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	$233K	Sell	22,100 -21,100	-49%	-$249K	﹤0.01%	3032
2025 Q4	$742K	Buy	+43,200	New	+$372K	﹤0.01%	2567
2025 Q2	–	Sell	-4,400	Closed	-$36.2K	–	4580
2025 Q1	$36.2K	Buy	+4,400	New	+$38.8K	﹤0.01%	3696
2022 Q2	–	Sell	-4,000	Closed	-$24K	–	5512
2022 Q1	$24K	Sell	4,000 -24,300	-86%	-$152K	﹤0.01%	4720
2021 Q4	$182K	Buy	28,300 +13,500	+91%	+$97.9K	﹤0.01%	3964
2021 Q3	$204K	Buy	14,800 +100	+0.7%	+$1.5K	﹤0.01%	3824
2021 Q2	$218K	Buy	+14,700	New	+$247K	﹤0.01%	3828
2020 Q2	–	Sell	-11,400	Closed	-$152K	–	4504
2020 Q1	$152K	Buy	+11,400	New	+$152K	﹤0.01%	2840
2019 Q2	–	Sell	-5,400	Closed	-$94K	–	4369
2019 Q1	$94K	Buy	+5,400	New	+$77.9K	﹤0.01%	3490

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.