GHRS GH Research PLC

NASDAQ
$23.84

GH Research PLC (GHRS) Hedge Fund Activity

This view isolates hedge funds from the broader institutional ownership shown on the Institutional tab. A pension fund tracking an index may have no view on a stock; when a hedge fund builds or exits a position, that decision can carry information. This page measures those changes. Positions as of June 30, 2026.

Based on quarterly 13F long-equity filings. Changes compare reported quarter-end positions; filings can be reported up to 45 days later and do not represent a fund's complete exposure.

Hedge fund breadth
+25.00
10 buyers / 6 sellers
STRONG BUYING
Funds compared
19
funds with comparable GHRS positions
18 current holders · 12 prior-quarter holders
Net share change
+2.87M
+3.82M added, -947.3K cut
Position activity
7 new 3 increased 5 reduced 1 exited

Most significant moves

Ranked by conviction, not size — how much of the fund's own book the position represents, how far it moved, and what kind of fund made it.

Fund Action Shares changed Change Est. value Portfolio wt. Score
Deep Track Capital Growth Healthcare New +3.33M — $89.6M 1.3% 73
Point72 Asset Management, L.P. New +50.9K — $1.4M 0.0% 61
Braidwell Growth Healthcare New +207.2K — $5.6M 0.2% 59
RENAISSANCE TECHNOLOGIES LLC Quant Sold Out -20.6K -100.0% $554.1K 0.0% 58
D. E. Shaw & Co., Inc. Quant New +25.3K — $681.3K 0.0% 58
Qube Research & Technologies Ltd Quant New +43.9K — $1.2M 0.0% 57
Squarepoint Ops LLC Quant New +18.4K — $495.4K 0.0% 54
Quadrature Capital Quant New +21.1K — $567.6K 0.0% 52
Trexquant Investment Quant Increased +84.0K +120.3% $2.3M 0.0% 47
MILLENNIUM MANAGEMENT LLC Reduced -614.5K -65.5% $16.5M 0.0% 47

Most significant buyers

By move score, not size.

  • Deep Track Capital New · +3.33M
  • Point72 Asset Management, L.P. New · +50.9K
  • Braidwell New · +207.2K
  • D. E. Shaw & Co., Inc. New · +25.3K
  • Qube Research & Technologies Ltd New · +43.9K

Most significant sellers

By move score, not size.

  • RENAISSANCE TECHNOLOGIES LLC Sold Out · -20.6K
  • MILLENNIUM MANAGEMENT LLC Reduced · -614.5K
  • RA Capital Management Reduced · -39.9K
  • MARSHALL WACE, LLP Reduced · -44.4K
  • CenterBook Partners Reduced · -147.1K

Hedge fund positions

Fund Tier Shares Previous Change Change % Portfolio wt. Action Score
Deep Track Capital 1 3.3M 0 +3.33M — 1.3% New 73
Point72 Asset Management, L.P. 1 50.9K 0 +50.9K — 0.0% New 61
Braidwell 2 207.2K 0 +207.2K — 0.2% New 59
RENAISSANCE TECHNOLOGIES LLC 1 0 20.6K -20.6K -100.0% 0.0% Sold Out 58
D. E. Shaw & Co., Inc. 1 25.3K 0 +25.3K — 0.0% New 58
Qube Research & Technologies Ltd 2 43.9K 0 +43.9K — 0.0% New 57
Squarepoint Ops LLC 2 18.4K 0 +18.4K — 0.0% New 54
Quadrature Capital 3 21.1K 0 +21.1K — 0.0% New 52
Trexquant Investment 3 153.8K 69.8K +84.0K +120.3% 0.0% Increased 47
MILLENNIUM MANAGEMENT LLC 2 323.4K 937.9K -614.5K -65.5% 0.0% Reduced 47
Tudor Investment Corporation 2 34.3K 18.6K +15.7K +84.7% 0.0% Increased 44
RA Capital Management 1 7.6M 7.7M -39.9K -0.5% 1.8% Reduced 41
MARSHALL WACE, LLP 2 46.7K 91.1K -44.4K -48.7% 0.0% Reduced 39
CenterBook Partners 4 69.4K 216.6K -147.1K -67.9% 0.1% Reduced 37
CITADEL ADVISORS LLC 1 86.0K 65.5K +20.5K +31.3% 0.0% Increased 35
Boothbay Fund Management 4 202.1K 282.9K -80.8K -28.6% 0.1% Reduced 27
Biotechnology Value Fund 1 8.7M 8.7M 0 +0.0% 6.0% Unchanged 47
RTW Investments 1 5.9M 5.9M 0 +0.0% 1.4% Unchanged 32
Avoro Capital Advisors 1 1.8M 1.8M 0 +0.0% 0.4% Unchanged 27

Every fund above opens. Subscribers can see any manager's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.

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Hedge funds are identified from their 13F filings, which are due 45 days after quarter end and cover long U.S.-listed equity positions only. A fund's short book never appears, so a reduced position can mean a changed view or a changed hedge — the filing doesn't say which.