Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX)

CUSIP: 20454B104

Q4 2025 13F Holders as of 31 Dec 2025

Security identity
Security type / class
Equity / Common Stock, $0.0001 par value per share
Shares outstanding
180,577,721
Holder snapshot
Total 13F shares
164,168,134
Share change
+9,951,503
Total reported value
$881,588,986
Reported price per share
$5.37
Number of holders
174
Value change
+$65,007,494
Number of buys
114
Number of sells
44

Security key

20454B104

Report period

Q4 2025

Institutions

174

Top holders

10

CMPX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Compass Therapeutics, Inc. SEC filings Compass Therapeutics, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
TANG CAPITAL MANAGEMENT LLC
13D/G signal
TANG CAPITAL MANAGEMENT LLC
Evidence rows
15
Latest as of
31 Dec 2025
13D/G 13F Lead comparable stake: 10% 13D/G row: TANG CAPITAL MANAGEMENT LLC Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
TANG CAPITAL MANAGEMENT LLC
13D/G 13F
Company
13D/G 13F
10%
$60,117,785
17,176,510 shares
 +$12,881,057 30 Sep 2025
ORBIMED ADVISORS LLC
13F 13D/G
Company
13F 13D/G
8.9%
from 13D/G
$53,269,979
15,219,994 shares
 — 30 Sep 2025
SUVRETTA CAPITAL MANAGEMENT, LLC
13F 13D/G
Company
13F 13D/G
8.2%
from 13D/G
$49,354,057
14,101,159 shares
 — 30 Sep 2025
BlackRock, Inc.
13D/G 13F
Company
13D/G 13F
5.2%
$49,788,728
9,271,644 shares
 +$15,426,163 31 Dec 2025
Vivo Opportunity Fund Holdings, L.P.
13D/G
13D/G
5.1%
$31,485,926
8,995,979 shares
 $0 30 Sep 2025
Commander Aggregator, LP
13D/G
13D/G
4.5%
$24,610,554
7,788,150 shares
 $0 14 Aug 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
174
Shares
164,168,134
Rows available
174
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
124
Q4 2025 holders
174
Holder diff
50
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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