WhaleCreep

Which hedge funds own ARGX? ARGENX SE, Q2 2026 13F holders

HealthcareBiotechnology

49 tracked hedge funds disclosed a position in ARGX (ARGENX SE) in their Q2 2026 13F filings, worth $3.2bn in total. The largest holder by portfolio weight is Checkpoint Capital L.P. at 31.3% of its book. 13 opened a new position this quarter: Resolute Capital Asset Partners LLC, Arrowpoint Investment Partners (Singapore) Pte. Ltd., Aquatic Capital Management LLC, Woodline Partners LP. 11 exited: Jones Hill Capital LP, Cinctive Capital Management LP, Scientech Research LLC.

49
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
13
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
11
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$153m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$64.5m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$3.2bn
Combined value
Sum of the holders' reported positions in the security.
4.0%
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

49 rows
Checkpoint Capital L.P. Hedge fund31.3%$122m131,283−14%reduced
Eagle Health Investments LP Hedge fund11.8%$70.9m76,417+0.1%held
Avoro Capital Advisors LLC Hedge fund8.3%$928m1.00m0.0%held
RTW Investments, LP Hedge fund5.6%$658m709,4460.0%held
Artia Global Partners LP Hedge fund5.2%$27.6m29,7390.0%held
Resolute Capital Asset Partners LLC Hedge fund4.8%$11.1m12,000–new
Tri Locum Partners LP Hedge fund4.7%$38.6m41,596+31%added
Rock Springs Capital Management LP Hedge fund2.4%$48.9m52,750−46%reduced
Orbimed Advisors LLC Hedge fund1.6%$86.2m92,880−32%reduced
Arrowpoint Investment Partners (Singapore) Pte. Ltd. Hedge fund1.2%$4.1m4,392–new
Sands Capital Long-only investor1.0%$277m298,599−12%reduced
HighVista Strategies LLC Hedge fund1.0%$4.2m4,561−7.3%reduced
Soleus Capital Management, L.P. Hedge fund0.6%$18.5m19,955+470%added
Braidwell LP Hedge fund0.6%$16.4m17,707−79%reduced
PFM Health Sciences, LP Hedge fund0.4%$4.2m4,482−1.2%reduced
Candriam S.C.A. Hedge fund0.3%$74.3m80,120+48%added
QVT Financial LP Hedge fund0.3%$4.8m5,2180.0%held
Aquatic Capital Management LLC Hedge fund0.2%$7.1m7,697–new
Jain Global LLC Hedge fund0.2%$17.5m18,913+308%added
AWM Investment Company, Inc. Hedge fund0.2%$2.3m2,500−33%reduced
Woodline Partners LP Hedge fund0.2%$51.1m55,025–new
Two Sigma Investments, LP Hedge fund0.1%$172m185,638+70%added
Citadel Advisors LLC Hedge fund0.1%$197m212,416−3.1%reduced
Squarepoint Ops LLC Hedge fund0.1%$54.2m58,400+213%added
West Family Investments, Inc. Family office0.1%$347k374+1.1%added
Voloridge Investment Management, LLC Hedge fund0.07%$17.4m18,797−17%reduced
Adage Capital Partners GP, L.L.C. Hedge fund0.07%$47.0m50,607−44%reduced
Wexford Capital LP Hedge fund0.06%$464k500−67%reduced
Millennium Management LLC Hedge fund0.06%$87.6m94,401+30%added
Point72 Asset Management, L.P. Hedge fund0.06%$37.1m39,983–new
Partners Capital Investment Group, LLP Hedge fund0.05%$1.5m1,656−14%reduced
Caption Management, LLC Hedge fund0.03%$928k1,000–new
Hudson Bay Capital Management LP Hedge fund0.02%$4.6m5,000−83%reduced
CenterBook Partners LP Hedge fund0.02%$441k475−97%reduced
Arrowstreet Capital, Limited Partnership Hedge fund0.02%$37.2m40,062–new
Qube Research & Technologies Ltd Hedge fund0.02%$13.5m14,559−43%reduced
Campbell & CO Investment Adviser LLC Hedge fund0.01%$203k219−98%reduced
Bridgewater Associates, LP Hedge fund0.01%$1.8m1,958+61%added
Alyeska Investment Group, L.P. Hedge fund0.01%$2.6m2,811–new
Verition Fund Management LLC Hedge fund0.01%$928k1,000–new
Boothbay Fund Management, LLC Hedge fund0.01%$334k360−79%reduced
D. E. Shaw & Co., Inc. Hedge fund0.0%$7.7m8,263−84%reduced
Voleon Capital Management LP Hedge fund0.0%$201k217–new
AQR Capital Management LLC Hedge fund0.0%$9.9m10,668+322%added
Freestone Grove Partners LP Hedge fund0.0%$352k379–new
Pin Oak Investment Advisors Inc Hedge fund0.0%$1.0k1–new
CVA Family Office, LLC Family office0.0%$2.8k30.0%held
Walleye Capital LLC Hedge fund0.0%$13.9k15−71%reduced
Baillie Gifford Long-only investor0.0%$14.8k16–new