GH Research PLC - Ordinary Shares, nominal value $0.025 per share (GHRS)

Q: What does CUSIP G3855L106 represent in this 13F holders report?

CUSIP G3855L106 is the security identifier for GHRS - GH Research PLC - Ordinary Shares, nominal value $0.025 per share used to aggregate holder disclosures.

Q: How many institutions held GHRS - GH Research PLC - Ordinary Shares, nominal value $0.025 per share in Q4 2021?

29 institutional investors reported GHRS - GH Research PLC - Ordinary Shares, nominal value $0.025 per share for Q4 2021. Use the holders table for investor-level position and value details.

CUSIP: G3855L106

Q4 2021 13F Holders as of 31 Dec 2021

Type / Class: Equity / Ordinary Shares, nominal value $0.025 per share
Shares outstanding: 61,943,899
Total 13F shares: 30,046,921
Share change: +1,037,619
Total reported value: $700,993,000
Price per share: $23.33
Number of holders: 29
Value change: +$26,953,821
Number of buys: 15
Number of sells: 16

Quarterly Holders Quick Answers

What is CUSIP G3855L106?
CUSIP G3855L106 identifies GHRS - GH Research PLC - Ordinary Shares, nominal value $0.025 per share in SEC institutional holdings data.

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Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2022
Previous quarter: Q3 2021

Recent filing periods for CUSIP G3855L106:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
BVF INC/IL	13F	Company	15%	9,275,158	$204,610,000	—	30 Sep 2021	13F
RA CAPITAL MANAGEMENT, L.P.	13F	Company	4.9%	3,013,957	$66,488,000	—	30 Sep 2021	13F
FMR LLC	13F	Company	3.7%	2,283,964	$50,384,000	—	30 Sep 2021	13F
RTW INVESTMENTS, LP	13F	Company	3.5%	2,168,957	$45,719,000	—	30 Sep 2021	13F
VR Adviser, LLC	13F	Company	2.7%	1,642,296	$36,229,000	—	30 Sep 2021	13F
ORBIMED ADVISORS LLC	13F	Company	2.3%	1,428,666	$31,516,000	—	30 Sep 2021	13F
CITADEL ADVISORS LLC	13F	Company	2.1%	1,312,646	$28,300,000	—	30 Sep 2021	13F
Verition Fund Management LLC	13F	Company	2%	1,263,124	$27,865,000	—	30 Sep 2021	13F
Boxer Capital, LLC	13F	Company	1.6%	1,013,399	$22,356,000	—	30 Sep 2021	13F
Cormorant Asset Management, LP	13F	Company	0.98%	608,123	$13,147,000	—	30 Sep 2021	13F
Avidity Partners Management LP	13F	Company	0.9%	560,000	$12,354,000	—	30 Sep 2021	13F
TimesSquare Capital Management, LLC	13F	Company	0.81%	500,599	$11,043,000	—	30 Sep 2021	13F
MORGAN STANLEY	13F	Company	0.68%	424,260	$9,359,000	—	30 Sep 2021	13F
DEERFIELD MANAGEMENT COMPANY, L.P.	13F	Company	0.65%	405,416	$8,943,000	—	30 Sep 2021	13F
ADAGE CAPITAL PARTNERS GP, L.L.C.	13F	Company	0.65%	400,000	$8,824,000	—	30 Sep 2021	13F
Ghost Tree Capital, LLC	13F	Company	0.65%	400,000	$8,824,000	—	30 Sep 2021	13F
ACUTA CAPITAL PARTNERS, LLC	13F	Company	0.63%	393,250	$8,675,000	—	30 Sep 2021	13F
PURA VIDA INVESTMENTS, LLC	13F	Company	0.61%	380,045	$8,384,000	—	30 Sep 2021	13F
Laurion Capital Management LP	13F	Company	0.56%	345,000	$7,611,000	—	30 Sep 2021	13F
Logos Global Management LP	13F	Company	0.52%	324,333	$6,439,000	—	30 Sep 2021	13F
HealthCor Management, L.P.	13F	Company	0.27%	164,912	$3,638,000	—	30 Sep 2021	13F
Woodline Partners LP	13F	Company	0.08%	48,866	$1,078,000	—	30 Sep 2021	13F
Walleye Capital LLC	13F	Company	0.07%	40,748	$899,000	—	30 Sep 2021	13F
Pinz Capital Management, LP	13F	Company	0.06%	38,408	$847,000	—	30 Sep 2021	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.04%	27,198	$599,000	—	30 Sep 2021	13F
Penserra Capital Management LLC	13F	Company	0.04%	25,366	$559,000	—	30 Sep 2021	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.03%	17,223	$380,000	—	30 Sep 2021	13F
AdvisorShares Investments LLC	13F	Company	0.01%	3,768	$83,000	—	30 Sep 2021	13F
Global Retirement Partners, LLC	13F	Company	0%	220	$5,000	—	30 Sep 2021	13F

Institutional Holders of GH Research PLC - Ordinary Shares, nominal value $0.025 per share (GHRS) as of Q4 2021

As of 31 Dec 2021, GH Research PLC - Ordinary Shares, nominal value $0.025 per share (GHRS) was held by 29 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 30,046,921 shares. The largest 10 holders included BVF INC/IL, FMR LLC, RA CAPITAL MANAGEMENT, L.P., RTW INVESTMENTS, LP, VR Adviser, LLC, ORBIMED ADVISORS LLC, CITADEL ADVISORS LLC, Verition Fund Management LLC, BOXER CAPITAL, LLC, and Cormorant Asset Management, LP. This page lists 29 institutional shareholders reporting positions in this security for the Q4 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2021 vs Q3 2021 Across Filers

Q3 2021 holders

Q4 2021 holders

Holder diff

Investor	Q3 2021 Shares	Q4 2021 Shares	Share Diff	Share Chg %	Q3 2021 Value $	Q4 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.