WhaleCreep

Which hedge funds own PTGX? PROTAGONIST THERAPEUTICS INC, Q2 2026 13F holders

HealthcareBiotechnology

46 tracked hedge funds disclosed a position in PTGX (PROTAGONIST THERAPEUTICS INC) in their Q2 2026 13F filings, worth $2.2bn in total. The largest holder by portfolio weight is NEXTBio Capital Management LP at 12.4% of its book. 14 opened a new position this quarter: Catalio Capital Management, LP, Eversept Partners, LP, Bayforest Capital Ltd, Caption Management, LLC. 9 exited: Vestal Point Capital, LP, Rubric Capital Management LP, Integral Health Asset Management, LLC.

46
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
14
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
9
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$42.2m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$281m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$2.2bn
Combined value
Sum of the holders' reported positions in the security.
3.7%
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

46 rows
NEXTBio Capital Management LP Hedge fund12.4%$26.9m219,333−4.5%reduced
ADAR1 Capital Management, LLC Hedge fund5.5%$118m960,863−3.3%reduced
RTW Investments, LP Hedge fund5.3%$620m5.06m0.0%held
Eagle Health Investments LP Hedge fund5.0%$30.4m248,322+38%added
KVP Capital Advisors, LP Hedge fund4.8%$6.5m53,0000.0%held
Farallon Capital Management, L.L.C. Hedge fund4.6%$778m6.35m0.0%held
683 Capital Management, LLC Hedge fund3.3%$35.5m290,000−18%reduced
Catalio Capital Management, LP Hedge fund2.5%$13.1m106,799–new
Birchview Capital, LP Hedge fund2.0%$4.3m35,018+0.1%held
Perceptive Advisors LLC Hedge fund1.9%$120m981,879−20%reduced
Boxer Capital Management, LLC Hedge fund1.6%$20.8m170,0000.0%held
Elmind Capital, LP Hedge fund1.2%$4.7m38,0000.0%held
Opaleye Management Inc. Hedge fund1.1%$12.3m100,0000.0%held
Affinity Asset Advisors, LLC Hedge fund1.0%$21.1m172,1250.0%held
Seven Fleet Capital Management LP Hedge fund0.9%$5.6m45,400+1035%added
Atika Capital Management LLC Hedge fund0.8%$7.6m62,1000.0%held
HighVista Strategies LLC Hedge fund0.7%$3.0m24,460−28%reduced
Duquesne Family Office LLC Family office0.6%$25.6m208,900+31%added
Woodline Partners LP Hedge fund0.5%$173m1.41m0.0%held
Artia Global Partners LP Hedge fund0.5%$2.8m22,951+0.1%held
Eversept Partners, LP Hedge fund0.4%$7.2m58,504–new
Stempoint Capital LP Hedge fund0.3%$2.0m16,303−78%reduced
Bayforest Capital Ltd Hedge fund0.3%$328k2,675–new
Alyeska Investment Group, L.P. Hedge fund0.3%$109m889,298+50%added
Caption Management, LLC Hedge fund0.2%$5.5m45,000–new
Arrowpoint Investment Partners (Singapore) Pte. Ltd. Hedge fund0.1%$404k3,298−65%reduced
Orbimed Advisors LLC Hedge fund0.10%$5.2m42,1000.0%held
Axiom Investors LLC Hedge fund0.09%$10.0m81,683−4.4%reduced
Aquatic Capital Management LLC Hedge fund0.05%$1.5m12,180–new
Brevan Howard Capital Management LP Hedge fund0.04%$3.1m25,270–new
J. Goldman & Co LP Hedge fund0.04%$1.2m9,414−3.1%reduced
Campbell & CO Investment Adviser LLC Hedge fund0.04%$761k6,206–new
Polen Capital Long-only investor0.02%$2.8m22,651−6.9%reduced
Weiss Asset Management LP Hedge fund0.02%$1.7m14,209+45%added
Schonfeld Strategic Advisors LLC Hedge fund0.02%$3.4m28,072–new
Marshall Wace, LLP Hedge fund0.01%$13.4m109,017−83%reduced
Verition Fund Management LLC Hedge fund0.01%$1.2m10,143–new
Engineers Gate Manager LP Hedge fund0.01%$536k4,373–new
Bridgewater Associates, LP Hedge fund0.0%$1.1m9,269+76%added
Arrowstreet Capital, Limited Partnership Hedge fund0.0%$5.5m44,529–new
Holocene Advisors, LP Hedge fund0.0%$1.0m8,495−96%reduced
Quantbot Technologies LP Hedge fund0.0%$41.9k342–new
Balyasny Asset Management L.P. Hedge fund0.0%$441k3,598−96%reduced
AQR Capital Management LLC Hedge fund0.0%$1.6m13,096+10%added
Fulcrum Asset Management LLP Hedge fund0.0%$5.6k46–new
Walleye Capital LLC Hedge fund0.0%$1231–new