Type / Class
Equity / Common Stock, $0.0001 par value per share
Shares outstanding
172M
Number of holders
103
Total 13F shares, excl. options
108M
Shares change
-213K
Total reported value, excl. options
$281M
Value change
+$738K
Put/Call ratio
137.69
Number of buys
43
Number of sells
-64
Price
$2.60

Significant Holders of Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX) as of Q2 2025

148 filings reported holding CMPX - Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share as of Q2 2025.
Compass Therapeutics, Inc. - Common Stock, $0.0001 par value per share (CMPX) has 103 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 108M shares of 172M outstanding shares and own 63.1% of the company stock.
Largest 10 shareholders include ORBIMED ADVISORS LLC (15.2M shares), TANG CAPITAL MANAGEMENT LLC (13.5M shares), Blackstone Inc. (10M shares), ENAVATE SCIENCES GP, LLC (7.79M shares), SUVRETTA CAPITAL MANAGEMENT, LLC (7.15M shares), BlackRock, Inc. (6.41M shares), Vivo Capital, LLC (6.04M shares), MPM BIOIMPACT LLC (5.62M shares), Rock Springs Capital Management LP (4.96M shares), and VANGUARD GROUP INC (4.85M shares).
This table shows the top 103 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.