Compass Therapeutics Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 8.9%.

Top 25 shareholders own 77.83% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
16.3%	OrbiMed Advisors LLC	22,362,850	US$24.8m	0%	0.37%
8.09%	Adage Capital Management, L.P.	11,130,000	US$12.4m	12.7%	0.02%
5.66%	Commander Aggregator, Lp	7,788,150	US$8.6m	0%	no data
4.72%	Janus Henderson Group plc	6,492,900	US$7.2m	-0.83%	no data
4.38%	BlackRock, Inc.	6,032,466	US$6.7m	-3.05%	no data
4.04%	Cormorant Asset Management, LP	5,560,300	US$6.2m	0%	0.37%
4.01%	Rock Springs Capital Management LP	5,513,788	US$6.1m	0%	0.17%
3.82%	Thomas Schuetz	5,258,066	US$5.8m	1.55%	no data
3.4%	Blackstone Alternative Asset Management L.P.	4,683,813	US$5.2m	0%	3.88%
3.02%	The Vanguard Group, Inc.	4,152,197	US$4.6m	1.74%	no data
3%	Impresa Management LLC	4,122,414	US$4.6m	0%	2.11%
2.58%	Vivo Capital, LLC	3,556,023	US$3.9m	0%	0.34%
2.3%	Opaleye Management Inc.	3,170,000	US$3.5m	0%	0.93%
2.06%	CHI Advisors LLC	2,829,712	US$3.1m	0%	1.2%
2%	Borealis Ventures	2,749,256	US$3.1m	0%	no data
1.51%	Geode Capital Management, LLC	2,075,335	US$2.3m	4.18%	no data
1.43%	BioImpact Capital LLC	1,971,402	US$2.2m	0%	0.41%
1.33%	State Street Global Advisors, Inc.	1,826,177	US$2.0m	5.79%	no data
1.13%	Baker Bros. Advisors LP	1,557,630	US$1.7m	0%	0.02%
1.09%	Blackstone Inc.	1,505,738	US$1.7m	0%	0.01%
0.56%	Vered Bisker-Leib	771,301	US$856.1k	7.05%	no data
0.56%	Northern Trust Global Investments	766,911	US$851.3k	0.94%	no data
0.36%	Monashee Investment Management, LLC	500,000	US$555.0k	0%	0.07%
0.29%	FMR LLC	392,723	US$435.9k	-8.48%	no data
0.23%	Wellington Management Group LLP	320,621	US$355.9k	0%	no data