GHRS

GH Research PLC Cross-source read$27.55 1.22%
Health CareCUSIP G3855L106· EOD Sep 15, 2026

Among active 13F managers last quarter, 8 opened and 10 added, while 9 reduced; the largest holder to move was Lynx1 Capital Management LP (+23%). No open-market insider trades in the last 180 days.

Tracked 13F holders
52
31 in Q2 2026 filings
13F value (tracked)
$1.3B
Smart-money readBullish
Net sellingNet buying
Funds · active managers, latest 13F
18 adding · 9 trimming
Insiders · Form 4 open-market, 180d
0 buying · 0 selling
US House · STOCK Act, 180d
0 buying · 0 selling

Funds lean in and no leg opposes.

Price & smart-money activity

$27.55 1.22%5Y +39.4%
$3.25$10.61$17.96$25.31$32.67202120222023202420252026613610427444546665946459444353148711186181320101213
Hover for who · click for detailEnd-of-day closing prices52w $12.48 – $30.64

Who owns GHRS?

52 tracked 13F filers · ranked by shares held

52 tracked 13F filers disclose a position in GHRS as of the latest SEC 13F filings, a combined $1.3B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundSharesPosition valueLast moveAs ofHistory
1Lynx1 Capital Management LP13.3M
$356.5M
+23%
Added · +2.5M sh
Q2 2026
2BVF Inc8.7M
$232.5M
Held
Q2 2026
3Ra Capital Management, L.P.7.6M
$205.3M
−0.5%
Reduced · −40K sh
Q2 2026
4FMR LLC6.0M
$160.7M
+16%
Added · +841K sh
Q2 2026
5RTW Investments, LP5.9M
$159.5M
Held
Q2 2026
6Avoro Capital Advisors LLC1.8M
$48.4M
Held
Q2 2026
7Toronto Dominion Bank1.4M
$19.7M
New
+1.4M sh
Q1 2026
8Foresite Capital Management VI LLC940K
$25.3M
+198%
Added · +625K sh
Q2 2026
9Millennium Management LLC938K
$13.2M
+217%
Added · +642K sh
Q1 2026
10Jefferies Financial Group Inc.712K
$19.1M
Held
Q2 2026
11BlackRock, Inc.480K
$12.9M
+5.4%
Added · +25K sh
Q2 2026
12UBS Group AG412K
$5.8M
+13%
Added · +49K sh
Q1 2026
13Braidwell LP207K
$5.6M
New
+207K sh
Q2 2026
14Boothbay Fund Management, LLC202K
$5.4M
−29%
Reduced · −81K sh
Q2 2026
15HighVista Strategies LLC159K
$4.3M
−26%
Reduced · −54K sh
Q2 2026
16Trexquant Investment LP154K
$4.1M
+120%
Added · +84K sh
Q2 2026
17Marshall Wace, LLP91K
$1.3M
−62%
Reduced · −150K sh
Q1 2026
18Citadel Advisors LLC86K
$2.3M
+31%
Added · +20K sh
Q2 2026
19AdvisorShares Investments LLC71K
$1.9M
+6.3%
Added · +4K sh
Q2 2026
20CenterBook Partners LP69K
$1.9M
−68%
Reduced · −147K sh
Q2 2026
21XTX Topco Ltd52K
$732K
+17%
Added · +8K sh
Q1 2026
22Point72 Asset Management, L.P.51K
$1.4M
New
+51K sh
Q2 2026
23Goldman Sachs Group Inc45K
$630K
−45%
Reduced · −36K sh
Q1 2026
24Geode Capital Management, LLC40K
$1.1M
Held
Q2 2026
25Axxion S.A.36K
$972K
New
+36K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is GHRS being bought or sold by institutions?

Last quarter, 8 funds opened a new position in GHRS and 10 added to an existing one, while 9 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
8
funds took a first position
Added
10
added to an existing position
Reduced
9
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own GHRS also own

CompanyCo-held byTheir position there
Nvidia CorpNVDA25 funds$12.4B
Insmed IncINSM25 funds$1.2B
Microsoft CorpMSFT24 funds$6.8B
Eli Lilly & CoLLY24 funds$2.7B
Amazon.com IncAMZN23 funds$9.0B
Micron Technology IncMU23 funds$4.5B
Advanced Micro DevicesAMD23 funds$4.4B
United Therapeutics CorpUTHR23 funds$3.2B
Texas Instruments IncTXN23 funds$1.9B
Western Digital CorpWDC23 funds$1.5B
Visa Inc-Class A SharesV23 funds$1.4B
Intuitive Surgical IncISRG23 funds$1.2B

Ranked by how many of GHRS's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in GHRS.

Insider activity (Form 4)

Full insider page →

No open-market insider transactions on file yet. Grants, gifts, and exercises live on the full insider page.

Do institutions, insiders and Congress agree?

Mixed signals

Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.

SEC EDGAR 13F + Form 4 + US House STOCK Act{ }get_ticker_confluence · API & MCP

Signals by source

Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive

SourceBuyingSellingNet
13F funds
Top 100 holders by value, passive included; the hero counts active managers only
1716
Insiders
Form 4 open-market
00$0
US House
STOCK Act trades
00$0
Sector rotation
GHRS is in Health Care, which smart money is rotating OUT OF
$7.6B

Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.

Institutional ownership over time

31 tracked filers in Q2 2026 filingsstill filing
02651Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings so far: $1.3B
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Recent filings

4 most recent

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Connected entities for GHRS

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Ask your agent what changed in GHRS

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/GHRS/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for GHRS.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for GHRS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.