PTC Therapeutics, Inc.
PTCT- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001070081
In the last 90 days, PTC Therapeutics, Inc. insiders filed 0 open-market purchases and 11 sales; 382 institutions reported holding it in 13F filings for Q2 2026, worth $8.20B in total; no superinvestor holds it.
13F holders, Q2 2026
Institutional positions in PTC Therapeutics, Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 382
- +32 vs. Q1 2026
- Shares held
- 100.5M
- +12.2M (+13.8%) vs. Q1 2026
- Total value
- $8.20B
- +$2.18B (+36.3%) vs. Q1 2026
- New holders
- 76
- 143 more added
- Sold out
- 44
- 112 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting PTCT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 382 | $8.20B |
| Q1 2026 | 352 | $6.51B |
| Q4 2025 | 353 | $7.04B |
| Q3 2025 | 294 | $5.07B |
| Q2 2025 | 284 | $3.90B |
| Q1 2025 | 261 | $4.02B |
| Q4 2024 | 240 | $3.51B |
| Q3 2024 | 203 | $2.93B |
| Q2 2024 | 199 | $2.44B |
| Q1 2024 | 184 | $2.48B |
| Q4 2023 | 174 | $2.33B |
| Q3 2023 | 181 | $1.83B |
| Q2 2023 | 206 | $3.30B |
| Q1 2023 | 203 | $3.81B |
| Q4 2022 | 203 | $2.94B |
| Q3 2022 | 213 | $3.83B |
| Q2 2022 | 182 | $2.97B |
| Q1 2022 | 184 | $2.76B |
| Q4 2021 | 179 | $3.00B |
| Q3 2021 | 184 | $2.77B |
| Q2 2021 | 183 | $3.13B |
| Q1 2021 | 208 | $3.52B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 13,964,554 | $1.14B | 0.02% | +1,015,837+7.8% | Added |
| RTW Investments, LP | 7,746,415 | $631.9M | 5.39% | 00.0% | Unchanged |
| Jupiter Topco LLC | 7,236,402 | $590.2M | 0.24% | +7,236,402 | New |
| Vanguard Portfolio Management LLC | 4,928,111 | $402.0M | 0.02% | +123,517+2.6% | Added |
| State Street Corp | 4,598,952 | $375.1M | 0.01% | +252,433+5.8% | Added |
| Wellington Management Group LLP | 4,128,273 | $336.7M | 0.06% | +185,663+4.7% | Added |
| Vanguard Capital Management LLC | 3,739,127 | $305.0M | 0.01% | +62,871+1.7% | Added |
| Geode Capital Management, LLC | 2,207,376 | $180.1M | 0.01% | −2,578−0.1% | Reduced |
| Toronto Dominion Bank | 2,165,846 | $176.7M | 0.29% | −860,117−28.4% | Reduced |
| Westfield Capital Management Co LP | 1,956,156 | $159.6M | 0.52% | +1,956,156 | New |
| Hood River Capital Management LLC | 1,738,613 | $141.8M | 1.03% | +74,054+4.4% | Added |
| William Blair Investment Management, LLC | 1,722,688 | $140.5M | 0.42% | +1,722,688 | New |
| D. E. Shaw & Co., Inc. | 1,548,919 | $126.3M | 0.08% | −91,462−5.6% | Reduced |
| Tang Capital Management LLC | 1,500,000 | $122.4M | 5.56% | 00.0% | Unchanged |
| Bank of America Corp | 1,452,277 | $118.5M | 0.01% | −434,564−23.0% | Reduced |
| Driehaus Capital Management LLC | 1,440,107 | $117.5M | 0.68% | +424,335+41.8% | Added |
| FMR LLC | 1,398,261 | $114.1M | 0.00% | −130,101−8.5% | Reduced |
| Jefferies Financial Group Inc. | 1,357,042 | $110.7M | 1.02% | +2,583+0.2% | Added |
| Fuller & Thaler Asset Management, Inc. | 1,156,819 | $94.4M | 0.26% | +1,156,819 | New |
| Pictet Asset Management Holding SA | 1,147,844 | $93.6M | 0.09% | −35,876−3.0% | Reduced |
| Price T Rowe Associates Inc | 1,114,516 | $90.9M | 0.01% | +639,368+134.6% | Added |
| Morgan Stanley | 1,103,675 | $90.0M | 0.00% | +429,541+63.7% | Added |
| Armistice Capital, LLC | 1,071,395 | $87.4M | 2.42% | −1,003,054−48.4% | Reduced |
| Blue Sparrow, LLC | 1,050,700 | $85.7M | 0.83% | +860,100+451.3% | Added |
| Franklin Resources Inc | 1,027,327 | $83.8M | 0.02% | −94,061−8.4% | Reduced |
| Invesco Ltd. | 941,581 | $76.8M | 0.01% | +76,130+8.8% | Added |
| Palo Alto Investors LP | 918,846 | $75.0M | 10.36% | −2,761−0.3% | Reduced |
| Northern Trust Corp | 880,029 | $71.8M | 0.01% | +73,753+9.1% | Added |
| Charles Schwab Investment Management Inc | 790,112 | $64.4M | 0.01% | +58,470+8.0% | Added |
| Citadel Advisors LLC | 747,822 | $61.0M | 0.04% | +362,623+94.1% | Added |
| Renaissance Technologies LLC | 723,500 | $59.0M | 0.08% | +190,200+35.7% | Added |
| Boston Partners | 718,574 | $58.6M | 0.05% | +71,092+11.0% | Added |
| Jupiter Asset Management Ltd | 707,450 | $57.7M | 0.29% | −4,007−0.6% | Reduced |
| Marshall Wace, LLP | 704,787 | $57.5M | 0.05% | +244,149+53.0% | Added |
| JPMorgan Chase & Co | 684,042 | $56.1M | 0.00% | +338,025+97.7% | Added |
| Arrowstreet Capital, Limited Partnership | 654,382 | $53.4M | 0.02% | +542,750+486.2% | Added |
| Dimensional Fund Advisors LP | 637,704 | $52.0M | 0.01% | −253,011−28.4% | Reduced |
| Goldman Sachs Group Inc | 618,247 | $50.4M | 0.01% | −209,384−25.3% | Reduced |
| SG Americas Securities, LLC | 605,581 | $49.4M | 0.03% | −274,120−31.2% | Reduced |
| Loomis Sayles & Co L P | 590,374 | $48.2M | 0.06% | +96,771+19.6% | Added |
| Lord, Abbett & Co. LLC | 590,074 | $48.1M | 0.14% | −27,047−4.4% | Reduced |
| Vanguard Fiduciary Trust Co | 587,887 | $48.0M | 0.01% | +34,229+6.2% | Added |
| Nuveen, LLC | 583,829 | $47.6M | 0.01% | −83,190−12.5% | Reduced |
| Bank of New York Mellon Corp | 553,462 | $45.1M | 0.01% | +30,699+5.9% | Added |
| Principal Financial Group Inc | 541,635 | $44.2M | 0.02% | +26,634+5.2% | Added |
| Voya Investment Management LLC | 539,319 | $44.0M | 0.04% | +196,682+57.4% | Added |
| Ensign Peak Advisors, Inc | 508,056 | $41.4M | 0.07% | −74,262−12.8% | Reduced |
| American Century Companies Inc | 500,995 | $40.9M | 0.02% | +495,992+9,913.9% | Added |
| Federated Hermes, Inc. | 483,424 | $39.4M | 0.06% | +257,508+114.0% | Added |
| Manufacturers Life Insurance Company, The | 441,957 | $36.1M | 0.03% | +16,717+3.9% | Added |
| Parkman Healthcare Partners LLC | 435,691 | $35.5M | 3.65% | +4,327+1.0% | Added |
| Defilade Capital Management, L.P. | 433,699 | $35.4M | 4.74% | +57,534+15.3% | Added |
| Russell Investments Group, Ltd. | 418,025 | $34.1M | 0.03% | +82,586+24.6% | Added |
| Susquehanna International Group, LLP | 395,662 | $32.3M | 0.03% | +187,724+90.3% | Added |
| BNP Paribas Arbitrage, SA | 378,720 | $30.9M | 0.02% | −541,756−58.9% | Reduced |
| Legal & General Group Plc | 352,734 | $28.8M | 0.01% | +9,354+2.7% | Added |
| AQR Capital Management LLC | 332,251 | $27.1M | 0.01% | −9,855−2.9% | Reduced |
| Qube Research & Technologies Ltd | 311,374 | $25.4M | 0.03% | −202,449−39.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 303,685 | $24.8M | 0.02% | −8,125−2.6% | Reduced |
| Rockefeller Capital Management L.P. | 302,393 | $24.7M | 0.04% | −82,279−21.4% | Reduced |
| Deutsche Bank AG | 296,899 | $24.2M | 0.01% | +58,145+24.4% | Added |
| Public Sector Pension Investment Board | 285,023 | $23.2M | 0.06% | −46,829−14.1% | Reduced |
| Segall Bryant & Hamill, LLC | 271,735 | $22.2M | 0.26% | +76,355+39.1% | Added |
| UBS Group AG | 262,426 | $21.4M | 0.00% | −1,102,342−80.8% | Reduced |
| Allianz Asset Management GmbH | 231,102 | $18.9M | 0.02% | +223,702+3,023.0% | Added |
| Boxer Capital Management, LLC | 200,000 | $16.3M | 1.23% | 00.0% | Unchanged |
| Rhumbline Advisers | 192,706 | $15.7M | 0.01% | −19,756−9.3% | Reduced |
| Prudential Financial Inc | 185,820 | $15.2M | 0.02% | +21,250+12.9% | Added |
| Ameriprise Financial Inc | 171,874 | $14.0M | 0.00% | +5,215+3.1% | Added |
| Rock Springs Capital Management LP | 162,298 | $13.2M | 0.65% | +500+0.3% | Added |
| Hudson Bay Capital Management LP | 159,778 | $13.0M | 0.06% | +156,108+4,253.6% | Added |
| Schonfeld Strategic Advisors LLC | 147,425 | $12.0M | 0.06% | −170,980−53.7% | Reduced |
| Swiss National Bank | 141,465 | $11.5M | 0.01% | −1,400−1.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 135,633 | $11.1M | 0.02% | +5,951+4.6% | Added |
| HSBC Holdings PLC | 131,389 | $10.8M | 0.01% | −95,670−42.1% | Reduced |
| UBS Asset Management Americas Inc | 126,011 | $10.3M | 0.00% | −952−0.7% | Reduced |
| SEI Investments Co | 125,434 | $10.2M | 0.01% | −4,770−3.7% | Reduced |
| Citigroup Inc | 118,656 | $9.68M | 0.00% | +96,510+435.8% | Added |
| First Trust Advisors LP | 113,354 | $9.25M | 0.01% | −22,649−16.7% | Reduced |
| Longaeva Partners L.P. | 111,803 | $9.12M | 0.26% | +111,803 | New |
| Schroder Investment Management Group | 101,429 | $8.27M | 0.01% | −33,539−24.8% | Reduced |
| Sector Gamma AS | 100,000 | $8.16M | 1.77% | +25,000+33.3% | Added |
| WCM Investment Management, LLC | 93,799 | $7.65M | 0.01% | −888−0.9% | Reduced |
| Panagora Asset Management Inc | 88,956 | $7.26M | 0.02% | −262,414−74.7% | Reduced |
| Alliancebernstein L.P. | 105,937 | $7.22M | 0.00% | −46,239−30.4% | Reduced |
| Bessemer Group Inc | 85,056 | $6.94M | 0.01% | +32,243+61.1% | Added |
| Aquatic Capital Management LLC | 83,470 | $6.81M | 0.23% | +63,543+318.9% | Added |
| Wells Fargo & Company | 83,071 | $6.78M | 0.00% | +52,744+173.9% | Added |
| XTX Topco Ltd | 81,923 | $6.68M | 0.09% | +66,251+422.7% | Added |
| California State Teachers Retirement System | 81,733 | $6.67M | 0.01% | −2,587−3.1% | Reduced |
| Empowered Funds, LLC | 81,271 | $6.63M | 0.03% | +23,365+40.3% | Added |
| Moore Capital Management, LP | 75,588 | $6.17M | 0.14% | +30,894+69.1% | Added |
| Pinnacle Associates Ltd | 70,435 | $5.75M | 0.06% | −4,521−6.0% | Reduced |
| Raymond James Financial Inc | 69,660 | $5.68M | 0.00% | +17,205+32.8% | Added |
| Vanguard Asset Management, Ltd | 68,828 | $5.61M | 0.00% | +3,628+5.6% | Added |
| Great West Life Assurance Co | 64,112 | $5.22M | 0.01% | −1,266−1.9% | Reduced |
| Capricorn Fund Managers Ltd | 63,900 | $5.21M | 0.42% | +63,900 | New |
| Barclays PLC | 58,370 | $4.76M | 0.00% | +5,291+10.0% | Added |
| Intech Investment Management LLC | 57,581 | $4.70M | 0.04% | +1,632+2.9% | Added |
| ExodusPoint Capital Management, LP | 57,278 | $4.67M | 0.04% | +57,278 | New |