WhaleCreep

Which hedge funds own ARWR? ARROWHEAD PHARMACEUTICALS IN, Q2 2026 13F holders

HealthcareBiotechnology

63 tracked hedge funds disclosed a position in ARWR (ARROWHEAD PHARMACEUTICALS IN) in their Q2 2026 13F filings, worth $1.9bn in total. The largest holder by portfolio weight is Avoro Capital Advisors LLC at 8.3% of its book. 25 opened a new position this quarter: Stempoint Capital LP, Catalyst Funds Management Pty Ltd, Ikarian Capital, LLC, Polymer Capital Management (HK) LTD. 21 exited: Ishara Investments LP, Ares Systematic Credit Ltd, RTW Investments, LP.

63
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
25
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
21
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$194m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$77.4m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.9bn
Combined value
Sum of the holders' reported positions in the security.
5.1%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

63 rows
Avoro Capital Advisors LLC Hedge fund8.3%$926m11.36m+6.1%added
M28 Capital Management LP Hedge fund6.4%$3.0m36,8510.0%held
ACT Capital Management, LLC Hedge fund5.9%$9.0m110,100+33%added
Vestal Point Capital, LP Hedge fund3.0%$128m1.57m−31%reduced
Summit Partners Public Asset Management, LLC Hedge fund1.8%$67.7m830,247+54%added
Tetragon Partners GP Ltd Hedge fund1.7%$10.6m130,484+2.6%added
Exome Asset Management LLC Hedge fund1.6%$2.6m32,214−30%reduced
Deerfield Management Company, L.P. Hedge fund1.2%$113m1.39m−12%reduced
PFM Health Sciences, LP Hedge fund0.9%$10.7m131,667+105%added
Baker Bros. Advisors LP Hedge fund0.8%$162m1.99m0.0%held
Integral Health Asset Management, LLC Hedge fund0.7%$16.3m200,000−33%reduced
Affinity Asset Advisors, LLC Hedge fund0.6%$12.2m150,000−25%reduced
Stempoint Capital LP Hedge fund0.6%$3.2m39,198–new
Catalyst Funds Management Pty Ltd Hedge fund0.5%$9.6m117,600–new
Ikarian Capital, LLC Hedge fund0.5%$3.1m38,278–new
Keystone Investors Pte Ltd Hedge fund0.4%$7.7m94,661+63%added
IvyRock Asset Management (HK) Ltd Hedge fund0.3%$571k7,0000.0%held
Polymer Capital Management (HK) LTD Hedge fund0.3%$3.0m36,800–new
ADAR1 Capital Management, LLC Hedge fund0.3%$5.7m69,800−0.7%reduced
Bayforest Capital Ltd Hedge fund0.2%$270k3,311+1297%added
Cormorant Asset Management, LP Hedge fund0.2%$4.1m50,000−50%reduced
Holocene Advisors, LP Hedge fund0.2%$90.2m1.11m–new
Landscape Capital Management, L.L.C. Hedge fund0.1%$2.1m25,623–new
Arrowpoint Investment Partners (Singapore) Pte. Ltd. Hedge fund0.1%$442k5,427–new
Weiss Asset Management LP Hedge fund0.1%$10.9m134,014–new
AlphaGrep UK Ltd Hedge fund0.1%$375k4,599−32%reduced
Ghisallo Capital Management LLC Hedge fund0.10%$4.9m60,000–new
Edgestream Partners, L.P. Hedge fund0.10%$3.2m39,489−57%reduced
CenterBook Partners LP Hedge fund0.08%$1.6m19,728–new
Diametric Capital, LP Hedge fund0.07%$694k8,519–new
Balyasny Asset Management L.P. Hedge fund0.07%$38.4m470,754+128%added
Brevan Howard Capital Management LP Hedge fund0.07%$4.8m58,923–new
Fox Run Management, L.L.C. Hedge fund0.07%$399k4,890–new
Y-Intercept (Hong Kong) Ltd Hedge fund0.06%$3.3m40,231–new
111 Capital Hedge fund0.06%$374k4,587–new
Boothbay Fund Management, LLC Hedge fund0.06%$3.4m41,242−12%reduced
Jain Global LLC Hedge fund0.06%$5.0m61,895–new
Qsemble Capital Management, LP Hedge fund0.06%$460k5,639–new
Renaissance Technologies LLC Hedge fund0.05%$38.2m468,921−55%reduced
Woodline Partners LP Hedge fund0.05%$16.3m200,1840.0%held
Dark Forest Capital Management LP Hedge fund0.04%$679k8,332–new
Squarepoint Ops LLC Hedge fund0.04%$20.9m255,907–new
Engineers Gate Manager LP Hedge fund0.04%$3.0m36,495−19%reduced
Two Sigma Investments, LP Hedge fund0.04%$47.3m580,609+1522%added
Quantbot Technologies LP Hedge fund0.03%$883k10,831+21%added
Voleon Capital Management LP Hedge fund0.03%$1.5m18,618−73%reduced
WCM Investment Management Long-only investor0.02%$13.8m171,232−0.2%held
Laurion Capital Management LP Hedge fund0.02%$320k3,929–new
D. E. Shaw & Co., Inc. Hedge fund0.02%$35.2m431,560−64%reduced
Marshall Wace, LLP Hedge fund0.02%$24.9m305,031+70%added