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Compass Therapeutics (CMPX) Institutional Ownership

Compass Therapeutics logo
$2.17 +0.03 (+1.16%)
As of 09:58 AM Eastern
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Institutional Ownership Changes (13F Filings) for Compass Therapeutics (NASDAQ:CMPX)

Current
Institutional Ownership
Percentage
68.43%
Number of
Institutional Buyers
(last 12 months)
96
Total
Institutional Inflows
(last 12 months)
$226.23M
Number of
Institutional Sellers
(last 12 months)
31
Total
Institutional Outflows
(last 12 months)
$65.27M
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CMPX Institutional Buying and Selling by Quarter

Compass Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/7/2026 BlackRock Inc.11,281,781$24.71M0.0%N/A6.265%
8/7/2026 Deutsche Bank AG134,350$294K0.0%N/A0.075%
8/7/2026 Simplicity Wealth LLC36,480$80K0.0%N/A0.020%
8/6/2026 Bank of New York Mellon Corp351,032$769K0.0%N/A0.195%
8/6/2026 State of Wyoming14,065$31K0.0%N/A0.008%
8/6/2026 GSA Capital Partners LLP70,179$154K0.0%N/A0.039%
8/3/2026 Walleye Trading LLC25,000$55K0.0%N/A0.014%
7/10/2026 Wealthcare Advisory Partners LLC60,962$134K0.0%N/A0.034%
7/9/2026 Wealthcare Capital Partners LLC19,654$43K0.0%N/A0.011%
6/4/2026Seven Fleet Capital Management LP940,538$4.98M1.6%+65.4%0.522%
6/3/2026DV Trading LLC423,566$2.24M0.1%+1,649.8%0.235%
6/3/2026 Parallel Advisors LLC5,250$28K0.0%N/A0.003%
5/19/2026Bank of America Corp DE865,613$4.58M0.0%+224.9%0.481%
5/19/2026Janus Henderson Group PLC55,600$294K0.0%N/A0.031%
5/18/2026California State Teachers Retirement System112,316$594K0.0%+1,294.2%0.062%
5/18/2026Rock Springs Capital Management LP3,305,308$17.49M1.0%-15.8%1.835%
5/16/2026The Manufacturers Life Insurance Company 67,466$357K0.0%+67.3%0.037%
5/14/2026Monashee Investment Management LLC258,865$1.37M0.7%-74.1%0.144%
5/8/2026 PNC Financial Services Group Inc.11,038$58K0.0%+2,572.6%0.006%
5/7/2026Dimensional Fund Advisors LP439,784$2.32M0.0%+28.7%0.244%
5/7/2026Swiss National Bank220,700$1.17M0.0%N/A0.123%
5/6/2026 Independent Financial Group LLC22,779$121K0.0%N/A0.013%
5/5/2026 Bank of New York Mellon Corp297,301$1.57M0.0%-4.9%0.165%
5/1/2026 Simplicity Wealth LLC28,350$150K0.0%-16.3%0.016%
4/28/2026 Abel Hall LLC10,524$56K0.0%-54.0%0.006%
4/27/2026 Y Intercept Hong Kong Ltd828,879$4.39M0.1%+79.3%0.460%
4/22/2026 Pictet Asset Management Holding SA14,432$76K0.0%N/A0.008%
4/16/2026 SG Americas Securities LLC47,670$252K0.0%-55.3%0.026%
3/3/2026 Caitong International Asset Management Co. Ltd24,579$132K0.0%N/A0.014%
2/26/2026Seven Fleet Capital Management LP568,747$3.05M2.3%N/A0.320%
2/19/2026Invesco Ltd.63,901$343K0.0%+5.3%0.036%
2/18/2026XTX Topco Ltd115,634$621K0.0%+582.2%0.065%
2/18/2026Ikarian Capital LLC800,000$4.30M0.3%N/A0.450%
2/18/2026Virtus Investment Advisers LLC51,556$277K0.1%N/A0.029%
2/18/2026SummitTX Capital L.P.81,449$437K0.0%N/A0.046%
2/18/2026Tang Capital Management LLC16,790,809$90.17M4.5%-0.1%9.440%
2/18/2026Suvretta Capital Management LLC14,182,379$76.16M1.6%+0.6%7.974%
2/18/2026 Quadrature Capital Ltd12,293$66K0.0%-74.1%0.007%
2/18/2026Millennium Management LLC3,109,286$16.70M0.0%-4.0%1.748%
2/18/2026Balyasny Asset Management L.P.1,593,275$8.56M0.0%-43.6%0.896%
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2/18/2026Boothbay Fund Management LLC205,024$1.10M0.0%N/A0.115%
2/18/2026BVF Inc. IL7,764,842$41.70M1.4%+63.5%4.366%
2/17/2026Logos Global Management LP1,150,000$6.18M0.4%-43.9%0.647%
2/17/2026ADAR1 Capital Management LLC139,000$746K0.1%+178.0%0.078%
2/17/2026Schonfeld Strategic Advisors LLC452,442$2.43M0.0%-5.0%0.254%
2/17/2026AQR Capital Management LLC155,218$834K0.0%+162.4%0.087%
2/17/2026Braidwell LP2,786,778$14.97M0.5%N/A1.567%
2/17/2026 Abel Hall LLC22,882$123K0.0%N/A0.013%
2/17/2026Price T Rowe Associates Inc. MD70,488$379K0.0%+24.6%0.040%
2/17/2026Rock Springs Capital Management LP3,927,202$21.09M1.1%-12.2%2.208%
2/17/2026Adage Capital Partners GP L.L.C.4,436,500$23.82M0.0%-14.5%2.494%
2/17/2026 Russell Investments Group Ltd.11,558$62K0.0%+48.5%0.006%
2/17/2026Atom Investors LP77,281$415K0.0%-27.6%0.043%
2/17/2026State of Wisconsin Investment Board185,423$996K0.0%+347.9%0.104%
2/17/2026Graham Capital Management L.P.53,427$287K0.0%N/A0.030%
2/17/2026 Persistent Asset Partners Ltd57,253$307K0.1%N/A0.032%
2/16/2026Squarepoint Ops LLC126,192$678K0.0%+43.6%0.071%
2/16/2026Sofinnova Investments Inc.3,365,446$18.07M0.7%+65.9%1.892%
2/16/2026NEXTBio Capital Management LP1,114,005$5.98M3.5%N/A0.626%
2/16/2026Barclays PLC594,776$3.19M0.0%+167.4%0.334%
2/13/2026Marshall Wace LLP1,263,647$6.79M0.0%N/A0.710%
2/13/2026The Manufacturers Life Insurance Company 40,325$217K0.0%+21.6%0.023%
2/13/2026Stifel Financial Corp23,973$129K0.0%N/A0.013%
2/13/2026Rafferty Asset Management LLC151,743$815K0.0%+113.8%0.085%
2/13/2026Birchview Capital LP1,592,938$8.55M5.0%+82.5%0.896%
2/13/2026Charles Schwab Investment Management Inc.410,157$2.20M0.0%+22.3%0.231%
2/13/2026 Police & Firemen s Retirement System of New Jersey35,503$191K0.0%+25.3%0.020%
2/13/2026 State Street Corp4,890,525$26.26M0.0%+57.4%2.750%
2/13/2026 Caitong International Asset Management Co. Ltd17,879$96K0.3%N/A0.010%
2/13/2026Wells Fargo & Company MN144,798$778K0.0%+112.4%0.081%
2/12/2026Jane Street Group LLC70,063$376K0.0%+57.5%0.039%
2/12/2026MetLife Investment Management LLC73,985$397K0.0%+26.8%0.042%
2/12/2026Dimensional Fund Advisors LP341,596$1.84M0.0%+94.6%0.192%
2/12/2026EntryPoint Capital LLC13,163$71K0.0%N/A0.007%
2/12/2026 Alps Advisors Inc.146,040$784K0.0%+75.9%0.082%
2/12/2026Monashee Investment Management LLC1,000,000$5.37M3.0%-20.0%0.562%
2/12/2026Nuveen LLC288,924$1.55M0.0%+11.5%0.162%
2/12/2026Xponance LLC10,201$55K0.0%N/A0.006%
2/12/2026 SmartHarvest Portfolios LLC34,715$186K0.1%N/A0.020%
2/11/2026 Deutsche Bank AG109,273$587K0.0%+14.1%0.061%
2/11/2026 LPL Financial LLC44,470$239K0.0%+4.7%0.025%
2/11/2026Franklin Resources Inc.66,607$358K0.0%N/A0.037%
2/11/2026JPMorgan Chase & Co.870,014$4.67M0.0%-56.5%0.489%
2/10/2026Goldman Sachs Group Inc.1,517,415$8.15M0.0%+46.0%0.853%
2/10/2026 AXQ Capital LP41,378$222K0.1%N/A0.023%
2/10/2026 Welch & Forbes LLC19,000$102K0.0%+26.7%0.011%
2/9/2026Geode Capital Management LLC3,502,526$18.81M0.0%+19.0%1.969%
2/9/2026Royce & Associates LP285,988$1.54M0.0%N/A0.161%
2/9/2026Blue Owl Capital Holdings LP3,466,525$18.62M1.4%+33.8%1.949%
2/6/2026 Atle Fund Management AB584,332$3.14M1.0%N/A0.329%
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2/6/2026ProShare Advisors LLC23,972$129K0.0%+41.0%0.013%
2/2/2026CM Management LLC100,000$537K0.5%-33.3%0.056%
1/30/2026 Simplicity Wealth LLC33,869$182K0.0%-8.5%0.019%
1/30/2026 M&T Bank Corp14,894$80K0.0%N/A0.008%
1/28/2026 M&T Bank Corp764,229$4.10M0.0%N/A0.430%
1/21/2026 Flagship Harbor Advisors LLC6,000$32K0.0%N/A0.003%
1/16/2026 Tema Etfs LLC100,176$538K0.0%N/A0.056%
1/12/2026 Avanza Fonder AB27,347$147K0.0%N/A0.015%
1/9/2026 SG Americas Securities LLC106,533$572K0.0%-28.7%0.060%
1/1/2026JPMorgan Chase & Co.1,999,278$7.00M0.0%-5.9%1.124%


CMPX Institutional Ownership - Frequently Asked Questions

During the previous two years, 139 institutional investors and hedge funds held shares of Compass Therapeutics. The most heavily invested institutionals were Tang Capital Management LLC ($90.17M), Suvretta Capital Management LLC ($76.16M), BVF Inc. IL ($41.70M), Orbimed Advisors LLC ($39.57M), Vivo Capital LLC ($33.41M), State Street Corp ($26.26M), and Vanguard Group Inc. ($24.72M).Learn more on Compass Therapeutics' institutional investors.

68.43% of Compass Therapeutics' stock is owned by institutional investors. Learn more on CMPX's institutional investor holdings.

Of the 120 institutional investors that purchased Compass Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: BlackRock Inc. ($11.28M), Enavate Sciences GP LLC ($7.79M), Suvretta Capital Management LLC ($7.03M), Vivo Capital LLC ($5.99M), Tang Capital Management LLC ($4.09M), BVF Inc. IL ($3.01M), and MPM Bioimpact LLC ($2.93M).

Institutional investors have bought a total of 58,414,815 shares in the last 24 months. This purchase volume represents approximately $226.23M in transactions.

Of the 31 institutional investors that sold Compass Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Orbimed Advisors LLC ($7.14M), MPM Bioimpact LLC ($2.82M), JPMorgan Chase & Co. ($1.44M), Balyasny Asset Management L.P. ($1.23M), Rock Springs Capital Management LP ($1.17M), Monashee Investment Management LLC ($991.14K), and Logos Global Management LP ($900K).

Institutional investors have sold a total of 17,880,795 shares in the last 24 months. This volume of shares sold represents approximately $65.27M in transactions.


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Institutional ownership data for NASDAQ:CMPX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 8/7/2026. New 13F filings are added each quarter as they're published.
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