PTC TherapeuticsPTCT
13F holders, Q2 2025 (June 30)At the end of Q2 2025, 284 institutions reported holding PTC Therapeutics Inc. (PTCT) in their 13F filings, up 23 from Q1 2025. 57 opened new positions and 35 sold out. The largest holders were Vanguard Group Inc. ($432.1M), RTW Investments, LP ($378.3M) and BlackRock, Inc. ($365.3M). 6 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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $99.6M |
| Exits | 35 | $190.3M |
All 13F filers, Q1 2025 → Q2 2025: 10,264,193 shares bought and 9,124,724 shares sold, net +1,139,469 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 284 holders
| Vanguard Group Inc. | 0.01% | Add +2.8% | 8,847,467 | $432.1M |
| RTW Investments, LP | 5.39% | Add +3.5% | 7,746,415 | $378.3M |
| BlackRock, Inc. | 0.01% | Reduce -3.7% | 7,480,432 | $365.3M |
| Armistice Capital, LLC | 8.77% | Reduce -12.9% | 4,735,464 | $231.3M |
| Wellington Management Group LLP | 0.04% | Reduce -13.4% | 4,694,138 | $229.3M |
| Janus Henderson Group PLC | 0.08% | Add +8.9% | 3,175,015 | $155.0M |
| State Street Corp. | 0.01% | Add +22.1% | 2,996,454 | $146.3M |
| Toronto Dominion Bank | 0.26% | Reduce -6.4% | 2,445,958 | $119.5M |
| D. E. Shaw & Co. | 0.13% | Add +68.7% | 2,437,697 | $119.1M |
| Geode Capital Management, LLC | 0.01% | Add +3.2% | 1,934,593 | $94.5M |
| FMR LLC | 0.00% | Reduce -14.7% | 1,718,287 | $83.9M |
| Bank of America Corp. | 0.01% | Add +167.7% | 1,381,408 | $67.5M |
| Franklin Resources Inc. | 0.02% | Add +0.1% | 1,274,760 | $62.3M |
| Morgan Stanley | 0.00% | Add +22.5% | 1,163,339 | $56.8M |
| Tang Capital Management LLC | 2.72% | Add +10.0% | 1,100,000 | $53.7M |
| Driehaus Capital Management LLC | 0.41% | Reduce -30.0% | 1,059,026 | $51.7M |
| Pictet Asset Management Holding SA | 0.05% | Reduce -0.1% | 1,041,431 | $51.1M |
| Nuveen, LLC | 0.01% | Reduce -4.0% | 968,892 | $47.3M |
| Renaissance Technologies | 0.06% | Add +43.7% | 963,300 | $47.0M |
| Citadel Advisors | 0.04% | Reduce -21.2% | 920,493 | $45.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.09% | Add +25.6% | 789,494 | $38.6M |
| Goldman Sachs Group Inc. | 0.01% | Add +28.7% | 775,753 | $37.9M |
| Pacer Advisors, Inc. | 0.09% | New | 740,817 | $36.2M |
| Northern Trust Corp. | 0.01% | Reduce -0.7% | 739,191 | $36.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +6.9% | 707,704 | $34.6M |
| Man Group plc | 0.07% | Add +157.4% | 671,513 | $32.8M |
| Hood River Capital Management LLC | 0.43% | Add +654.4% | 636,502 | $31.1M |
| Assenagon Asset Management S.A. | 0.05% | Add +86.9% | 631,622 | $30.8M |
| Adage Capital Partners Gp, L.L.C. | 0.05% | Add +1.8% | 605,905 | $29.6M |
| JPMorgan Chase & Co. | 0.00% | Reduce -0.3% | 601,560 | $29.4M |
| UBS Group AG | 0.01% | Reduce -54.4% | 578,950 | $28.3M |
| Marshall Wace, LLP | 0.03% | Reduce -27.4% | 537,776 | $26.3M |
| AQR Capital Management | 0.02% | Add +30.1% | 537,116 | $26.2M |
| Dimensional Fund Advisors LP | 0.01% | Reduce -6.1% | 527,404 | $25.8M |
| Rockefeller Capital Management L.P. | 0.05% | Add +1.7% | 463,079 | $22.6M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -3.2% | 453,602 | $22.2M |
| MPM Bioimpact LLC | 3.71% | Reduce -0.3% | 438,477 | $21.4M |
| Susquehanna International Group, LLP | 0.03% | Add +307.0% | 431,730 | $21.1M |
| Palo Alto Investors LP | 4.22% | Add +0.6% | 406,469 | $19.9M |
| Lord, Abbett & Co. LLC | 0.06% | New | 384,447 | $18.8M |
| Millennium Management | 0.02% | Add +71.0% | 384,402 | $18.8M |
| Sofinnova Investments, Inc. | 1.25% | Reduce -35.1% | 375,939 | $18.4M |
| Qube Research & Technologies Ltd | 0.02% | Add +14.0% | 338,163 | $16.5M |
| Invesco Ltd. | 0.00% | Reduce -2.3% | 303,234 | $14.8M |
| Citigroup Inc. | 0.01% | Reduce -5.7% | 288,536 | $14.1M |
| Panagora Asset Management Inc. | 0.06% | Reduce -8.3% | 286,057 | $14.0M |
| Barclays PLC | 0.01% | Add +111.4% | 279,812 | $13.7M |
| Trexquant Investment LP | 0.15% | Add +40.8% | 272,774 | $13.3M |
| Royal Bank of Canada | 0.00% | Add +14733.3% | 272,339 | $13.3M |
| Ensign Peak Advisors, Inc | 0.02% | Reduce -2.2% | 268,217 | $13.1M |
| Bank of New York Mellon Corp | 0.00% | Add +23.0% | 266,171 | $13.0M |
| Voya Investment Management LLC | 0.01% | Add +132.3% | 260,492 | $12.7M |
| Voloridge Investment Management, LLC | 0.04% | Reduce -47.1% | 243,601 | $11.9M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +28.5% | 229,672 | $11.2M |
| Legal & General Group Plc | 0.00% | Add +15.6% | 222,837 | $10.9M |
| Canada Pension Plan Investment Board | 0.01% | Add +30.0% | 211,000 | $10.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.01% | New | 207,889 | $10.2M |
| Squarepoint Ops LLC | 0.02% | Add +1603.8% | 181,978 | $8.9M |
| Parkman Healthcare Partners LLC | 1.03% | Reduce -35.2% | 181,643 | $8.9M |
| Candriam S.C.A. | 0.04% | Reduce -6.6% | 148,595 | $7.3M |
| Swiss National Bank | 0.00% | Add +0.7% | 135,565 | $6.6M |
| Deutsche Bank AG | 0.00% | Reduce -60.5% | 135,056 | $6.6M |
| Russell Investments Group, Ltd. | 0.01% | Add +865.6% | 131,749 | $6.4M |
| Acadian Asset Management LLC | 0.01% | Add +241.4% | 127,793 | $6.2M |
| BI Asset Management Fondsmaeglerselskab A/S | 0.06% | Add +10454.0% | 126,120 | $6.2M |
| First Trust Advisors LP | 0.00% | Reduce -11.6% | 125,322 | $6.1M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Reduce -14.1% | 124,340 | $6.1M |
| Rhumbline Advisers | 0.01% | Add +6.0% | 118,539 | $5.8M |
| Verition Fund Management LLC | 0.03% | Add +226.0% | 115,408 | $5.6M |
| Hillsdale Investment Management Inc. | 0.19% | Add +58.3% | 107,756 | $5.3M |
| Rafferty Asset Management, LLC | 0.02% | Add +71.1% | 97,629 | $4.8M |
| Pinnacle Associates Ltd. | 0.07% | Reduce -25.7% | 92,508 | $4.5M |
| Sector Gamma As | 1.47% | No change | 92,250 | $4.5M |
| Alliancebernstein L.P. | 0.00% | Reduce -31.0% | 91,970 | $4.5M |
| Raymond James Financial Inc. | 0.00% | Add +53.0% | 85,721 | $4.2M |
| Prudential Financial Inc. | 0.01% | Add +35.5% | 84,250 | $4.1M |
| Victory Capital Management Inc. | 0.00% | Add +679.3% | 72,177 | $3.5M |
| Sei Investments Co. | 0.00% | Add +513.2% | 69,068 | $3.4M |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 64,524 | $3.2M |
| Dark Forest Capital Management LP | 0.12% | Add +277.5% | 63,069 | $3.1M |
| Hussman Strategic Advisors, Inc. | 0.70% | Add +200.0% | 63,000 | $3.1M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.01% | Add +0.3% | 60,250 | $2.9M |
| Ieq Capital, LLC | 0.02% | Add +36.9% | 60,106 | $2.9M |
| Two Sigma Advisers, LP | 0.01% | Reduce -68.5% | 59,742 | $2.9M |
| Principal Financial Group Inc. | 0.00% | Add +824.7% | 54,000 | $2.6M |
| Jump Financial, LLC | 0.03% | New | 51,606 | $2.5M |
| Two Sigma Investments, LP | 0.00% | Reduce -36.5% | 50,851 | $2.5M |
| Brevan Howard Capital Management LP | 0.03% | New | 50,387 | $2.5M |
| Royce & Associates LP | 0.03% | New | 50,237 | $2.5M |
| Jane Street Group, LLC | 0.00% | Reduce -69.0% | 49,221 | $2.4M |
| State of Wisconsin Investment Board | 0.01% | Reduce -26.8% | 48,859 | $2.4M |
| Harbor Capital Advisors, Inc. | 0.10% | Add +19.8% | 48,767 | $2.4M |
| MetLife Investment Management, LLC | 0.01% | Add +4.5% | 46,331 | $2.3M |
| Jupiter Asset Management Ltd. | 0.02% | New | 46,104 | $2.3M |
| Los Angeles Capital Management LLC | 0.01% | Add +202.8% | 45,909 | $2.2M |
| Cubist Systematic Strategies, LLC | 0.02% | New | 45,641 | $2.2M |
| J. Goldman & Co LP | 0.07% | New | 44,058 | $2.2M |
| Wells Fargo & Company | 0.00% | Add +11.6% | 43,937 | $2.1M |
| American Century Companies Inc. | 0.00% | Reduce -22.1% | 43,844 | $2.1M |
| Massachusetts Financial Services Co. | 0.00% | Add +1.3% | 43,041 | $2.1M |
"% of holder's portfolio" is PTCT's weight in each manager's 13F, not the share of PTC Therapeutics Inc. the manager owns.