PTC THERAPEUTICS, INC.
PTCT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001070081
Insider trades, last 90 days
0 buys · 12 sells
- Sold $14.37M
- Open-market purchases (P) and sales (S), counted by Form 4 filing.
13F holders, Q2 2026
384
- +22 vs. Q1 2026
- Total value $8.28B
Superinvestors holding PTCT
0
- None of the superinvestors held PTCT at the end of Q2 2026.
Price chart
Latest insider trades
View all: Latest insider tradesOpen-market purchases and sales by PTCT insiders, newest first.
| Filed (ET) | Trade date | Insider | Transaction | Shares | Avg price | Value | Shares after | Holding change | Filing |
|---|---|---|---|---|---|---|---|---|---|
| Sep 18, 20265:20 PM ET | Sep 16 – Sep 17, 2026 | SCHMERTZLER MICHAELDirector | SSaleCommon Stock | −20K | $67.4864 | −$1.35M | 1.3M | −1.5% | SEC10b5-1 |
| Sep 11, 20265:20 PM ET | Sep 9 – Sep 10, 2026 | SCHMERTZLER MICHAELDirector | SSaleCommon Stock | −20K | $67.5902 | −$1.35M | 1.32M | −1.5% | SEC10b5-1 |
| Aug 28, 20265:20 PM ET | Aug 26 – Aug 27, 2026 | SCHMERTZLER MICHAELDirector | SSaleCommon Stock | −25K | $72.2604 | −$1.81M | 1.34M | −1.8% | SEC10b5-1 |
| Aug 21, 20265:20 PM ET | Aug 19 – Aug 20, 2026 | SCHMERTZLER MICHAELDirector | SSaleCommon Stock | −25K | $72.2165 | −$1.81M | 1.36M | −1.8% | SEC10b5-1 |
| Aug 19, 20265:20 PM ET | Aug 17, 2026 | Boulding Mark ElliottEXEC. VP AND CLO | SSaleCommon Stock | −2.81K | $72.5657 | −$204.13K | 105.27K | −2.6% | SEC10b5-1 |
Top 5 13F holders, Q2 2026
View all: Top 5 13F holders, Q2 2026The largest institutional positions in PTCT at the end of Q2 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,964,554 | $1.14B | 0.02% | +1,015,837+7.8% | Added |
| RTW INVESTMENTS, LP | 7,746,415 | $631.88M | 5.39% | 00.0% | Unchanged |
| Jupiter Topco LLC | 7,236,402 | $590.18M | 0.24% | +7,236,402 | New |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 4,928,111 | $401.99M | 0.02% | +123,517+2.6% | Added |
| STATE STREET CORP | 4,598,952 | $375.14M | 0.01% | +252,433+5.8% | Added |