PTCT
PTC Therapeutics, Inc.
NASDAQ · USHealthcareBiotechnology
$77.84-0.95%
Price as of Jul 20, 2026
PTCT ownership
PTC Therapeutics, Inc. ownership & insider activity
Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.
Insider Activity
Sentiment
0/100
Buys (3m)
0
Sells (3m)
46
Net (3m)
-$15.6M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price +8.7%Institutions accumulating (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| Jul 16, 2026 | Gravier Pierreofficer: CHIEF FINANCIAL OFFICER | Sell | 3,494 | $80.35 |
| Jul 13, 2026 | Smith Mary L.director | Sell | 5,834 | $90.00 |
| Jul 13, 2026 | Smith Mary L.director | Option | 5,834 | $42.95 |
| Jul 13, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 2,464 | $46.54 |
| Jul 13, 2026 | Smith Mary L.director | Option | 10,000 | $42.95 |
| Jul 13, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 2,464 | $90.25 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 18,876 | $38.10 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 385 | $86.34 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 811 | $38.10 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 3,956 | $87.17 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 645 | $85.84 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 519 | $85.84 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 426 | $85.28 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 11,369 | $89.03 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 833 | $84.41 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 9,288 | $89.44 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 2,226 | $39.42 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 8,786 | $85.35 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 313 | $83.10 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 10,090 | $86.32 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 745 | $86.38 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 2,813 | $46.54 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 2,474 | $39.42 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Sell | 2,474 | $87.03 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 1,036 | $84.41 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Sell | 387 | $83.10 |
| Jul 8, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 24,613 | $39.42 |
| Jul 8, 2026 | Boulding Mark Elliottofficer: EXEC. VP AND CLO | Option | 2,266 | $39.42 |
| Jun 30, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 7,718 | $38.10 |
| Jun 30, 2026 | Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICER | Option | 412 | $38.10 |
Source: PTCT SEC Form 4 filings, latest Jul 16, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their PTCT positions over the last 6 months (SEC Form 13F).
Increased
282
New positions
156
Reduced
201
Sold out
96
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| BLACKROCK, INC. | Increased | 12.9M | May 13, 2026 |
| BLACKROCK, INC. | Increased | 12.8M | Feb 12, 2026 |
| VANGUARD GROUP INC | Increased | 8.8M | Jan 29, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7.7M | Feb 17, 2026 |
| RTW INVESTMENTS, LP | Unchanged | 7.7M | May 15, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 7.2M | May 18, 2026 |
| JANUS HENDERSON GROUP PLC | Increased | 4.9M | Feb 17, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | New Position | 4.8M | May 8, 2026 |
| STATE STREET CORP | Increased | 4.3M | May 15, 2026 |
| STATE STREET CORP | Increased | 4.2M | Feb 13, 2026 |
| TORONTO DOMINION BANK | Increased | 4.1M | Feb 17, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Increased | 3.9M | May 15, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | Reduced | 3.9M | Feb 17, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | New Position | 3.7M | May 15, 2026 |
| TORONTO DOMINION BANK | Reduced | 3.0M | May 15, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.