Omeros Corporation

Historical 13F Holders

Symbol
OMER
CUSIP
682143102
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 682143102 since 12/18/2024, newest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A Amendment 1 8.2% 7/29/2026
Event 6/30/2026
Ingalls & Snyder LLC 13G/A Amendment 14 4.8% 4/23/2026
Event 12/31/2025
Vanguard Group Inc 13G/A Amendment 1 0% 3/27/2026
Event 3/13/2026
Vanguard Group Inc 13G 5.7% 1/30/2026
Event 12/31/2025
Vanguard Group Inc 13G/A Amendment 1 4.9% 10/31/2025
Event 9/30/2025
Ingalls & Snyder LLC 13G/A Amendment 13 7.2% 2/21/2025
Event 12/31/2024

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 6 37.6 k $712 k
2026 Q2 187 36.9 M $420 M
2026 Q1 174 30.8 M $326 M
2025 Q4 182 33.9 M $582 M
2025 Q3 152 33.3 M $136 M
2025 Q2 140 31.3 M $93.8 M
2025 Q1 152 27.6 M $227 M
2024 Q4 142 26.6 M $262 M
2024 Q3 121 25.1 M $99.5 M
2024 Q2 116 25.2 M $102 M
2024 Q1 110 25.9 M $89.4 M
2023 Q4 109 25.3 M $82.9 M
2023 Q3 113 27.0 M $78.9 M
2023 Q2 113 26.2 M $143 M
2023 Q1 99 20.4 M $94.9 M
2022 Q4 111 19.8 M $45.0 M
2022 Q3 105 20.5 M $64.7 M
2022 Q2 114 24.0 M $69.3 M
2022 Q1 153 28.8 M $173 M
2021 Q4 170 31.0 M $205 M
2021 Q3 168 30.4 M $418 M
2021 Q2 177 32.2 M $478 M
2021 Q1 174 34.8 M $619 M
2020 Q4 159 34.6 M $496 M
2020 Q3 158 34.9 M $353 M
2020 Q2 137 31.8 M $468 M
2020 Q1 147 31.3 M $418 M
2019 Q4 145 28.4 M $401 M
2019 Q3 130 26.0 M $424 M
2019 Q2 136 26.5 M $416 M
2019 Q1 139 25.6 M $444 M
2018 Q4 143 24.6 M $274 M
2018 Q3 146 23.8 M $579 M
2018 Q2 133 23.2 M $421 M
2018 Q1 134 22.2 M $248 M
2017 Q4 143 23.5 M $456 M
2017 Q3 125 24.0 M $519 M
2017 Q2 121 21.6 M $429 M
2017 Q1 115 20.0 M $301 M
2016 Q4 114 21.4 M $214 M
2016 Q3 106 23.7 M $264 M
2016 Q2 109 22.8 M $240 M
2016 Q1 105 19.1 M $293 M
2015 Q4 107 20.9 M $328 M
2015 Q3 107 21.6 M $236 M
2015 Q2 112 21.6 M $389 M
2015 Q1 106 20.7 M $456 M
2014 Q4 110 14.4 M $355 M
2014 Q3 93 12.9 M $164 M
2014 Q2 98 13.2 M $230 M
2014 Q1 92 12.2 M $147 M