Institutional Ownership
Ptc Therapeutics Inc
CUSIP 69366J200COMPTCTQ1 2026
13D / 13G Filings
57
Schedule 13D/13G on record
Beneficial Filers
19
Distinct reporting persons
Largest Stake
15.0%
Max % of class reported
Institutional Holders
340
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
57 filings · latest Feb 17, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Feb 17, 2026 | Janus Henderson Group PLC | 13G | 6.0% | 4.85M | SEC |
| 2 | Feb 13, 2026 | The Toronto-Dominion Bank | 13G | 5.2% | 4.14M | SEC |
| 3 | Feb 10, 2026 | Wellington Management Group LLP | 13G/A | 4.8% | 3.87M | SEC |
| 4 | Feb 9, 2026 | State Street Corporation | 13G | 5.2% | 4.21M | SEC |
| 5 | Dec 4, 2025 | Blackrock, Inc. | 13G/A | 14.8% | 11.90M | SEC |
| 6 | Oct 30, 2025 | The Vanguard Group | 13G/A | 10.4% | 8.29M | SEC |
| 7 | May 15, 2025 | Armistice Capital, LLC | 13G/A | 6.9% | 5.43M | SEC |
| 8 | Apr 17, 2025 | Blackrock, Inc. | 13G/A | 8.0% | 6.27M | SEC |
| 9 | Feb 14, 2025 | Camber Capital Management LP | 13G/A | 4.2% | 3200.00T | SEC |
| 10 | Feb 14, 2025 | Armistice Capital, LLC | 13G/A | 8.3% | 6.38M | SEC |
47 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Ptc Therapeutics Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 12.95M | $882.20M |
| 2 | Rtw Investments, LP | 7.75M | $527.76M |
| 3 | Janus Henderson Group PLC | 7.19M | $490.00M |
| 4 | State Street Corp | 4.35M | $296.13M |
| 5 | Wellington Management Group LLP | 3.94M | $268.61M |
| 6 | Toronto Dominion Bank | 3.03M | $206.16M |
| 7 | Geode Capital Management, LLC | 2.21M | $150.59M |
| 8 | Armistice Capital, LLC | 2.07M | $141.33M |
| 9 | Bank Of America Corp /De/ | 1.89M | $128.55M |
| 10 | Hood River Capital Management LLC | 1.66M | $113.41M |