Wellington Management Group
OMER icon

Wellington Management Group’s Omeros OMER Stock Holding History

Wellington Management Group’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 		$1.95M Buy
204,541
+17,241
+9% +$205K ﹤0.01% 1631
2026
Q1 		$1.98M Sell
187,300
-15,317
-8% -$180K ﹤0.01% 1552
2025
Q4 		$3.48M Buy
202,617
+8,170
+4% +$70.4K ﹤0.01% 1481
2025
Q3 		$797K Buy
194,447
+31,034
+19% +$123K ﹤0.01% 1816
2025
Q2 		$490K Buy
163,413
+27,411
+20% +$137K ﹤0.01% 1824
2025
Q1 		$1.12M Buy
+136,002
New +$1.2M ﹤0.01% 1684
2024
Q4 		– Sell
-76,945
Closed -$305K – 2014
2024
Q3 		$305K Buy
+76,945
New +$328K ﹤0.01% 1866
2024
Q2 		– Sell
-178,818
Closed -$617K – 1946
2024
Q1 		$617K Buy
+178,818
New +$680K ﹤0.01% 1780
2023
Q1 		– Sell
-390,659
Closed -$883K – 2071
2022
Q4 		$883K Buy
390,659
+11,027
+3% +$30.4K ﹤0.01% 1660
2022
Q3 		$1.2M Buy
379,632
+180,032
+90% +$835K ﹤0.01% 1620
2022
Q2 		$549K Hold
199,600
– – ﹤0.01% 1810
2022
Q1 		$1.2M Buy
199,600
+29,814
+18% +$186K ﹤0.01% 1708
2021
Q4 		$1.09M Buy
+169,786
New +$1.23M ﹤0.01% 1785
2015
Q2 		– Sell
-74,008
Closed -$1.63M – 2198
2015
Q1 		$1.63M Sell
74,008
-4,700
-6% -$107K ﹤0.01% 1746
2014
Q4 		$1.95M Buy
+78,708
New +$1.43M ﹤0.01% 1692

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

Wellington Management Group's OMER Position: Q2 2026 in Review

Wellington Management Group increased its Omeros (OMER) stake by 9.2% in Q2 2026, buying an estimated $205K and bringing the position to 204,541 shares worth $1.95M. The position accounts for ﹤0.01% of the portfolio, ranked #1631.

Wellington Management Group first reported a position in OMER in Q4 2014 and has held it in 15 quarters since. The position peaked at $3.48M in Q4 2025. 172 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

  • Wellington Management Group held 204,541 shares of Omeros worth $1.95M as of Q2 2026.
  • Wellington Management Group bought 17,241 Omeros shares in Q2 2026, an estimated $205K.
  • Omeros made up ﹤0.01% of Wellington Management Group's portfolio in Q2 2026, its #1631 holding.
  • Wellington Management Group first reported a position in Omeros in Q4 2014 and has held it in 15 quarters since.
  • Wellington Management Group's Omeros position peaked at $3.48M in Q4 2025.
  • 172 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

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