$GHRS

$20.02 +$0.84 (4.38%) Close

$GHRS Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 62.0M shares outstanding

Who owns GHRS?

By type of holder

Institutions 83.0% Insiders 0.0% Everyone else 17.0%

Concentration Top 10 holders own 78.3%

Lynx1 Capital Management LP 21.4% · BVF Inc/il 14.0%

Institutional ownership

83.0%

+6.4 pts vs last qtr

Institutional holders

+9 vs last qtr

Net shares bought

+3.9M

by institutions in Q2 2026

New / sold out

18 / 9

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

Deep Track Capital, LP NEW +3.3M
Lynx1 Capital Management LP +2.5M

Biggest sellers in Q2 2026

Toronto Dominion Bank SOLD OUT −1.4M
Troluce Capital Advisors LLC SOLD OUT −990.5K

Who is planning to sell?

No insider has filed a notice of proposed sale (Form 144) for GH Research PLC in the last 12 months.

Is your stake being diluted?

There are not yet two fiscal years of reported share counts for GH Research PLC.

How patient are the owners?

Institutional shares by how long they've been held

5+ years55% 3–5 years27% 1–3 years4% Under 1 year14%

Quarterly turnover

13.4%

of institutional shares changed hands

Top 10 managers, median time held

4.5 years

Super Investors

Investment managers reporting GHRS on Form 13F

Holder	Shares	% of company	Change vs last qtr	Held since	% of their book
LC Lynx1 Capital Management LP	13.3M	21.38%	+2.5M (+23.2%)	2023	41.2%
Shares held by quarter Peak holding13.3M (Q2'26) Change over 8 quarters+9.1M Share of the company21.380% Lynx1 Capital Management LP's full portfolio →
BI BVF Inc/il	8.7M	13.95%	Unchanged	≤2021	6.0%
Shares held by quarter Peak holding10.4M (Q3'24) Change over 8 quarters−1.8M Share of the company13.950% BVF Inc/il's full portfolio →

Lynx1 Capital Management LP

13.3M

% of company

21.38%

Change vs last qtr

+2.5M (+23.2%)

Held since

2023

BVF Inc/il

8.7M

% of company

13.95%

Change vs last qtr

Unchanged

Held since

≤2021

28 more super investors behind a free account

See every manager holding GH Research PLC, how their position has changed, and how long they've held it.

Institutional Funds

Mutual funds and ETFs reporting GHRS on Form N-PORT; together they hold 0.1% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
IM iShares MSCI Ireland ETF iShares Trust	$1.42M	52.8K	0.09%	1.81%	August 31, 2026
TM Tiff Multi-Asset Fund TIFF Multi-Asset Fund	$242K	9.0K	0.01%	0.02%	June 30, 2026

iShares MSCI Ireland ETF

iShares Trust

Position value

$1.42M

% of company

0.09%

% of the fund

1.81%

As of

August 31, 2026

Tiff Multi-Asset Fund

TIFF Multi-Asset Fund

Position value

$242K

% of company

0.01%

% of the fund

0.02%

As of

June 30, 2026

3 more funds behind a free account

See every fund holding GH Research PLC and how much of the fund the position is.

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