GH Research
GHRS
38 hedge funds and large institutions have $531M invested in GH Research in 2025 Q2 according to their latest regulatory filings, with 7 funds opening new positions, 14 increasing their positions, 10 reducing their positions, and 5 closing their positions.
40% more first-time investments, than exits
New positions opened: 7 | Existing positions closed: 5
40% more repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 10
15.01% more ownership
Funds ownership: 68.71% → 83.71% (+15%)
13% more capital invested
Capital invested by funds: $470M → $531M (+$60.8M)
6% more funds holding
Funds holding: 36 → 38 (+2)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$9.24M |
| 2 |
RCM
RA Capital Management
Boston,
Massachusetts
|
+$8.03M |
| 3 |
LCM
Lynx1 Capital Management
San Juan,
Puerto Rico
|
+$3.32M |
| 4 |
Millennium Management
New York
|
+$2.23M |
| 5 |
SC
Stempoint Capital
New York
|
+$1.11M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
DM
Deerfield Management
New York
|
-$10.2M |
| 2 |
Alyeska Investment Group
Chicago,
Illinois
|
-$2.19M |
| 3 |
TCA
Troluce Capital Advisors
Dorado,
Puerto Rico
|
-$765K |
| 4 |
Walleye Capital
New York
|
-$584K |
| 5 |
PEAK6
Chicago,
Illinois
|
-$485K |
GHRS Hedge Fund Activity: Q2 2025 in Review
38 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in GH Research (GHRS) for Q2 2025, worth a combined $531M — up 13% from $470M a quarter earlier.
Buyers outnumbered sellers: 7 funds opened new GHRS positions and 5 closed out — a net gain of 2 holders — while 14 added to existing stakes and 10 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $9.24M. The largest seller was Deerfield Management, exiting entirely with an estimated $10.2M sold.
- 38 institutional investors held GH Research (GHRS) as of Q2 2025, up from 36 in Q1 2025.
- Funds reported $531M of GH Research stock for Q2 2025, up 13% quarter-over-quarter.
- 7 funds opened new GH Research positions in Q2 2025 and 5 closed out, a net change of +2 holders.
- The largest GH Research buyer in Q2 2025 was Fidelity Investments, an estimated $9.24M added.
- The largest GH Research seller in Q2 2025 was Deerfield Management, an estimated $10.2M sold.
Based on aggregated 13F filings for Q2 2025.