CSTL Insider Trading

Insider Ownership Percentage: 7.30%
Insider Buying (Last 12 Months): $49,746.20
Insider Selling (Last 12 Months): $2,130,892.90

Castle Biosciences Insider Trading History Chart

This chart shows the insider buying and selling history at Castle Biosciences by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Castle Biosciences Share Price & Price History

Current Price: $22.16
Price Change: Price Increase of +0.6 (2.78%)
As of 03/23/2023 01:00 AM ET

This chart shows the closing price history over time for CSTL up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Castle Biosciences Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
3/6/2023Derek J MaetzoldInsiderSell2,792$24.71$68,990.32163,149View SEC Filing Icon  
3/2/2023Daniel BradburyDirectorSell11,349$23.30$264,431.7090,510View SEC Filing Icon  
1/3/2023Daniel BradburyDirectorSell7,704$22.89$176,344.56199,539View SEC Filing Icon  
1/3/2023Derek J MaetzoldInsiderSell3,833$22.90$87,775.70301,529View SEC Filing Icon  
12/19/2022Derek J MaetzoldInsiderSell3,833$23.07$88,427.31305,362View SEC Filing Icon  
12/5/2022Derek J MaetzoldInsiderSell3,833$24.79$95,020.07294,723View SEC Filing Icon  
11/29/2022Tiffany OlsonDirectorBuy1,162$21.50$24,983.002,968View SEC Filing Icon  
11/21/2022Derek J MaetzoldInsiderSell2,869$20.84$59,789.96289,520View SEC Filing Icon  
10/24/2022Derek J MaetzoldInsiderSell3,483$20.41$71,088.03296,572View SEC Filing Icon  
10/11/2022Derek J MaetzoldInsiderSell560$24.05$13,468.0027,342View SEC Filing Icon  
10/4/2022Derek J MaetzoldInsiderSell541$30.03$16,246.23303,889View SEC Filing Icon  
10/3/2022Daniel BradburyDirectorSell7,704$27.17$209,317.68222,651View SEC Filing Icon  
9/26/2022Derek J MaetzoldInsiderSell2,188$23.93$52,358.84306,075View SEC Filing Icon  
9/12/2022Derek J MaetzoldInsiderSell2,994$29.56$88,502.64309,120View SEC Filing Icon  
8/29/2022Derek J MaetzoldInsiderSell4,118$29.56$121,728.08312,414View SEC Filing Icon  
8/16/2022Derek J MaetzoldInsiderSell36$32.83$1,181.8828,958View SEC Filing Icon  
8/3/2022Derek J MaetzoldInsiderSell42$30.03$1,261.26328,661View SEC Filing Icon  
8/1/2022Daniel BradburyDirectorSell7,704$27.47$211,628.88238,059View SEC Filing Icon  
8/1/2022Derek J MaetzoldInsiderSell3,723$27.44$102,159.12328,814View SEC Filing Icon  
5/12/2022Tiffany OlsonDirectorBuy1,320$18.76$24,763.201,806View SEC Filing Icon  
3/29/2022Daniel BradburyDirectorSell8,852$45.32$401,172.64View SEC Filing Icon  
3/14/2022Daniel BradburyDirectorSell8,852$38.21$338,234.92View SEC Filing Icon  
2/22/2022Daniel BradburyDirectorSell8,852$39.02$345,405.04View SEC Filing Icon  
2/9/2022Daniel BradburyDirectorSell8,852$46.53$411,883.56View SEC Filing Icon  
1/24/2022Daniel BradburyDirectorSell14,631$35.42$518,230.02View SEC Filing Icon  
1/20/2022Daniel BradburyDirectorSell15,604$35.26$550,197.04View SEC Filing Icon  
1/18/2022Daniel BradburyDirectorSell2,470$35.30$87,191.00View SEC Filing Icon  
1/4/2022Daniel BradburyDirectorSell16,353$43.58$712,663.74View SEC Filing Icon  
11/9/2021Derek J MaetzoldInsiderSell2,500$56.66$141,650.00View SEC Filing Icon  
11/8/2021Daniel BradburyDirectorSell5,554$61.21$339,960.34View SEC Filing Icon  
11/4/2021Daniel BradburyDirectorSell4,446$61.05$271,428.30View SEC Filing Icon  
10/21/2021Daniel BradburyDirectorSell5,000$62.94$314,700.00View SEC Filing Icon  
10/21/2021Derek J MaetzoldInsiderSell2,500$62.95$157,375.00View SEC Filing Icon  
10/19/2021Derek J MaetzoldInsiderSell2,500$67.27$168,175.00View SEC Filing Icon  
10/6/2021Derek J MaetzoldInsiderSell2,500$63.74$159,350.00View SEC Filing Icon  
10/4/2021Daniel BradburyDirectorSell5,000$60.93$304,650.00View SEC Filing Icon  
10/4/2021Derek J MaetzoldInsiderSell2,500$60.85$152,125.00View SEC Filing Icon  
9/30/2021Derek J MaetzoldInsiderSell10,000$65.92$659,200.00View SEC Filing Icon  
9/28/2021Derek J MaetzoldInsiderSell2,500$66.88$167,200.00View SEC Filing Icon  
9/27/2021Kristen M. OelschlagerCOOSell10,000$71.02$710,200.00View SEC Filing Icon  
9/21/2021Daniel BradburyDirectorSell5,000$73.95$369,750.00View SEC Filing Icon  
9/14/2021Derek J. MaetzoldInsiderSell3,333$74.38$247,908.54345,018View SEC Filing Icon  
9/2/2021Bernhard E. SpiessInsiderSell15,401$75.78$1,167,087.78View SEC Filing Icon  
8/31/2021Derek J. MaetzoldInsiderSell10,000$75.70$757,000.00355,124View SEC Filing Icon  
8/17/2021Daniel BradburyDirectorSell644$60.02$38,652.88View SEC Filing Icon  
8/17/2021Derek J MaetzoldInsiderSell5,510$59.01$325,145.10View SEC Filing Icon  
8/3/2021Daniel BradburyDirectorSell5,000$69.62$348,100.00View SEC Filing Icon  
8/3/2021Derek J MaetzoldInsiderSell4,020$70.35$282,807.00View SEC Filing Icon  
7/26/2021Daniel BradburyDirectorSell5,000$66.78$333,900.00View SEC Filing Icon  
7/21/2021Derek J MaetzoldInsiderSell10,000$68.06$680,600.00413,893View SEC Filing Icon  
7/21/2021Derek J MaetzoldInsiderSell10,000$68.06$680,600.00View SEC Filing Icon  
7/19/2021Derek J MaetzoldInsiderSell10,000$64.62$646,200.00View SEC Filing Icon  
7/9/2021Derek J MaetzoldInsiderSell10,000$72.56$725,600.00View SEC Filing Icon  
7/8/2021Daniel BradburyDirectorSell5,000$69.56$347,800.00View SEC Filing Icon  
7/7/2021Derek J MaetzoldInsiderSell10,000$70.04$700,400.00View SEC Filing Icon  
6/24/2021Derek J MaetzoldInsiderSell10,000$74.93$749,300.00468,118View SEC Filing Icon  
6/22/2021Derek J. MaetzoldInsiderSell10,000$74.56$745,600.00491,005View SEC Filing Icon  
6/17/2021David S. KabakoffDirectorSell30,000$75.07$2,252,100.00View SEC Filing Icon  
6/17/2021Tobin W JuvenalInsiderSell10,000$75.40$754,000.008,090View SEC Filing Icon  
6/16/2021Frank StokesCFOSell2,127$73.07$155,419.89View SEC Filing Icon  
6/8/2021Derek J MaetzoldInsiderSell10,000$70.18$701,800.00523,904View SEC Filing Icon  
5/27/2021Derek J MaetzoldInsiderSell4,034$58.73$236,916.82540,489View SEC Filing Icon  
5/25/2021Derek J MaetzoldInsiderSell8,599$60.50$520,239.50546,020View SEC Filing Icon  
5/20/2021Derek J MaetzoldInsiderSell1,300$60.47$78,611.00554,619View SEC Filing Icon  
5/13/2021Derek J MaetzoldInsiderSell3,333$50.71$169,016.43558,466View SEC Filing Icon  
4/28/2021Derek J MaetzoldInsiderSell14,374$68.48$984,331.52576,626View SEC Filing Icon  
4/26/2021Derek J. MaetzoldInsiderSell14,374$69.17$994,249.58602,541View SEC Filing Icon  
4/22/2021Daniel BradburyDirectorSell15,000$63.69$955,350.00
4/13/2021Derek J MaetzoldInsiderSell14,374$67.94$976,569.56649,001View SEC Filing Icon  
4/7/2021Daniel BradburyDirectorSell15,000$72.81$1,092,150.00View SEC Filing Icon  
4/5/2021David S. KabakoffDirectorSell70,000$72.20$5,054,000.00View SEC Filing Icon  
3/31/2021David S. KabakoffDirectorSell30,000$67.76$2,032,800.00View SEC Filing Icon  
3/29/2021Derek J MaetzoldInsiderSell12,974$58.94$764,687.56690,410View SEC Filing Icon  
3/26/2021Derek J MaetzoldInsiderSell13,275$60.45$802,473.75690,410View SEC Filing Icon  
3/24/2021Daniel BradburyDirectorSell7,500$63.09$473,175.00View SEC Filing Icon  
3/22/2021David S. KabakoffDirectorSell10,000$67.12$671,200.00View SEC Filing Icon  
3/19/2021David S. KabakoffDirectorSell10,000$66.17$661,700.00View SEC Filing Icon  
3/16/2021David S. KabakoffDirectorSell120,000$63.74$7,648,800.00View SEC Filing Icon  
3/12/2021Derek J MaetzoldInsiderSell14,375$64.30$924,312.50705,397View SEC Filing Icon  
3/10/2021Derek J MaetzoldInsiderSell14,375$65.08$935,525.00735,325View SEC Filing Icon  
2/23/2021Daniel BradburyDirectorSell7,500$79.63$597,225.00View SEC Filing Icon  
2/10/2021Daniel BradburyDirectorSell15,000$95.35$1,430,250.00
2/9/2021Derek J MaetzoldInsiderSell28,750$95.21$2,737,287.50
1/27/2021Derek J MaetzoldInsiderSell14,377$66.08$950,032.16862,513View SEC Filing Icon  
1/25/2021Daniel BradburyDirectorSell7,500$76.94$577,050.00View SEC Filing Icon  
1/14/2021Derek J MaetzoldInsiderSell28,754$74.83$2,151,661.82910,618View SEC Filing Icon  
1/12/2021Daniel BradburyDirectorSell12,113$78.29$948,326.77View SEC Filing Icon  
1/12/2021Frank StokesCFOSell7,500$78.14$586,050.0011,386View SEC Filing Icon  
12/29/2020Daniel BradburyDirectorSell30,000$69.69$2,090,700.00View SEC Filing Icon  
12/29/2020Derek J MaetzoldInsiderSell15,000$66.45$996,750.001,282,631View SEC Filing Icon  
12/16/2020Derek J MaetzoldInsiderSell6,250$66.22$413,875.001,305,702View SEC Filing Icon  
12/10/2020Derek J MaetzoldInsiderSell15,000$58.93$883,950.001,335,302View SEC Filing Icon  
12/10/2020Joseph C Cook IIIDirectorSell78,265$58.35$4,566,762.75142,178View SEC Filing Icon  
12/8/2020Joseph C Cook IIIDirectorSell47,176$56.20$2,651,291.20142,178View SEC Filing Icon  
12/4/2020Derek J MaetzoldInsiderSell18,750$51.05$957,187.501,353,452View SEC Filing Icon  
12/2/2020Derek J MaetzoldInsiderSell6,250$50.08$313,000.001,353,452View SEC Filing Icon  
11/18/2020Derek J MaetzoldInsiderSell18,750$48.82$915,375.00
11/13/2020Frank StokesCFOSell26,000$50.87$1,322,620.00
11/5/2020Derek J MaetzoldInsiderSell18,750$49.63$930,562.501,408,748View SEC Filing Icon  
11/3/2020Derek J MaetzoldInsiderSell6,250$47.52$297,000.001,408,748View SEC Filing Icon  
10/28/2020Derek J MaetzoldInsiderSell1,200$49.54$59,448.001,412,248View SEC Filing Icon  
10/20/2020Daniel BradburyDirectorSell11,750$49.70$583,975.00View SEC Filing Icon  
10/20/2020Derek J MaetzoldInsiderSell1,000$49.65$49,650.001,414,448View SEC Filing Icon  
10/14/2020Joseph C Cook IIIDirectorSell6,475$54.58$353,405.50192,502View SEC Filing Icon  
10/13/2020Frank StokesCFOSell13,000$54.79$712,270.0014,886View SEC Filing Icon  
10/12/2020Joseph C Cook IIIDirectorSell19,676$54.84$1,079,031.84192,502View SEC Filing Icon  
10/9/2020David S. KabakoffDirectorSell50,000$54.20$2,710,000.00View SEC Filing Icon  
10/5/2020David S. KabakoffDirectorSell25,000$52.09$1,302,250.00View SEC Filing Icon  
10/2/2020Derek J MaetzoldInsiderSell18,640$51.64$962,569.60
10/2/2020Mara G AspinallDirectorSell2,500$52.48$131,200.00View SEC Filing Icon  
9/22/2020Derek J MaetzoldInsiderSell36,160$51.46$1,860,793.601,461,611View SEC Filing Icon  
9/16/2020Daniel BradburyDirectorSell3,750$48.38$181,425.00View SEC Filing Icon  
9/15/2020Frank StokesCFOSell26,000$49.52$1,287,520.00
9/10/2020Derek J MaetzoldInsiderSell41,924$49.49$2,074,818.761,516,833View SEC Filing Icon  
9/8/2020Bernhard E. SpiessInsiderSell14,888$49.00$729,512.0051,747View SEC Filing Icon  
9/8/2020Joseph C Cook IIIDirectorSell69,265$48.30$3,345,499.50212,178View SEC Filing Icon  
9/4/2020Bernhard E. SpiessInsiderSell25,112$47.41$1,190,559.92View SEC Filing Icon  
9/4/2020Joseph C Cook IIIDirectorSell61,838$46.93$2,902,057.34212,178View SEC Filing Icon  
9/2/2020Daniel BradburyDirectorSell7,500$45.66$342,450.00View SEC Filing Icon  
8/31/2020Joseph C Cook IIIDirectorSell8,228$45.84$377,171.52212,178View SEC Filing Icon  
8/28/2020Joseph C Cook IIIDirectorSell71,940$46.03$3,311,398.20
8/26/2020Joseph C Cook IIIDirectorSell5,049$45.85$231,496.65212,178View SEC Filing Icon  
8/24/2020Joseph C Cook IIIDirectorSell8,877$45.90$407,454.30212,178View SEC Filing Icon  
8/20/2020Joseph C Cook IIIDirectorSell17,369$45.84$796,194.96212,178View SEC Filing Icon  
8/18/2020Daniel BradburyDirectorSell3,750$43.18$161,925.00View SEC Filing Icon  
8/13/2020Derek J MaetzoldInsiderSell13,500$41.23$556,605.00
8/6/2020Daniel BradburyDirectorSell3,750$41.34$155,025.00View SEC Filing Icon  
8/5/2020Derek J MaetzoldInsiderSell5,000$41.67$208,350.001,572,348View SEC Filing Icon  
7/21/2020Daniel BradburyDirectorSell3,750$41.81$156,787.50View SEC Filing Icon  
7/21/2020Derek J MaetzoldInsiderSell7,000$41.97$293,790.001,587,718View SEC Filing Icon  
7/17/2020David S. KabakoffDirectorSell25,000$43.04$1,076,000.00View SEC Filing Icon  
7/15/2020Derek J MaetzoldInsiderSell28,000$41.96$1,174,880.001,604,223View SEC Filing Icon  
7/8/2020Daniel BradburyDirectorSell7,500$41.08$308,100.00View SEC Filing Icon  
6/24/2020Joseph C Cook IIIDirectorSell100$43.11$4,311.00212,178View SEC Filing Icon  
6/22/2020David S. KabakoffDirectorSell175,000$40.50$7,087,500.00212,178View SEC Filing Icon  
6/18/2020Joseph C Cook IIIDirectorSell73,944$41.71$3,084,204.24212,178View SEC Filing Icon  
6/15/2020Joseph C Cook IIIDirectorSell22,195$39.67$880,475.65212,178View SEC Filing Icon  
6/10/2020Joseph C Cook IIIDirectorSell2,108$39.00$82,212.00212,178View SEC Filing Icon  
6/3/2020Daniel BradburyDirectorSell3,750$37.01$138,787.50View SEC Filing Icon  
5/28/2020Joseph C Cook IIIDirectorSell15,520$38.66$600,003.20208,053View SEC Filing Icon  
5/27/2020Derek J MaetzoldInsiderSell5,000$36.75$183,750.001,625,348View SEC Filing Icon  
5/26/2020Joseph C Cook IIIDirectorSell23,820$38.69$921,595.80208,053View SEC Filing Icon  
5/22/2020Derek J MaetzoldInsiderSell5,000$36.97$184,850.001,628,359View SEC Filing Icon  
5/21/2020Daniel BradburyDirectorSell3,750$37.21$139,537.50208,053View SEC Filing Icon  
5/19/2020Joseph C Cook IIIDirectorSell900$37.03$33,327.00208,053View SEC Filing Icon  
5/12/2020Sofinnova Healthquest PartnersMajor ShareholderSell250,000$34.50$8,625,000.00View SEC Filing Icon  
4/30/2020Bonnie H AndersonDirectorSell3,000$30.25$90,750.00View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Castle Biosciences (NASDAQ:CSTL)

82.43% of Castle Biosciences stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at CSTL by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Castle Biosciences Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
3/24/2023Palisade Capital Management LP551,095$12.97M0.3%-5.0%2.073%Search for SEC Filing on Google Icon
2/28/2023Voya Investment Management LLC104,643$2.46M0.0%+60.9%0.397%Search for SEC Filing on Google Icon
2/15/2023Public Employees Retirement System of Ohio66,705$1.57M0.0%-15.3%0.253%Search for SEC Filing on Google Icon
2/15/2023Capital Impact Advisors LLC15,452$0.36M0.4%+6.9%0.059%Search for SEC Filing on Google Icon
2/15/2023Lazard Asset Management LLC2,183$51K0.0%-46.7%0.008%Search for SEC Filing on Google Icon
2/15/2023Susquehanna Fundamental Investments LLC8,547$0.20M0.0%N/A0.032%Search for SEC Filing on Google Icon
2/15/2023Schonfeld Strategic Advisors LLC57,459$1.35M0.0%-65.5%0.218%Search for SEC Filing on Google Icon
2/15/2023Squarepoint Ops LLC13,698$0.32M0.0%-75.1%0.052%Search for SEC Filing on Google Icon
2/15/2023Stonepine Capital Management LLC178,240$4.20M1.8%N/A0.676%Search for SEC Filing on Google Icon
2/15/2023Millennium Management LLC913,375$21.50M0.0%-9.8%3.466%Search for SEC Filing on Google Icon
2/15/2023Morgan Stanley58,318$1.37M0.0%-70.2%0.221%Search for SEC Filing on Google Icon
2/15/2023Norges Bank131,200$3.09M0.0%N/A0.498%Search for SEC Filing on Google Icon
2/15/2023First Light Asset Management LLC161,604$3.80M0.4%-1.0%0.613%Search for SEC Filing on Google Icon
2/15/2023Algert Global LLC68,852$1.62M0.1%+37.9%0.261%Search for SEC Filing on Google Icon
2/14/2023Point72 Asset Management L.P.201,381$4.74M0.0%N/A0.764%Search for SEC Filing on Google Icon
2/14/2023Price T Rowe Associates Inc. MD14,981$0.35M0.0%-9.7%0.057%Search for SEC Filing on Google Icon
2/14/2023Putnam Investments LLC8,717$0.21M0.0%N/A0.033%Search for SEC Filing on Google Icon
2/14/2023Two Sigma Investments LP53,945$1.27M0.0%-55.6%0.205%Search for SEC Filing on Google Icon
2/14/2023Granahan Investment Management LLC1,044,328$24.58M0.8%+37.0%3.963%Search for SEC Filing on Google Icon
2/14/2023Palisade Capital Management LLC NJ551,095$12.97M0.3%-5.0%2.091%Search for SEC Filing on Google Icon
2/14/2023Engineers Gate Manager LP39,529$0.93M0.1%+314.5%0.150%Search for SEC Filing on Google Icon
2/14/2023Townsquare Capital LLC12,160$0.29M0.0%N/A0.046%Search for SEC Filing on Google Icon
2/14/2023Portolan Capital Management LLC583,716$13.74M1.4%+94.2%2.215%Search for SEC Filing on Google Icon
2/13/2023First Republic Investment Management Inc.10,139$0.24M0.0%-13.8%0.038%Search for SEC Filing on Google Icon
2/13/2023Charles Schwab Investment Management Inc.184,536$4.34M0.0%+3.9%0.700%Search for SEC Filing on Google Icon
2/13/2023Advisors Capital Management LLC31,211$0.74M0.0%+16.0%0.118%Search for SEC Filing on Google Icon
2/13/2023Wells Fargo & Company MN24,081$0.57M0.0%+487.1%0.091%Search for SEC Filing on Google Icon
2/13/2023Barclays PLC6,588$0.16M0.0%-73.9%0.025%Search for SEC Filing on Google Icon
2/13/2023Renaissance Technologies LLC22,100$0.52M0.0%+30.0%0.084%Search for SEC Filing on Google Icon
2/13/2023Credit Suisse AG23,172$0.55M0.0%+45.4%0.088%Search for SEC Filing on Google Icon
2/13/2023Geode Capital Management LLC465,667$10.96M0.0%+4.5%1.767%Search for SEC Filing on Google Icon
2/13/2023GSA Capital Partners LLP26,896$0.63M0.1%-58.8%0.102%Search for SEC Filing on Google Icon
2/13/2023JPMorgan Chase & Co.35,398$0.83M0.0%+7.4%0.134%Search for SEC Filing on Google Icon
2/10/2023Bank of America Corp DE48,957$1.15M0.0%-60.9%0.186%Search for SEC Filing on Google Icon
2/10/2023Assetmark Inc.1,500$35K0.0%+215.8%0.006%Search for SEC Filing on Google Icon
2/10/2023GW&K Investment Management LLC479,659$11.29M0.1%-4.8%1.820%Search for SEC Filing on Google Icon
2/10/2023Connor Clark & Lunn Investment Management Ltd.28,144$0.66M0.0%+21.9%0.107%Search for SEC Filing on Google Icon
2/10/2023Isthmus Partners LLC57,812$1.36M0.2%+2.1%0.219%Search for SEC Filing on Google Icon
2/10/2023PNC Financial Services Group Inc.2,750$65K0.0%-26.4%0.010%Search for SEC Filing on Google Icon
2/10/2023Ten Capital Wealth Advisors LLC1,376$32K0.0%N/A0.005%Search for SEC Filing on Google Icon
2/9/2023Dimensional Fund Advisors LP323,686$7.62M0.0%+35.7%1.228%Search for SEC Filing on Google Icon
2/9/2023Principal Financial Group Inc.910,820$21.44M0.0%+109.0%3.457%Search for SEC Filing on Google Icon
2/9/2023Premier Fund Managers Ltd38,502$0.89M0.0%-26.4%0.146%Search for SEC Filing on Google Icon
2/9/2023Citigroup Inc.3,472$82K0.0%-96.0%0.013%Search for SEC Filing on Google Icon
2/8/2023UBS Group AG10,485$0.25M0.0%+47.0%0.040%Search for SEC Filing on Google Icon
2/8/2023Premier Fund Managers Ltd13,300$0.97M0.0%-74.6%0.050%Search for SEC Filing on Google Icon
2/8/2023Pictet & Cie Europe SA12,618$0.30M0.0%-20.9%0.048%Search for SEC Filing on Google Icon
2/8/2023Cambridge Investment Research Advisors Inc.12,501$0.29M0.0%-3.9%0.047%Search for SEC Filing on Google Icon
2/8/2023Swiss National Bank53,900$1.27M0.0%+1.9%0.205%Search for SEC Filing on Google Icon
2/7/2023State Board of Administration of Florida Retirement System10,954$0.26M0.0%-33.5%0.042%Search for SEC Filing on Google Icon
2/6/2023Brinker Capital Investments LLC32,824$0.77M0.0%-10.0%0.125%Search for SEC Filing on Google Icon
2/6/2023Banque Pictet & Cie SA204,417$4.81M0.1%-17.5%0.776%Search for SEC Filing on Google Icon
2/3/2023Essex Investment Management Co. LLC453,317$10.67M1.7%+3.8%1.720%Search for SEC Filing on Google Icon
2/2/2023Kornitzer Capital Management Inc. KS716,244$16.86M0.3%+14.7%2.718%Search for SEC Filing on Google Icon
2/2/2023Monarch Partners Asset Management LLC170,195$4.01M1.2%-9.8%0.646%Search for SEC Filing on Google Icon
2/1/2023Legato Capital Management LLC18,496$0.44M0.1%N/A0.070%Search for SEC Filing on Google Icon
1/30/2023New York State Common Retirement Fund214,478$5.05M0.0%+4.5%0.814%Search for SEC Filing on Google Icon
1/30/2023Versor Investments LP11,275$0.27M0.0%+25.0%0.043%Search for SEC Filing on Google Icon
1/25/2023Stephens Inc. AR53,632$1.26M0.0%+19.8%0.204%Search for SEC Filing on Google Icon
1/23/2023Allspring Global Investments Holdings LLC352,830$8.31M0.0%+0.2%1.339%Search for SEC Filing on Google Icon
12/8/2022Bank of New York Mellon Corp81,018$2.11M0.0%+13.7%0.307%Search for SEC Filing on Google Icon
11/22/2022Capital Impact Advisors LLC14,455$0.29M0.3%+3.5%0.055%Search for SEC Filing on Google Icon
11/16/2022Advisors Capital Management LLC26,895$0.61M0.0%+6.7%0.102%Search for SEC Filing on Google Icon
11/16/2022Baird Financial Group Inc.12,349$0.32M0.0%-10.2%0.047%Search for SEC Filing on Google Icon
11/15/2022Alliancebernstein L.P.22,500$0.59M0.0%-48.5%0.085%Search for SEC Filing on Google Icon
11/15/2022State Street Corp497,925$12.99M0.0%-1.3%1.890%Search for SEC Filing on Google Icon
11/15/2022Public Employees Retirement System of Ohio78,775$2.05M0.0%-10.7%0.299%Search for SEC Filing on Google Icon
11/15/2022Algert Global LLC49,932$1.30M0.1%N/A0.189%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Advisers LP153,400$4M0.0%-1.2%0.582%Search for SEC Filing on Google Icon
11/15/2022Two Sigma Investments LP121,548$3.17M0.0%-18.7%0.461%Search for SEC Filing on Google Icon
11/15/2022Trexquant Investment LP31,616$0.83M0.0%N/A0.120%Search for SEC Filing on Google Icon
11/15/2022UBS Asset Management Americas Inc.146,346$3.82M0.0%-6.9%0.555%Search for SEC Filing on Google Icon
11/15/2022Vanguard Group Inc.1,250,733$32.62M0.0%+3.3%4.746%Search for SEC Filing on Google Icon
11/15/2022Palisade Capital Management LLC NJ579,944$15.13M0.4%+0.2%2.201%Search for SEC Filing on Google Icon
11/15/2022Price T Rowe Associates Inc. MD16,596$0.43M0.0%+21.7%0.063%Search for SEC Filing on Google Icon
11/15/2022Portolan Capital Management LLC300,590$7.84M0.8%+94.0%1.141%Search for SEC Filing on Google Icon
11/15/2022Essex Investment Management Co. LLC436,635$11.39M1.8%+4.5%1.657%Search for SEC Filing on Google Icon
11/15/2022Engineers Gate Manager LP9,537$0.25M0.0%-91.2%0.036%Search for SEC Filing on Google Icon
11/15/2022Ensign Peak Advisors Inc3,090$81K0.0%+247.2%0.012%Search for SEC Filing on Google Icon
11/15/2022First Light Asset Management LLC163,224$4.26M0.4%N/A0.619%Search for SEC Filing on Google Icon
11/15/2022Bank of New York Mellon Corp81,018$2.11M0.0%+13.7%0.307%Search for SEC Filing on Google Icon
11/15/2022Bellevue Group AG941,871$24.56M0.4%+0.1%3.574%Search for SEC Filing on Google Icon
11/15/2022BlackRock Inc.2,041,824$53.25M0.0%+0.9%7.749%Search for SEC Filing on Google Icon
11/14/2022Macquarie Group Ltd.850$35K0.0%-35.9%0.003%Search for SEC Filing on Google Icon
11/14/2022Segall Bryant & Hamill LLC202,344$5.28M0.1%+2.0%0.768%Search for SEC Filing on Google Icon
11/14/2022Royal Bank of Canada3,107$81K0.0%-40.2%0.012%Search for SEC Filing on Google Icon
11/14/2022RTW Investments LP516,995$13.48M0.3%-43.4%1.962%Search for SEC Filing on Google Icon
11/14/2022Tudor Investment Corp Et Al14,238$0.37M0.0%N/A0.054%Search for SEC Filing on Google Icon
11/14/2022Point72 Hong Kong Ltd1,168$30K0.0%+827.0%0.004%Search for SEC Filing on Google Icon
11/14/2022Cubist Systematic Strategies LLC53,593$1.40M0.0%-60.9%0.203%Search for SEC Filing on Google Icon
11/14/2022Lazard Asset Management LLC4,093$0.11M0.0%+25.1%0.016%Search for SEC Filing on Google Icon
11/14/2022Nuveen Asset Management LLC110,675$2.89M0.0%-1.8%0.420%Search for SEC Filing on Google Icon
11/14/2022Altium Capital Management LP60,000$1.57M0.6%N/A0.228%Search for SEC Filing on Google Icon
11/10/2022Connor Clark & Lunn Investment Management Ltd.23,091$0.60M0.0%+18.6%0.088%Search for SEC Filing on Google Icon
11/10/2022Knights of Columbus Asset Advisors LLC26,064$0.68M0.1%+14.0%0.099%Search for SEC Filing on Google Icon
11/10/2022Dimensional Fund Advisors LP238,488$6.22M0.0%+24.2%0.905%Search for SEC Filing on Google Icon
11/10/2022Tower Research Capital LLC TRC 1,821$47K0.0%+61.2%0.007%Search for SEC Filing on Google Icon
11/10/2022UBS Group AG7,131$0.19M0.0%-56.0%0.027%Search for SEC Filing on Google Icon
11/9/2022First Horizon Advisors Inc.7,228$0.19M0.0%+1,223.8%0.027%Search for SEC Filing on Google Icon
11/8/2022State Board of Administration of Florida Retirement System16,464$0.43M0.0%-21.8%0.062%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Castle Biosciences logo
Castle Biosciences, Inc. is a commercial-stage dermatological cancer company, which engages in the provision of genomic information for physicians and patients. The firm offers DecisionDx-Melanoma, a proprietary multi-gene expression profile (GEP) test that predicts the risk of metastasis and recurrence for patients diagnosed with invasive cutaneous melanoma. It also markets DecisionDx-UM, Decision Dx DiffDx-Melanoma, DecisonDx-CMSeq, DecisionDx-SCC, DecsionDx-UMSeq, and DecisonDX-PRAME. The company was founded by Derek J. Maetzold in September 2007 and is headquartered in Friendswood, TX.
Read More on Castle Biosciences

Today's Range

Now: $22.16
Low: $21.61
High: $22.64

50 Day Range

MA: $24.84
Low: $19.47
High: $28.49

52 Week Range

Now: $22.16
Low: $15.58
High: $47.27


135,290 shs

Average Volume

199,634 shs

Market Capitalization

$589.01 million

P/E Ratio


Dividend Yield




Who are the company insiders with the largest holdings of Castle Biosciences?

Castle Biosciences' top insider shareholders include:
  1. Derek J Maetzold (Insider)
  2. Derek J Maetzold (Insider)
  3. Daniel Bradbury (Director)
  4. Tobin W Juvenal (Insider)
  5. Tiffany Olson (Director)
  6. Adam Jay Sussman (Director)
  7. Bernhard E Spiess (Insider)
  8. David S Kabakoff (Director)
  9. Frank Stokes (CFO)
  10. Jeffrey E Eberwein (CEO)
  11. Kristen M Oelschlager (COO)
Learn More about top insider investors at Castle Biosciences.

Who are the major institutional investors of Castle Biosciences?

Castle Biosciences' top institutional shareholders include:
  1. Granahan Investment Management LLC — 3.96%
  2. Millennium Management LLC — 3.47%
  3. Principal Financial Group Inc. — 3.46%
  4. Kornitzer Capital Management Inc. KS — 2.72%
  5. Portolan Capital Management LLC — 2.22%
  6. Palisade Capital Management LLC NJ — 2.09%
Learn More about top institutional investors of Castle Biosciences stock.

Which major investors are selling Castle Biosciences stock?

During the last quarter, CSTL stock was sold by these institutional investors:
  1. Morgan Stanley
  2. Schonfeld Strategic Advisors LLC
  3. Millennium Management LLC
  4. Citigroup Inc.
  5. Bank of America Corp DE
  6. Two Sigma Investments LP
  7. Banque Pictet & Cie SA
  8. Squarepoint Ops LLC
During the previous year, company insiders that have sold Castle Biosciences company stock include:
  1. Derek J Maetzold (Insider)
  2. Derek J Maetzold (Insider)
Learn More investors selling Castle Biosciences stock.

Which major investors are buying Castle Biosciences stock?

During the last quarter, CSTL stock was purchased by institutional investors including:
  1. Principal Financial Group Inc.
  2. Portolan Capital Management LLC
  3. Granahan Investment Management LLC
  4. Point72 Asset Management L.P.
  5. Stonepine Capital Management LLC
  6. Norges Bank
  7. Kornitzer Capital Management Inc. KS
  8. Dimensional Fund Advisors LP
In the previous year, these company insiders have bought Castle Biosciences stock:
  1. Derek J Maetzold (Insider)
  2. Derek J Maetzold (Insider)
Learn More investors buying Castle Biosciences stock.