Jane Street’s Omeros OMER Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | $1.53M | Sell |
145,307
-318,315
| -69% | -$3.75M | ﹤0.01% | 5594 |
|
|
2025
Q4 | $7.96M | Buy |
463,622
+182,535
| +65% | +$1.57M | ﹤0.01% | 2611 |
|
|
2025
Q3 | $1.15M | Buy |
281,087
+195,705
| +229% | +$776K | ﹤0.01% | 5999 |
|
|
2025
Q2 | $256K | Sell |
85,382
-55,718
| -39% | -$278K | ﹤0.01% | 8130 |
|
|
2025
Q1 | $1.16M | Sell |
141,100
-3,906
| -3% | -$34.5K | ﹤0.01% | 5292 |
|
|
2024
Q4 | $1.43M | Buy |
145,006
+86,729
| +149% | +$595K | ﹤0.01% | 4728 |
|
|
2024
Q3 | $231K | Buy |
58,277
+8,010
| +16% | +$34.2K | ﹤0.01% | 8431 |
|
|
2024
Q2 | $204K | Buy |
50,267
+37,256
| +286% | +$133K | ﹤0.01% | 8354 |
|
|
2024
Q1 | $44.9K | Sell |
13,011
-52,964
| -80% | -$201K | ﹤0.01% | 8762 |
|
|
2023
Q4 | $216K | Buy |
65,975
+10,412
| +19% | +$22K | ﹤0.01% | 8103 |
|
|
2023
Q3 | $162K | Buy |
+55,563
| New | +$223K | ﹤0.01% | 7745 |
|
|
2023
Q2 | – | Sell |
-296,910
| Closed | -$1.38M | – | 9307 |
|
|
2023
Q1 | $1.38M | Buy |
+296,910
| New | +$1.07M | ﹤0.01% | 4431 |
|
|
2022
Q4 | – | Sell |
-14,194
| Closed | -$45K | – | 9834 |
|
|
2022
Q3 | $45K | Sell |
14,194
-28,127
| -66% | -$130K | ﹤0.01% | 8972 |
|
|
2022
Q2 | $116K | Buy |
42,321
+8,190
| +24% | +$27.8K | ﹤0.01% | 8547 |
|
|
2022
Q1 | $205K | Sell |
34,131
-144,218
| -81% | -$900K | ﹤0.01% | 9000 |
|
|
2021
Q4 | $1.15M | Sell |
178,349
-26,031
| -13% | -$189K | ﹤0.01% | 5615 |
|
|
2021
Q3 | $2.82M | Buy |
204,380
+63,286
| +45% | +$947K | ﹤0.01% | 3778 |
|
|
2021
Q2 | $2.09M | Buy |
141,094
+96,834
| +219% | +$1.63M | ﹤0.01% | 4248 |
|
|
2021
Q1 | $788K | Sell |
44,260
-158,675
| -78% | -$3.09M | ﹤0.01% | 5924 |
|
|
2020
Q4 | $2.9M | Buy |
202,935
+15,819
| +8% | +$193K | ﹤0.01% | 2866 |
|
|
2020
Q3 | $1.89M | Buy |
187,116
+157,295
| +527% | +$2.03M | ﹤0.01% | 3127 |
|
|
2020
Q2 | $439K | Buy |
29,821
+14,641
| +96% | +$219K | ﹤0.01% | 5267 |
|
|
2020
Q1 | $203K | Buy |
+15,180
| New | +$202K | ﹤0.01% | 4637 |
|
|
2018
Q4 | – | Sell |
-12,686
| Closed | -$310K | – | 5480 |
|
|
2018
Q3 | $310K | Buy |
+12,686
| New | +$283K | ﹤0.01% | 4177 |
|
|
2018
Q2 | – | Sell |
-29,565
| Closed | -$330K | – | 5425 |
|
|
2018
Q1 | $330K | Buy |
29,565
+4,523
| +18% | +$63.5K | ﹤0.01% | 3916 |
|
|
2017
Q4 | $487K | Buy |
+25,042
| New | +$470K | ﹤0.01% | 3216 |
|
|
2016
Q2 | – | Sell |
-26,052
| Closed | -$400K | – | 4435 |
|
|
2016
Q1 | $400K | Buy |
+26,052
| New | +$317K | ﹤0.01% | 2848 |
|
|
2014
Q3 | – | Sell |
-32,485
| Closed | -$565K | – | 2910 |
|
|
2014
Q2 | $565K | Buy |
+32,485
| New | +$410K | 0.01% | 1309 |
|
|
2014
Q1 | – | Sell |
-67,876
| Closed | -$766K | – | 2957 |
|
|
2013
Q4 | $766K | Buy |
+67,876
| New | +$655K | 0.01% | 934 |
|
Other funds holding OMER
ISL
VCM
VPM
Jane Street's OMER Position: Q1 2026 in Review
Jane Street reduced its Omeros (OMER) stake by 69% in Q1 2026, selling an estimated $3.75M and leaving 145,307 shares worth $1.53M. The position accounts for ﹤0.01% of the portfolio, ranked #5594.
Jane Street first reported a position in OMER in Q4 2013 and has held it in 29 quarters since. The position peaked at $7.96M in Q4 2025. 161 funds tracked by Wall St. Rank hold OMER as of Q1 2026.
- Jane Street held 145,307 shares of Omeros worth $1.53M as of Q1 2026.
- Jane Street sold 318,315 Omeros shares in Q1 2026, an estimated $3.75M.
- Omeros made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5594 holding.
- Jane Street first reported a position in Omeros in Q4 2013 and has held it in 29 quarters since.
- Jane Street's Omeros position peaked at $7.96M in Q4 2025.
- 161 funds tracked by Wall St. Rank held Omeros as of Q1 2026.
Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.