ORBIMED ADVISORS LLC

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

Symbol: CMPX on Nasdaq
Investment type: Equity / Common Stock, $0.0001 par value per share
Latest Disclosed Shares Owned: 15,219,994 shares
Security Ownership %: 8.9%

Shares, Excluding Options vs Price

Value, Excluding Options

ORBIMED ADVISORS LLC ownership in Compass Therapeutics, Inc. Common Stock, $0.0001 par value per share (CMPX)

15 Aug 2025 - ORBIMED ADVISORS LLC has filed an SCHEDULE 13D/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 15,219,994 shares of Compass Therapeutics, Inc. Common Stock, $0.0001 par value per share (CMPX). This represents 8.9% ownership of the company. In their previous filing dated 11 Apr 2025, ORBIMED ADVISORS LLC had reported owning 15,219,994 shares, indicating a new holding.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
ORBIMED ADVISORS LLC	8.9%	-19%	$41,093,984	15,219,994	0		$2.70	13D/A	13 Aug 2025	15 Aug 2025, 17:28
ORBIMED ADVISORS LLC	11%		$29,526,788	15,219,994			$1.94	13D/A	09 Apr 2024	11 Apr 2025, 19:21

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	1.7%	0%	$81,731,368	15,219,994	0		$5.37	Q4 2025
30 Sep 2025	1.3%	0%	$53,269,979	15,219,994	0		$3.50	Q3 2025
30 Jun 2025	1%	-0.47%	$39,571,984	15,219,994	-7,142,856	-32%	$2.60	Q2 2025
31 Mar 2025	1%	0%	$42,489,415	22,362,850	0		$1.90	Q1 2025
31 Dec 2024	0.68%	0%	$32,426,133	22,362,850	0		$1.45	Q4 2024
30 Sep 2024	0.75%	0%	$41,147,644	22,362,850	0		$1.84	Q3 2024
30 Jun 2024	0.48%	0%	$22,362,850	22,362,850	0		$1.00	Q2 2024
31 Mar 2024	0.87%	0%	$44,278,443	22,362,850	0		$1.98	Q1 2024
31 Dec 2023	0.7%	0%	$34,886,046	22,362,850	0		$1.56	Q4 2023
30 Sep 2023	1%	0%	$44,054,815	22,362,850	0		$1.97	Q3 2023
30 Jun 2023	1.4%	0%	$71,113,863	22,362,850	0		$3.18	Q2 2023
31 Mar 2023	1.5%	0%	$73,126,520	22,362,850	0		$3.27	Q1 2023
31 Dec 2022	2.3%	+0.04%	$112,485,136	22,362,850	+402,000	+1.8%	$5.03	Q4 2022
30 Sep 2022	1%	0%	$50,071,000	21,960,850	0		$2.28	Q3 2022
30 Jun 2022	1.2%	+0.02%	$58,196,000	21,960,850	+317,875	+1.5%	$2.65	Q2 2022
31 Mar 2022	0.48%	0%	$29,651,000	21,642,975	0		$1.37	Q1 2022
31 Dec 2021	0.91%	+0.91%	$68,608,000	21,642,975	+21,642,975	NEW	$3.17	Q4 2021

* 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.