Thomas Steyer’s Omeros OMER Stock Holding History

Thomas Steyer’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	-23,000	Closed	-$243K	–	157
2026 Q1	$243K	Hold	23,000	–	–	﹤0.01%	129
2025 Q4	$395K	Buy	+23,000	New	+$198K	﹤0.01%	100

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

Thomas Steyer's OMER Position: Q2 2026 in Review

Thomas Steyer sold out of Omeros (OMER) in Q2 2026, closing a stake of 23,000 shares — an estimated $243K sold.

Thomas Steyer first reported a position in OMER in Q4 2025 and held it in 2 quarters. The position peaked at $395K in Q4 2025. 169 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

Thomas Steyer reported no remaining Omeros position as of Q2 2026 after selling out during the quarter.
Thomas Steyer sold 23,000 Omeros shares in Q2 2026, an estimated $243K.
Thomas Steyer first reported a position in Omeros in Q4 2025 and held it in 2 quarters.
Thomas Steyer's Omeros position peaked at $395K in Q4 2025.
169 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

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