MARSHALL WACE, LLP

Position in OMER — Omeros Corp

CIK 1318757 LONDON, X0

Position in OMER

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$883,681

-$1,019,448 QoQ

Shares Held

83,682

-82.0% QoQ

Ownership

0.116%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Sep 2020

13 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Healthcare · as of Mar 31, 2026

MARSHALL WACE, LLP holds $2,766,756,129 across 280 Biotechnology names. OMER ranks #196 (0.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	1,099,318	$363,731,344
2	VRTX	Vertex Pharmaceuticals Inc / Ma	317,058	$141,579,078
3	INCY	Incyte Corp	1,253,138	$117,945,347
4	RPRX	Royalty Pharma plc	2,120,692	$101,729,594
5	RCUS	Arcus Biosciences, Inc.	3,761,437	$81,247,039
6	PTGX	Protagonist Therapeutics, Inc	628,075	$66,199,104
7	ROIV	Roivant Sciences Ltd.	2,246,943	$62,240,320
8	COGT	Cogent Biosciences, Inc.	1,600,168	$61,590,466

13 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$883,681	83,682	-82.0%	Shares	Other	2026-05-15
2025-09-30	$1,903,129	464,178	-37.4%	Shares	Other	2025-11-13
2025-06-30	$2,224,128	741,376	+15.1%	Shares	Other	2025-08-13
2025-03-31	$5,294,928	644,152	+1357.2%	Shares	Other	2025-05-15
2024-12-31	$436,745	44,205	+82.6%	Shares	Other	2025-02-13
2023-03-31	$112,557	24,206	-69.8%	Shares	Other	2023-05-15
2022-12-31	$181,188	80,172	-34.3%	Shares	Other	2023-02-14
2022-09-30	$384,120	121,943	-46.8%	Shares	Other	2022-11-14
2022-06-30	$630,707	229,348	+51.1%	Shares	Other	2022-08-15
2022-03-31	$912,299	151,797	+165.1%	Shares	Other	2022-05-16
2021-03-31	$1,019,174	57,257	-16.3%	Shares	Sole	2021-05-17
2020-12-31	$977,121	68,378	-84.2%	Shares	Sole	2021-02-16
2020-09-30	$4,374,142	432,655	—	Shares	Sole	2020-11-16
No filing history on record for this holder in this stock.