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Compass Therapeutics Ownership | Who Owns Compass Therapeutics?

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Compass Therapeutics Ownership Summary

Compass Therapeutics is owned by 41.89% institutional investors, 11.28% insiders, and 46.83% retail investors. Tang capital management is the largest institutional shareholder, holding 12.16% of CMPX shares. Biotech Growth Ord is the top mutual fund, with 2.58% of its assets in Compass Therapeutics shares.

CMPX Ownership Benchmark

TypeName% Inst% Insiders% Retail
StockCompass Therapeutics41.89%11.28%46.83%
SectorHealthcare Stocks 232.86%10.65%-143.51%
IndustryBiotech Stocks 382.13%10.41%-292.54%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Tang capital management16.81M12.16%$58.84M
Orbimed advisors15.22M11.01%$53.27M
Suvretta capital management14.10M10.20%$49.35M
Blackstone9.84M7.12%$34.44M
Vivo capital9.55M6.90%$33.41M
Blackrock funding, inc. /de9.39M6.79%$50.42M
Vanguard group8.05M5.82%$43.22M
Enavate sciences gp7.79M5.63%$27.26M
Blackrock6.61M4.84%$6.61M
Adage capital partners gp5.19M3.75%$18.15M

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Enavate sciences gp7.79M8.32%$27.26M
Caxton29.50K3.70%$158.39K
Acuta capital partners840.09K3.04%$2.94M
Monashee investment management1.00M3.03%$5.37M
Bioimpact capital5.08M2.91%$17.77M
Vivo capital9.55M2.69%$33.41M
Birchview capital, lp872.94K2.31%$3.06M
Tang capital management16.81M2.27%$58.84M
Blue owl capital lp3.47M1.39%$18.62M
Suvretta capital management14.10M1.26%$49.35M

Top Buyers

HolderShares% AssetsChange
Suvretta capital management14.10M1.26%6.95M
Bvf inc/il4.75M0.67%4.75M
Vivo capital9.55M2.69%3.50M
Tang capital management16.81M2.27%3.32M
Rtw investments, lp2.50M0.11%2.50M

Top Sellers

HolderShares% AssetsChange
Opaleye management---3.17M
Cormorant asset management, lp---2.03M
Janus henderson group---1.84M
Silverarc capital management1.05M0.78%-1.78M
Jpmorgan chase870.01K0.00%-1.13M

New Positions

HolderShares% AssetsChangeValue
Bvf inc/il4.75M0.67%4.75M$16.63M
Rtw investments, lp2.50M0.11%2.50M$8.75M
Logos global management lp2.05M0.64%2.05M$7.17M
Sofinnova investments2.03M0.39%2.03M$7.10M
Fisher asset management1.35M0.00%1.35M$7.13M

Sold Out

HolderChange
Clearstead advisors-4.00
Nelson, van denburg & campbell wealth management group-16.00
True wealth design-20.00
Us bancorp \de\-65.00
Capital performance advisors llp-172.00

Institutional Ownership Trends

DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Dec 31, 2025107-15.75%57,926,851-61.65%410.35%772.67%16-48.39%
Sep 30, 202512215.09%151,030,99039.52%1091.78%7062.79%31-27.91%
Jun 30, 2025105-18.60%108,229,435-0.20%781.26%42-37.31%4348.28%
Mar 31, 202510-89.01%39,938,686-60.60%290.53%5-91.07%2-88.24%
Dec 31, 2024801.27%44,181,101-52.07%320.72%5230.00%13-31.58%

Top Mutual Funds Shareholders

HolderShares% HoldingChange
Biotech Growth Ord3.57M2.58%-
Vanguard Total Stock Mkt Idx Inv4.19M2.33%-
State Street® SPDR® S&P® Biotech ETF4.00M2.22%-40.58K
iShares Russell 2000 ETF3.04M1.69%25.61K
Vanguard US Total Market Shares ETF2.19M1.58%-
Vanguard Institutional Extnd Mkt Idx Tr1.71M0.95%35.44K
Fidelity Small Cap Index1.28M0.71%11.94K
Simplify Propel Opportunities ETF720.00K0.52%600.00K
Russell 2000 Equity Index Fund B822.95K0.46%219.10K
Fidelity Extended Market Index816.28K0.45%10.70K

Recent Insider Transactions

DateNameRoleActivityValue
Apr 29, 2026Lerner Neil Chief Accounting OfficerBuy$28.35K
Apr 29, 2026Anderman Jonathan General CounselBuy$47.25K
May 27, 2025Schuetz Thomas J. CHIEF EXECUTIVE OFFICERBuy$21.10K
Apr 09, 2025GORDON CARL L Sell$5.68M
Apr 09, 2025ORBIMED ADVISORS LLC Sell$5.68M

Insider Transactions Trends

DateBuySell
2026 Q22-
2026 Q1--
2025 Q4--
2025 Q232
2025 Q1--

CMPX Ownership FAQ

Who Owns Compass Therapeutics?

Compass Therapeutics shareholders are primarily institutional investors at 41.89%, followed by 11.28% insiders and 46.83% retail investors. The average institutional ownership in Compass Therapeutics's industry, Biotech Stocks , is 382.13%, which Compass Therapeutics falls below.

Who owns the most shares of Compass Therapeutics?

Compass Therapeutics’s largest shareholders are Tang capital management (16.81M shares, 12.16%), Orbimed advisors (15.22M shares, 11.01%), and Suvretta capital management (14.1M shares, 10.20%). Together, they hold 33.36% of Compass Therapeutics’s total shares outstanding.

Does Blackrock own Compass Therapeutics?

Yes, BlackRock owns 4.84% of Compass Therapeutics, totaling 6.61M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 6.61M$. In the last quarter, BlackRock increased its holdings by 581.17K shares, a 9.63% change.

Who is Compass Therapeutics’s biggest shareholder by percentage of total assets invested?

Enavate sciences gp is Compass Therapeutics’s biggest shareholder by percentage of total assets invested, with 8.32% of its assets in 7.79M Compass Therapeutics shares, valued at 27.26M$.

Who is the top mutual fund holder of Compass Therapeutics shares?

Biotech Growth Ord is the top mutual fund holder of Compass Therapeutics shares, with 2.58% of its total shares outstanding invested in 3.57M Compass Therapeutics shares.

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