GH Research
GHRS
36 hedge funds and large institutions have $470M invested in GH Research in 2025 Q1 according to their latest regulatory filings, with 14 funds opening new positions, 10 increasing their positions, 8 reducing their positions, and 8 closing their positions.
119% more capital invested
Capital invested by funds: $215M → $470M (+$255M)
100% more call options, than puts
Call options by funds: $68K | Put options by funds: $34K
75% more first-time investments, than exits
New positions opened: 14 | Existing positions closed: 8
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
25% more repeat investments, than reductions
Existing positions increased: 10 | Existing positions reduced: 8
16% more funds holding
Funds holding: 31 → 36 (+5)
9.7% more ownership
Funds ownership: 59.01% → 68.71% (+9.7%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RI
RTW Investments
New York
|
+$24.3M |
| 2 |
DTC
Deep Track Capital
Greenwich,
Connecticut
|
+$22.4M |
| 3 |
Toronto Dominion Bank
Toronto, Ontario,
Ontario, Canada
|
+$22M |
| 4 |
Fidelity Investments
Boston,
Massachusetts
|
+$19.7M |
| 5 |
LCM
Lynx1 Capital Management
San Juan,
Puerto Rico
|
+$17.7M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BI
BVF Inc
San Francisco,
California
|
-$17.6M |
| 2 |
Verition Fund Management
Greenwich,
Connecticut
|
-$2.76M |
| 3 |
DP
Diadema Partners
Morristown,
New Jersey
|
-$711K |
| 4 |
WP
Woodline Partners
San Francisco,
California
|
-$553K |
| 5 |
LCM
Laurion Capital Management
New York
|
-$338K |
GHRS Hedge Fund Activity: Q1 2025 in Review
36 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in GH Research (GHRS) for Q1 2025, worth a combined $470M — up 119% from $215M a quarter earlier.
Buyers outnumbered sellers: 14 funds opened new GHRS positions and 8 closed out — a net gain of 6 holders — while 10 added to existing stakes and 8 trimmed.
The largest buyer was RTW Investments, adding an estimated $24.3M. The largest seller was BVF Inc, cutting an estimated $17.6M.
- 36 institutional investors held GH Research (GHRS) as of Q1 2025, up from 31 in Q4 2024.
- Funds reported $470M of GH Research stock for Q1 2025, up 119% quarter-over-quarter.
- 14 funds opened new GH Research positions in Q1 2025 and 8 closed out, a net change of +6 holders.
- The largest GH Research buyer in Q1 2025 was RTW Investments, an estimated $24.3M added.
- The largest GH Research seller in Q1 2025 was BVF Inc, an estimated $17.6M sold.
Based on aggregated 13F filings for Q1 2025.