BlackRock’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 | $56.1M | Buy |
5,309,626
+247,188
| +5% | +$2.91M | ﹤0.01% | 2435 |
|
|
2025
Q4 | $86.9M | Buy |
5,062,438
+610,282
| +14% | +$5.26M | ﹤0.01% | 2189 |
|
|
2025
Q3 | $18.3M | Buy |
4,452,156
+401,183
| +10% | +$1.59M | ﹤0.01% | 3141 |
|
|
2025
Q2 | $12.2M | Sell |
4,050,973
-332,144
| -8% | -$1.65M | ﹤0.01% | 3310 |
|
|
2025
Q1 | $36M | Buy |
4,383,117
+84,344
| +2% | +$745K | ﹤0.01% | 2564 |
|
|
2024
Q4 | $42.5M | Buy |
4,298,773
+69,401
| +2% | +$476K | ﹤0.01% | 2555 |
|
|
2024
Q3 | $16.8M | Buy |
4,229,372
+127,788
| +3% | +$545K | ﹤0.01% | 3150 |
|
|
2024
Q2 | $16.7M | Sell |
4,101,584
-109,538
| -3% | -$391K | ﹤0.01% | 3086 |
|
|
2024
Q1 | $14.5M | Sell |
4,211,122
-68,714
| -2% | -$261K | ﹤0.01% | 3162 |
|
|
2023
Q4 | $14M | Buy |
4,279,836
+254,484
| +6% | +$538K | ﹤0.01% | 3213 |
|
|
2023
Q3 | $11.8M | Sell |
4,025,352
-129,600
| -3% | -$520K | ﹤0.01% | 3242 |
|
|
2023
Q2 | $22.6M | Buy |
4,154,952
+2,994,468
| +258% | +$17.5M | ﹤0.01% | 2957 |
|
|
2023
Q1 | $5.4M | Buy |
1,160,484
+21,352
| +2% | +$77.1K | ﹤0.01% | 3600 |
|
|
2022
Q4 | $2.57M | Sell |
1,139,132
-1,141
| -0.1% | -$3.15K | ﹤0.01% | 4019 |
|
|
2022
Q3 | $3.59M | Sell |
1,140,273
-87,271
| -7% | -$405K | ﹤0.01% | 3903 |
|
|
2022
Q2 | $3.38M | Sell |
1,227,544
-2,837,857
| -70% | -$9.62M | ﹤0.01% | 3992 |
|
|
2022
Q1 | $24.4M | Buy |
4,065,401
+15,373
| +0.4% | +$95.9K | ﹤0.01% | 3046 |
|
|
2021
Q4 | $26M | Sell |
4,050,028
-475,472
| -11% | -$3.45M | ﹤0.01% | 3122 |
|
|
2021
Q3 | $62.4M | Sell |
4,525,500
-40,747
| -0.9% | -$610K | ﹤0.01% | 2515 |
|
|
2021
Q2 | $67.8M | Sell |
4,566,247
-494,208
| -10% | -$8.29M | ﹤0.01% | 2495 |
|
|
2021
Q1 | $90.1M | Sell |
5,060,455
-323,567
| -6% | -$6.29M | ﹤0.01% | 2249 |
|
|
2020
Q4 | $76.9M | Buy |
5,384,022
+495,817
| +10% | +$6.06M | ﹤0.01% | 2230 |
|
|
2020
Q3 | $49.4M | Buy |
4,888,205
+409,606
| +9% | +$5.27M | ﹤0.01% | 2310 |
|
|
2020
Q2 | $65.9M | Buy |
4,478,599
+253,721
| +6% | +$3.79M | ﹤0.01% | 2096 |
|
|
2020
Q1 | $56.5M | Buy |
4,224,878
+162,255
| +4% | +$2.16M | ﹤0.01% | 1979 |
|
|
2019
Q4 | $57.2M | Buy |
4,062,623
+65,401
| +2% | +$957K | ﹤0.01% | 2275 |
|
|
2019
Q3 | $65.3M | Buy |
3,997,222
+138,759
| +4% | +$2.38M | ﹤0.01% | 2131 |
|
|
2019
Q2 | $60.5M | Buy |
3,858,463
+40,412
| +1% | +$726K | ﹤0.01% | 2220 |
|
|
2019
Q1 | $66.3M | Sell |
3,818,051
-171,155
| -4% | -$2.47M | ﹤0.01% | 2127 |
|
|
2018
Q4 | $44.4M | Buy |
3,989,206
+31,270
| +0.8% | +$438K | ﹤0.01% | 2314 |
|
|
2018
Q3 | $96.6M | Buy |
3,957,936
+38,349
| +1% | +$855K | ﹤0.01% | 1996 |
|
|
2018
Q2 | $71.1M | Sell |
3,919,587
-45,823
| -1% | -$794K | ﹤0.01% | 2151 |
|
|
2018
Q1 | $44.3M | Buy |
3,965,410
+34,832
| +0.9% | +$489K | ﹤0.01% | 2329 |
|
|
2017
Q4 | $76.4M | Sell |
3,930,578
-882
| -0% | -$16.5K | ﹤0.01% | 2028 |
|
|
2017
Q3 | $85M | Buy |
3,931,460
+217,534
| +6% | +$4.61M | ﹤0.01% | 1938 |
|
|
2017
Q2 | $73.9M | Buy |
3,713,926
+492,519
| +15% | +$8.59M | ﹤0.01% | 1996 |
|
|
2017
Q1 | $48.7M | Buy |
3,221,407
+3,216,149
| +61,167% | +$35.2M | ﹤0.01% | 2233 |
|
|
2016
Q4 | $52K | Sell |
5,258
-549
| -9% | -$5.6K | ﹤0.01% | 2909 |
|
|
2016
Q3 | $65K | Buy |
5,807
+583
| +11% | +$6.65K | ﹤0.01% | 2842 |
|
|
2016
Q2 | $55K | Buy |
5,224
+2,933
| +128% | +$36.1K | ﹤0.01% | 2887 |
|
|
2016
Q1 | $35K | Buy |
2,291
+1,488
| +185% | +$18.1K | ﹤0.01% | 2550 |
|
|
2015
Q4 | $13K | Sell |
803
-410
| -34% | -$5.66K | ﹤0.01% | 2768 |
|
|
2015
Q3 | $13K | Buy |
1,213
+288
| +31% | +$4.48K | ﹤0.01% | 2609 |
|
|
2015
Q2 | $17K | Buy |
925
+122
| +15% | +$2.63K | ﹤0.01% | 2478 |
|
|
2015
Q1 | $18K | Hold |
803
| – | – | ﹤0.01% | 2412 |
|
|
2014
Q4 | $20K | Hold |
803
| – | – | ﹤0.01% | 2375 |
|
|
2014
Q3 | $10K | Hold |
803
| – | – | ﹤0.01% | 2730 |
|
|
2014
Q2 | $14K | Sell |
803
-139
| -15% | -$1.75K | ﹤0.01% | 2569 |
|
|
2014
Q1 | $11K | Buy |
942
+134
| +17% | +$1.65K | ﹤0.01% | 2663 |
|
|
2013
Q4 | $9K | Hold |
808
| – | – | ﹤0.01% | 2785 |
|
|
2013
Q3 | $8K | Buy |
+808
| New | +$4.82K | ﹤0.01% | 2791 |
|
Other funds holding OMER
ISL
VCM
VPM
BlackRock's OMER Position: Q1 2026 in Review
BlackRock increased its Omeros (OMER) stake by 4.9% in Q1 2026, buying an estimated $2.91M and bringing the position to 5,309,626 shares worth $56.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2435.
BlackRock first reported a position in OMER in Q3 2013 and has held it in 51 quarters since. The position peaked at $96.6M in Q3 2018. 161 funds tracked by Wall St. Rank hold OMER as of Q1 2026.
- BlackRock held 5,309,626 shares of Omeros worth $56.1M as of Q1 2026.
- BlackRock bought 247,188 Omeros shares in Q1 2026, an estimated $2.91M.
- Omeros made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2435 holding.
- BlackRock first reported a position in Omeros in Q3 2013 and has held it in 51 quarters since.
- BlackRock's Omeros position peaked at $96.6M in Q3 2018.
- 161 funds tracked by Wall St. Rank held Omeros as of Q1 2026.
Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.