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AnaptysBio (ANAB) Institutional Ownership

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$46.62 +1.03 (+2.27%)
As of 11:47 AM Eastern
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Institutional Ownership Changes (13F Filings) for AnaptysBio (NASDAQ:ANAB)

Number of
Institutional Buyers
(last 12 months)
101
Total
Institutional Inflows
(last 12 months)
$447.62M
Number of
Institutional Sellers
(last 12 months)
52
Total
Institutional Outflows
(last 12 months)
$334.56M
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ANAB Institutional Buying and Selling by Quarter

AnaptysBio Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/8/2026Farther Finance Advisors LLC10,033$504K0.0%+2,440.0%0.034%
9/9/2026First Light Asset Management LLC582,004$39.29M2.4%+2.9%1.966%
9/9/2026Tidal Investments LLC31,270$2.11M0.0%-14.0%0.106%
9/9/2026Squarepoint Ops LLC324,446$21.90M0.0%+21.2%1.096%
9/8/2026Arizona State Retirement System4,363$295K0.0%+13.5%0.015%
8/25/2026VIRGINIA RETIREMENT SYSTEMS ET Al17,250$1.16M0.0%N/A0.058%
8/23/2026Irenic Capital Management LP70,447$4.76M0.2%N/A0.238%
8/20/2026Ancora Advisors LLC5,000$338K0.0%N/A0.017%
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC23,310$1.57M0.0%-24.1%0.079%
8/19/2026Hsbc Holdings PLC216,949$14.93M0.0%+72.6%0.733%
8/19/2026Wellington Management Group LLP41,796$2.82M0.0%-10.8%0.141%
8/18/2026Palo Alto Investors LP603,489$40.74M0.0%N/A2.038%
8/18/2026Empowered Funds LLC206,010$13.91M0.1%N/A0.696%
8/17/2026Bank of America Corp DE417,812$28.20M0.0%N/A1.411%
8/15/2026Jupiter Topco LLC7,464$504K0.0%N/A0.025%
8/14/2026ADAR1 Capital Management LLC3,698$250K0.0%N/A0.012%
8/14/2026Hsbc Holdings PLC216,949$14.93M0.0%N/A0.733%
8/14/2026Ancora Advisors LLC5,000$338K0.0%N/A0.017%
8/14/2026Canada Pension Plan Investment Board16,500$1.11M0.0%N/A0.056%
8/14/2026Legal & General Group Plc16,415$1.11M0.0%N/A0.055%
8/14/2026The Manufacturers Life Insurance Company10,366$700K0.0%N/A0.035%
8/14/2026Group One Trading LLC2,074$140K0.0%N/A0.007%
8/13/2026Cibc World Market Inc.8,700$587K0.0%N/A0.029%
8/13/2026Connor Clark & Lunn Investment Management Ltd.141,026$9.52M0.0%N/A0.476%
8/13/2026Clear Harbor Asset Management LLC11,550$780K0.0%N/A0.039%
8/11/2026E Fund Management Co. Ltd.3,083$208K0.0%N/A0.010%
8/11/2026Latash Investments LLC4,393$297K0.2%N/A0.015%
8/10/2026DCF Advisers LLC9,114$615K0.1%N/A0.031%
8/7/2026BlackRock Inc.1,844,049$124.47M0.0%N/A6.228%
8/7/2026Deutsche Bank AG46,884$3.17M0.0%N/A0.158%
8/7/2026Persistent Asset Partners Ltd575$39K0.0%N/A0.002%
8/6/2026Bank of New York Mellon Corp56,401$3.81M0.0%N/A0.190%
8/6/2026State of Wyoming2,347$158K0.0%N/A0.008%
7/10/2026Tema ETFs LLC31,270$2.11M0.1%+0.6%0.106%
5/27/2026Allen Capital Group LLC4,124$229K0.0%N/A0.014%
5/26/2026Glenmede Trust Co. NA6,381$354K0.0%-13.1%0.022%
5/19/2026Bank of America Corp DE501,086$27.79M0.0%+283.2%1.722%
5/18/2026ADAR1 Capital Management LLC3,698$205K0.0%N/A0.013%
5/18/2026Royal Bank of Canada4,219$234K0.0%+145.6%0.014%
5/18/2026Eversept Partners LP27,089$1.50M0.1%-77.6%0.093%
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5/16/2026The Manufacturers Life Insurance Company10,166$564K0.0%+78.9%0.035%
5/16/2026Quantinno Capital Management LP6,084$337K0.0%-5.4%0.021%
5/16/2026First Light Asset Management LLC565,431$31.36M2.8%-12.5%1.943%
5/15/2026Granahan Investment Management LLC66,182$3.67M0.2%-47.4%0.227%
5/15/2026Affinity Asset Advisors LLC940,000$52.13M2.7%+111.4%3.230%
5/14/2026Renaissance Technologies LLC90,900$5.04M0.0%+19.1%0.312%
5/14/2026Arrowstreet Capital Limited Partnership492,120$27.29M0.0%-12.1%1.691%
5/14/2026Sei Investments Co.7,654$424K0.0%+54.1%0.026%
5/14/2026Walleye Capital LLC18,425$1.02M0.0%N/A0.063%
5/5/2026Bank of New York Mellon Corp51,115$2.84M0.0%-7.6%0.176%
5/5/2026Hillsdale Investment Management Inc.4,620$256K0.0%N/A0.016%
5/4/2026Bleakley Financial Group LLC43,120$2.39M0.0%-1.0%0.148%
4/30/2026Hsbc Holdings PLC125,717$7.14M0.0%N/A0.432%
4/27/2026Moran Wealth Management LLC4,064$225K0.0%N/A0.014%
4/27/2026Y Intercept Hong Kong Ltd22,701$1.26M0.0%-31.4%0.079%
4/22/2026Ground Swell Capital LLC7,610$422K0.8%N/A0.026%
4/16/2026SG Americas Securities LLC24,851$1.38M0.0%+138.3%0.086%
3/3/2026Caitong International Asset Management Co. Ltd1,530$74K0.0%+940.8%0.006%
2/19/2026Invesco Ltd.124,006$6.01M0.0%+192.6%0.448%
2/18/2026Mackenzie Financial Corp24,228$1.17M0.0%N/A0.088%
2/18/2026XTX Topco Ltd38,637$1.87M0.0%+113.3%0.140%
2/18/2026nVerses Capital LLC4,438$215K0.5%N/A0.016%
2/18/2026Voloridge Investment Management LLC229,137$11.11M0.0%+2,358.3%0.828%
2/18/2026Virtus Investment Advisers LLC5,919$287K0.1%+21.8%0.021%
2/18/2026Wellington Management Group LLP61,187$2.97M0.0%-8.3%0.221%
2/18/2026SummitTX Capital L.P.6,528$316K0.0%N/A0.024%
2/18/2026Susquehanna Portfolio Strategies LLC35,948$1.74M0.0%+1.4%0.130%
2/18/2026Tang Capital Management LLC1,332,087$64.58M3.2%-0.1%4.811%
2/18/2026Tudor Investment Corp ET AL17,305$839K0.0%+24.8%0.063%
2/18/2026Quadrature Capital Ltd24,280$1.18M0.0%N/A0.088%
2/18/2026Millennium Management LLC813,571$39.44M0.0%-46.8%2.938%
2/18/2026Engineers Gate Manager LP10,880$527K0.0%-62.7%0.039%
2/18/2026Eversept Partners LP120,927$5.86M0.3%N/A0.437%
2/18/2026683 Capital Management LLC648,093$31.42M1.4%+18.5%2.341%
2/17/2026Schonfeld Strategic Advisors LLC24,431$1.18M0.0%N/A0.088%
2/17/2026First Light Asset Management LLC646,238$31.33M2.4%-34.7%2.334%
2/17/2026Trexquant Investment LP58,809$2.85M0.0%-47.4%0.212%
2/17/2026Jump Financial LLC120,217$5.83M0.1%+46.5%0.434%
2/17/2026Price T Rowe Associates Inc. MD26,005$1.26M0.0%-91.3%0.094%
2/17/2026Osaic Holdings Inc.27,737$1.34M0.0%+1,427.4%0.100%
2/17/2026Russell Investments Group Ltd.19,714$956K0.0%-42.1%0.071%
2/17/2026Granahan Investment Management LLC125,855$6.10M0.3%-14.8%0.455%
2/17/2026State of Wisconsin Investment Board8,955$434K0.0%N/A0.032%
2/17/2026ExodusPoint Capital Management LP83,313$4.04M0.0%+214.4%0.301%
2/17/2026Royal Bank of Canada1,718$83K0.0%+987.3%0.006%
2/16/2026Squarepoint Ops LLC160,731$7.79M0.0%+136.3%0.580%
2/16/2026Sofinnova Investments Inc.287,690$13.95M0.6%+13.1%1.039%
2/16/2026Panagora Asset Management Inc.20,872$1.01M0.0%-67.3%0.075%
2/16/2026Entropy Technologies LP8,300$402K0.0%N/A0.030%
2/16/2026Barclays PLC59,654$2.89M0.0%-6.0%0.215%
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2/13/2026The Manufacturers Life Insurance Company 5,682$275K0.0%-15.4%0.021%
2/13/2026Affinity Asset Advisors LLC444,692$21.56M1.2%N/A1.606%
2/13/2026Smartleaf Asset Management LLC835$40K0.0%+5,864.3%0.003%
2/13/2026Bridgefront Capital LLC8,549$414K0.1%N/A0.031%
2/13/2026Jacobs Levy Equity Management Inc.55,088$2.67M0.0%-85.4%0.199%
2/13/2026Rafferty Asset Management LLC35,310$1.71M0.0%+17.4%0.128%
2/13/2026Headlands Technologies LLC25,278$1.23M0.1%N/A0.091%
2/13/2026Charles Schwab Investment Management Inc.198,660$9.63M0.0%-3.8%0.717%
2/13/2026Police & Firemen s Retirement System of New Jersey5,641$273K0.0%+23.7%0.020%
2/13/2026State Street Corp1,053,474$51.07M0.0%+20.6%3.805%


ANAB Institutional Ownership - Frequently Asked Questions

During the previous two years, 183 institutional investors and hedge funds held shares of AnaptysBio. The most heavily invested institutionals were EcoR1 Capital LLC ($146.49M), BlackRock Inc. ($124.47M), FMR LLC ($110.86M), Vanguard Group Inc. ($74.86M), Tang Capital Management LLC ($64.58M), Affinity Asset Advisors LLC ($52.13M), and State Street Corp ($51.07M).Learn more on AnaptysBio's institutional investors.

Of the 163 institutional investors that purchased AnaptysBio's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: First Light Asset Management LLC ($3.78M), BlackRock Inc. ($1.84M), Fairmount Funds Management LLC ($1.82M), Boxer Capital Management LLC ($1.30M), Assenagon Asset Management S.A. ($991.79K), Affinity Asset Advisors LLC ($940K), and Sanofi ($821.92K).

Institutional investors have bought a total of 7,913,576 shares in the last 24 months. This purchase volume represents approximately $447.62M in transactions.

Of the 52 institutional investors that sold AnaptysBio's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: First Light Asset Management LLC ($2.97M), UBS Group AG ($1.20M), Citigroup Inc. ($975.95K), Bank of America Corp DE ($949.56K), Millennium Management LLC ($715.76K), JPMorgan Chase & Co. ($465.55K), and Victory Capital Management Inc. ($328.03K).

Institutional investors have sold a total of 9,493,262 shares in the last 24 months. This volume of shares sold represents approximately $334.56M in transactions.


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Institutional ownership data for NASDAQ:ANAB is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 10/8/2026. New 13F filings are added each quarter as they're published.
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