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

Q: What does CUSIP 20454B104 represent in this 13F holders report?

CUSIP 20454B104 is the security identifier for CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share used to aggregate holder disclosures.

Q: How many institutions held CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share in Q2 2023?

72 institutional investors reported CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q2 2023. Use the holders table for investor-level position and value details.

CUSIP: 20454B104

Q2 2023 13F Holders as of 30 Jun 2023

Type / Class: Equity / Common Stock, $0.0001 par value per share
Shares outstanding: 180,577,721
Total 13F shares: 90,478,972
Share change: +8,915,303
Total reported value: $287,651,504
Price per share: $3.18
Number of holders: 72
Value change: +$28,216,829
Number of buys: 43
Number of sells: 43

Security key

20454B104

Report period

Q2 2023

Institutions

Top holders

CMPX full security history Ownership snapshot Full 13F holder table Newer quarter: Q3 2023 Previous quarter: Q1 2023 Compass Therapeutics, Inc. SEC filings Compass Therapeutics, Inc. company facts

Broader feeds

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

Reporting periods

Holder history for CUSIP 20454B104

Newer quarter: Q3 2023 Previous quarter: Q1 2023

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders 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

ORBIMED ADVISORS LLC

13D/G signal

—

Evidence rows

Latest as of

31 Mar 2023

13F Lead comparable stake: 12% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
ORBIMED ADVISORS LLC	13F Company 13F	12%	$73,126,520 22,362,850 shares	—	31 Mar 2023
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F Company 13F	3.5%	$20,437,500 6,250,000 shares	—	31 Mar 2023
JANUS HENDERSON GROUP PLC	13F Company 13F	3.3%	$19,616,292 6,004,473 shares	—	31 Mar 2023
FMR LLC	13F Company 13F	3.1%	$18,577,106 5,681,072 shares	—	31 Mar 2023
Rock Springs Capital Management LP	13F Company 13F	3.1%	$18,030,087 5,513,788 shares	—	31 Mar 2023
Blackstone Inc.	13F Company 13F	2.6%	$15,110,663 4,620,998 shares	—	31 Mar 2023
VANGUARD GROUP INC	13F Company 13F	2%	$12,064,095 3,689,326 shares	—	31 Mar 2023
Vivo Capital, LLC	13F Company 13F	2%	$11,628,195 3,556,023 shares	—	31 Mar 2023

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Foresite Capital Management V, LLC	13F Company 13F	1.9%	$11,381,964 3,480,723 shares	—	31 Mar 2023
BRAIDWELL LP	13F Company 13F	1.8%	$10,620,460 3,247,847 shares	—	31 Mar 2023
CHI Advisors LLC	13F Company 13F	1.6%	$9,253,158 2,829,712 shares	—	31 Mar 2023
Monashee Investment Management LLC	13F Company 13F	1.2%	$7,118,927 2,177,042 shares	—	31 Mar 2023
Avidity Partners Management LP	13F Company 13F	1%	$5,967,750 1,825,000 shares	—	31 Mar 2023
BAKER BROS. ADVISORS LP	13F Company 13F	0.86%	$5,093,450 1,557,630 shares	—	31 Mar 2023
BlackRock Finance, Inc.	13F Company 13F	0.85%	$5,038,726 1,540,895 shares	—	31 Mar 2023
MILLENNIUM MANAGEMENT LLC	13F Company 13F	0.54%	$3,199,000 978,403 shares	—	31 Mar 2023
GEODE CAPITAL MANAGEMENT, LLC	13F Company 13F	0.49%	$2,889,251 883,563 shares	—	31 Mar 2023
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F Company 13F	0.43%	$2,559,158 782,617 shares	—	31 Mar 2023
Prosight Management, LP	13F Company 13F	0.38%	$2,218,041 678,300 shares	—	31 Mar 2023
FRED ALGER MANAGEMENT, LLC	13F Company 13F	0.22%	$1,318,013 403,062 shares	—	31 Mar 2023
STATE STREET CORP	13F Company 13F	0.22%	$1,315,564 402,313 shares	—	31 Mar 2023
JANE STREET GROUP, LLC	13F Company 13F	0.21%	$1,250,399 382,385 shares	—	31 Mar 2023
CAXTON CORP	13F Company 13F	0.12%	$675,451 211,740 shares	—	31 Mar 2023
GOLDMAN SACHS GROUP INC	13F Company 13F	0.11%	$649,167 198,522 shares	—	31 Mar 2023
NORTHERN TRUST CORP	13F Company 13F	0.1%	$605,941 185,303 shares	—	31 Mar 2023
Swiss National Bank	13F Company 13F	0.09%	$534,318 163,400 shares	—	31 Mar 2023
Qube Research & Technologies Ltd	13F Company 13F	0.09%	$531,780 162,624 shares	—	31 Mar 2023
MORGAN STANLEY	13F Company 13F	0.09%	$523,409 160,064 shares	—	31 Mar 2023
LMR Partners LLP	13F Company 13F	0.08%	$477,986 146,173 shares	—	31 Mar 2023
CITIGROUP INC	13F Company 13F	0.08%	$467,417 142,941 shares	—	31 Mar 2023
DAFNA Capital Management LLC	13F Company 13F	0.06%	$382,204 116,882 shares	—	31 Mar 2023
BANK OF AMERICA CORP /DE/	13F Company 13F	0.05%	$307,314 93,980 shares	—	31 Mar 2023
STATE OF WISCONSIN INVESTMENT BOARD	13F Company 13F	0.04%	$223,539 69,856 shares	—	31 Mar 2023
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F Company 13F	0.04%	$217,102 66,392 shares	—	31 Mar 2023
MARSHALL WACE, LLP	13F Company 13F	0.04%	$213,129 65,177 shares	—	31 Mar 2023
CREDIT SUISSE AG/	13F Company 13F	0.03%	$190,180 58,159 shares	—	31 Mar 2023
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.03%	$171,000 52,300 shares	—	31 Mar 2023
Cubist Systematic Strategies, LLC	13F Company 13F	0.03%	$168,654 51,576 shares	—	31 Mar 2023
CITADEL ADVISORS LLC	13F Company 13F	0.02%	$145,384 44,460 shares	—	31 Mar 2023
WEDBUSH SECURITIES INC	13F Company 13F	0.02%	$142,000 43,444 shares	—	31 Mar 2023
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F Company 13F	0.02%	$139,848 42,767 shares	—	31 Mar 2023
BARCLAYS PLC	13F Company 13F	0.02%	$134,024 40,986 shares	—	31 Mar 2023
Bank of New York Mellon Corp	13F Company 13F	0.02%	$128,531 39,306 shares	—	31 Mar 2023
683 Capital Management, LLC	13F Company 13F	0.02%	$124,388 38,039 shares	—	31 Mar 2023
SALEM INVESTMENT COUNSELORS INC	13F Company 13F	0.02%	$98,100 30,000 shares	—	31 Mar 2023
Jump Financial, LLC	13F Company 13F	0.02%	$89,304 27,310 shares	—	31 Mar 2023
BOOTHBAY FUND MANAGEMENT, LLC	13F Company 13F	0.01%	$88,110 26,945 shares	—	31 Mar 2023
BALYASNY ASSET MANAGEMENT L.P.	13F Company 13F	0.01%	$87,728 26,828 shares	—	31 Mar 2023
Diametric Capital, LP	13F Company 13F	0.01%	$85,762 26,227 shares	—	31 Mar 2023
New Capital Management LP	13F Company 13F	0.01%	$79,275 24,243 shares	—	31 Mar 2023

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 Q2 2023

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

Institutions

90,478,972

Rows loaded

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. An asterisk next to the price means the price is likely invalid.

Compare Q2 2023 vs Q1 2023 Across Filers

Q1 2023 holders

Q2 2023 holders

Holder diff

Investor	Q1 2023 Shares	Q2 2023 Shares	Share Diff	Share Chg %	Q1 2023 value	Q2 2023 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend