Free Trial
→ A grave, grave error. (From Porter & Company) (Ad) Buy CMPX Stock  Free CMPX Stock Alerts

Compass Therapeutics (CMPX) Institutional Ownership

Compass Therapeutics logo
$2.10 -0.01 (-0.47%)
Closing price 05/28/2025 04:00 PM Eastern
Extended Trading
$2.18 +0.08 (+3.76%)
As of 05:53 AM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.
Compare

Institutional Ownership Changes (13F Filings) for Compass Therapeutics (NASDAQ:CMPX)

Current
Institutional Ownership
Percentage
68.43%
Number of
Institutional Buyers
(last 12 months)
48
Total
Institutional Inflows
(last 12 months)
$33.93M
Number of
Institutional Sellers
(last 12 months)
22
Total
Institutional Outflows
(last 12 months)
$21.05M
Get CMPX Insider Trade Alerts

Want to know when executives and insiders are buying or selling Compass Therapeutics stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily.

Skip Chart & View Institutional Buying and Selling Data

CMPX Institutional Buying and Selling by Quarter

Compass Therapeutics Major Shareholders & Ownership History

Export to Excel
Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
5/28/2025Strs Ohio17,900$34K0.0%N/A0.013%
5/16/2025 Goldman Sachs Group Inc.233,522$444K0.0%-40.2%0.169%
5/16/2025 Adage Capital Partners GP L.L.C.3,975,000$7.55M0.0%-33.7%2.875%
5/15/2025 Birchview Capital LP24,000$46K0.0%N/A0.017%
5/15/2025 MPM Bioimpact LLC8,442,783$16.04M2.8%-1.5%6.105%
5/15/2025 Baker BROS. Advisors LP547,498$1.04M0.0%-64.9%0.396%
5/15/2025 Propel Bio Management LLC228,317$434K0.5%N/A0.165%
5/14/2025 MetLife Investment Management LLC37,167$71K0.0%-41.1%0.027%
5/14/2025 Walleye Trading LLC25,000$48K0.0%N/A0.018%
5/14/2025 Walleye Capital LLC52,478$100K0.0%N/A0.038%
5/14/2025 Wellington Management Group LLP222,505$423K0.0%N/A0.161%
5/13/2025 American Century Companies Inc.73,682$140K0.0%N/A0.053%
5/12/2025 Nuveen LLC304,504$579K0.0%N/A0.220%
5/9/2025 Deutsche Bank AG102,041$194K0.0%N/A0.074%
5/9/2025 Charles Schwab Investment Management Inc.297,880$566K0.0%+4.1%0.215%
5/1/2025 New York State Common Retirement Fund30,407$58K0.0%-20.4%0.022%
4/29/2025 Bank of New York Mellon Corp243,565$463K0.0%+2.3%0.176%
4/28/2025 Vontobel Holding Ltd.29,882$57K0.0%N/A0.022%
4/21/2025 Catalina Capital Group LLC16,938$32K0.0%-65.4%0.012%
4/17/2025 Exchange Traded Concepts LLC54,207$103K0.0%-44.6%0.039%
4/15/2025 SG Americas Securities LLC940,784$1.79M0.0%+138.2%0.680%
4/15/2025 Simplicity Wealth LLC46,543$88K0.0%N/A0.034%
4/8/2025 Rhumbline Advisers120,029$228K0.0%-7.0%0.087%
2/17/2025 Squarepoint Ops LLC24,072$35K0.0%N/A0.017%
2/17/2025 Two Sigma Advisers LP51,000$74K0.0%-41.0%0.037%
2/17/2025 Two Sigma Investments LP145,238$211K0.0%-24.8%0.106%
2/17/2025 Tang Capital Management LLC5,900,000$8.56M0.6%+225.4%4.288%
2/17/2025 ProShare Advisors LLC28,722$42K0.0%+49.0%0.021%
2/17/2025 MPM Bioimpact LLC8,567,896$12.42M1.8%+51.9%6.227%
2/17/2025 Millennium Management LLC33,857$49K0.0%-80.0%0.025%
2/17/2025 Enavate Sciences GP LLC7,788,150$11.29M8.1%N/A5.660%
2/17/2025 DAFNA Capital Management LLC158,394$230K0.1%+35.5%0.115%
2/17/2025 Cantor Fitzgerald L. P.100,000$145K0.0%-44.4%0.073%
2/17/2025 Bank of America Corp DE113,020$164K0.0%+36.6%0.082%
2/17/2025 BNP Paribas Financial Markets18,562$27K0.0%N/A0.013%
2/14/2025 Monashee Investment Management LLC448,164$650K0.1%-10.4%0.326%
2/14/2025 Northern Trust Corp801,225$1.16M0.0%-5.1%0.582%
2/14/2025 Voya Investment Management LLC32,561$47K0.0%-13.5%0.024%
2/14/2025 Blue Owl Capital Holdings LP2,954,712$4.28M1.0%+2.6%2.147%
2/14/2025 Adage Capital Partners GP L.L.C.5,994,810$8.69M0.0%-46.1%4.357%
A grave, grave error. (Ad)

I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again.

Here’s the full story for you.
2/14/2025 Price T Rowe Associates Inc. MD46,942$69K0.0%+31.8%0.034%
2/14/2025 Rock Springs Capital Management LP5,779,575$8.38M0.3%+2.7%4.201%
2/14/2025 Tower Research Capital LLC TRC17,251$25K0.0%+298.0%0.013%
2/14/2025 MetLife Investment Management LLC63,141$92K0.0%+200.3%0.046%
2/13/2025 XTX Topco Ltd52,754$76K0.0%+160.9%0.038%
2/13/2025 Mariner LLC20,673$30K0.0%N/A0.015%
2/13/2025 Barclays PLC192,766$279K0.0%+13.2%0.140%
2/13/2025 Renaissance Technologies LLC278,600$404K0.0%+25.2%0.202%
2/13/2025 Invesco Ltd.39,483$57K0.0%+11.3%0.029%
2/13/2025 Wells Fargo & Company MN59,860$87K0.0%+27.8%0.044%
2/12/2025 Geode Capital Management LLC2,334,171$3.39M0.0%+1.1%1.696%
2/12/2025 Alliancebernstein L.P.21,440$31K0.0%-11.3%0.016%
2/12/2025 JPMorgan Chase & Co.272,328$395K0.0%+512.5%0.198%
2/11/2025 Corebridge Financial Inc.50,704$74K0.0%-7.0%0.037%
2/11/2025 LPL Financial LLC45,000$65K0.0%-10.0%0.033%
2/11/2025 Intech Investment Management LLC51,924$75K0.0%+218.7%0.038%
2/10/2025 Connor Clark & Lunn Investment Management Ltd.156,871$227K0.0%-32.4%0.114%
2/7/2025 Sequoia Financial Advisors LLC30,876$45K0.0%N/A0.022%
2/7/2025 Independent Advisor Alliance17,948$26K0.0%N/A0.013%
2/4/2025 Bank of New York Mellon Corp237,975$345K0.0%+2.6%0.173%
1/30/2025 Rhumbline Advisers129,116$187K0.0%+3.1%0.094%
1/27/2025 Bleakley Financial Group LLC39,993$58K0.0%+250.7%0.029%
1/24/2025 Catalina Capital Group LLC48,964$71K0.0%N/A0.036%
1/17/2025 SG Americas Securities LLC395,017$573K0.0%+921.6%0.287%
11/19/2024 Barclays PLC170,245$314K0.0%+195.4%0.124%
11/16/2024 Geode Capital Management LLC2,309,778$4.25M0.0%+0.8%1.679%
11/15/2024 Barclays PLC170,245$314K0.0%+195.4%0.124%
11/15/2024 XTX Topco Ltd20,221$37K0.0%N/A0.015%
11/15/2024 Jane Street Group LLC73,487$135K0.0%-52.0%0.053%
11/15/2024 Janus Henderson Group PLC1,843,286$3.36M0.0%-64.7%1.340%
11/13/2024 FMR LLC4,136,273$7.61M0.0%+0.1%3.006%
11/13/2024 The Manufacturers Life Insurance Company42,671$79K0.0%N/A0.031%
11/9/2024 Intech Investment Management LLC16,292$30K0.0%N/A0.012%
11/1/2024 Rovin Capital UT ADV13,495$25K0.0%N/A0.010%
10/10/2024 Exchange Traded Concepts LLC97,931$180K0.0%-12.6%0.071%
10/3/2024 SG Americas Securities LLC38,665$71K0.0%+16.6%0.028%
9/16/2024 Cubist Systematic Strategies LLC40,701$41K0.0%N/A0.030%
8/14/2024 Cubist Systematic Strategies LLC40,701$41K0.0%N/A0.030%
8/9/2024 Renaissance Technologies LLC140,600$141K0.0%+99.7%0.102%
8/8/2024 Ground Swell Capital LLC124,394$124K0.1%N/A0.090%
8/1/2024 Rhumbline Advisers131,789$132K0.0%+10.3%0.096%
7/29/2024 Panagora Asset Management Inc.68,268$68K0.0%N/A0.050%
7/26/2024 Bank of New York Mellon Corp283,938$284K0.0%+12.4%0.206%
5/29/2024 Opaleye Management Inc.3,170,000$6.28M1.4%N/A2.304%
5/16/2024 Janus Henderson Group PLC6,492,900$12.82M0.0%-0.8%4.719%
5/14/2024 CM Management LLC310,000$614K0.5%+148.0%0.225%
5/10/2024 Vanguard Group Inc.4,152,197$8.22M0.0%+1.7%3.018%
5/8/2024 Bleakley Financial Group LLC40,243$80K0.0%N/A0.029%
5/7/2024 SG Americas Securities LLC28,741$57K0.0%-39.7%0.021%
4/24/2024 Simplicity Wealth LLC40,243$80K0.0%N/A0.029%
A grave, grave error. (Ad)

I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again.

Here’s the full story for you.
2/14/2024 Braidwell LP317,761$496K0.0%-94.7%0.249%
2/14/2024 Pennant Investors LP199,000$310K0.1%N/A0.156%
2/14/2024 Pale Fire Capital SE181,055$282K0.0%+301.0%0.142%
2/12/2024 Monashee Investment Management LLC500,000$780K0.1%-59.2%0.392%
2/9/2024 Element Capital Management LLC293,888$458K1.6%N/A0.231%
1/12/2024 SG Americas Securities LLC47,624$74K0.0%+22.7%0.037%
1/5/2024 Exchange Traded Concepts LLC65,819$103K0.0%+34.0%0.052%
12/1/2023B. Riley Wealth Advisors Inc.50,000$98K0.0%+235.2%0.039%
11/15/2023 Adage Capital Partners GP L.L.C.6,380,000$12.57M0.0%+2.1%5.004%
11/14/2023 Blackstone Inc.6,189,551$12.19M0.1%+3.1%4.855%
(Data available from 1/1/2016 forward)

CMPX Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of CMPX shares?

During the previous two years, 81 institutional investors and hedge funds held shares of Compass Therapeutics. The most heavily invested institutionals were MPM Bioimpact LLC ($16.04M), Blackstone Inc. ($12.19M), Enavate Sciences GP LLC ($11.29M), Tang Capital Management LLC ($8.56M), Rock Springs Capital Management LP ($8.38M), Vanguard Group Inc. ($8.22M), and FMR LLC ($7.61M).Learn more on CMPX's institutional investors.

What percentage of Compass Therapeutics stock is owned by institutional investors?

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

Which institutional investors have been buying Compass Therapeutics stock?

Of the 62 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: Enavate Sciences GP LLC ($7.79M), Tang Capital Management LLC ($4.09M), Opaleye Management Inc. ($3.17M), MPM Bioimpact LLC ($2.93M), Braidwell LP ($2.71M), SG Americas Securities LLC ($955.26K), and Prosight Management LP ($405.70K).

How much institutional buying is happening at Compass Therapeutics?

Institutional investors have bought a total of 26,437,149 shares in the last 24 months. This purchase volume represents approximately $46.81M in transactions.

Which Compass Therapeutics major shareholders have been selling company stock?

Of the 30 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: Adage Capital Partners GP L.L.C. ($7.16M), Braidwell LP ($5.64M), Janus Henderson Group PLC ($3.43M), Foresite Capital Management V LLC ($2.23M), Monashee Investment Management LLC ($1.73M), Baker BROS. Advisors LP ($1.01M), and FMR LLC ($982.41K).

How much institutional selling is happening at Compass Therapeutics?

Institutional investors have sold a total of 23,374,046 shares in the last 24 months. This volume of shares sold represents approximately $42.90M in transactions.


Related Companies

This page (NASDAQ:CMPX) was last updated on 5/29/2025 by MarketBeat.com Staff
From Our Partners
White House to reset Social Security?
Elon Musk's parting DOGE gift looks set to shock America... A single announcement by July 22nd could soon b...
Altimetry | Sponsored
July 2025 Rule Change to Impact Retirement Investors
There's a massive change from a new rule going into effect this July. And it's one the Big Banks are alread...
Premier Gold Co | Sponsored
A grave, grave error.
I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we...
Porter & Company | Sponsored
Buffett’s favorite chart just hit 209% – here’s what that means for gold
A Historic Gold Announcement Is About to Rock Wall Street For months, sharp-eyed analysts have watched the ...
Golden Portfolio | Sponsored
Trump Exec Order 14179 is wealth “gift” to good Americans?
Is President Trump’s Executive Order 14179… A secret way to restore wealth for good citizens? If you’ve ...
Paradigm Press | Sponsored
This Signal Only Flashes Once Every 4 Years – And It Just Triggered
This same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...
Crypto Swap Profits | Sponsored
3..2..1.. AI 2.0 ignition (don’t sleep on this)
I just put together an urgent new presentation that you need to see right away. In short: I believe we are...
Timothy Sykes | Sponsored
Trump Predicts Dollar Downfall
READ THIS VERY CAREFULLY: If you have $100,000 or more saved for retirement, this may make you VERY angry... ...
Augusta Precious Metals | Sponsored