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Cliff Asness’s Omeros OMER Stock Holding History

Cliff Asness’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 		$283K Sell
29,726
-452
-1% -$5.38K ﹤0.01% 3651
2026
Q1 		$319K Buy
30,178
+7,340
+32% +$86.5K ﹤0.01% 3372
2025
Q4 		$392K Buy
22,838
+1,532
+7% +$13.2K ﹤0.01% 3044
2025
Q3 		$87.4K Buy
21,306
+7,444
+54% +$29.5K ﹤0.01% 3378
2025
Q2 		$41.6K Sell
13,862
-20,838
-60% -$104K ﹤0.01% 3246
2025
Q1 		$285K Sell
34,700
-4,492
-11% -$39.7K ﹤0.01% 2712
2024
Q4 		$387K Buy
39,192
+15,214
+63% +$104K ﹤0.01% 2375
2024
Q3 		$95.2K Sell
23,978
-1,822
-7% -$7.78K ﹤0.01% 2657
2024
Q2 		$105K Buy
+25,800
New +$92.2K ﹤0.01% 2489
2023
Q4 		– Sell
-35,565
Closed -$104K – 2413
2023
Q3 		$104K Buy
+35,565
New +$143K ﹤0.01% 2227
2018
Q2 		– Sell
-57,306
Closed -$640K – 2372
2018
Q1 		$640K Buy
57,306
+13,936
+32% +$196K ﹤0.01% 1831
2017
Q4 		$843K Sell
43,370
-14,462
-25% -$271K ﹤0.01% 1732
2017
Q3 		$1.25M Buy
+57,832
New +$1.23M ﹤0.01% 1588
2015
Q4 		– Sell
-29,450
Closed -$323K – 2286
2015
Q3 		$323K Sell
29,450
-8,999
-23% -$140K ﹤0.01% 1898
2015
Q2 		$692K Buy
38,449
+5,549
+17% +$120K ﹤0.01% 1659
2015
Q1 		$725K Sell
32,900
-9,800
-23% -$224K ﹤0.01% 1555
2014
Q4 		$1.06M Sell
42,700
-13,100
-23% -$239K ﹤0.01% 1618
2014
Q3 		$710K Buy
55,800
+3,100
+6% +$43.4K ﹤0.01% 1791
2014
Q2 		$917K Buy
52,700
+18,300
+53% +$231K ﹤0.01% 1692
2014
Q1 		$415K Buy
+34,400
New +$423K ﹤0.01% 2134

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

Cliff Asness's OMER Position: Q2 2026 in Review

Cliff Asness reduced its Omeros (OMER) stake by 1.5% in Q2 2026, selling an estimated $5.38K and leaving 29,726 shares worth $283K. The position accounts for ﹤0.01% of the portfolio, ranked #3651.

Cliff Asness first reported a position in OMER in Q1 2014 and has held it in 20 quarters since. The position peaked at $1.25M in Q3 2017. 169 funds tracked by Wall St. Rank hold OMER as of Q2 2026.

  • Cliff Asness held 29,726 shares of Omeros worth $283K as of Q2 2026.
  • Cliff Asness sold 452 Omeros shares in Q2 2026, an estimated $5.38K.
  • Omeros made up ﹤0.01% of Cliff Asness's portfolio in Q2 2026, its #3651 holding.
  • Cliff Asness first reported a position in Omeros in Q1 2014 and has held it in 20 quarters since.
  • Cliff Asness's Omeros position peaked at $1.25M in Q3 2017.
  • 169 funds tracked by Wall St. Rank held Omeros as of Q2 2026.

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