Who Owns CMPX?

Compass Therapeutics, Inc. — Institutional Ownership & 13F Holdings

$1.70

+0.03 (+1.50%)

Market Cap

$695.6M

Shares Outstanding

138,286,301

Institutional Holders

107

Total Inst. Value

$203.5M

% of Float Held

112.1%

QoQ Holder Change

+36

Institutional data as of Q1 2025

New Positions

32

Closed Positions

12

Increased

28

Decreased

28

Institutional Ownership Trend

Top 10 Institutional Holders(Q1 2025)

#FundValueShares
1ORBIMED ADVISORS LLC$42.5M22,362,850
2TANG CAPITAL MANAGEMENT LLC$21.0M11,052,632
3Blackstone Inc.$19.0M10,025,151
4MPM BioImpact LLC$16.0M8,442,783
5Enavate Sciences GP, LLC$14.8M7,788,150
6BlackRock, Inc.$13.5M7,109,090
7Rock Springs Capital Management LP$9.4M4,962,955
8VANGUARD GROUP INC$9.2M4,838,006
9FMR LLC$7.9M4,134,287
10ADAGE CAPITAL PARTNERS GP, L.L.C.$7.6M3,975,000

Biggest Buyers & Sellers This Quarter

Top Buyers

FundShares AddedValue
TANG CAPITAL MANAGEMENT LLC+5.2M$21.0M
BlackRock, Inc.+221K$13.5M
VANGUARD GROUP INC+120K$9.2M
GEODE CAPITAL MANAGEMENT, LLC+31K$4.5M
JPMORGAN CHASE & CO+1.9M$4.2M

Famous Fund Managers

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Frequently Asked Questions

How many institutional investors hold CMPX?

As of Q1 2025, 107 institutional investors report holding CMPX (Compass Therapeutics, Inc.) in their 13F filings.

What percentage of Compass Therapeutics, Inc. is owned by institutions?

Institutional investors hold approximately 112.1% of Compass Therapeutics, Inc.'s float as reported in SEC 13F filings.

Which hedge fund owns the most CMPX?

The largest institutional holder of CMPX is ORBIMED ADVISORS LLC with $42.5M in shares.

Are institutions buying or selling CMPX?

This quarter, 32 institutions opened new positions in CMPX and 12 closed their positions.

What is 13F institutional ownership?

SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.

How often is institutional ownership data updated?

13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.