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PTC Therapeutics (PTCT)
NASDAQ
$80.75-$0.58 (-0.71%)
Price as of Jul 13, 2026 6:18 PM EDT- $7.0BMarket Cap
- 64.44%1-Year Change
- BiotechnologyIndustry
PTC Therapeutics (PTCT)
$80.75-$0.58 (-0.71%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
BLACKROCK, INC. | 15.61% | 12.9M | +169,652 (+1.31%) | Mar 31, 2026 |
VANGUARD GROUP INC | 10.61% | 8.8M | +514,204 (+5.84%) | Dec 31, 2025 |
WELLINGTON MANAGEMENT CO LLP | 9.83% | 8.2M | -611,780 (-7.50%) | Dec 31, 2021 |
BLACKROCK FUNDING, INC. /DE | 9.52% | 7.9M | -84,412 (-1.07%) | Dec 31, 2024 |
BLACKROCK INC. | 9.37% | 7.8M | +207,054 (+2.66%) | Jun 30, 2024 |
RTW INVESTMENTS, LP | 9.34% | 7.7M | 0 (0.00%) | Mar 31, 2026 |
JANUS HENDERSON GROUP PLC | 8.67% | 7.2M | +2.3M (+32.56%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
Franklin Investors Securities Trust | 57.87% | 48.0M | 0 (0.00%) | Apr 30, 2026 |
COLUMBIA FUNDS SERIES TRUST | 12.66% | 10.5M | 0 (0.00%) | Apr 30, 2026 |
AQR Funds | 9.46% | 7.8M | 0 (0.00%) | Mar 31, 2026 |
Virtus Strategy Trust | 8.23% | 6.8M | 0 (0.00%) | Sep 30, 2025 |
VANGUARD INDEX FUNDS | 7.84% | 6.5M | +282,456 (+4.34%) | Mar 31, 2026 |
LORD ABBETT INVESTMENT TRUST | 4.03% | 3.3M | 0 (0.00%) | Feb 28, 2026 |
RUSSELL INVESTMENT CO | 3.89% | 3.2M | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions1.5B (57.21%)
- Mutual Funds1.1B (42.60%)
- Insiders4.8M (0.19%)
- Other0 (0.00%)
Insider Transactions
- 0.19% (4.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 13Number of InsiderSelling (last 12 months)
- $1.1BAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Smith Mary L. | Exempt | Jul 09, 2026 | $0.00 | 10,000 | $0.00 | 0 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 09, 2026 | $0.00 | 2,464 | $0.00 | 45,036 |
Smith Mary L. | Exempt | Jul 09, 2026 | $0.00 | 5,834 | $0.00 | 0 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 09, 2026 | $114,674.56 | 2,464 | $46.54 | 62,763 |
Smith Mary L. | Exempt | Jul 09, 2026 | $429,500.00 | 10,000 | $42.95 | 31,813 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 09, 2026 | $222,376.00 | 2,464 | $90.25 | 60,299 |
Smith Mary L. | Sell | Jul 09, 2026 | $900,000.00 | 10,000 | $90.00 | 21,813 |
Smith Mary L. | Exempt | Jul 09, 2026 | $250,570.30 | 5,834 | $42.95 | 27,647 |
Smith Mary L. | Sell | Jul 09, 2026 | $525,060.00 | 5,834 | $90.00 | 21,813 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 07, 2026 | $0.00 | 24,613 | $0.00 | 9,063 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 07, 2026 | $970,244.46 | 24,613 | $39.42 | 84,912 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 07, 2026 | $344,844.52 | 3,956 | $87.17 | 80,956 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 07, 2026 | $1.0M | 11,369 | $89.03 | 69,587 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 07, 2026 | $830,718.72 | 9,288 | $89.44 | 60,299 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jul 06, 2026 | $0.00 | 2,226 | $0.00 | 4,532 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 06, 2026 | $0.00 | 811 | $0.00 | 18,876 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jul 06, 2026 | $0.00 | 2,813 | $0.00 | 28,125 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 06, 2026 | $0.00 | 18,876 | $0.00 | 0 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jul 06, 2026 | $89,325.72 | 2,266 | $39.42 | 107,538 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 06, 2026 | $0.00 | 2,474 | $0.00 | 33,676 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jul 06, 2026 | $26,010.30 | 313 | $83.10 | 107,225 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 06, 2026 | $30,899.10 | 811 | $38.10 | 61,110 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jul 06, 2026 | $70,313.53 | 833 | $84.41 | 106,392 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 06, 2026 | $36,329.28 | 426 | $85.28 | 60,684 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jul 06, 2026 | $44,550.96 | 519 | $85.84 | 105,873 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 06, 2026 | $33,240.90 | 385 | $86.34 | 60,299 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jul 06, 2026 | $51,914.38 | 601 | $86.38 | 105,272 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Exempt | Jul 06, 2026 | $719,175.60 | 18,876 | $38.10 | 79,175 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jul 06, 2026 | $130,917.02 | 2,813 | $46.54 | 108,085 |
Almstead Neil Gregory CHIEF TECHNICAL OPS OFFICER | Sell | Jul 06, 2026 | $749,885.10 | 8,786 | $85.35 | 70,389 |