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PTC Therapeutics PTCT · USD

Health Care · US listing · 🇺🇸 United States

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65.03

-0.63%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.12.9m16.13%+169.7k31 Mar 2026
RTW INVESTMENTS, LP7.7m9.65%—31 Mar 2026
JANUS HENDERSON GROUP PLC7.2m8.96%+2.3m31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC4.8m5.98%+4.8m31 Mar 2026
STATE STREET CORP4.3m5.41%+140.4k31 Mar 2026
WELLINGTON MANAGEMENT GROUP LLP3.9m4.91%+75.2k31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC3.7m4.58%+3.7m31 Mar 2026
TORONTO DOMINION BANK3m3.77%−1.1m31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC2.2m2.75%+193.9k31 Mar 2026
ARMISTICE CAPITAL, LLC2.1m2.58%−727.4k31 Mar 2026
BANK OF AMERICA CORP /DE/1.9m2.35%+455.3k31 Mar 2026
HOOD RIVER CAPITAL MANAGEMENT LLC1.7m2.07%+661.5k31 Mar 2026
D. E. SHAW & CO., INC.1.6m2.04%−104.6k31 Mar 2026
FMR LLC1.5m1.90%−152.9k31 Mar 2026
TANG CAPITAL MANAGEMENT LLC1.5m1.87%—31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
12 Mar 2026 ↗Klein Matthew B.CHIEF EXECUTIVE OFFICERSale2.7k64.08$170,581
10 Mar 2026 ↗Okey StephanieDirectorSale15.2k70.00$1.1m
5 Mar 2026 ↗Golden Lee ScottEVP & CHIEF MEDICAL OFFICERSale10k63.38$633,800
5 Mar 2026 ↗Almstead Neil GregoryCHIEF TECHNICAL OPS OFFICERSale4k63.38$252,823
5 Mar 2026 ↗Okey StephanieDirectorSale6.3k63.38$401,386
19 Feb 2026 ↗Boulding Mark ElliottEXEC. VP AND CLOSale3k69.48$209,763

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

8.3m

-9.4% on the period before. 7.6 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

48.8%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 21 Sept 2026688 shares
  • 11 Sept 202622 shares
  • 17 Aug 202615,042 shares
  • 12 Aug 20262,757 shares
  • 11 Aug 202646,848 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.