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Compass Therapeutics, Inc.

CMPX
Exchange
Nasdaq
Industry
Biological Products, (No Diagnostic Substances)
SEC CIK
0001738021

In the last 90 days, Compass Therapeutics, Inc. insiders filed 1 open-market purchase and 0 sales; 215 institutions reported holding it in 13F filings for Q2 2026, worth $363.4M in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding Compass Therapeutics, Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of CMPX: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders76177+2
Shares89.7M2.83M86.1M−779.0K (−0.9%)
Value$176.7M$5.57M$134.3M−$36.8M (−21.5%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (15)

Institutions that held Compass Therapeutics, Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to CMPX in Q4 2023
InstitutionSharesValue% of portfolio
Blue Owl Capital Holdings LP2,829,712$4.41M1.06%
Element Capital Management LLC293,888$458.5K1.55%
Pennant Investors, LP199,000$310.4K0.10%
Citadel Advisors LLC166,137$259.2K0.00%
CM Management, LLC125,000$195.0K0.16%
Squarepoint Ops LLC88,720$138.4K0.00%
Jane Street Group, LLC83,085$129.6K0.00%
Susquehanna International Group, LLP65,852$102.7K0.00%
HSBC Holdings PLC32,145$47.9K0.00%
Virtu Financial LLC28,054$44.0K0.00%
Wexford Capital LP12,700$19.8K0.00%
Victory Capital Management Inc11,031$17.2K0.00%
Federated Hermes, Inc.3,541$5.52K0.00%
Nisa Investment Advisors, LLC65$1010.00%
CWM, LLC158$00.00%

Sold out (13)

Institutions that held Compass Therapeutics, Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of CMPX in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Foresite Capital Management V, LLC1,246,977$2.46M
Prosight Management, LP935,157$1.84M
Swiss National Bank163,400$321.9K
Alps Advisors Inc94,115$185.4K
Credit Suisse AG73,368$144.5K
Algert Global LLC33,963$66.9K
Salem Investment Counselors Inc30,000$59.1K
Zurcher Kantonalbank (Zurich Cantonalbank)24,314$47.9K
Arizona State Retirement System21,612$42.6K
Teacher Retirement System of Texas21,566$42.0K
Verition Fund Management LLC15,515$30.6K
Stifel Financial Corp15,000$29.6K
Flagship Harbor Advisors, LLC11,000$21.7K

Not filed for Q4 2023 yet (1)

Institutions that held Compass Therapeutics, Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CMPX in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
CHI Advisors LLC2,829,712$5.57M