State of Wisconsin Investment Board
OMER icon

State of Wisconsin Investment Board’s Omeros OMER Stock Holding History

State of Wisconsin Investment Board’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 		$125K Buy
+11,799
New +$139K ﹤0.01% 2406
2025
Q4 		– Sell
-33,678
Closed -$138K – 2508
2025
Q3 		$138K Buy
+33,678
New +$134K ﹤0.01% 2300
2025
Q2 		– Sell
-32,136
Closed -$264K – 2391
2025
Q1 		$264K Sell
32,136
-5,624
-15% -$49.6K ﹤0.01% 2017
2024
Q4 		$373K Buy
+37,760
New +$259K ﹤0.01% 1926
2022
Q3 		– Sell
-74,502
Closed -$205K – 2754
2022
Q2 		$205K Sell
74,502
-5,998
-7% -$20.3K ﹤0.01% 2474
2022
Q1 		$484K Buy
+80,500
New +$502K ﹤0.01% 1934
2021
Q4 		– Sell
-82,800
Closed -$1.14M – 2191
2021
Q3 		$1.14M Hold
82,800
– – ﹤0.01% 1414
2021
Q2 		$1.23M Hold
82,800
– – ﹤0.01% 1394
2021
Q1 		$1.47M Hold
82,800
– – ﹤0.01% 1283
2020
Q4 		$1.18M Sell
82,800
-1,400
-2% -$17.1K ﹤0.01% 1286
2020
Q3 		$851K Hold
84,200
– – ﹤0.01% 1330
2020
Q2 		$1.24M Buy
84,200
+11,300
+16% +$169K ﹤0.01% 1205
2020
Q1 		$975K Buy
72,900
+5,500
+8% +$73.2K ﹤0.01% 1209
2019
Q4 		$950K Hold
67,400
– – ﹤0.01% 1257
2019
Q3 		$1.1M Hold
67,400
– – ﹤0.01% 1116
2019
Q2 		$1.06M Buy
67,400
+6,000
+10% +$108K ﹤0.01% 1125
2019
Q1 		$1.07M Buy
61,400
+14,100
+30% +$203K ﹤0.01% 1145
2018
Q4 		$527K Buy
47,300
+600
+1% +$8.41K ﹤0.01% 1297
2018
Q3 		$1.14M Hold
46,700
– – ﹤0.01% 1171
2018
Q2 		$847K Buy
46,700
+2,100
+5% +$36.4K ﹤0.01% 1223
2018
Q1 		$498K Hold
44,600
– – ﹤0.01% 1305
2017
Q4 		$867K Buy
44,600
+21,600
+94% +$405K ﹤0.01% 1157
2017
Q3 		$497K Hold
23,000
– – ﹤0.01% 1297
2017
Q2 		$458K Buy
+23,000
New +$401K ﹤0.01% 1304

Other funds holding OMER

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $3.37T AUM 44.26% 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

State of Wisconsin Investment Board's OMER Position: Q1 2026 in Review

State of Wisconsin Investment Board opened a new position in Omeros (OMER) in Q1 2026: 11,799 shares worth $125K. The stake represents ﹤0.01% of the portfolio and ranks #2406 among its holdings. This is a return to the name: State of Wisconsin Investment Board previously reported a position in OMER as recently as Q3 2025.

State of Wisconsin Investment Board first reported a position in OMER in Q2 2017 and has held it in 24 quarters since. The position peaked at $1.47M in Q1 2021. 162 funds tracked by Wall St. Rank hold OMER as of Q1 2026.

  • State of Wisconsin Investment Board held 11,799 shares of Omeros worth $125K as of Q1 2026.
  • Omeros was a new State of Wisconsin Investment Board position in Q1 2026.
  • Omeros made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #2406 holding.
  • State of Wisconsin Investment Board first reported a position in Omeros in Q2 2017 and has held it in 24 quarters since.
  • State of Wisconsin Investment Board's Omeros position peaked at $1.47M in Q1 2021.
  • 162 funds tracked by Wall St. Rank held Omeros as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.