Prosight Management’s Omeros OMER Stock Holding History

Prosight 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 Q2	–	Sell	-174,800	Closed	-$1.85M	–	40
2026 Q1	$1.85M	Buy	+174,800	New	+$2.06M	0.3%	33

Other funds holding OMER

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

ISL

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

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

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Prosight Management's OMER Position: Q2 2026 in Review

Prosight Management sold out of Omeros (OMER) in Q2 2026, closing a stake of 174,800 shares — an estimated $1.85M sold.

Prosight Management first reported a position in OMER in Q1 2026 and held it in 1 quarter. The position peaked at $1.85M in Q1 2026. 172 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

Prosight Management reported no remaining Omeros position as of Q2 2026 after selling out during the quarter.
Prosight Management sold 174,800 Omeros shares in Q2 2026, an estimated $1.85M.
Prosight Management first reported a position in Omeros in Q1 2026 and held it in 1 quarter.
Prosight Management's Omeros position peaked at $1.85M in Q1 2026.
172 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

Based on Prosight Management's 13F filing for Q2 2026, filed 14 Aug 2026.