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

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.