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 |
|---|---|---|---|---|---|
| Sector Gamma AS | 100,000 | $8.16M | 1.77% | +25,000+33.3% | Added |
| Schroder Investment Management Group | 101,429 | $8.27M | 0.01% | −33,539−24.8% | Reduced |
| Longaeva Partners L.P. | 111,803 | $9.12M | 0.26% | +111,803 | New |
| First Trust Advisors LP | 113,354 | $9.25M | 0.01% | −22,649−16.7% | Reduced |
| Citigroup Inc | 118,656 | $9.68M | 0.00% | +96,510+435.8% | Added |
| SEI Investments Co | 125,434 | $10.2M | 0.01% | −4,770−3.7% | Reduced |
| UBS Asset Management Americas Inc | 126,011 | $10.3M | 0.00% | −952−0.7% | Reduced |
| HSBC Holdings PLC | 131,389 | $10.8M | 0.01% | −95,670−42.1% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 135,633 | $11.1M | 0.02% | +5,951+4.6% | Added |
| Swiss National Bank | 141,465 | $11.5M | 0.01% | −1,400−1.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 147,425 | $12.0M | 0.06% | −170,980−53.7% | Reduced |
| Hudson Bay Capital Management LP | 159,778 | $13.0M | 0.06% | +156,108+4,253.6% | Added |
| Rock Springs Capital Management LP | 162,298 | $13.2M | 0.65% | +500+0.3% | Added |
| Ameriprise Financial Inc | 171,874 | $14.0M | 0.00% | +5,215+3.1% | Added |
| Prudential Financial Inc | 185,820 | $15.2M | 0.02% | +21,250+12.9% | Added |
| Rhumbline Advisers | 192,706 | $15.7M | 0.01% | −19,756−9.3% | Reduced |
| Boxer Capital Management, LLC | 200,000 | $16.3M | 1.23% | 00.0% | Unchanged |
| Allianz Asset Management GmbH | 231,102 | $18.9M | 0.02% | +223,702+3,023.0% | Added |
| UBS Group AG | 262,426 | $21.4M | 0.00% | −1,102,342−80.8% | Reduced |
| Segall Bryant & Hamill, LLC | 271,735 | $22.2M | 0.26% | +76,355+39.1% | Added |
| Public Sector Pension Investment Board | 285,023 | $23.2M | 0.06% | −46,829−14.1% | Reduced |
| Deutsche Bank AG | 296,899 | $24.2M | 0.01% | +58,145+24.4% | Added |
| Rockefeller Capital Management L.P. | 302,393 | $24.7M | 0.04% | −82,279−21.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 303,685 | $24.8M | 0.02% | −8,125−2.6% | Reduced |
| Qube Research & Technologies Ltd | 311,374 | $25.4M | 0.03% | −202,449−39.4% | Reduced |
| AQR Capital Management LLC | 332,251 | $27.1M | 0.01% | −9,855−2.9% | Reduced |
| Legal & General Group Plc | 352,734 | $28.8M | 0.01% | +9,354+2.7% | Added |
| BNP Paribas Arbitrage, SA | 378,720 | $30.9M | 0.02% | −541,756−58.9% | Reduced |
| Susquehanna International Group, LLP | 395,662 | $32.3M | 0.03% | +187,724+90.3% | Added |
| Russell Investments Group, Ltd. | 418,025 | $34.1M | 0.03% | +82,586+24.6% | Added |
| Defilade Capital Management, L.P. | 433,699 | $35.4M | 4.74% | +57,534+15.3% | Added |
| Parkman Healthcare Partners LLC | 435,691 | $35.5M | 3.65% | +4,327+1.0% | Added |
| Manufacturers Life Insurance Company, The | 441,957 | $36.1M | 0.03% | +16,717+3.9% | Added |
| Federated Hermes, Inc. | 483,424 | $39.4M | 0.06% | +257,508+114.0% | Added |
| American Century Companies Inc | 500,995 | $40.9M | 0.02% | +495,992+9,913.9% | Added |
| Ensign Peak Advisors, Inc | 508,056 | $41.4M | 0.07% | −74,262−12.8% | Reduced |
| Voya Investment Management LLC | 539,319 | $44.0M | 0.04% | +196,682+57.4% | Added |
| Principal Financial Group Inc | 541,635 | $44.2M | 0.02% | +26,634+5.2% | Added |
| Bank of New York Mellon Corp | 553,462 | $45.1M | 0.01% | +30,699+5.9% | Added |
| Nuveen, LLC | 583,829 | $47.6M | 0.01% | −83,190−12.5% | Reduced |
| Vanguard Fiduciary Trust Co | 587,887 | $48.0M | 0.01% | +34,229+6.2% | Added |
| Lord, Abbett & Co. LLC | 590,074 | $48.1M | 0.14% | −27,047−4.4% | Reduced |
| Loomis Sayles & Co L P | 590,374 | $48.2M | 0.06% | +96,771+19.6% | Added |
| SG Americas Securities, LLC | 605,581 | $49.4M | 0.03% | −274,120−31.2% | Reduced |
| Goldman Sachs Group Inc | 618,247 | $50.4M | 0.01% | −209,384−25.3% | Reduced |
| Dimensional Fund Advisors LP | 637,704 | $52.0M | 0.01% | −253,011−28.4% | Reduced |
| Arrowstreet Capital, Limited Partnership | 654,382 | $53.4M | 0.02% | +542,750+486.2% | Added |
| JPMorgan Chase & Co | 684,042 | $56.1M | 0.00% | +338,025+97.7% | Added |
| Marshall Wace, LLP | 704,787 | $57.5M | 0.05% | +244,149+53.0% | Added |
| Jupiter Asset Management Ltd | 707,450 | $57.7M | 0.29% | −4,007−0.6% | Reduced |
| Boston Partners | 718,574 | $58.6M | 0.05% | +71,092+11.0% | Added |
| Renaissance Technologies LLC | 723,500 | $59.0M | 0.08% | +190,200+35.7% | Added |
| Citadel Advisors LLC | 747,822 | $61.0M | 0.04% | +362,623+94.1% | Added |
| Charles Schwab Investment Management Inc | 790,112 | $64.4M | 0.01% | +58,470+8.0% | Added |
| Northern Trust Corp | 880,029 | $71.8M | 0.01% | +73,753+9.1% | Added |
| Palo Alto Investors LP | 918,846 | $75.0M | 10.36% | −2,761−0.3% | Reduced |
| Invesco Ltd. | 941,581 | $76.8M | 0.01% | +76,130+8.8% | Added |
| Franklin Resources Inc | 1,027,327 | $83.8M | 0.02% | −94,061−8.4% | Reduced |
| Blue Sparrow, LLC | 1,050,700 | $85.7M | 0.83% | +860,100+451.3% | Added |
| Armistice Capital, LLC | 1,071,395 | $87.4M | 2.42% | −1,003,054−48.4% | Reduced |
| Morgan Stanley | 1,103,675 | $90.0M | 0.00% | +429,541+63.7% | Added |
| Price T Rowe Associates Inc | 1,114,516 | $90.9M | 0.01% | +639,368+134.6% | Added |
| Pictet Asset Management Holding SA | 1,147,844 | $93.6M | 0.09% | −35,876−3.0% | Reduced |
| Fuller & Thaler Asset Management, Inc. | 1,156,819 | $94.4M | 0.26% | +1,156,819 | New |
| Jefferies Financial Group Inc. | 1,357,042 | $110.7M | 1.02% | +2,583+0.2% | Added |
| FMR LLC | 1,398,261 | $114.1M | 0.00% | −130,101−8.5% | Reduced |
| Driehaus Capital Management LLC | 1,440,107 | $117.5M | 0.68% | +424,335+41.8% | Added |
| Bank of America Corp | 1,452,277 | $118.5M | 0.01% | −434,564−23.0% | Reduced |
| Tang Capital Management LLC | 1,500,000 | $122.4M | 5.56% | 00.0% | Unchanged |
| D. E. Shaw & Co., Inc. | 1,548,919 | $126.3M | 0.08% | −91,462−5.6% | Reduced |
| William Blair Investment Management, LLC | 1,722,688 | $140.5M | 0.42% | +1,722,688 | New |
| Hood River Capital Management LLC | 1,738,613 | $141.8M | 1.03% | +74,054+4.4% | Added |
| Westfield Capital Management Co LP | 1,956,156 | $159.6M | 0.52% | +1,956,156 | New |
| Toronto Dominion Bank | 2,165,846 | $176.7M | 0.29% | −860,117−28.4% | Reduced |
| Geode Capital Management, LLC | 2,207,376 | $180.1M | 0.01% | −2,578−0.1% | Reduced |
| Vanguard Capital Management LLC | 3,739,127 | $305.0M | 0.01% | +62,871+1.7% | Added |
| Wellington Management Group LLP | 4,128,273 | $336.7M | 0.06% | +185,663+4.7% | Added |
| State Street Corp | 4,598,952 | $375.1M | 0.01% | +252,433+5.8% | Added |
| Vanguard Portfolio Management LLC | 4,928,111 | $402.0M | 0.02% | +123,517+2.6% | Added |
| Jupiter Topco LLC | 7,236,402 | $590.2M | 0.24% | +7,236,402 | New |
| RTW Investments, LP | 7,746,415 | $631.9M | 5.39% | 00.0% | Unchanged |
| BlackRock, Inc. | 13,964,554 | $1.14B | 0.02% | +1,015,837+7.8% | Added |
| Woodline Partners LP | 0 | $0 | 0.00% | −744,988−100.0% | Sold out |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0 | $0 | 0.00% | −213,363−100.0% | Sold out |
| BI Asset Management Fondsmaeglerselskab A/S | 0 | $0 | 0.00% | −81,878−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −53,328−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −52,713−100.0% | Sold out |
| Illinois Municipal Retirement Fund | 0 | $0 | 0.00% | −42,421−100.0% | Sold out |
| Private Capital Advisors, Inc. | 0 | $0 | 0.00% | −38,983−100.0% | Sold out |
| Elo Mutual Pension Insurance Co | 0 | $0 | 0.00% | −18,575−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −18,169−100.0% | Sold out |
| Sierra Summit Advisors LLC | 0 | $0 | 0.00% | −11,790−100.0% | Sold out |
| Catalyst Funds Management Pty Ltd | 0 | $0 | 0.00% | −11,200−100.0% | Sold out |
| Ishara Investments LP | 0 | $0 | 0.00% | −10,250−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −10,180−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −9,334−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −8,314−100.0% | Sold out |
| Aviva PLC | 0 | $0 | 0.00% | −6,764−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −6,754−100.0% | Sold out |
| Cynosure Management, LLC | 0 | $0 | 0.00% | −6,728−100.0% | Sold out |