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 Q4 2021?

37 institutional investors reported CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share for Q4 2021. Use the holders table for investor-level position and value details.

CUSIP: 20454B104

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Common Stock, $0.0001 par value per share
Shares outstanding: 180,181,824
Total 13F shares: 63,567,962
Share change: +62,457,625
Total reported value: $201,611,000
Price per share: $3.17
Number of holders: 37
Value change: +$198,091,000
Number of buys: 35

Quarterly Holders Quick Answers

What is CUSIP 20454B104?
CUSIP 20454B104 identifies CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share in SEC institutional holdings data.

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SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2022

Recent filing periods for CUSIP 20454B104:

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

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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Miranda Jayne Toledano	3/4/5	Director	— mixed-class rows	1,841,549 mixed-class rows	—	—	25 Jun 2021	3/4/5

Institutional Holders of Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX) as of Q4 2021

As of 31 Dec 2021, Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX) was held by 37 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 63,567,962 shares. The largest 10 holders included ORBIMED ADVISORS LLC, FMR LLC, Rock Springs Capital Management LP, Foresite Capital Management V, LLC, Consonance Capital Management LP, CHI Advisors LLC, Vivo Capital, LLC, Avidity Partners Management LP, Monashee Investment Management LLC, and RA CAPITAL MANAGEMENT, L.P.. This page lists 37 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2021 vs Q4 2025 Across Filers

Q4 2025 holders

170

Q4 2021 holders

Holder diff

-133

Investor	Q4 2025 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q4 2025 Value $	Q4 2021 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.