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PTC Therapeutics (PTCT)
NASDAQ
$82.20+$1.24 (+1.53%)
Price as of Jun 23, 2026 6:42 PM EDT- $6.7BMarket Cap
- 63.23%1-Year Change
- BiotechnologyIndustry
PTC Therapeutics (PTCT)
$82.20+$1.24 (+1.53%)
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%) | Jan 31, 2026 |
iSHARES TRUST | 10.62% | 8.8M | +28,790 (+0.33%) | Mar 31, 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%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions1.5B (59.20%)
- Mutual Funds997.6M (40.60%)
- Insiders4.8M (0.20%)
- Other0 (0.00%)
Insider Transactions
- 0.20% (4.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 12Number of InsiderSelling (last 12 months)
- $915.3MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jun 17, 2026 | $0.00 | 8,510 | $0.00 | 32,950 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jun 17, 2026 | $0.00 | 2,012 | $0.00 | 30,938 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jun 17, 2026 | $396,055.40 | 8,510 | $46.54 | 113,722 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jun 17, 2026 | $518,100.00 | 6,600 | $78.50 | 107,122 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jun 17, 2026 | $146,594.00 | 1,850 | $79.24 | 105,272 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Jun 17, 2026 | $93,638.48 | 2,012 | $46.54 | 107,284 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jun 17, 2026 | $133,685.50 | 1,703 | $78.50 | 105,581 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Jun 17, 2026 | $24,488.25 | 309 | $79.25 | 105,272 |
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER | Exempt | Jun 17, 2026 | $0.00 | 19,686 | $0.00 | 15,314 |
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER | Exempt | Jun 17, 2026 | $505,733.34 | 19,686 | $25.69 | 89,885 |
Utter Christine Marie SVP, CHIEF ACCOUNTING OFFICER | Sell | Jun 17, 2026 | $1.5M | 19,686 | $75.56 | 70,199 |
Pauwels Eric CHIEF BUSINESS OFFICER | Sell | Jun 10, 2026 | $0.00 | 17,566 | $0.00 | 0 |
Pauwels Eric CHIEF BUSINESS OFFICER | Sell | Jun 10, 2026 | $278,325.00 | 3,711 | $75.00 | 73,411 |
Pauwels Eric CHIEF BUSINESS OFFICER | Exempt | Jun 10, 2026 | $316,363.66 | 17,566 | $18.01 | 90,977 |
Pauwels Eric CHIEF BUSINESS OFFICER | Sell | Jun 10, 2026 | $1.3M | 17,566 | $75.00 | 73,411 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Apr 06, 2026 | $0.00 | 2,265 | $0.00 | 6,798 |
Boulding Mark Elliott EXEC. VP AND CLO | Exempt | Apr 06, 2026 | $89,286.30 | 2,265 | $39.42 | 107,477 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Apr 06, 2026 | $56,644.02 | 822 | $68.91 | 106,655 |
Boulding Mark Elliott EXEC. VP AND CLO | Sell | Apr 06, 2026 | $100,649.25 | 1,443 | $69.75 | 105,212 |
Golden Lee Scott EVP & CHIEF MEDICAL OFFICER | Sell | Apr 02, 2026 | $56,363.71 | 829 | $67.99 | 79,115 |
Chutter Jessica Caroline | Award | Mar 24, 2026 | $0.00 | 3,475 | $0.00 | 3,475 |
Chutter Jessica Caroline | Award | Mar 24, 2026 | $0.00 | 2,896 | $0.00 | 2,896 |
Chutter Jessica Caroline | Award | Mar 24, 2026 | $0.00 | 4,000 | $0.00 | 4,000 |
Chutter Jessica Caroline | Award | Mar 24, 2026 | $0.00 | 3,333 | $0.00 | 7,333 |
Klein Matthew B. CHIEF EXECUTIVE OFFICER | Sell | Mar 12, 2026 | $170,580.96 | 2,662 | $64.08 | 396,920 |
Klein Matthew B. CHIEF EXECUTIVE OFFICER | Award | Mar 11, 2026 | $0.00 | 12,500 | $0.00 | 399,582 |
Okey Stephanie | Exempt | Mar 10, 2026 | $0.00 | 1,167 | $0.00 | 0 |
Okey Stephanie | Exempt | Mar 10, 2026 | $0.00 | 14,000 | $0.00 | 0 |
Okey Stephanie | Exempt | Mar 10, 2026 | $39,246.21 | 1,167 | $33.63 | 9,167 |
Okey Stephanie | Sell | Mar 10, 2026 | $81,690.00 | 1,167 | $70.00 | 8,000 |