Compass Therapeutics, Inc. (CMPX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

168,782,000Shares Outstanding

170,528,509Shares held by institutions

$334,235,878Value of institutional holdings

101.03%Institutional ownership %

15.97%Shares Changed QoQ

167No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Compass Therapeutics, Inc. (NASDAQ:CMPX) has 167 institutional investors with active 13F positions as of December 2025.

These investors held 99.8% of outstanding shares in December 2025, up from 90.8% in September 2025.
Their total shares held in CMPX increased 14.85% quarter over quarter, and separately, investors owning Compass Therapeutics increased 81.52% from a year ago.
Among the 167 funds, 115 bought more Compass Therapeutics shares, 35 sold down, and 17 held their ground.
Institutional investors collectively held 168.44Mn shares in Compass Therapeutics as of December 2025, up by 21.78Mn shares quarter on quarter, and up 66.43Mn shares year over year.
As of December 31, 2025, the biggest holder of Compass Therapeutics is TEMA ETFS LLC at 138.28K shares, representing 0.08% of shares outstanding.
The biggest buyers of Compass Therapeutics for the quarter ending December 2025 included TEMA ETFS LLC (38.1K), PSP Research LLC (30.0K), E Fund Management Co., Ltd. (24.62K), Pictet Asset Management Holding SA (14.43K), GAMMA Investing LLC (195).
The largest sales of CMPX for the quarter ending December 2025 came from SG Americas Securities, LLC (58.86K), Fortitude Family Office, LLC (2.68K), Sterling Capital Management LLC (1.38K), Farther Finance Advisors, LLC (25), SmartHarvest Portfolios, LLC (2).
According to Business Quant data, leading holders of CMPX for December 2025 are TEMA ETFS LLC (138.28K), SG Americas Securities, LLC (47.67K), SmartHarvest Portfolios, LLC (34.71K), PSP Research LLC (30.0K), E Fund Management Co., Ltd. (24.62K), Pictet Asset Management Holding SA (14.43K), North Star Investment Management Corp. (12.5K), Sterling Capital Management LLC (2.44K), Fortitude Family Office, LLC (1.92K), Farther Finance Advisors, LLC (655).

167 Institutional Holders

170,528,509 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
TANG CAPITAL MANAGEMENT LLC	31 Dec, 2025	16,790,809	-21,154	-0.13%	$90,166,644.00
ORBIMED ADVISORS LLC	31 Dec, 2025	15,219,994	0	0.00%	$81,731,368.00
SUVRETTA CAPITAL MANAGEMENT, LLC	31 Dec, 2025	14,182,379	81,220	0.58%	$76,159,375.00
Vivo Capital, LLC	31 Dec, 2025	9,545,466	0	0.00%	$51,259,152.00
BlackRock, Inc.	31 Dec, 2025	9,388,624	2,017,877	27.38%	$50,416,912.00
VANGUARD GROUP INC	31 Dec, 2025	8,048,374	985,575	13.95%	$43,219,768.00
Enavate Sciences GP, LLC	31 Dec, 2025	7,788,150	0	0.00%	$41,822,366.00
BVF INC/IL	31 Dec, 2025	7,764,842	3,014,842	63.47%	$41,697,202.00
Blue Owl Capital Holdings LP	31 Dec, 2025	6,933,050	4,341,525	167.53%	$37,230,478.00
Blackstone Inc.	31 Dec, 2025	6,126,182	-3,713,926	-37.74%	$32,897,597.00
State Street Corp	31 Dec, 2025	4,890,525	1,784,012	57.43%	$26,262,119.00
ADAGE CAPITAL PARTNERS GP, L.L.C.	31 Dec, 2025	4,436,500	-750,000	-14.46%	$23,824,005.00
Rock Springs Capital Management LP	31 Dec, 2025	3,927,202	-547,500	-12.24%	$21,089,075.00
DEERFIELD MANAGEMENT COMPANY, L.P.	31 Dec, 2025	3,606,000	3,606,000	0.00%	$19,364,220.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	3,502,526	558,057	18.95%	$18,813,341.00
Sofinnova Investments, Inc.	31 Dec, 2025	3,365,446	1,336,560	65.88%	$18,072,445.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	3,109,286	-128,286	-3.96%	$16,696,866.00
Goldman Sachs Group Inc	31 Dec, 2025	3,034,830	1,995,159	191.90%	$16,297,038.00
BRAIDWELL LP	31 Dec, 2025	2,786,778	2,786,778	0.00%	$14,964,998.00
FMR LLC	31 Dec, 2025	2,579,711	-1,557,851	-37.65%	$13,853,048.00

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