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Which hedge funds own PTCT? PTC THERAPEUTICS INC, Q2 2026 13F holders

HealthcareBiotechnology

50 tracked hedge funds disclosed a position in PTCT (PTC THERAPEUTICS INC) in their Q2 2026 13F filings, worth $1.5bn in total. The largest holder by portfolio weight is Palo Alto Investors LP at 10.4% of its book. 18 opened a new position this quarter: Capricorn Fund Managers Ltd, Morgan Creek Capital Management, LLC, Fox Run Management, L.L.C., Landscape Capital Management, L.L.C.. 5 exited: Ishara Investments LP, Ares Systematic Credit Ltd, Woodline Partners LP.

50
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
18
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
5
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$26.3m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$53.2m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.5bn
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

50 rows
Palo Alto Investors LP Hedge fund10.4%$75.0m918,846−0.3%held
RTW Investments, LP Hedge fund5.4%$632m7.75m0.0%held
Defilade Capital Management, L.P. Hedge fund4.7%$35.4m433,699+15%added
Parkman Healthcare Partners LLC Hedge fund3.6%$35.5m435,691+1.0%added
Armistice Capital, LLC Hedge fund2.4%$87.4m1.07m−48%reduced
Boxer Capital Management, LLC Hedge fund1.2%$16.3m200,0000.0%held
Arrowpoint Investment Partners (Singapore) Pte. Ltd. Hedge fund0.9%$3.0m36,873−7.1%reduced
Rock Springs Capital Management LP Hedge fund0.6%$13.2m162,298+0.3%held
Capricorn Fund Managers Ltd Hedge fund0.4%$5.2m63,900–new
Jupiter Asset Management Ltd Hedge fund0.3%$57.7m707,450−0.6%reduced
Aquatic Capital Management LLC Hedge fund0.2%$6.8m83,470+319%added
CenterBook Partners LP Hedge fund0.2%$3.1m37,795−33%reduced
Morgan Creek Capital Management, LLC Hedge fund0.2%$224k2,752–new
Moore Capital Management, LP Hedge fund0.1%$6.2m75,588+69%added
Fox Run Management, L.L.C. Hedge fund0.1%$644k7,901–new
EntryPoint Capital, LLC Hedge fund0.09%$379k4,6500.0%held
Renaissance Technologies LLC Hedge fund0.08%$59.0m723,500+36%added
Landscape Capital Management, L.L.C. Hedge fund0.08%$1.2m14,958–new
D. E. Shaw & Co., Inc. Hedge fund0.08%$126m1.55m−5.6%reduced
Orbimed Advisors LLC Hedge fund0.08%$4.0m49,1000.0%held
Schonfeld Strategic Advisors LLC Hedge fund0.06%$12.0m147,425−54%reduced
Hudson Bay Capital Management LP Hedge fund0.06%$13.0m159,778+4254%added
DeepCurrents Investment Group LLC Hedge fund0.06%$1.7m20,696–new
Marshall Wace, LLP Hedge fund0.05%$57.5m704,787+53%added
Bayforest Capital Ltd Hedge fund0.05%$48.9k600–new
ExodusPoint Capital Management, LP Hedge fund0.04%$4.7m57,278–new
Citadel Advisors LLC Hedge fund0.04%$61.0m747,822+94%added
SummitTX Capital, L.P. Hedge fund0.03%$1.2m14,579–new
Engineers Gate Manager LP Hedge fund0.03%$2.2m27,276−41%reduced
Lighthouse Investment Partners, LLC Hedge fund0.03%$914k11,202–new
Qube Research & Technologies Ltd Hedge fund0.03%$25.4m311,374−39%reduced
Cinctive Capital Management LP Hedge fund0.02%$614k7,524–new
Arrowstreet Capital, Limited Partnership Hedge fund0.02%$53.4m654,382+486%added
Polen Capital Long-only investor0.02%$2.0m24,916–new
WCM Investment Management Long-only investor0.01%$7.7m93,799−0.9%reduced
Fulcrum Asset Management LLP Hedge fund0.01%$104k1,274–new
Voleon Capital Management LP Hedge fund0.01%$550k6,743–new
AQR Capital Management LLC Hedge fund0.01%$27.1m332,251−2.9%reduced
Verition Fund Management LLC Hedge fund0.01%$1.2m15,000–new
Capital Fund Management S.A. Hedge fund0.01%$1.1m13,935−89%reduced
Walleye Capital LLC Hedge fund0.01%$1.6m19,522–new
Tudor Investment Corp ET AL Hedge fund0.0%$1.1m13,739−67%reduced
Quantbot Technologies LP Hedge fund0.0%$112k1,369–new
Capstone Investment Advisors, LLC Hedge fund0.0%$480k5,881–new
Balyasny Asset Management L.P. Hedge fund0.0%$1.7m20,605−96%reduced
Millennium Management LLC Hedge fund0.0%$3.8m46,494–new
Freestone Grove Partners LP Hedge fund0.0%$382k4,677−70%reduced
CVA Family Office, LLC Family office0.0%$7.6k93+16%added
Two Sigma Investments, LP Hedge fund0.0%$869k10,654−61%reduced
Quarry LP Hedge fund0.0%$2.3k28−98%reduced