Acadian Asset Management
OMER icon

Acadian Asset Management’s Omeros OMER Stock Holding History

Acadian 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
Q2 		– Sell
-32,778
Closed -$345K – 2171
2026
Q1 		$345K Buy
+32,778
New +$386K ﹤0.01% 1448
2025
Q2 		– Sell
-43,695
Closed -$357K – 1786
2025
Q1 		$357K Buy
+43,695
New +$386K ﹤0.01% 1143
2024
Q1 		– Sell
-17,370
Closed -$56K – 1727
2023
Q4 		$56K Buy
+17,370
New +$36.7K ﹤0.01% 1449

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 $3.38T AUM 44.17% 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

Acadian Asset Management's OMER Position: Q2 2026 in Review

Acadian Asset Management sold out of Omeros (OMER) in Q2 2026, closing a stake of 32,778 shares — an estimated $345K sold.

Acadian Asset Management first reported a position in OMER in Q4 2023 and held it in 3 quarters. The position peaked at $357K in Q1 2025. 171 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

  • Acadian Asset Management reported no remaining Omeros position as of Q2 2026 after selling out during the quarter.
  • Acadian Asset Management sold 32,778 Omeros shares in Q2 2026, an estimated $345K.
  • Acadian Asset Management first reported a position in Omeros in Q4 2023 and held it in 3 quarters.
  • Acadian Asset Management's Omeros position peaked at $357K in Q1 2025.
  • 171 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

Based on Acadian Asset Management's 13F filing for Q2 2026, filed 13 Aug 2026.