STATE OF WISCONSIN INVESTMENT BOARD

Position in OMER — Omeros Corp

CIK 854157 MADISON, WI

Position in OMER

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

Position Value

$573,823

+$449,226 QoQ

Shares Held

60,339

+411.4% QoQ

Ownership

0.083%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#52

of 172 holders

Holding Since

Mar 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $511,704,326 across 163 Biotechnology names. OMER ranks #129 (0.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	135,798	$67,454,940
2	REGN	Regeneron Pharmaceuticals, Inc.	55,287	$34,473,655
3	ALNY	Alnylam Pharmaceuticals, Inc.	70,171	$21,123,576
4	RVMD	Revolution Medicines, Inc.	83,892	$15,711,293
5	XENE	Xenon Pharmaceuticals Inc.	248,821	$15,018,835
6	MRNA	Moderna, Inc.	207,705	$14,545,581
7	INSM	INSMED Inc	118,057	$12,587,237
8	RPRX	Royalty Pharma plc	213,373	$11,963,824

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$573,823	60,339	+411.4%	Shares	Sole	2026-08-14
2026-03-31	$124,597	11,799	-65.0%	Shares	Sole	2026-05-15
2025-09-30	$138,079	33,678	+4.8%	Shares	Sole	2025-11-14
2025-03-31	$264,157	32,136	-14.9%	Shares	Sole	2025-05-15
2024-12-31	$373,068	37,760	-49.3%	Shares	Sole	2025-02-14
2022-06-30	$204,880	74,502	-7.5%	Shares	Sole	2022-08-15
2022-03-31	$483,805	80,500	-2.8%	Shares	Sole	2022-05-13
2021-09-30	$1,141,812	82,800	0.0%	Shares	Sole	2021-11-12
2021-06-30	$1,228,752	82,800	0.0%	Shares	Sole	2021-08-12
2021-03-31	$1,473,840	82,800	0.0%	Shares	Sole	2021-05-17
2020-12-31	$1,183,212	82,800	-1.7%	Shares	Sole	2021-02-03
2020-09-30	$851,262	84,200	0.0%	Shares	Sole	2020-11-16
2020-06-30	$1,239,424	84,200	+15.5%	Shares	Sole	2020-08-12
2020-03-31	$974,673	72,900	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.