Security key
G3855L106
GH Research PLC - Ordinary Shares, nominal value $0.025 per share (GHRS)
CUSIP: G3855L106
Q1 2026 13F Holders as of 31 Mar 2026
- Security type / class
- Equity / Ordinary Shares, nominal value $0.025 per share
- Total 13F shares
- 47,551,006
- Total 13F value
- $668,548,105
- Share change
- +987,155
- Put/Call ratio
- 0%
- SEC-reported price per share
- $14.06
- Number of holders
- 54
- Value change
- +$17,053,566
- Number of buys
- 31
- Number of sells
- 22
- Shares outstanding
- 61,857,977
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2026
Institutions
54
Top holders
10
GHRS full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2026
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.
Comparable stake leader
Lynx1 Capital Management LP
Disclosed value leader
Lynx1 Capital Management LP
Comparable rows
15/15
Latest evidence
31 Mar 2026
13D/G
13F
3/4/5
Lead comparable stake: 17%
13D/G row: Lynx1 Capital Management LP
Showing 1-6 of 15 holder rows.
Quick read
Lynx1 Capital Management LP leads the comparable SEC ownership view at 17%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Lynx1 Capital Management LP's linked filing trail.
Comparable ownership
Top 5
Lynx1 Capital Management LP
17%
BIOTECHNOLOGY VALUE FUND L P
14%
RA CAPITAL MANAGEMENT, L.P.
12%
RTW INVESTMENTS, LP
8.9%
FMR LLC
8.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Lynx1 Capital Management LP |
13D/G
13F
Company
|
17%
|
$202,457,447
10,763,288 shares
|
+$6,709,772 | 31 Mar 2026 |
| 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
|
$75,359,451
5,933,815 shares
|
— | 31 Dec 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 |
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 Q1 2026
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
54
Shares
47,551,006
Rows available
54
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
Compare Q1 2026 vs Q1 2026 Across Filers
Q1 2026 holders
54
Q1 2026 holders
54
Holder diff
0
| Investor | Q1 2026 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2026 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend