PTC TherapeuticsPTCT
13F holders, Q2 2026 (June 30)382holders +30
72new positions
44sold out
7famous investors
$81.55avg. 13F price*
At the end of Q2 2026, 382 institutions reported holding PTC Therapeutics Inc. (PTCT) in their 13F filings, up 30 from Q1 2026. 72 opened new positions and 44 sold out. The largest holders were BlackRock, Inc. ($1.1B), RTW Investments, LP ($631.9M) and Jupiter Topco LLC ($590.2M). 7 famous investors held it, including David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- PTC Therapeutics Inc.
- CUSIP
- 69366J200
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 72 | $450.3M |
| Exits | 44 | $94.7M |
All 13F filers, Q1 2026 → Q2 2026: 14,256,737 shares bought and 9,274,682 shares sold, net +4,982,055 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 382 holders
| BlackRock, Inc. | 0.02% | Add +7.8% | 13,964,554 | $1.1B |
| RTW Investments, LP | 5.39% | No change | 7,746,415 | $631.9M |
| Jupiter Topco LLC | 0.24% | — | 7,236,402 | $590.2M |
| Vanguard Portfolio Management LLC | 0.02% | Add +2.6% | 4,928,111 | $402.0M |
| State Street Corp. | 0.01% | Add +5.8% | 4,598,952 | $375.1M |
| Wellington Management Group LLP | 0.06% | Add +4.7% | 4,128,273 | $336.7M |
| Vanguard Capital Management LLC | 0.01% | Add +1.7% | 3,739,127 | $305.0M |
| Geode Capital Management, LLC | 0.01% | Reduce -0.1% | 2,207,376 | $180.1M |
| Toronto Dominion Bank | 0.30% | Reduce -28.4% | 2,165,846 | $176.7M |
| Westfield Capital Management Co. LP | 0.52% | New | 1,956,156 | $159.6M |
| Hood River Capital Management LLC | 1.03% | Add +4.5% | 1,738,613 | $141.8M |
| William Blair Investment Management, LLC | 0.42% | New | 1,722,688 | $140.5M |
| D. E. Shaw & Co. | 0.08% | Reduce -5.6% | 1,548,919 | $126.3M |
| Tang Capital Management LLC | 5.59% | No change | 1,500,000 | $122.4M |
| Bank of America Corp. | 0.01% | Reduce -23.0% | 1,452,277 | $118.5M |
| Driehaus Capital Management LLC | 0.68% | Add +41.8% | 1,440,107 | $117.5M |
| FMR LLC | 0.01% | Reduce -8.5% | 1,398,261 | $114.1M |
| Jefferies Financial Group Inc. | 1.05% | Add +0.2% | 1,357,042 | $110.7M |
| Fuller & Thaler Asset Management, Inc. | 0.26% | New | 1,156,819 | $94.4M |
| Pictet Asset Management Holding SA | 0.09% | Reduce -3.0% | 1,147,844 | $93.6M |
| T. Rowe Price Associates Inc. | 0.01% | Add +134.6% | 1,114,516 | $90.9M |
| Morgan Stanley | 0.00% | Add +63.7% | 1,103,675 | $90.0M |
| Armistice Capital, LLC | 2.42% | Reduce -48.4% | 1,071,395 | $87.4M |
| Blue Sparrow, LLC | 0.83% | Add +451.3% | 1,050,700 | $85.7M |
| Franklin Resources Inc. | 0.02% | Reduce -8.4% | 1,027,327 | $83.8M |
| Invesco Ltd. | 0.01% | Add +8.8% | 941,581 | $76.8M |
| Palo Alto Investors LP | 10.36% | Reduce -0.3% | 918,846 | $75.0M |
| Northern Trust Corp. | 0.01% | Add +9.2% | 880,029 | $71.8M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +8.0% | 790,112 | $64.4M |
| Citadel Advisors | 0.04% | Add +94.1% | 747,822 | $61.0M |
| Renaissance Technologies | 0.08% | Add +35.7% | 723,500 | $59.0M |
| Boston Partners | 0.05% | Add +11.0% | 718,574 | $58.6M |
| Jupiter Asset Management Ltd. | 0.29% | Reduce -0.6% | 707,450 | $57.7M |
| Marshall Wace, LLP | 0.05% | Add +53.0% | 704,787 | $57.5M |
| JPMorgan Chase & Co. | 0.00% | Add +97.7% | 684,042 | $56.1M |
| Arrowstreet Capital, Limited Partnership | 0.02% | Add +486.2% | 654,382 | $53.4M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -28.4% | 637,704 | $52.0M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -25.3% | 618,247 | $50.4M |
| SG Americas Securities, LLC | 0.03% | Reduce -31.2% | 605,581 | $49.4M |
| Loomis Sayles & Co. L P | 0.06% | Add +19.6% | 590,374 | $48.2M |
| Lord, Abbett & Co. LLC | 0.14% | Reduce -4.4% | 590,074 | $48.1M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +6.2% | 587,887 | $48.0M |
| Nuveen, LLC | 0.01% | Reduce -12.5% | 583,829 | $47.6M |
| Bank of New York Mellon Corp | 0.01% | Add +5.9% | 553,462 | $45.1M |
| Principal Financial Group Inc. | 0.02% | Add +5.2% | 541,635 | $44.2M |
| Voya Investment Management LLC | 0.04% | Add +57.4% | 539,319 | $44.0M |
| Ensign Peak Advisors, Inc | 0.07% | Reduce -12.8% | 508,056 | $41.4M |
| American Century Companies Inc. | 0.02% | Add +9913.9% | 500,995 | $40.9M |
| Federated Hermes, Inc. | 0.06% | Add +114.0% | 483,424 | $39.4M |
| Manufacturers Life Insurance Company, The | 0.03% | Add +3.9% | 441,957 | $36.1M |
| Parkman Healthcare Partners LLC | 3.65% | Add +1.0% | 435,691 | $35.5M |
| Defilade Capital Management, L.P. | 4.74% | Add +15.3% | 433,699 | $35.4M |
| Russell Investments Group, Ltd. | 0.03% | Add +24.6% | 418,025 | $34.1M |
| Susquehanna International Group, LLP | 0.03% | Add +90.3% | 395,662 | $32.3M |
| BNP Paribas Financial Markets | 0.02% | Reduce -58.9% | 378,720 | $30.9M |
| Legal & General Group Plc | 0.01% | Add +2.7% | 352,734 | $28.8M |
| AQR Capital Management | 0.01% | Reduce -2.9% | 332,251 | $27.1M |
| Qube Research & Technologies Ltd | 0.03% | Reduce -39.4% | 311,374 | $25.4M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Reduce -2.6% | 303,685 | $24.8M |
| Rockefeller Capital Management L.P. | 0.04% | Reduce -21.4% | 302,393 | $24.7M |
| Deutsche Bank AG | 0.01% | Add +24.4% | 296,899 | $24.2M |
| Public Sector Pension Investment Board | 0.06% | Reduce -14.1% | 285,023 | $23.2M |
| Segall Bryant & Hamill, LLC | 0.26% | Add +39.1% | 271,735 | $22.2M |
| UBS Group AG | 0.00% | Reduce -80.8% | 262,426 | $21.4M |
| Allianz Asset Management GmbH | 0.02% | Add +3023.0% | 231,102 | $18.9M |
| Boxer Capital Management, LLC | 1.23% | No change | 200,000 | $16.3M |
| Rhumbline Advisers | 0.01% | Reduce -9.3% | 192,706 | $15.7M |
| Prudential Financial Inc. | 0.02% | Add +12.9% | 185,820 | $15.2M |
| Ameriprise Financial Inc. | 0.00% | Add +3.1% | 171,874 | $14.0M |
| Rock Springs Capital Management LP | 0.65% | Add +0.3% | 162,298 | $13.2M |
| Hudson Bay Capital Management LP | 0.07% | Add +4253.6% | 159,778 | $13.0M |
| Schonfeld Strategic Advisors LLC | 0.06% | Reduce -53.7% | 147,425 | $12.0M |
| Swiss National Bank | 0.01% | Reduce -1.0% | 141,465 | $11.5M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.02% | Add +4.6% | 135,633 | $11.1M |
| HSBC Holdings PLC | 0.01% | Reduce -42.1% | 131,389 | $10.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -0.8% | 126,011 | $10.3M |
| Sei Investments Co. | 0.01% | Reduce -3.7% | 125,434 | $10.2M |
| Citigroup Inc. | 0.00% | Add +435.8% | 118,656 | $9.7M |
| First Trust Advisors LP | 0.01% | Reduce -16.6% | 113,354 | $9.2M |
| Longaeva Partners L.P. | 0.26% | New | 111,803 | $9.1M |
| Schroder Investment Management Group | 0.01% | Reduce -24.9% | 101,429 | $8.3M |
| Sector Gamma As | 1.77% | Add +33.3% | 100,000 | $8.2M |
| WCM Investment Management, LLC | 0.01% | Reduce -0.9% | 93,799 | $7.7M |
| Panagora Asset Management Inc. | 0.02% | Reduce -74.7% | 88,956 | $7.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -30.4% | 105,937 | $7.2M |
| Bessemer Group Inc. | 0.01% | Add +61.0% | 85,056 | $6.9M |
| Aquatic Capital Management LLC | 0.23% | Add +318.9% | 83,470 | $6.8M |
| Wells Fargo & Company | 0.00% | Add +173.9% | 83,071 | $6.8M |
| XTX Topco Ltd | 0.09% | Add +422.7% | 81,923 | $6.7M |
| California State Teachers Retirement System | 0.01% | Reduce -3.1% | 81,733 | $6.7M |
| Empowered Funds, LLC | 0.03% | Add +40.4% | 81,271 | $6.6M |
| Moore Capital Management, LP | 0.15% | Add +69.1% | 75,588 | $6.2M |
| Pinnacle Associates Ltd. | 0.06% | Reduce -6.0% | 70,435 | $5.7M |
| Raymond James Financial Inc. | 0.00% | Add +32.8% | 69,660 | $5.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.00% | Add +5.6% | 68,828 | $5.6M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -1.9% | 64,112 | $5.2M |
| Capricorn Fund Managers Ltd | 0.42% | New | 63,900 | $5.2M |
| Barclays PLC | 0.00% | Add +10.0% | 58,370 | $4.8M |
| Intech Investment Management LLC | 0.04% | Add +2.9% | 57,581 | $4.7M |
| ExodusPoint Capital Management, LP | 0.04% | New | 57,278 | $4.7M |
"% of holder's portfolio" is PTCT's weight in each manager's 13F, not the share of PTC Therapeutics Inc. the manager owns.