P

PTC Therapeutics Inc (PTCT)

Healthcare Biotechnology

68.00 $

-9.9% vs. previous close

Closing price · As of: 31. Jul 2026

Who owns PTC Therapeutics Inc (PTCT)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.2% of the shares are freely tradable; institutional investors hold 117.7%.

Ownership Structure

Institutional ownership Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.

117.7%

Insiders Share of the stock held by the executives, founders and major shareholders of the company itself.

7.4%

Float Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.

88.2%

Short % of float Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.

19.3%

Shares Outstanding Total number of shares issued. Price times share count gives market cap.

83Mio.

Largest Shareholders

Institutions

Funds

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider Transactions

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.

View all insider transactions →

Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.