ADAR1 Capital Management’s Omeros OMER Stock Holding History

ADAR1 Capital Management’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	–	Sell	-25,000	Closed	-$429K	–	331
2025 Q4	$429K	Buy	+25,000	New	+$215K	0.03%	195

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

ADAR1 Capital Management's OMER Position: Q1 2026 in Review

ADAR1 Capital Management sold out of Omeros (OMER) in Q1 2026, closing a stake of 25,000 shares — an estimated $429K sold.

ADAR1 Capital Management first reported a position in OMER in Q4 2025 and held it in 1 quarter. The position peaked at $429K in Q4 2025. 161 funds tracked by Wall St. Rank hold OMER as of Q1 2026.

ADAR1 Capital Management reported no remaining Omeros position as of Q1 2026 after selling out during the quarter.
ADAR1 Capital Management sold 25,000 Omeros shares in Q1 2026, an estimated $429K.
ADAR1 Capital Management first reported a position in Omeros in Q4 2025 and held it in 1 quarter.
ADAR1 Capital Management's Omeros position peaked at $429K in Q4 2025.
161 funds tracked by Wall St. Rank held Omeros as of Q1 2026.

Based on ADAR1 Capital Management's 13F filing for Q1 2026, filed 18 May 2026.