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PTC Therapeutics, Inc. 13F holders

Of the 44 funds followed here, 6 reported a position in PTC Therapeutics, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 2.2 million shares worth $180.1 million, 0.0% of its reported book. New this quarter: Millennium Management.

FundSharesValueOf its bookChange on the quarterStatusQuarter endedFiling
Geode Capital Management2,207,376$180.1 million0.0%-2,578trimmed30 June 202613F
FMR LLC1,398,261$114.1 million0.0%-130,101trimmed30 June 202613F
Citadel Advisors766,822$62.5 million0.0%+353,323added30 June 202613F
Renaissance Technologies723,500$59.0 million0.1%+190,200added30 June 202613F
Millennium Management46,494$3.8 million0.0%+46,494new30 June 202613F
Two Sigma Investments10,654$869,0470.0%-16,456trimmed30 June 202613F
Value is what the fund reported.
Read moreChange is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.

Schedule 13D and 13G filed on the name, last twelve months

FiledScheduleWhoHoldingOf the classEvent dateRule or purposeFiling
15 May 202613G/AJanus Henderson Group Plc and 1 other7.2 million8.7%31 March 2026passive, institutional (13d-1(b))EDGAR
15 May 202613G/AThe Toronto-Dominion Bank and 1 other3.0 million3.7%31 March 2026passive, institutional (13d-1(b))EDGAR
30 April 202613GVanguard Capital Management and 1 other4.3 million5.2%31 March 2026passive, institutional (13d-1(b))EDGAR
29 April 202613GVanguard Portfolio Management and 1 other4.9 million5.9%31 March 2026passive, institutional (13d-1(b))EDGAR
27 March 202613G/AThe Vanguard Group and 1 other00.0%13 March 2026passive, institutional (13d-1(b))EDGAR
17 February 202613GJanus Henderson Group Plc and 1 other4.9 million6.0%31 December 2025passive, institutional (13d-1(b))EDGAR
13 February 202613GThe Toronto-Dominion Bank and 1 other4.1 million5.2%31 December 2025passive, institutional (13d-1(b))EDGAR
10 February 202613G/AWellington Management Group LLP and 5 others3.9 million4.8%31 December 2025passive, institutional (13d-1(b))EDGAR
9 February 202613GState Street Corporation and 1 other4.2 million5.2%31 December 2025passive, institutional (13d-1(b))EDGAR
4 December 202513G/ABlackRock, Inc. and 1 other11.9 million14.8%30 November 2025passive, institutional (13d-1(b))EDGAR
14 November 202513G/AArmistice Capital, LLC and 3 others3.3 million4.1%30 September 2025passive, institutional (13d-1(b))EDGAR
30 October 202513G/AThe Vanguard Group and 1 other8.3 million10.4%30 September 2025passive, institutional (13d-1(b))EDGAR
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
Read moreAmendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short.

Fails to deliver

Settlement dateShares failedPriceFile
11 September 202622$67.37SEC
17 August 202615,042$71.70SEC
12 August 20262,757$73.70SEC
11 August 202646,848$74.63SEC
4 August 202618$68.12SEC
3 August 202627$68.01SEC
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.
Read moreLargest in the window: 46,848 on 11 August 2026. A fail is an operational fact about settlement, not a position.

Source

Each fund's 13F-HR on EDGAR, linked per row; positions matched to PTCT by CUSIP from the SEC's own fails-to-deliver files; Schedule 13D and 13G from the company's own filing index, each read to confirm the company is the issuer named.

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