Rafferty Asset Management
OMER icon

Rafferty Asset Management’s Omeros OMER Stock Holding History

Rafferty Asset 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 		$130K Buy
12,298
+72
+0.6% +$848 ﹤0.01% 1047
2025
Q4 		$210K Buy
+12,226
New +$105K ﹤0.01% 1095
2022
Q1 		– Sell
-16,149
Closed -$104K – 1298
2021
Q4 		$104K Buy
+16,149
New +$117K ﹤0.01% 1256

Other funds holding OMER

BlackRock
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
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Stifel Financial
Stifel Financial St. Louis, Missouri $109B AUM 21.36% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Corient Private Wealth
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
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Rafferty Asset Management's OMER Position: Q1 2026 in Review

Rafferty Asset Management increased its Omeros (OMER) stake by 0.59% in Q1 2026, buying an estimated $848 and bringing the position to 12,298 shares worth $130K. The position accounts for ﹤0.01% of the portfolio, ranked #1047.

Rafferty Asset Management first reported a position in OMER in Q4 2021 and has held it in 3 quarters since. The position peaked at $210K in Q4 2025. 161 funds tracked by Wall St. Rank hold OMER as of Q1 2026.

  • Rafferty Asset Management held 12,298 shares of Omeros worth $130K as of Q1 2026.
  • Rafferty Asset Management bought 72 Omeros shares in Q1 2026, an estimated $848.
  • Omeros made up ﹤0.01% of Rafferty Asset Management's portfolio in Q1 2026, its #1047 holding.
  • Rafferty Asset Management first reported a position in Omeros in Q4 2021 and has held it in 3 quarters since.
  • Rafferty Asset Management's Omeros position peaked at $210K in Q4 2025.
  • 161 funds tracked by Wall St. Rank held Omeros as of Q1 2026.

Based on Rafferty Asset Management's 13F filing for Q1 2026, filed 15 May 2026.