PTC THERAPEUTICS, INC.PTCTEarnings & Financial Report
Nasdaq · Health Care · Pharmaceutical Preparations
PTC Therapeutics, Inc. is a US pharmaceutical company focused on the development of orally administered small molecule drugs and gene therapy which regulate gene expression by targeting post-transcriptional control (PTC) mechanisms in orphan diseases.
Top Holders
| Holder | % Owned | Shares | Change | As of |
|---|---|---|---|---|
| The Vanguard Group | 11.66% | 8.8M | — | 2024-02-13 |
| Wellington Management Group LLP | 10.26% | 7.9M | ▼ -2.75pp | 2024-11-08 |
| BlackRock, Inc. | 10.20% | 7.7M | — | 2024-01-08 |
| RTW Investments, LP | 9.80% | 7.4M | — | 2024-02-14 |
| Armistice Capital, LLC | 9.40% | 7.2M | ▲ +0.30pp | 2024-11-14 |
| Camber Capital | 5.31% | 4.0M | — | 2023-10-30 |
| STATE STREET CORPORATION | 3.80% | 2.9M | ▼ -2.34pp | 2024-10-18 |
| FMR LLC | 2.40% | 1.8M | ▼ -6.12pp | 2024-01-10 |
Insider Transactions
Net 90d: −$8.63M · buys $0 / sells $8.63MRange:
Action:
Role:
| Insider | Role | Action | ||||
|---|---|---|---|---|---|---|
| 2026-04-21 | Klein Matthew B. | CHIEF EXECUTIVE OFFICER | Sell (open market) | 2.9K | $70.91 | $202.1K |
| 2026-04-06 | Boulding Mark Elliott | EXEC. VP AND CLO | Option exercise | 2.3K | $39.42 | $89.3K |
| 2026-04-06 | Boulding Mark Elliott | EXEC. VP AND CLO | Sell (open market) | 822 | $68.91 | $56.6K |
| 2026-04-06 | Boulding Mark Elliott | EXEC. VP AND CLO | Sell (open market) | 1.4K | $69.75 | $100.6K |
| 2026-04-02 | Golden Lee Scott | EVP & CHIEF MEDICAL OFFICER | Sell (open market) | 829 | $67.99 | $56.4K |
| 2026-04-01 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | Sell (open market) | 39.4K | $68.89 | $2.71M |
| 2026-04-01 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | Sell (open market) | 12.5K | $69.50 | $870.8K |
| 2026-04-01 | Almstead Neil Gregory | CHIEF TECHNICAL OPS OFFICER | Sell (open market) | 80 | $70.30 | $5.6K |
| 2026-03-24 | Chutter Jessica Caroline | Director | Grant | 4.0K | $0.00 | $0 |
| 2026-03-24 | Chutter Jessica Caroline | Director | Grant | 3.3K | $0.00 | $0 |
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