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	-75,000	Closed	-$1.29M	–	332
2025 Q4	$1.29M	Buy	+75,000	New	+$646K	0.09%	121

Other funds holding OMER

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Ingalls & Snyder LLC New York $3.66B AUM 57.76% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

State Street Boston, Massachusetts $3.38T AUM 44.17% 1-Year Est. Return

Stifel Financial St. Louis, Missouri $120B AUM 27.84% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Corient Private Wealth Miami, Florida $72.2B AUM 27.85% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Charles Schwab San Francisco, California $751B AUM 38.74% 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. 162 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.
162 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.