InvestorLens

PTCT — PTC THERAPEUTICS INC

Public company

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For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About PTC THERAPEUTICS INC (PTCT)

PTC THERAPEUTICS INC (PTCT) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $108M. Across recent filings, tracked investors recorded 1 new positions, 1 increased, 0 reduced, and 1 exited. All data sourced from SEC 13F filings.

Smart Money Consensus™

Based on recent institutional activity in PTCT

67
/100
Institutional Accumulation
Added / Increased2
Reduced0
Exited1
BearishBullish
Crowded Trade Score™

How many top investors track PTCT

27
/100
Emerging Interest
4investors

A small number of top investors own this.

UndiscoveredCrowded
151015+

PTCT Ownership Composition

How PTC THERAPEUTICS INC is held across tracked investor types, based on reported 13F positions.

Dominant Type
Hedge Funds
73% of tracked value
Institutions
4
tracked investors
Total Reported
$116.8M
combined 13F value
Sectors2
  • Hedge Funds73.4%
  • Other26.6%
Hedge Funds(1)
73.4%
Other(3)
26.6%

Tracked investors reporting PTCT

  • Ken GriffinMar 31, 2026
    Citadel Advisors
    Shares
    413.5K
    Value
    $28.2M
    % Portfolio
    0.00%
  • Steve CohenDec 31, 2025
    Point72 Asset Management
    Shares
    1.1M
    Value
    $85.7M
    % Portfolio
    0.10%
  • Izzy EnglanderDec 31, 2025
    Millennium Management
    Shares
    22.5K
    Value
    $1.7M
    % Portfolio
    0.00%
  • Ray DalioDec 31, 2025
    Bridgewater Associates
    Shares
    16.2K
    Value
    $1.2M
    % Portfolio
    0.02%

Recent activity

Frequently asked questions

How many institutional investors hold PTCT?
4 tracked institutional investors disclosed a position in PTCT (PTC THERAPEUTICS INC) in their most recent 13F filing.
Who is the largest institutional holder of PTCT?
Ken Griffin, Citadel Advisors, holds the largest disclosed position in PTCT, valued at $108M.
Did institutional ownership of PTCT increase or decrease?
Across recent 13F filings, tracked investors recorded 1 new positions, 1 increased, 0 reduced, and 1 fully exited PTCT.
Where does this PTCT ownership data come from?
SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.
PTCT (PTC THERAPEUTICS INC) — Institutional Holders & 13F — InvestorLens