Compass Therapeutics Ownership | Who Owns Compass Therapeutics?

Compass Therapeutics Ownership Summary

Compass Therapeutics is owned by 32.11% institutional investors, 18.17% insiders, and 49.72% retail investors. Orbimed advisors is the largest institutional shareholder, holding 16.25% 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	32.11%	18.17%	49.72%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Orbimed advisors	22.36M	16.25%	$32.43M
Blackstone	10.03M	7.29%	$14.54M
Bioimpact capital	8.57M	6.23%	$12.42M
Blackrock funding, inc. /de	6.89M	5.01%	$9.99M
Blackrock	6.61M	4.84%	$6.61M
Adage capital partners gp	5.99M	4.36%	$8.69M
Tang capital management	5.90M	4.29%	$8.55M
Rock springs capital management lp	5.78M	4.20%	$8.38M
Vanguard group	4.72M	3.43%	$6.84M
Fmr	4.14M	3.01%	$6.00M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bioimpact capital	8.57M	1.76%	$12.42M
Blue owl capital lp	2.95M	0.99%	$4.28M
Orbimed advisors	22.36M	0.67%	$32.43M
Vivo capital	3.56M	0.58%	$5.16M
Tang capital management	5.90M	0.57%	$8.55M
Cm management	310.00K	0.40%	$449.50K
Caxton	43.47K	0.38%	$63.02K
Rock springs capital management lp	5.78M	0.32%	$8.38M
Monashee investment management	448.16K	0.09%	$649.84K
Blackstone	10.03M	0.07%	$14.54M

Top Buyers

Holder	Shares	% Assets	Change
Tang capital management	5.90M	0.57%	4.09M
Bioimpact capital	8.57M	1.76%	2.93M
Blackrock	6.61M	0.00%	581.17K
Vanguard group	4.72M	0.00%	435.01K
Jpmorgan chase	272.33K	-	227.86K

Top Sellers

Holder	Shares	% Assets	Change
Adage capital partners gp	5.99M	0.02%	-5.14M
Opaleye management	-	-	-3.17M
Cormorant asset management, lp	-	-	-2.03M
Janus henderson group	-	-	-1.84M
Pennant investors, lp	-	-	-199.00K

New Positions

Holder	Shares	% Assets	Change	Value
Lpl financial	50.00K	-	50.00K	$50.00K
Catalina capital group	48.96K	0.02%	48.96K	$71.00K
Cubist systematic strategies	40.70K	0.00%	40.70K	$40.70K
Sequoia financial advisors	30.88K	0.00%	30.88K	$44.77K
Mariner	20.67K	0.00%	20.67K	$29.98K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-16.00
Capital performance advisors llp	-172.00
Point72 asia (singapore) pte.	-391.00
Hartford financial management	-1.00K
Metropolitan life insurance co/ny	-1.93K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2024	78	2.63%	94,562,990	9.81%	74	1.62%	27	-20.59%	35	40.00%
Dec 31, 2023	76	-	86,111,899	-4.02%	67	1.35%	34	-10.53%	25	31.58%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Biotech Growth Ord	3.57M	2.58%	-
iShares Russell 2000 ETF	2.76M	1.99%	-23.93K
Vanguard Total Stock Mkt Idx Inv	2.61M	1.89%	-
Vanguard US Total Market Shares ETF	2.19M	1.58%	-
Vanguard Institutional Extnd Mkt Idx Tr	1.50M	1.09%	62.94K
JPMorgan Small Cap Value I	1.29M	0.93%	556.95K
Fidelity Small Cap Index	1.03M	0.75%	-19.33K
iShares Russell 2000 Value ETF	944.88K	0.68%	-
State St Russell Sm/Mid Cp® Indx NL Cl C	551.30K	0.40%	-
Fidelity Extended Market Index	542.74K	0.39%	-3.46K

Recent Insider Transactions

Date	Name	Role	Activity	Value
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
Mar 10, 2023	Schuetz Thomas J.	CHIEF EXECUTIVE OFFICER	Buy	$33.70K

Insider Transactions Trends

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

CMPX Ownership FAQ

Who Owns Compass Therapeutics?

Compass Therapeutics shareholders are primarily institutional investors at 32.11%, followed by 18.17% insiders and 49.72% retail investors. The average institutional ownership in Compass Therapeutics's industry, Biotech Stocks , is 68.48%, which Compass Therapeutics falls below.

Who owns the most shares of Compass Therapeutics?

Compass Therapeutics’s largest shareholders are Orbimed advisors (22.36M shares, 16.25%), Blackstone (10.03M shares, 7.29%), and Bioimpact capital (8.57M shares, 6.23%). Together, they hold 29.77% 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 1.76% of its assets in 8.57M Compass Therapeutics shares, valued at 12.42M$.

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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