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MGNI Insider Trading

Insider Ownership Percentage: 3.80%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $34,974,468.59

Magnite Insider Trading History Chart

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

Skip ChartChart Data in Insider Trading History Table

Magnite Share Price & Price History

Current Price: $14.38
Price Change: +0.30 (1.20%)
As of 12/4/2025 05:00 PM ET

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

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

Magnite Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
11/21/2025Robert F SpillaneDirectorSell12,500$14.22$177,750.0053,917View SEC Filing Icon  
11/18/2025Adam Lee SorocaInsiderSell10,857$13.23$143,638.11326,114View SEC Filing Icon  
11/18/2025Sean Patrick BuckleyInsiderSell4,426$13.36$59,131.36271,125View SEC Filing Icon  
10/24/2025Paul CaineDirectorSell5,000$20.00$100,000.00153,603View SEC Filing Icon  
9/19/2025Aaron SaltzInsiderSell8,522$24.50$208,789.00215,079View SEC Filing Icon  
9/19/2025Paul CaineDirectorSell7,500$25.00$187,500.00158,603View SEC Filing Icon  
9/15/2025Aaron SaltzInsiderSell6,180$23.94$147,949.20223,601View SEC Filing Icon  
9/10/2025Paul CaineDirectorSell5,000$23.60$118,000.00166,103View SEC Filing Icon  
9/8/2025Sean Patrick BuckleyInsiderSell20,000$25.56$511,200.00307,193View SEC Filing Icon  
9/4/2025Brian GephartCAOSell27,671$24.71$683,750.4192,898View SEC Filing Icon  
9/3/2025David BuonaseraCTOSell2,950$25.37$74,841.50238,629View SEC Filing Icon  
9/2/2025Adam Lee SorocaInsiderSell24,986$24.69$616,904.34346,393View SEC Filing Icon  
8/29/2025Aaron SaltzInsiderSell12,403$26.07$323,346.21229,781View SEC Filing Icon  
8/27/2025Katie Seitz EvansInsiderSell21,509$25.52$548,909.68394,089View SEC Filing Icon  
8/26/2025Diane YuDirectorSell20,000$25.23$504,600.0067,481View SEC Filing Icon  
8/25/2025Katie Seitz EvansInsiderSell8,345$26.00$216,970.00415,598View SEC Filing Icon  
8/25/2025Paul CaineDirectorSell7,500$25.00$187,500.00171,103View SEC Filing Icon  
8/19/2025Adam Lee SorocaInsiderSell10,579$23.47$248,289.13346,393View SEC Filing Icon  
8/19/2025Sean Patrick BuckleyInsiderSell9,315$23.42$218,157.30327,193View SEC Filing Icon  
8/18/2025Aaron SaltzInsiderSell5,770$23.85$137,614.50242,184View SEC Filing Icon  
8/18/2025Adam Lee SorocaInsiderSell9,700$23.85$231,345.00356,972View SEC Filing Icon  
8/18/2025Brian GephartCAOSell2,961$23.85$70,619.85120,569View SEC Filing Icon  
8/18/2025David BuonaseraCTOSell7,834$23.85$186,840.90241,579View SEC Filing Icon  
8/18/2025David DayCFOSell13,366$23.85$318,779.10382,106View SEC Filing Icon  
8/18/2025Katie Seitz EvansInsiderSell10,487$23.85$250,114.95423,943View SEC Filing Icon  
8/18/2025Michael G BarrettCEOSell35,951$23.85$857,431.35249,857View SEC Filing Icon  
8/18/2025Sean Patrick BuckleyInsiderSell10,886$23.85$259,631.10336,508View SEC Filing Icon  
8/14/2025Aaron SaltzInsiderSell13,860$23.34$323,492.40247,954View SEC Filing Icon  
8/12/2025Rachel LamDirectorSell15,000$22.25$333,750.00226,822View SEC Filing Icon  
8/11/2025Paul CaineDirectorSell5,000$22.29$111,450.00178,603View SEC Filing Icon  
7/15/2025Michael G BarrettCEOSell70,900$23.27$1,649,843.00285,808View SEC Filing Icon  
7/10/2025Paul CaineDirectorSell5,000$23.53$117,650.00183,603View SEC Filing Icon  
7/3/2025Adam Lee SorocaInsiderSell42,584$25.00$1,064,600.00366,672View SEC Filing Icon  
6/26/2025David DayCFOSell36,000$20.95$754,200.00443,528View SEC Filing Icon  
6/24/2025Adam Lee SorocaInsiderSell44,519$20.00$890,380.00400,927View SEC Filing Icon  
6/24/2025David DayCFOSell35,000$19.95$698,250.00443,528View SEC Filing Icon  
6/24/2025Michael G BarrettCEOSell300,000$20.01$6,003,000.00356,708View SEC Filing Icon  
6/24/2025Paul CaineDirectorSell5,000$20.00$100,000.00188,603View SEC Filing Icon  
6/18/2025David DayCFOSell38,146$18.95$722,866.70443,528View SEC Filing Icon  
6/18/2025James RossmanDirectorSell137,007$18.78$2,572,991.4693,679View SEC Filing Icon  
6/18/2025Michael G BarrettCEOSell30,000$19.00$570,000.00656,708View SEC Filing Icon  
6/16/2025Aaron SaltzInsiderSell16,788$17.50$293,790.00279,388View SEC Filing Icon  
6/16/2025Katie Seitz EvansInsiderSell20,000$18.50$370,000.00442,788View SEC Filing Icon  
6/16/2025Michael G BarrettCEOSell45,000$17.76$799,200.00686,708View SEC Filing Icon  
6/10/2025Robert F SpillaneDirectorSell15,000$17.57$263,550.0066,417View SEC Filing Icon  
6/6/2025Adam Lee SorocaInsiderSell8,328$17.70$147,405.60437,117View SEC Filing Icon  
6/6/2025David T. PearsonDirectorSell11,512$17.60$202,611.2075,969View SEC Filing Icon  
6/5/2025Katie Seitz EvansInsiderSell35,000$17.36$607,600.00442,788View SEC Filing Icon  
6/4/2025Aaron SaltzInsiderSell15,328$16.71$256,130.88296,176View SEC Filing Icon  
5/27/2025David BuonaseraCTOSell8,742$16.00$139,872.00258,702View SEC Filing Icon  
5/23/2025David BuonaseraCTOSell3,653$15.03$54,904.59267,444View SEC Filing Icon  
5/20/2025Adam Lee SorocaInsiderSell8,328$17.00$141,576.00437,117View SEC Filing Icon  
5/16/2025Adam Lee SorocaInsiderSell11,366$15.73$178,787.18437,117View SEC Filing Icon  
5/16/2025Sean Patrick BuckleyInsiderSell9,692$15.73$152,455.16347,394View SEC Filing Icon  
5/12/2025Brian GephartCAOSell6,334$16.16$102,357.44126,575View SEC Filing Icon  
3/3/2025Adam Lee SorocaInsiderSell15,499$15.75$244,109.25458,386View SEC Filing Icon  
3/3/2025Brian GephartCAOSell6,250$16.00$100,000.00132,909View SEC Filing Icon  
2/19/2025Sean Patrick BuckleyInsiderSell10,527$19.13$201,381.51370,558View SEC Filing Icon  
2/10/2025Paul CaineDirectorSell5,000$20.35$101,750.00182,837View SEC Filing Icon  
2/7/2025David DayCFOSell39,000$20.00$780,000.00488,506View SEC Filing Icon  
2/7/2025James RossmanDirectorSell149,936$19.46$2,917,754.56219,920View SEC Filing Icon  
2/7/2025Sean Patrick BuckleyInsiderSell18,693$20.00$373,860.00408,529View SEC Filing Icon  
1/3/2025David DayCFOSell13,345$17.00$226,865.00374,014View SEC Filing Icon  
12/16/2024David DayCFOSell11,644$16.44$191,427.36400,859View SEC Filing Icon  
12/13/2024David BuonaseraCTOSell1,969$16.31$32,114.39223,795View SEC Filing Icon  
12/4/2024Michael G BarrettCEOSell147,996$17.52$2,592,889.92634,914View SEC Filing Icon  
11/27/2024David BuonaseraCTOSell431$16.78$7,232.18225,764View SEC Filing Icon  
11/25/2024Aaron SaltzInsiderSell6,110$17.50$106,925.00297,482View SEC Filing Icon  
11/25/2024Michael G BarrettCEOSell27,004$17.63$476,080.52782,910View SEC Filing Icon  
11/22/2024Adam Lee SorocaInsiderSell8,328$17.00$141,576.00421,347View SEC Filing Icon  
11/22/2024David BuonaseraCTOSell9,219$17.00$156,723.00226,195View SEC Filing Icon  
11/20/2024Robert F SpillaneDirectorSell12,500$16.12$201,500.0070,651View SEC Filing Icon  
11/18/2024Adam Lee SorocaInsiderSell7,849$15.60$122,444.40421,347View SEC Filing Icon  
11/18/2024Brian GephartCAOSell2,156$15.60$33,633.60112,795View SEC Filing Icon  
11/18/2024David BuonaseraCTOSell277$15.77$4,368.29235,414View SEC Filing Icon  
11/18/2024Sean Patrick BuckleyCROSell10,001$15.60$156,015.60303,743View SEC Filing Icon  
11/15/2024Michael G BarrettCEOSell100,000$16.14$1,614,000.00809,914View SEC Filing Icon  
11/11/2024Brian GephartCAOSell2,156$15.00$32,340.00116,982View SEC Filing Icon  
11/7/2024Aaron SaltzInsiderSell5,112$13.50$69,012.00307,745View SEC Filing Icon  
8/19/2024Adam Lee SorocaInsiderSell7,910$12.59$99,586.90436,001View SEC Filing Icon  
8/19/2024Sean Patrick BuckleyCROSell2,623$12.53$32,866.19331,742View SEC Filing Icon  
8/15/2024David BuonaseraCTOSell10,000$12.65$126,500.00258,102View SEC Filing Icon  
8/15/2024Michael G BarrettCEOSell75,000$12.63$947,250.00944,552View SEC Filing Icon  
7/15/2024Brian GephartCAOSell16,166$15.00$242,490.00121,169View SEC Filing Icon  
7/15/2024David DayCFOSell19,077$15.00$286,155.00430,755View SEC Filing Icon  
7/15/2024Michael G BarrettCEOSell100,000$15.00$1,500,000.001,052,493View SEC Filing Icon  
7/15/2024Sean Patrick BuckleyCROSell19,607$14.50$284,301.50363,615View SEC Filing Icon  
6/14/2024Aaron SaltzInsiderSell4,778$13.65$65,219.70317,010View SEC Filing Icon  
6/13/2024Katie Seitz EvansCOOSell14,541$13.77$200,229.57408,960View SEC Filing Icon  
6/12/2024David DayCFOSell21,299$14.01$298,398.99449,832View SEC Filing Icon  
6/11/2024Robert F SpillaneDirectorSell25,000$13.04$326,000.0069,090View SEC Filing Icon  
6/3/2024David DayCFOSell20,732$13.00$269,516.00471,131View SEC Filing Icon  
5/24/2024Sean Patrick BuckleyCROSell2,682$12.50$33,525.00404,875View SEC Filing Icon  
5/17/2024Adam Lee SorocaInsiderSell10,597$12.30$130,343.10450,655View SEC Filing Icon  
3/15/2024Michael G BarrettCEOSell75,000$11.21$840,750.001,234,662View SEC Filing Icon  
9/6/2023David BuonaseraCTOSell5,444$8.58$46,709.52207,246View SEC Filing Icon  
8/22/2023Robert F SpillaneDirectorSell25,000$8.05$201,250.0094,090View SEC Filing Icon  
8/22/2023Robert F SpillaneDirectorSell25,000$8.05$201,250.0094,090View SEC Filing Icon  
7/11/2023David DayCFOSell9,584$15.00$143,760.00424,944View SEC Filing Icon  
7/11/2023Katie Seitz EvansCOOSell17,774$15.00$266,610.00356,071View SEC Filing Icon  
7/11/2023Michael G BarrettCEOSell25,000$15.02$375,500.001,405,072View SEC Filing Icon  
7/3/2023David BuonaseraCTOSell6,624$13.43$88,960.32215,338View SEC Filing Icon  
6/29/2023David DayCFOSell21,564$14.00$301,896.00424,944View SEC Filing Icon  
6/12/2023David DayCFOSell1,213$13.47$16,339.11461,812View SEC Filing Icon  
6/12/2023Katie Seitz EvansCOOSell11,098$13.43$149,046.14373,845View SEC Filing Icon  
6/8/2023Lisa L. TroeDirectorSell5,771$13.14$75,830.94114,218View SEC Filing Icon  
6/2/2023Sean Patrick BuckleyCROSell12,219$12.99$158,724.81322,802View SEC Filing Icon  
5/31/2023Michael G BarrettCEOSell75,000$11.69$876,750.001,430,072View SEC Filing Icon  
5/16/2023Adam Lee SorocaInsiderSell12,390$10.88$134,803.20432,277View SEC Filing Icon  
5/16/2023Brian GephartCAOSell1,237$10.88$13,458.5696,563View SEC Filing Icon  
5/16/2023David BuonaseraCTOSell1,559$10.88$16,961.92221,962View SEC Filing Icon  
5/16/2023David DayCFOSell16,066$10.88$174,798.08463,025View SEC Filing Icon  
5/16/2023Katie Seitz EvansCOOSell7,450$10.88$81,056.00384,943View SEC Filing Icon  
5/16/2023Michael G BarrettCEOSell24,679$10.88$268,507.521,505,072View SEC Filing Icon  
5/16/2023Sean Patrick BuckleyCROSell5,640$10.88$61,363.20335,021View SEC Filing Icon  
See Full Table

SEC Filings (Institutional Ownership Changes) for Magnite (NASDAQ:MGNI)

73.40% of Magnite 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 MGNI by year and by quarter.

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

Magnite Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/1/2025Polar Asset Management Partners Inc.213,866$4.66M0.0%N/A0.149%Search for SEC Filing on Google Icon
11/26/2025Strategic Advocates LLC1,922$42K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/24/2025Penn Capital Management Company LLC713,933$15.59M1.2%-4.5%0.497%Search for SEC Filing on Google Icon
11/21/2025CIBC Bancorp USA Inc.14,929$0.33M0.0%N/A0.010%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC63,613$1.39M0.0%-2.7%0.044%Search for SEC Filing on Google Icon
11/17/2025Castleark Management LLC193,185$4.21M0.1%+35.0%0.134%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co44,552$0.99M0.0%+2.4%0.031%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP69,509$1.51M0.0%+41.0%0.048%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd81,445$1.77M0.1%N/A0.057%Search for SEC Filing on Google Icon
11/17/2025Voloridge Investment Management LLC375,212$8.17M0.0%N/A0.261%Search for SEC Filing on Google Icon
11/17/2025Verition Fund Management LLC88,296$1.92M0.0%-85.2%0.061%Search for SEC Filing on Google Icon
11/17/2025Qube Research & Technologies Ltd208,938$4.55M0.0%N/A0.145%Search for SEC Filing on Google Icon
11/17/2025Prelude Capital Management LLC113,649$2.48M0.2%-26.0%0.079%Search for SEC Filing on Google Icon
11/17/2025Numerai GP LLC16,327$0.36M0.1%N/A0.011%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.65,063$1.42M0.0%-15.2%0.045%Search for SEC Filing on Google Icon
11/17/2025Jain Global LLC32,447$0.71M0.0%N/A0.023%Search for SEC Filing on Google Icon
11/17/2025Granahan Investment Management LLC3,873,179$84.36M3.5%+6.3%2.696%Search for SEC Filing on Google Icon
11/17/2025Clough Capital Partners L P94,652$2.06M0.2%-48.9%0.066%Search for SEC Filing on Google Icon
11/17/2025Cannell Capital LLC265,152$5.78M0.9%+109.5%0.185%Search for SEC Filing on Google Icon
11/17/2025Boothbay Fund Management LLC58,877$1.28M0.0%+32.8%0.041%Search for SEC Filing on Google Icon
11/17/20251858 Wealth Management LLC9,212$0.20M0.1%-34.5%0.006%Search for SEC Filing on Google Icon
11/17/2025325 Capital LLC650,061$14.16M4.3%N/A0.453%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC47,270$1.03M0.0%N/A0.033%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.144,645$3.15M0.0%+5.6%0.101%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.150,495$3.28M0.0%+41.6%0.105%Search for SEC Filing on Google Icon
11/17/2025Apis Capital Advisors LLC839,399$18.28M4.0%-19.9%0.584%Search for SEC Filing on Google Icon
11/14/2025Creative Planning21,893$0.48M0.0%+96.7%0.015%Search for SEC Filing on Google Icon
11/14/2025Polar Asset Management Partners Inc.213,866$4.66M0.1%N/A0.149%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.310,653$6.77M0.0%-21.1%0.216%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC37,311$0.81M0.0%N/A0.026%Search for SEC Filing on Google Icon
11/14/2025Panoramic Capital LLC126,080$2.75M1.2%+80.1%0.088%Search for SEC Filing on Google Icon
11/14/2025Manatuck Hill Partners LLC349,291$7.61M2.5%+13.2%0.243%Search for SEC Filing on Google Icon
11/14/2025Alta Park Capital LP255,698$5.57M0.5%-38.2%0.178%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC321,187$7M0.0%-40.9%0.224%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP300,431$6.54M0.0%+26.3%0.209%Search for SEC Filing on Google Icon
11/14/2025Vident Advisory LLC16,621$0.36M0.0%-6.9%0.012%Search for SEC Filing on Google Icon
11/14/2025Wellington Management Group LLP5,144,549$112.05M0.0%-34.7%3.581%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank98,157$2.14M0.0%-30.7%0.068%Search for SEC Filing on Google Icon
11/13/2025Boston Partners4,449,004$95.21M0.1%-20.2%3.097%Search for SEC Filing on Google Icon
11/13/2025Blue Grotto Capital LLC1,548,796$33.73M3.9%+443.8%1.078%Search for SEC Filing on Google Icon
11/13/2025Kennedy Capital Management LLC1,213,613$26.43M0.6%+39.6%0.845%Search for SEC Filing on Google Icon
11/13/2025Johnson Financial Group Inc.3,818$83K0.0%N/A0.003%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.258,732$5.64M0.0%+12.3%0.180%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.74,983$1.63M0.0%-8.7%0.052%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets36,241$0.79M0.0%+95.3%0.025%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.117,484$2.56M0.0%+8.3%0.082%Search for SEC Filing on Google Icon
11/13/2025Magnetar Financial LLC15,189$0.33M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/13/2025Capital Research Global Investors6,982,861$152.09M0.0%-46.0%4.861%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc160,437$3.49M0.0%+3.4%0.112%Search for SEC Filing on Google Icon
11/13/2025Pinnacle Associates Ltd.45,825$1M0.0%-31.6%0.032%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP304,887$6.64M0.0%+338.7%0.212%Search for SEC Filing on Google Icon
11/13/2025Neo Ivy Capital Management1,234$27K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/12/2025Gamco Investors INC. ET AL56,469$1.23M0.0%-5.2%0.039%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC210,655$4.59M0.0%-23.2%0.147%Search for SEC Filing on Google Icon
11/12/2025Pitcairn Co.22,802$0.50M0.0%-13.3%0.016%Search for SEC Filing on Google Icon
11/12/2025Norwood Investment Partners LP430,000$9.37M8.1%-6.9%0.299%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP3,567,254$77.70M0.0%-27.2%2.483%Search for SEC Filing on Google Icon
11/12/2025Picton Mahoney Asset Management387,332$8.44M0.1%+203.0%0.270%Search for SEC Filing on Google Icon
11/12/2025Legato Capital Management LLC35,220$0.77M0.1%-50.0%0.025%Search for SEC Filing on Google Icon
11/12/2025First Eagle Investment Management LLC575,443$12.53M0.0%-6.9%0.401%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky25,201$0.55M0.0%N/A0.018%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.46,301$1.01M0.0%+6.7%0.032%Search for SEC Filing on Google Icon
11/12/2025Royce & Associates LP976,151$21.26M0.2%-9.4%0.680%Search for SEC Filing on Google Icon
11/12/2025Sierra Summit Advisors LLC34,632$0.75M0.1%N/A0.024%Search for SEC Filing on Google Icon
11/12/2025American Century Companies Inc.4,594,070$100.06M0.1%-4.9%3.198%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP4,047$88K0.0%N/A0.003%Search for SEC Filing on Google Icon
11/12/2025Aster Capital Management DIFC Ltd1,594$35K0.0%-58.2%0.001%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC59,204$1.29M0.0%-19.3%0.041%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE1,596$35K0.0%+75.8%0.001%Search for SEC Filing on Google Icon
11/12/2025Fox Run Management L.L.C.63,761$1.39M0.2%N/A0.044%Search for SEC Filing on Google Icon
11/10/2025TD Asset Management Inc30,740$0.67M0.0%N/A0.021%Search for SEC Filing on Google Icon
11/10/2025Counterpoint Mutual Funds LLC22,156$0.48M0.0%N/A0.015%Search for SEC Filing on Google Icon
11/10/2025Dana Investment Advisors Inc.409,121$8.91M0.3%-30.2%0.285%Search for SEC Filing on Google Icon
11/10/2025Ameritas Investment Partners Inc.11,700$0.26M0.0%-18.2%0.008%Search for SEC Filing on Google Icon
11/10/2025Intrust Bank NA10,002$0.22M0.0%N/A0.007%Search for SEC Filing on Google Icon
11/10/2025Clear Creek Financial Management LLC30,032$0.65M0.1%+22.8%0.021%Search for SEC Filing on Google Icon
11/7/2025King Luther Capital Management Corp449,960$9.80M0.0%-19.8%0.316%Search for SEC Filing on Google Icon
11/7/2025CenterBook Partners LP72,786$1.59M0.1%-21.1%0.051%Search for SEC Filing on Google Icon
11/7/2025Zweig DiMenna Associates LLC99,900$2.18M0.2%-10.4%0.070%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.14,654,432$319.17M0.0%+8.1%10.291%Search for SEC Filing on Google Icon
11/7/2025Smithfield Trust Co4,140$91K0.0%-30.2%0.003%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.1,209,413$26.34M0.0%+28.9%0.849%Search for SEC Filing on Google Icon
11/7/2025State of New Jersey Common Pension Fund D94,452$2.06M0.0%N/A0.066%Search for SEC Filing on Google Icon
11/7/2025PNC Financial Services Group Inc.2,428$53K0.0%+45.1%0.002%Search for SEC Filing on Google Icon
11/7/2025Shell Asset Management Co.4,609$100K0.0%-54.8%0.003%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers217,307$4.73M0.0%-2.7%0.153%Search for SEC Filing on Google Icon
11/6/2025ProShare Advisors LLC23,946$0.52M0.0%-16.6%0.017%Search for SEC Filing on Google Icon
11/6/2025Cardinal Point Capital Management ULC37,100$0.81M0.1%-24.4%0.026%Search for SEC Filing on Google Icon
11/5/2025MCF Advisors LLC1,500$33K0.0%-31.8%0.001%Search for SEC Filing on Google Icon
11/5/2025Smartleaf Asset Management LLC1,854$41K0.0%-45.3%0.001%Search for SEC Filing on Google Icon
11/5/2025Homestead Advisers Corp43,900$0.96M0.0%N/A0.031%Search for SEC Filing on Google Icon
11/5/2025Envestnet Asset Management Inc.170,152$3.71M0.0%-29.7%0.119%Search for SEC Filing on Google Icon
11/4/2025State of Wyoming1,774$39K0.0%N/A0.001%Search for SEC Filing on Google Icon
11/4/2025Principal Financial Group Inc.162,440$3.54M0.0%+51.8%0.114%Search for SEC Filing on Google Icon
11/4/2025Thrivent Financial for Lutherans39,646$0.86M0.0%-61.5%0.028%Search for SEC Filing on Google Icon
11/4/2025Lisanti Capital Growth LLC189,168$4.12M1.0%-48.6%0.133%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC13,491$0.29M0.0%+8.4%0.009%Search for SEC Filing on Google Icon
11/3/2025MTM Investment Management LLC1,646$36K0.0%-31.3%0.001%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund474,457$10.33M0.0%-3.8%0.333%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.23,100$0.50M0.0%N/A0.016%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
Magnite logo
Magnite, Inc., together with its subsidiaries, operates an independent omni-channel sell-side advertising platform in the United States and internationally. The company's platform offers applications and services for sellers of digital advertising inventory or publishers that own and operate CTV channels, applications, websites, and other digital media properties to manage and monetize their inventory; and applications and services for buyers, including advertisers, agencies, agency trading desks, and demand side platforms to buy digital advertising inventory, as well as an independent marketplace that connects buyers and sellers. It markets its solutions through sales teams that operate from various locations. The company was formerly known as The Rubicon Project, Inc. and changed name to Magnite, Inc. in July 2020. Magnite, Inc. was incorporated in 2007 and is headquartered in New York, New York.
Read More on Magnite

Today's Range

Now: $14.38
Low: $14.10
High: $14.49

50 Day Range

MA: $17.06
Low: $13.13
High: $22.28

52 Week Range

Now: $14.38
Low: $8.22
High: $26.65

Volume

1,426,043 shs

Average Volume

2,919,794 shs

Market Capitalization

$2.07 billion

P/E Ratio

37.84

Dividend Yield

N/A

Beta

2.49

Who are the company insiders with the largest holdings of Magnite?

Magnite's top insider shareholders include:
  1. Michael G Barrett (CEO)
  2. David Day (CFO)
  3. Adam Lee Soroca (Insider)
  4. Katie Seitz Evans (Insider)
  5. Katie Seitz Evans (COO)
  6. Sean Patrick Buckley (Insider)
  7. Sean Patrick Buckley (CRO)
  8. Aaron Saltz (Insider)
  9. David Buonasera (CTO)
  10. Rachel Lam (Director)
  11. James Rossman (Director)
  12. Paul Caine (Director)
  13. Brian Gephart (CAO)
  14. David T Pearson (Director)
  15. Robert F Spillane (Director)
  16. Diane Yu (Director)
Learn More about top insider investors at Magnite.

Who are the major institutional investors of Magnite?

Magnite's top institutional investors include:
  1. Vanguard Group Inc. — 10.29%
  2. Capital Research Global Investors — 4.86%
  3. Wellington Management Group LLP — 3.58%
  4. American Century Companies Inc. — 3.20%
  5. Boston Partners — 3.10%
  6. Granahan Investment Management LLC — 2.70%
Learn More about top institutional investors of Magnite stock.

Which institutional investors are selling Magnite stock?

In the previous quarter, MGNI stock was sold by these institutional investors:
  1. Capital Research Global Investors
  2. Wellington Management Group LLP
  3. Dimensional Fund Advisors LP
  4. Boston Partners
  5. Verition Fund Management LLC
  6. Harbor Capital Advisors Inc.
  7. Stephens Investment Management Group LLC
  8. Maestria Partners LLC
In the last year, company insiders that have sold Magnite company stock include:
  1. Michael G Barrett (CEO)
  2. David Day (CFO)
  3. Adam Lee Soroca (Insider)
  4. Katie Seitz Evans (Insider)
  5. Katie Seitz Evans (COO)
  6. Sean Patrick Buckley (Insider)
  7. Sean Patrick Buckley (CRO)
  8. Aaron Saltz (Insider)
  9. David Buonasera (CTO)
  10. Rachel Lam (Director)
  11. James Rossman (Director)
  12. Paul Caine (Director)
  13. Brian Gephart (CAO)
  14. David T Pearson (Director)
Learn More investors selling Magnite stock.

Which institutional investors are buying Magnite stock?

During the last quarter, MGNI stock was bought by institutional investors including:
  1. Blue Grotto Capital LLC
  2. Vanguard Group Inc.
  3. 325 Capital LLC
  4. Caption Management LLC
  5. Voloridge Investment Management LLC
  6. Kennedy Capital Management LLC
  7. JPMorgan Chase & Co.
  8. Picton Mahoney Asset Management