Walleye Trading’s Omeros OMER Stock Holding History

Walleye Trading’s Portfolio OMER Stock Details OMER Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$228K	Sell	21,600 -13,800	-39%	-$163K	﹤0.01%	3045
2025 Q4	$608K	Buy	+35,400	New	+$305K	﹤0.01%	2701
2025 Q2	–	Sell	-10,000	Closed	-$82.2K	–	4579
2025 Q1	$82.2K	Buy	+10,000	New	+$88.3K	﹤0.01%	3477
2022 Q2	–	Sell	-1,400	Closed	-$8K	–	5510
2022 Q1	$8K	Sell	1,400 -8,800	-86%	-$54.9K	﹤0.01%	5008
2021 Q4	$66K	Buy	10,200 +4,500	+79%	+$32.6K	﹤0.01%	4562
2021 Q3	$79K	Buy	5,700 +1,000	+21%	+$15K	﹤0.01%	4475
2021 Q2	$70K	Buy	+4,700	New	+$78.9K	﹤0.01%	4514
2020 Q2	–	Sell	-4,400	Closed	-$59K	–	4502
2020 Q1	$59K	Buy	+4,400	New	+$58.5K	﹤0.01%	3370
2019 Q2	–	Sell	-15,500	Closed	-$269K	–	4367
2019 Q1	$269K	Sell	15,500 -1,800	-10%	-$26K	﹤0.01%	2794
2018 Q4	$193K	Buy	+17,300	New	+$242K	﹤0.01%	3429

Other funds holding OMER

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

ISL

Ingalls & Snyder LLC New York $2.83B AUM 21.61% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Stifel Financial St. Louis, Missouri $109B AUM 21.36% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Corient Private Wealth Miami, Florida $69.9B AUM 22.19% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Walleye Trading's OMER Position: Q1 2026 in Review

Walleye Trading reduced its Omeros (OMER) stake by 91% in Q1 2026, selling an estimated $745K and leaving 6,430 shares worth $67.9K. The position accounts for ﹤0.01% of the portfolio, ranked #3601.

Walleye Trading first reported a position in OMER in Q3 2018 and has held it in 11 quarters since. The position peaked at $1.2M in Q4 2025. 161 funds tracked by Wall St. Rank hold OMER as of Q1 2026.

Walleye Trading held 6,430 shares of Omeros worth $67.9K as of Q1 2026.
Walleye Trading sold 63,223 Omeros shares in Q1 2026, an estimated $745K.
Omeros made up ﹤0.01% of Walleye Trading's portfolio in Q1 2026, its #3601 holding.
Walleye Trading first reported a position in Omeros in Q3 2018 and has held it in 11 quarters since.
Walleye Trading's Omeros position peaked at $1.2M in Q4 2025.
161 funds tracked by Wall St. Rank held Omeros as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.