Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
176M
Number of holders
121
Total 13F shares, excl. options
151M
Shares change
+42.8M
Total reported value, excl. options
$529M
Value change
+$150M
Put/Call ratio
0
Number of buys
70
Number of sells
-41
Price
$3.50

Significant Holders of Compass Therapeutics, Inc. - Common Stock, par value $0.0001 per share (CMPX) as of Q3 2025

136 filings reported holding CMPX - Compass Therapeutics, Inc. - Common Stock, par value $0.0001 per share as of Q3 2025.
Compass Therapeutics, Inc. - Common Stock, par value $0.0001 per share (CMPX) has 121 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 151M shares of 176M outstanding shares and own 85.63% of the company stock.
Largest 10 shareholders include TANG CAPITAL MANAGEMENT LLC (16.8M shares), ORBIMED ADVISORS LLC (15.2M shares), SUVRETTA CAPITAL MANAGEMENT, LLC (14.1M shares), Blackstone Inc. (9.84M shares), Vivo Capital, LLC (9.55M shares), ENAVATE SCIENCES GP, LLC (7.79M shares), BlackRock, Inc. (7.37M shares), VANGUARD GROUP INC (7.06M shares), ADAGE CAPITAL PARTNERS GP, L.L.C. (5.19M shares), and MPM BIOIMPACT LLC (5.08M shares).
This table shows the top 121 institutional shareholders of the company equity. This data is sourced directly from the SEC via 13F filings.
Investor Option Weight % Change % Value $ * Price $ Shares Share Change Activity Report Period
* 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.