Security key
G3855L106
GH Research PLC - Ordinary Shares, nominal value $0.025 per share (GHRS)
CUSIP: G3855L106
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / Ordinary Shares, nominal value $0.025 per share
- Shares outstanding
- 61,857,977
- Total 13F shares
- 46,564,278
- Share change
- +1,743,447
- Total reported value
- $591,366,552
- Put/Call ratio
- 181%
- Reported price per share
- $12.70
- Number of holders
- 53
- Value change
- +$19,014,477
- Number of buys
- 32
- Number of sells
- 21
Security identity
Holder snapshot
Report period
Q4 2025
Institutions
53
Top holders
10
GHRS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
GH Research PLC SEC filings
GH Research PLC company facts
Broader feeds
Reporting periods
Holder history for CUSIP G3855L106
Recent filing periods:
Ownership snapshot
Top reported holders of GHRS - GH Research PLC - Ordinary Shares, nominal value $0.025 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Lead holder
BIOTECHNOLOGY VALUE FUND L P
13D/G signal
BIOTECHNOLOGY VALUE FUND L P
Evidence rows
15
Latest as of
30 Sep 2025
13D/G
13F
Lead comparable stake: 14%
13D/G row: BIOTECHNOLOGY VALUE FUND L P
Showing 1-6 of 15 holder rows.
Rank 1 holder
BIOTECHNOLOGY VALUE FUND L P
13D/G
- Ownership
- 14%
- Position
- $84.13M
Rank 2 holder
RA CAPITAL MANAGEMENT, L.P.
13D/G
13F
- Ownership
- 12%
- Position
- $123.21M
Rank 3 holder
RTW INVESTMENTS, LP
13F
13D/G
- Ownership
- 8.9%
- Position
- $79.64M
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BIOTECHNOLOGY VALUE FUND L P |
13D/G
BVF PARTNERS L P/IL
|
14%
|
$84,128,095
8,827,712 shares
|
$0 | 31 Mar 2025 |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
13F
Company
|
12%
|
$123,210,987
7,676,697 shares
|
+$11,749,386 | 30 Jun 2025 |
| RTW INVESTMENTS, LP |
13F
13D/G
Company
|
8.9%
from 13D/G
|
$79,644,765
5,569,564 shares
|
— | 30 Sep 2025 |
| FMR LLC |
13D/G
13F
Company
|
8.2%
|
$81,728,927
5,092,145 shares
|
+$13,523,168 | 30 Jun 2025 |
| Terwey Theis H. |
13D/G
|
2.9%
|
$25,515,004
1,784,266 shares
|
-$41,593,509 | 30 Sep 2025 |
| BVF INC/IL |
13F
Company
|
14%
|
$126,236,282
8,827,712 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
53
Shares
46,564,278
Rows available
53
| Investor | Option | Weight % | Change % | Reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
47
Q4 2025 holders
53
Holder diff
6
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend