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Rock Springs Capital Management’s Omeros OMER Stock Holding History

Rock Springs 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
Q2 		$6.83M Buy
+718,499
New +$8.55M 0.33% 66

Other funds holding OMER

BlackRock
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
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Stifel Financial
Stifel Financial St. Louis, Missouri $120B AUM 27.84% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Rock Springs Capital Management's OMER Position: Q2 2026 in Review

Rock Springs Capital Management opened a new position in Omeros (OMER) in Q2 2026: 718,499 shares worth $6.83M. The stake represents 0.33% of the portfolio and ranks #66 among its holdings.

160 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

  • Rock Springs Capital Management held 718,499 shares of Omeros worth $6.83M as of Q2 2026.
  • Omeros was a new Rock Springs Capital Management position in Q2 2026.
  • Omeros made up 0.33% of Rock Springs Capital Management's portfolio in Q2 2026, its #66 holding.
  • 160 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

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