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ANAB Insider Trading

Insider Ownership Percentage: 33.50%
Insider Buying (Last 12 Months): $928,242.98
Insider Selling (Last 12 Months): $493,202.25

AnaptysBio Insider Trading History Chart

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

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AnaptysBio Share Price & Price History

Current Price: $43.30
Price Change: ▼ Price Decrease of -0.46 (-1.05%)
As of 12/4/2025 05:00 PM ET

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

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Days: 30 | 90 | 365

AnaptysBio Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
7/2/2025Hollings RentonDirectorSell20,925$23.57$493,202.254,965View SEC Filing Icon  
1/2/2025Ecor1 Capital, LlcDirectorBuy6,646$12.95$86,065.707,880,094View SEC Filing Icon  
12/30/2024Ecor1 Capital, LlcDirectorBuy65,184$12.92$842,177.287,860,180View SEC Filing Icon  
9/23/2024Paul F. LizzulInsiderSell1,500$38.67$58,005.0015,398View SEC Filing Icon  
9/16/2024Dennis MulroyCFOSell12,220$39.91$487,700.204,744View SEC Filing Icon  
9/16/2024Eric J. LoumeauInsiderSell8,720$39.82$347,230.407,020View SEC Filing Icon  
8/14/2024Ecor1 Capital, LlcMajor ShareholderBuy273,972$36.50$9,999,978.007,794,996View SEC Filing Icon  
7/18/2024Paul F. LizzulInsiderSell1,500$35.00$52,500.0011,618View SEC Filing Icon  
7/15/2024Hollings RentonDirectorSell10,000$30.64$306,400.001,950View SEC Filing Icon  
6/21/2024Dennis M. FentonDirectorSell1,950$23.17$45,181.501,950View SEC Filing Icon  
6/18/2024Hollings RentonDirectorSell1,950$23.16$45,162.001,950View SEC Filing Icon  
5/22/2024Dennis MulroyCFOSell1,500$23.72$35,580.00964View SEC Filing Icon  
3/25/2024Daniel FagaCEOSell3,000$21.42$64,260.00749,087View SEC Filing Icon  
3/22/2024Daniel FagaCEOSell145,940$22.78$3,324,513.20752,087View SEC Filing Icon  
2/16/2024Eric J. LoumeauInsiderSell5,000$25.00$125,000.003,240View SEC Filing Icon  
1/30/2024Dennis MulroyCFOSell3,065$23.63$72,425.95964View SEC Filing Icon  
1/8/2024Daniel FagaCEOSell6,866$21.81$149,747.46898,027View SEC Filing Icon  
1/8/2024Dennis MulroyCFOSell2,180$21.81$47,545.804,029View SEC Filing Icon  
1/8/2024Paul F. LizzulInsiderSell2,554$21.81$55,702.7410,118View SEC Filing Icon  
11/22/2023Eric J. LoumeauInsiderSell882$14.19$12,515.58View SEC Filing Icon  
9/18/2023Eric J. LoumeauInsiderSell3,895$19.32$75,251.40882View SEC Filing Icon  
9/14/2023Paul F. LizzulInsiderSell2,105$19.48$41,005.406,527View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for AnaptysBio (NASDAQ:ANAB)

Institutional Buying and Selling by Quarter

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

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AnaptysBio Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
11/17/2025Jacobs Levy Equity Management Inc.378,452$11.59M0.0%+2.7%1.367%Search for SEC Filing on Google Icon
11/17/2025XTX Topco Ltd18,111$0.56M0.0%-40.9%0.065%Search for SEC Filing on Google Icon
11/17/2025Palo Alto Investors LP673,520$20.62M3.8%-17.1%2.432%Search for SEC Filing on Google Icon
11/17/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.10,667$0.32M0.0%N/A0.039%Search for SEC Filing on Google Icon
11/17/2025Larson Financial Group LLC1,340$41K0.0%+54.6%0.005%Search for SEC Filing on Google Icon
11/17/2025Granahan Investment Management LLC147,773$4.53M0.2%+12.2%0.534%Search for SEC Filing on Google Icon
11/17/2025First Light Asset Management LLC990,161$30.32M2.9%-72.0%3.576%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP25,299$0.78M0.0%+10.2%0.091%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE127,241$3.90M0.0%-88.2%0.460%Search for SEC Filing on Google Icon
11/17/2025Aquatic Capital Management LLC31,298$0.96M0.0%-52.4%0.113%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC83,767$2.57M0.0%N/A0.303%Search for SEC Filing on Google Icon
11/14/2025Virtu Financial LLC15,531$0.48M0.0%N/A0.056%Search for SEC Filing on Google Icon
11/14/2025Man Group plc12,859$0.39M0.0%N/A0.046%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC33,271$1.02M0.0%-33.2%0.120%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP256,420$7.85M0.0%+10.8%0.926%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC68,014$2.08M0.0%-37.8%0.246%Search for SEC Filing on Google Icon
11/13/2025Jump Financial LLC82,077$2.51M0.0%N/A0.296%Search for SEC Filing on Google Icon
11/13/2025Arrowstreet Capital Limited Partnership370,458$11.34M0.0%+145.6%1.338%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.14,921$0.46M0.0%N/A0.054%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG75,262$2.31M0.0%-94.1%0.272%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets105,663$3.24M0.0%+2,756.5%0.382%Search for SEC Filing on Google Icon
11/13/2025Franklin Resources Inc.47,332$1.45M0.0%-86.6%0.171%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.34,032$1.04M0.0%+43.0%0.123%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC63,452$1.94M0.0%-36.5%0.229%Search for SEC Filing on Google Icon
11/12/2025Orion Porfolio Solutions LLC13,739$0.42M0.0%N/A0.050%Search for SEC Filing on Google Icon
11/12/2025Cresset Asset Management LLC16,887$0.52M0.0%+28.3%0.061%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.204,055$6.25M0.0%-61.6%0.737%Search for SEC Filing on Google Icon
11/12/2025Rafferty Asset Management LLC30,085$0.92M0.0%+12.1%0.109%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC7,805$0.24M0.0%-27.7%0.028%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE1,790$55K0.0%-69.7%0.006%Search for SEC Filing on Google Icon
11/10/2025Bleakley Financial Group LLC39,981$1.22M0.0%+6.5%0.144%Search for SEC Filing on Google Icon
11/10/2025Citigroup Inc.70,534$2.16M0.0%-93.3%0.255%Search for SEC Filing on Google Icon
11/10/2025China Universal Asset Management Co. Ltd.9,907$0.30M0.0%+67.9%0.036%Search for SEC Filing on Google Icon
11/7/2025NEOS Investment Management LLC10,975$0.34M0.0%-3.8%0.040%Search for SEC Filing on Google Icon
11/7/2025GSA Capital Partners LLP37,274$1.14M0.1%-46.6%0.135%Search for SEC Filing on Google Icon
11/7/2025Skandinaviska Enskilda Banken AB publ 145,191$4.45M0.0%+333.1%0.524%Search for SEC Filing on Google Icon
11/7/2025Vanguard Group Inc.1,476,989$45.23M0.0%-3.9%5.334%Search for SEC Filing on Google Icon
11/7/2025JPMorgan Chase & Co.14,852$0.46M0.0%-94.0%0.054%Search for SEC Filing on Google Icon
11/6/2025Rhumbline Advisers29,244$0.90M0.0%-4.8%0.104%Search for SEC Filing on Google Icon
11/6/2025Profund Advisors LLC6,563$0.20M0.0%N/A0.023%Search for SEC Filing on Google Icon
11/5/2025Alps Advisors Inc.13,335$0.41M0.0%-15.9%0.048%Search for SEC Filing on Google Icon
11/5/2025Bessemer Group Inc.1,428$44K0.0%+950.0%0.005%Search for SEC Filing on Google Icon
11/5/2025Savant Capital LLC10,309$0.32M0.0%-5.2%0.037%Search for SEC Filing on Google Icon
11/3/2025AlphaQuest LLC9,043$0.28M0.0%N/A0.032%Search for SEC Filing on Google Icon
11/3/2025New York State Common Retirement Fund10,586$0.32M0.0%+33.6%0.038%Search for SEC Filing on Google Icon
11/3/2025Federated Hermes Inc.193,327$5.92M0.0%+2,236.6%0.691%Search for SEC Filing on Google Icon
10/30/2025Covestor Ltd6,582$0.20M0.1%+131,540.0%0.024%Search for SEC Filing on Google Icon
10/28/2025Campbell & CO Investment Adviser LLC18,281$0.56M0.0%N/A0.065%Search for SEC Filing on Google Icon
10/21/2025Moody Aldrich Partners LLC49,882$1.53M0.3%-17.0%0.178%Search for SEC Filing on Google Icon
10/20/2025HighMark Wealth Management LLC135,050$4.42M1.9%-7.2%0.482%Search for SEC Filing on Google Icon
10/9/2025Voya Investment Management LLC12,961$0.40M0.0%-82.2%0.046%Search for SEC Filing on Google Icon
10/7/2025Assenagon Asset Management S.A.839,934$25.72M0.0%+4,852.7%3.000%Search for SEC Filing on Google Icon
9/4/2025Osaic Holdings Inc.2,346$52K0.0%+11,630.0%0.008%Search for SEC Filing on Google Icon
8/27/2025Squarepoint Ops LLC109,388$2.43M0.0%N/A0.391%Search for SEC Filing on Google Icon
8/15/2025Tower Research Capital LLC TRC 2,164$48K0.0%+175.0%0.008%Search for SEC Filing on Google Icon
8/15/2025Exome Asset Management LLC15,000$0.33M0.2%-87.1%0.054%Search for SEC Filing on Google Icon
8/15/2025Soleus Capital Management L.P.321,040$7.13M0.5%+214.6%1.147%Search for SEC Filing on Google Icon
8/15/2025Sofinnova Investments Inc.1,032,362$22.92M1.4%-11.0%3.687%Search for SEC Filing on Google Icon
8/15/2025Rafferty Asset Management LLC26,829$0.60M0.0%-14.0%0.096%Search for SEC Filing on Google Icon
8/15/2025Engineers Gate Manager LP24,745$0.55M0.0%N/A0.088%Search for SEC Filing on Google Icon
8/15/2025BNP Paribas Financial Markets3,699$82K0.0%-85.5%0.013%Search for SEC Filing on Google Icon
8/15/2025Brevan Howard Capital Management LP22,953$0.51M0.0%+61.7%0.082%Search for SEC Filing on Google Icon
8/15/2025Balyasny Asset Management L.P.92,852$2.06M0.0%+189.5%0.332%Search for SEC Filing on Google Icon
8/15/2025Bank of America Corp DE1,076,799$23.91M0.0%-5.9%3.846%Search for SEC Filing on Google Icon
8/15/2025683 Capital Management LLC500,000$11.10M0.7%+155.6%1.786%Search for SEC Filing on Google Icon
8/14/2025First Light Asset Management LLC3,539,593$78.58M10.2%-23.6%12.641%Search for SEC Filing on Google Icon
8/14/2025Camber Capital Management LP125,000$2.78M0.3%-83.3%0.446%Search for SEC Filing on Google Icon
8/14/2025Squarepoint Ops LLC109,388$2.43M0.0%N/A0.391%Search for SEC Filing on Google Icon
8/14/2025OCONNOR A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS LLC 38,528$0.86M0.0%-18.1%0.138%Search for SEC Filing on Google Icon
8/13/2025Cresset Asset Management LLC13,165$0.29M0.0%-9.9%0.047%Search for SEC Filing on Google Icon
8/13/2025Tema Etfs LLC11,404$0.25M0.1%N/A0.041%Search for SEC Filing on Google Icon
8/13/2025Invesco Ltd.83,174$1.85M0.0%+289.8%0.297%Search for SEC Filing on Google Icon
8/13/2025Arrowstreet Capital Limited Partnership150,810$3.35M0.0%N/A0.539%Search for SEC Filing on Google Icon
8/13/2025Panagora Asset Management Inc.33,369$0.74M0.0%N/A0.119%Search for SEC Filing on Google Icon
8/13/2025Virtus Investment Advisers LLC4,017$89K0.0%-63.2%0.014%Search for SEC Filing on Google Icon
8/13/2025Russell Investments Group Ltd.23,791$0.53M0.0%N/A0.085%Search for SEC Filing on Google Icon
8/12/2025XTX Topco Ltd30,642$0.68M0.0%N/A0.109%Search for SEC Filing on Google Icon
8/12/2025DCF Advisers LLC48,000$1.07M0.5%+37.7%0.171%Search for SEC Filing on Google Icon
8/12/2025Legal & General Group Plc19,504$0.43M0.0%-4.2%0.070%Search for SEC Filing on Google Icon
8/12/2025JPMorgan Chase & Co.247,625$5.50M0.0%+1,631.6%0.884%Search for SEC Filing on Google Icon
8/12/2025Swiss National Bank26,400$0.59M0.0%-18.5%0.094%Search for SEC Filing on Google Icon
8/8/2025Intech Investment Management LLC10,795$0.24M0.0%N/A0.037%Search for SEC Filing on Google Icon
8/8/2025Creative Planning16,854$0.37M0.0%+26.9%0.057%Search for SEC Filing on Google Icon
8/8/2025Police & Firemen s Retirement System of New Jersey4,178$93K0.0%-22.5%0.014%Search for SEC Filing on Google Icon
8/8/2025Geode Capital Management LLC463,358$10.29M0.0%-5.7%1.577%Search for SEC Filing on Google Icon
8/7/2025Los Angeles Capital Management LLC15,027$0.33M0.0%N/A0.051%Search for SEC Filing on Google Icon
8/6/2025Savant Capital LLC10,869$0.24M0.0%N/A0.037%Search for SEC Filing on Google Icon
8/5/2025Corton Capital Inc.12,004$0.27M0.3%+12.2%0.041%Search for SEC Filing on Google Icon
8/4/2025Moody Aldrich Partners LLC60,094$1.33M0.3%-27.8%0.205%Search for SEC Filing on Google Icon
7/30/2025Bleakley Financial Group LLC37,551$0.83M0.0%N/A0.128%Search for SEC Filing on Google Icon
7/28/2025Allianz Asset Management GmbH15,200$0.34M0.0%N/A0.052%Search for SEC Filing on Google Icon
7/21/2025HighMark Wealth Management LLC145,550$3.23M1.6%+58.2%0.495%Search for SEC Filing on Google Icon
7/11/2025Assenagon Asset Management S.A.16,959$0.38M0.0%-93.0%0.058%Search for SEC Filing on Google Icon
6/27/2025Goldman Sachs Group Inc.280,577$5.22M0.0%-33.1%0.955%Search for SEC Filing on Google Icon
6/18/2025Voya Investment Management LLC96,972$1.80M0.0%N/A0.330%Search for SEC Filing on Google Icon
5/29/2025Rhumbline Advisers30,903$0.57M0.0%+2.7%0.105%Search for SEC Filing on Google Icon
5/16/2025Woodline Partners LP791,023$14.71M0.1%+63.1%2.692%Search for SEC Filing on Google Icon
5/16/2025Exome Asset Management LLC116,623$2.17M1.8%N/A0.397%Search for SEC Filing on Google Icon
5/16/2025Goldman Sachs Group Inc.280,577$5.22M0.0%-33.1%0.955%Search for SEC Filing on Google Icon
5/16/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.14,205$0.27M0.0%-5.4%0.048%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
AnaptysBio logo
AnaptysBio, Inc., a clinical-stage biotechnology company, focuses in delivering immunology therapeutics. Its products include Rosnilimab, an IgG1 antibody that targets PD-1+ T cells, resulting in their agonism or depletion, broadly impacting pathogenic drivers of autoimmune and inflammatory diseases; and ANB032, a non-depleting antibody that binds to the BTLA checkpoint receptor and inhibits activated T cell proliferation; ANB033, a novel anti-CD122 antagonist antibody that targets the shared common beta subunit of the receptors for IL-15 and IL-2; ANB101, a BDCA2 modulator antibody that specifically targets plasmacytoid dendritic cells (pDCs); and Imsidolimab, an antibody that inhibits the interleukin-36 receptor, which is in the Phase 3 development for the treatment of generalized pustular psoriasis. The company also focuses on developing various antibody programs that are advanced to preclinical and clinical milestones under its collaborations. It has a collaboration and license agreement with GlaxoSmithKline, Inc. The company was formerly known as Anaptys Biosciences, Inc. and changed its name to AnaptysBio, Inc. in July 2006. AnaptysBio, Inc. was incorporated in 2005 and is based in San Diego, California.
Read More on AnaptysBio

Today's Range

Now: $43.30
Low: $42.63
High: $45.32

50 Day Range

MA: $35.31
Low: $23.27
High: $43.76

52 Week Range

Now: $43.30
Low: $12.21
High: $45.32

Volume

591,640 shs

Average Volume

743,185 shs

Market Capitalization

$1.20 billion

P/E Ratio

N/A

Dividend Yield

N/A

Beta

0.29

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

AnaptysBio's top insider shareholders include:
  1. Ecor1 Capital, Llc (Director)
  2. Ecor1 Capital, Llc (Major Shareholder)
  3. Daniel Faga (CEO)
  4. Paul F Lizzul (Insider)
  5. Eric J Loumeau (Insider)
  6. Hollings Renton (Director)
  7. Dennis Mulroy (CFO)
  8. Dennis M Fenton (Director)
Learn More about top insider investors at AnaptysBio.

Who are the major institutional investors of AnaptysBio?

AnaptysBio's top institutional investors include:
  1. Vanguard Group Inc. — 5.33%
  2. First Light Asset Management LLC — 3.58%
  3. Assenagon Asset Management S.A. — 3.00%
  4. Palo Alto Investors LP — 2.43%
  5. Jacobs Levy Equity Management Inc. — 1.37%
  6. Arrowstreet Capital Limited Partnership — 1.34%
Learn More about top institutional investors of AnaptysBio stock.

Which major investors are selling AnaptysBio stock?

In the previous quarter, ANAB stock was sold by these institutional investors:
  1. First Light Asset Management LLC
  2. UBS Group AG
  3. Citigroup Inc.
  4. Bank of America Corp DE
  5. Victory Capital Management Inc.
  6. Franklin Resources Inc.
  7. JPMorgan Chase & Co.
  8. Palo Alto Investors LP

Which major investors are buying AnaptysBio stock?

Within the previous quarter, ANAB stock was acquired by institutional investors including:
  1. Assenagon Asset Management S.A.
  2. Arrowstreet Capital Limited Partnership
  3. Federated Hermes Inc.
  4. Susquehanna International Group LLP
  5. Skandinaviska Enskilda Banken AB publ
  6. BNP Paribas Financial Markets
  7. Algert Global LLC
  8. Jump Financial LLC
In the last year, these company insiders have bought AnaptysBio stock:
  1. Ecor1 Capital, Llc (Director)
  2. Ecor1 Capital, Llc (Major Shareholder)
Learn More investors buying AnaptysBio stock.