TWO SIGMA INVESTMENTS, LP

Position in CMPX — Compass Therapeutics, Inc.

CIK 1179392 NEW YORK, NY

Position in CMPX

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$701,483

+$526,384 QoQ

Shares Held

320,312

+867.7% QoQ

Ownership

0.178%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#50

of 213 holders

Holding Since

Mar 2023

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $7,273,657,992 across 342 Biotechnology names. CMPX ranks #223 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,875,937	$564,713,315
2	MRNA	Moderna, Inc.	7,193,530	$503,762,905
3	IONS	Ionis Pharmaceuticals Inc	6,252,342	$495,748,197
4	REGN	Regeneron Pharmaceuticals, Inc.	656,124	$409,119,558
5	BBIO	BridgeBio Pharma, Inc.	4,722,185	$351,708,338
6	EXEL	Exelixis, Inc.	4,209,861	$229,058,537
7	INCY	Incyte Corp	2,003,559	$227,123,448
8	ARGX	Argenx SE	185,638	$172,229,367

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$701,483	320,312	+867.7%	Shares	Sole	2026-08-14
2026-03-31	$175,099	33,100	+105.6%	Shares	Sole	2026-05-15
2025-06-30	$41,852	16,097	-68.6%	Shares	Sole	2025-08-14
2025-03-31	$97,354	51,239	-64.7%	Shares	Sole	2025-05-15
2024-12-31	$210,595	145,238	-24.8%	Shares	Sole	2025-02-14
2024-09-30	$355,596	193,259	-10.1%	Shares	Sole	2024-11-14
2024-06-30	$215,050	215,050	+51.8%	Shares	Sole	2024-08-14
2024-03-31	$280,451	141,642	-26.5%	Shares	Sole	2024-05-15
2023-12-31	$300,612	192,700	+649.8%	Shares	Sole	2024-02-14
2023-09-30	$50,629	25,700	+68.8%	Shares	Sole	2023-11-14
2023-03-31	$49,775	15,222	—	Shares	Sole	2023-05-15
No filing history on record for this holder in this stock.