Compass Therapeutics Ownership | Who Owns Compass Therapeutics?

Compass Therapeutics Ownership Summary

Compass Therapeutics is owned by 78.27% institutional investors, 11.42% insiders, and 10.32% retail investors. Orbimed advisors is the largest institutional shareholder, holding 11.01% of CMPX shares. Biotech Growth Ord is the top mutual fund, with 2.58% of its assets in Compass Therapeutics shares.

CMPX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Compass Therapeutics	78.27%	11.42%	10.32%
Sector	Healthcare Stocks	486.50%	11.08%	-397.59%
Industry	Biotech Stocks	304.14%	11.08%	-215.23%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Orbimed advisors	15.22M	11.01%	$39.57M
Tang capital management	13.50M	9.76%	$35.09M
Blackstone	10.03M	7.25%	$26.07M
Suvretta capital management	7.15M	5.17%	$18.59M
Blackrock	6.61M	4.84%	$6.61M
Blackrock funding, inc. /de	6.41M	4.64%	$16.67M
Vivo capital	6.04M	4.37%	$15.71M
Bioimpact capital	5.62M	4.07%	$14.62M
Rock springs capital management lp	4.96M	3.59%	$12.90M
Vanguard group	4.72M	3.43%	$6.84M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bioimpact capital	5.62M	2.53%	$14.62M
Blue owl capital lp	2.59M	2.17%	$6.74M
Tang capital management	13.50M	1.77%	$35.09M
Vivo capital	6.04M	1.61%	$15.71M
Caxton	43.47K	1.15%	$113.01K
Orbimed advisors	15.22M	0.99%	$39.57M
Rock springs capital management lp	4.96M	0.80%	$12.90M
Silverarc capital management	1.25M	0.60%	$3.25M
Suvretta capital management	7.15M	0.56%	$18.59M
Dafna capital management	526.66K	0.38%	$1.37M

Top Buyers

Holder	Shares	% Assets	Change
Suvretta capital management	7.15M	0.56%	7.15M
Vivo capital	6.04M	1.61%	2.49M
Tang capital management	13.50M	1.77%	2.44M
Caption management	725.51K	0.02%	725.51K
Blackrock	6.61M	0.00%	581.17K

Top Sellers

Holder	Shares	% Assets	Change
Orbimed advisors	15.22M	0.99%	-7.14M
Opaleye management	-	-	-3.17M
Bioimpact capital	5.62M	2.53%	-2.82M
Cormorant asset management, lp	-	-	-2.03M
Janus henderson group	-	-	-1.84M

New Positions

Holder	Shares	% Assets	Change	Value
Suvretta capital management	7.15M	0.56%	7.15M	$18.59M
Caption management	725.51K	0.02%	725.51K	$1.89M
Alps advisors	74.60K	0.00%	74.60K	$193.95K
Hrt financial lp	60.78K	0.00%	60.78K	$158.00K
Lpl financial	50.00K	-	50.00K	$50.00K

Sold Out

Holder	Change
Ifp advisors	-16.00
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

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	105	-18.60%	108,229,435	-0.20%	78	1.26%	42	-37.31%	43	48.28%
Mar 31, 2025	10	-89.01%	39,938,686	-60.60%	29	0.53%	5	-91.07%	2	-88.24%
Dec 31, 2024	80	1.27%	44,181,101	-52.07%	32	0.72%	52	30.00%	13	-31.58%
Sep 30, 2024	79	-2.47%	92,186,861	-0.73%	67	1.46%	40	-14.89%	19	11.76%
Jun 30, 2024	81	3.85%	92,861,661	-1.80%	67	1.23%	47	74.07%	17	-51.43%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Biotech Growth Ord	3.57M	2.58%	-
Vanguard Total Stock Mkt Idx Inv	2.56M	1.86%	-56.41K
iShares Russell 2000 ETF	2.24M	1.62%	-42.52K
Vanguard US Total Market Shares ETF	2.19M	1.58%	-
JPMorgan Small Cap Value I	1.31M	0.95%	-11.03K
Vanguard Institutional Extnd Mkt Idx Tr	1.06M	0.77%	-445.10K
Fidelity Small Cap Index	1.04M	0.75%	-5.01K
Simplify Propel Opportunities ETF	720.00K	0.52%	600.00K
Fidelity Extended Market Index	540.67K	0.39%	-1.41K
Janus Henderson Hrzn Biotec E2 USD	534.18K	0.39%	-1.42K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 27, 2025	Schuetz Thomas J.	CHIEF EXECUTIVE OFFICER	Buy	$21.10K
Apr 09, 2025	GORDON CARL L		Sell	$5.68M
Apr 09, 2025	ORBIMED ADVISORS LLC		Sell	$5.68M
Apr 07, 2025	Anderman Jonathan	Gen Counsel & Corporate Sec	Buy	$30.80K
Apr 07, 2025	Lerner Neil	CHIEF ACCOUNTING OFFICER	Buy	$28.40K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	3	2
2025 Q1	-	-
2024 Q4	-	-
2024 Q3	-	-
2024 Q1	-	-

CMPX Ownership FAQ

Who Owns Compass Therapeutics?

Compass Therapeutics shareholders are primarily institutional investors at 78.27%, followed by 11.42% insiders and 10.31% retail investors. The average institutional ownership in Compass Therapeutics's industry, Biotech Stocks , is 304.14%, which Compass Therapeutics falls below.

Who owns the most shares of Compass Therapeutics?

Compass Therapeutics’s largest shareholders are Orbimed advisors (15.22M shares, 11.01%), Tang capital management (13.5M shares, 9.76%), and Blackstone (10.03M shares, 7.25%). Together, they hold 28.02% 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?

Bioimpact capital is Compass Therapeutics’s biggest shareholder by percentage of total assets invested, with 2.53% of its assets in 5.62M Compass Therapeutics shares, valued at 14.62M$.

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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