AI
OMER icon

Atom Investors’s Omeros OMER Stock Holding History

Atom Investors’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
2025
Q4 		– Sell
-53,266
Closed -$218K – 749
2025
Q3 		$218K Buy
53,266
+41,133
+339% +$163K 0.02% 500
2025
Q2 		$36.4K Buy
+12,133
New +$60.4K ﹤0.01% 581
2025
Q1 		– Sell
-16,657
Closed -$165K – 607
2024
Q4 		$165K Buy
+16,657
New +$114K 0.02% 428
2020
Q3 		– Sell
-340,389
Closed -$5.01M – 595
2020
Q2 		$5.01M Buy
340,389
+41,384
+14% +$618K 0.33% 59
2020
Q1 		$4M Buy
299,005
+85,315
+40% +$1.14M 0.35% 71
2019
Q4 		$3.01M Buy
213,690
+20,513
+11% +$300K 0.25% 109
2019
Q3 		$3.15M Buy
193,177
+62,150
+47% +$1.07M 0.22% 129
2019
Q2 		$2.06M Buy
+131,027
New +$2.35M 0.13% 187

Other funds holding OMER

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
ISL
Ingalls & Snyder LLC New York $2.83B AUM 21.61% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 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
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Corient Private Wealth
Corient Private Wealth Miami, Florida $69.9B AUM 22.19% 1-Year Est. Return
KK
Kotler Kevin $427M AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Atom Investors's OMER Position: Q4 2025 in Review

Atom Investors sold out of Omeros (OMER) in Q4 2025, closing a stake of 53,266 shares — an estimated $218K sold.

Atom Investors first reported a position in OMER in Q2 2019 and held it in 8 quarters. The position peaked at $5.01M in Q2 2020. 149 funds tracked by Wall St. Rank hold OMER as of Q4 2025.

  • Atom Investors reported no remaining Omeros position as of Q4 2025 after selling out during the quarter.
  • Atom Investors sold 53,266 Omeros shares in Q4 2025, an estimated $218K.
  • Atom Investors first reported a position in Omeros in Q2 2019 and held it in 8 quarters.
  • Atom Investors's Omeros position peaked at $5.01M in Q2 2020.
  • 149 funds tracked by Wall St. Rank held Omeros as of Q4 2025.

Based on Atom Investors's 13F filing for Q4 2025, filed 17 Feb 2026.