Omeros
OMER
172 hedge funds and large institutions have $343M invested in Omeros in 2026 Q2 according to their latest regulatory filings, with 36 funds opening new positions, 68 increasing their positions, 42 reducing their positions, and 25 closing their positions.
62% more repeat investments, than reductions
Existing positions increased: 68 | Existing positions reduced: 42
44% more first-time investments, than exits
New positions opened: 36 | Existing positions closed: 25
6.32% more ownership
Funds ownership: 43.51% → 49.82% (+6.3%)
6% more funds holding
Funds holding: 162 → 172 (+10)
5% more capital invested
Capital invested by funds: $326M → $343M (+$16.8M)
0% more funds holding in top 10
Funds holding in top 10: 1 → 1 (0)
38% less call options, than puts
Call options by funds: $21.3M | Put options by funds: $34.1M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
UBS Group
Zurich,
Switzerland
|
+$9.61M |
| 2 |
BlackRock
New York
|
+$8.75M |
| 3 |
RSCM
Rock Springs Capital Management
Baltimore,
Maryland
|
+$8.55M |
| 4 |
RCMNY
Rubric Capital Management (New York)
New York
|
+$7.82M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$6.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PAMP
Polar Asset Management Partners
Toronto,
Ontario, Canada
|
-$2.11M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$2.08M |
| 3 |
JF
Jump Financial
Chicago,
Illinois
|
-$2.07M |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$1.9M |
| 5 |
Dimensional Fund Advisors
Austin,
Texas
|
-$1.9M |
OMER Hedge Fund Activity: Q2 2026 in Review
172 of the 8,318 institutional investors tracked by Wall St. Rank reported a position in Omeros (OMER) for Q2 2026, worth a combined $343M — up 5.2% from $326M a quarter earlier.
Buyers outnumbered sellers: 36 funds opened new OMER positions and 25 closed out — a net gain of 11 holders — while 68 added to existing stakes and 42 trimmed.
The largest buyer was UBS Group, adding an estimated $9.61M. The largest seller was Polar Asset Management Partners, exiting entirely with an estimated $2.11M sold.
- 172 institutional investors held Omeros (OMER) as of Q2 2026, up from 162 in Q1 2026.
- Funds reported $343M of Omeros stock for Q2 2026, up 5.2% quarter-over-quarter.
- 36 funds opened new Omeros positions in Q2 2026 and 25 closed out, a net change of +11 holders.
- The largest Omeros buyer in Q2 2026 was UBS Group, an estimated $9.61M added.
- The largest Omeros seller in Q2 2026 was Polar Asset Management Partners, an estimated $2.11M sold.
Based on aggregated 13F filings for Q2 2026.