Chuck Royce's PTCT Position Overview
Chuck Royce (via Royce & Associates Lp) currently holds 32,779 shares of PTC Therapeutics, Inc. (PTCT) worth $2.01 M, representing 0.02% of the portfolio. First purchased in 2014-Q2, this long-term strategic position has been held for 46 quarters.
Based on 13F filings since 2013, Chuck Royce has maintained a long-term strategic position in PTCT, representing a significant commitment to this investment thesis. Largest addition occurred in Q2 2025, adding 237 shares. Largest reduction occurred in Q3 2025, reducing 17,458 shares.
Analysis based on 13F filings available since 2013 Q2
Chuck Royce's PTC Therapeutics (PTCT) Holding Value Over Time
Track share changes against reported price movement
Quarterly PTC Therapeutics (PTCT) Trades by Chuck Royce
| Period | Bought/Sold (Sh.) | % Change | Qtr. End Shares | Reported Price |
|---|---|---|---|---|
| Q2 2014 | +50,000 | New Buy | 50,000 | $26.14 |
| Q1 2015 | -50,000 | Sold Out | 50,000 | $0.00 |
| Q2 2025 | +50,237 | New Buy | 50,237 | $48.84 |
| Q3 2025 | -17,458 | Reduce 34.75% | 32,779 | $61.37 |
Chuck Royce's PTC Therapeutics Investment FAQs
Chuck Royce first purchased PTC Therapeutics, Inc. (PTCT) in Q2 2014, acquiring 50,000 shares, as reported in their 13F filing for that period. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce has held PTC Therapeutics, Inc. (PTCT) for 46 quarters since Q2 2014. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce's largest addition to PTC Therapeutics, Inc. (PTCT) was in Q2 2025, adding 50,237 shares worth $2.45 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
According to the latest 13F filing for Q3 2025, Chuck Royce's firm, Royce & Associates Lp, owns 32,779 shares of PTC Therapeutics, Inc. (PTCT), valued at approximately $2.01 M. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
As of the Q3 2025 filing, PTC Therapeutics, Inc. (PTCT) represents approximately 0.02% of Chuck Royce's publicly disclosed stock portfolio, making it one of their key holdings. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.
Chuck Royce's peak holding in PTC Therapeutics, Inc. (PTCT) was 50,237 shares, as reported at the end of Q2 2025. Note: Analysis reflects filings available since Q2 2013; earlier records may be incomplete.