PTC Therapeutics, Inc. PTCT
66.31 USD -2.66 (-3.86%)
Nov 5, 2026, 12:46 PM EST
66.16 Day range 69.59
58.80 52-week range 90.87
- YTD
- -12.70%
- 1 year
- -7.61%
Held by funds
173 US ETFs and mutual funds hold PTCT · largest positions
Ownership
Held by insiders 7.30%
Held by institutions 122.02%
Float held by institutions 131.63%
Institutions 522
Top institutional holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| Blackrock Inc. | 16.72% | 13,964,554 | 963.14M | Jun 29, 2026 |
| RTW Investments LP | 9.27% | 7,746,415 | 534.27M | Jun 29, 2026 |
| Jupiter Topco LLC | 8.66% | 7,236,402 | 499.09M | Jun 29, 2026 |
| Vanguard Portfolio Management LLC | 5.90% | 4,928,111 | 339.89M | Jun 29, 2026 |
| State Street Corporation | 5.50% | 4,598,952 | 317.19M | Jun 29, 2026 |
| Wellington Management Group, LLP | 4.94% | 4,128,273 | 284.73M | Jun 29, 2026 |
Top mutual fund holders
| Holder | % held | Shares | Value | Reported |
|---|---|---|---|---|
| iShares Trust-iShares Core S&P Small-Cap ETF | 5.95% | 4,971,168 | 342.86M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund | 3.15% | 2,635,817 | 181.79M | Jun 29, 2026 |
| VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund | 2.77% | 2,310,268 | 159.34M | Jul 30, 2026 |
| SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF | 2.62% | 2,186,953 | 150.83M | Sep 29, 2026 |
| iShares Trust-iShares Russell 2000 ETF | 2.56% | 2,142,713 | 147.78M | Sep 29, 2026 |
| VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund | 2.28% | 1,902,975 | 131.25M | Jun 29, 2026 |
Insiders
| Insider | Relation | Latest transaction | Date | Shares held |
|---|---|---|---|---|
| ALMSTEAD NEIL GREGORY | Chief Technology Officer | Sale | Jul 8, 2026 | 63,198 |
| BOULDING MARK ELLIOTT | Officer | Sale | Oct 8, 2026 | 105,272 |
| GOLDEN LEE SCOTT | Officer | Sale | Apr 1, 2026 | 79,115 |
| GRAVIER PIERRE | Chief Financial Officer | Sale | Jul 13, 2026 | 83,986 |
| KLEIN MATTHEW B | Chief Executive Officer | Sale | Aug 3, 2026 | 383,868 |
| PAUWELS ERIC | Officer | Sale | Jun 9, 2026 | 73,411 |