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, Q1 2026
Institutional positions in PTC Therapeutics, Inc. as of Mar 31, 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
- 352
- +6 vs. Q4 2025
- Shares held
- 95.5M
- +11.7M (+14.0%) vs. Q4 2025
- Total value
- $6.51B
- +$140.8M (+2.2%) vs. Q4 2025
- New holders
- 61
- 145 more added
- Sold out
- 55
- 102 more reduced
7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding PTC Therapeutics, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,948,717 | $882.2M | 0.02% | +169,652+1.3% | Added |
| RTW Investments, LP | 7,746,415 | $527.8M | 5.25% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 7,193,433 | $490.0M | 0.23% | +2,342,101+48.3% | Added |
| Vanguard Portfolio Management LLC | 4,804,594 | $327.3M | 0.02% | +4,804,594 | New |
| State Street Corp | 4,346,519 | $296.1M | 0.01% | +140,393+3.3% | Added |
| Wellington Management Group LLP | 3,942,610 | $268.6M | 0.05% | +75,230+1.9% | Added |
| Vanguard Capital Management LLC | 3,676,256 | $250.5M | 0.01% | +3,676,256 | New |
| Toronto Dominion Bank | 3,025,963 | $206.2M | 0.40% | −1,112,252−26.9% | Reduced |
| Geode Capital Management, LLC | 2,209,954 | $150.6M | 0.01% | +193,892+9.6% | Added |
| Armistice Capital, LLC | 2,074,449 | $141.3M | 4.67% | −727,420−26.0% | Reduced |
| Bank of America Corp | 1,886,841 | $128.6M | 0.01% | +455,284+31.8% | Added |
| Hood River Capital Management LLC | 1,664,559 | $113.4M | 1.14% | +661,484+65.9% | Added |
| D. E. Shaw & Co., Inc. | 1,640,381 | $111.8M | 0.09% | −104,610−6.0% | Reduced |
| FMR LLC | 1,528,362 | $104.1M | 0.01% | −152,854−9.1% | Reduced |
| Tang Capital Management LLC | 1,500,000 | $102.2M | 5.19% | 00.0% | Unchanged |
| UBS Group AG | 1,364,768 | $93.0M | 0.02% | +400,110+41.5% | Added |
| Jefferies Financial Group Inc. | 1,354,459 | $92.3M | 1.13% | −304,022−18.3% | Reduced |
| Pictet Asset Management Holding SA | 1,183,720 | $80.1M | 0.08% | +204,763+20.9% | Added |
| Franklin Resources Inc | 1,121,388 | $76.4M | 0.02% | −165,297−12.8% | Reduced |
| Driehaus Capital Management LLC | 1,015,772 | $69.2M | 0.51% | −120,416−10.6% | Reduced |
| Palo Alto Investors LP | 921,607 | $62.8M | 9.60% | +17,691+2.0% | Added |
| BNP Paribas Arbitrage, SA | 920,476 | $62.7M | 0.04% | +91,814+11.1% | Added |
| Dimensional Fund Advisors LP | 890,715 | $60.7M | 0.01% | +263,623+42.0% | Added |
| SG Americas Securities, LLC | 879,701 | $59.9M | 0.07% | −14,760−1.7% | Reduced |
| Invesco Ltd. | 865,451 | $59.0M | 0.01% | +431,166+99.3% | Added |
| Goldman Sachs Group Inc | 827,631 | $56.4M | 0.01% | −195,460−19.1% | Reduced |
| Northern Trust Corp | 806,276 | $54.9M | 0.01% | +36,856+4.8% | Added |
| Woodline Partners LP | 744,988 | $50.8M | 0.19% | +173,435+30.3% | Added |
| Charles Schwab Investment Management Inc | 731,642 | $49.8M | 0.01% | −3,291−0.4% | Reduced |
| Jupiter Asset Management Ltd | 711,457 | $48.5M | 0.26% | +350,298+97.0% | Added |
| Morgan Stanley | 674,134 | $45.9M | 0.00% | −231,058−25.5% | Reduced |
| Nuveen, LLC | 667,019 | $45.4M | 0.01% | −32,171−4.6% | Reduced |
| Boston Partners | 647,482 | $44.1M | 0.05% | +159,505+32.7% | Added |
| Lord, Abbett & Co. LLC | 617,121 | $42.0M | 0.14% | −9,985−1.6% | Reduced |
| Ensign Peak Advisors, Inc | 582,318 | $39.7M | 0.07% | +301,746+107.5% | Added |
| Vanguard Fiduciary Trust Co | 553,658 | $37.7M | 0.01% | +553,658 | New |
| Renaissance Technologies LLC | 533,300 | $36.3M | 0.06% | −74,289−12.2% | Reduced |
| Bank of New York Mellon Corp | 522,763 | $35.6M | 0.01% | +8,083+1.6% | Added |
| Principal Financial Group Inc | 515,001 | $35.1M | 0.02% | +36,104+7.5% | Added |
| Qube Research & Technologies Ltd | 513,823 | $35.0M | 0.05% | +513,823 | New |
| Loomis Sayles & Co L P | 493,603 | $33.6M | 0.05% | +493,603 | New |
| Price T Rowe Associates Inc | 475,148 | $32.4M | 0.00% | +15,034+3.3% | Added |
| Marshall Wace, LLP | 460,638 | $31.4M | 0.03% | +212,892+85.9% | Added |
| Balyasny Asset Management LLC | 460,564 | $31.4M | 0.06% | +460,564 | New |
| Parkman Healthcare Partners LLC | 431,364 | $29.4M | 3.05% | +271,185+169.3% | Added |
| Manufacturers Life Insurance Company, The | 425,240 | $29.0M | 0.02% | −1,266−0.3% | Reduced |
| Citadel Advisors LLC | 385,199 | $26.2M | 0.02% | −769,256−66.6% | Reduced |
| Rockefeller Capital Management L.P. | 384,672 | $26.2M | 0.05% | −20,864−5.1% | Reduced |
| Defilade Capital Management, L.P. | 376,165 | $25.6M | 3.60% | +376,165 | New |
| Panagora Asset Management Inc | 351,370 | $23.9M | 0.09% | −8,467−2.4% | Reduced |
| Mackenzie Financial Corp | 345,683 | $23.6M | 0.03% | +108,774+45.9% | Added |
| Legal & General Group Plc | 343,380 | $23.4M | 0.01% | −22,885−6.2% | Reduced |
| Voya Investment Management LLC | 342,637 | $23.3M | 0.02% | +3,491+1.0% | Added |
| AQR Capital Management LLC | 342,106 | $23.3M | 0.01% | +179+0.1% | Added |
| Russell Investments Group, Ltd. | 335,439 | $22.9M | 0.02% | +64,691+23.9% | Added |
| JPMorgan Chase & Co | 346,017 | $22.7M | 0.00% | −10,024−2.8% | Reduced |
| Public Sector Pension Investment Board | 331,852 | $22.6M | 0.07% | +7,216+2.2% | Added |
| Schonfeld Strategic Advisors LLC | 318,405 | $21.7M | 0.18% | +318,405 | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 311,810 | $21.2M | 0.02% | −335,775−51.9% | Reduced |
| Deutsche Bank AG | 238,754 | $16.3M | 0.01% | +7,486+3.2% | Added |
| HSBC Holdings PLC | 227,059 | $15.5M | 0.01% | +214,931+1,772.2% | Added |
| Federated Hermes, Inc. | 225,916 | $15.4M | 0.03% | +113,350+100.7% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 213,363 | $14.5M | 0.01% | −7,484−3.4% | Reduced |
| Rhumbline Advisers | 212,462 | $14.5M | 0.01% | +4,512+2.2% | Added |
| Susquehanna International Group, LLP | 207,938 | $14.2M | 0.02% | +189,257+1,013.1% | Added |
| Boxer Capital Management, LLC | 200,000 | $13.6M | 1.79% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 195,380 | $13.3M | 0.19% | +144,949+287.4% | Added |
| Blue Sparrow, LLC | 190,600 | $13.0M | 0.22% | +190,600 | New |
| Alliancebernstein L.P. | 152,176 | $11.6M | 0.00% | +57,868+61.4% | Added |
| Ameriprise Financial Inc | 166,659 | $11.4M | 0.00% | +19,075+12.9% | Added |
| Prudential Financial Inc | 164,570 | $11.2M | 0.01% | −18,615−10.2% | Reduced |
| Rock Springs Capital Management LP | 161,798 | $11.0M | 0.65% | +99,919+161.5% | Added |
| Swiss National Bank | 142,865 | $9.73M | 0.01% | +1,800+1.3% | Added |
| First Trust Advisors LP | 136,003 | $9.27M | 0.01% | −19,593−12.6% | Reduced |
| SEI Investments Co | 130,204 | $8.87M | 0.01% | +38,115+41.4% | Added |
| Schroder Investment Management Group | 134,968 | $8.86M | 0.01% | +62,371+85.9% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 129,682 | $8.84M | 0.02% | −21,719−14.3% | Reduced |
| UBS Asset Management Americas Inc | 126,963 | $8.65M | 0.00% | −4,930−3.7% | Reduced |
| Neuberger Berman Group LLC | 121,549 | $8.28M | 0.01% | +9,959+8.9% | Added |
| Capital Fund Management S.A. | 121,286 | $8.26M | 0.07% | +121,286 | New |
| Arrowstreet Capital, Limited Partnership | 111,632 | $7.61M | 0.00% | −294,778−72.5% | Reduced |
| Royce & Associates LP | 92,828 | $6.32M | 0.06% | +12,034+14.9% | Added |
| Castleark Management LLC | 91,880 | $6.26M | 0.21% | −4,980−5.1% | Reduced |
| WCM Investment Management, LLC | 94,687 | $6.22M | 0.01% | −15,580−14.1% | Reduced |
| California State Teachers Retirement System | 84,320 | $5.74M | 0.01% | +16,027+23.5% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 81,878 | $5.58M | 0.06% | −77,599−48.7% | Reduced |
| Sector Gamma AS | 75,000 | $5.11M | 1.21% | +13,077+21.1% | Added |
| Pinnacle Associates Ltd | 74,956 | $5.11M | 0.07% | −8,475−10.2% | Reduced |
| Los Angeles Capital Management LLC | 71,660 | $4.88M | 0.02% | +39,239+121.0% | Added |
| State of Wisconsin Investment Board | 68,988 | $4.70M | 0.01% | +22,213+47.5% | Added |
| Rafferty Asset Management, LLC | 68,685 | $4.68M | 0.02% | −9,822−12.5% | Reduced |
| Great West Life Assurance Co | 65,378 | $4.45M | 0.01% | −12,772−16.3% | Reduced |
| Vanguard Asset Management, Ltd | 65,200 | $4.44M | 0.00% | +65,200 | New |
| Assenagon Asset Management S.A. | 61,397 | $4.18M | 0.01% | +7,227+13.3% | Added |
| Empowered Funds, LLC | 57,906 | $3.95M | 0.03% | −192,506−76.9% | Reduced |
| CenterBook Partners LP | 56,813 | $3.87M | 0.21% | +56,813 | New |
| Intech Investment Management LLC | 55,949 | $3.81M | 0.04% | +21,258+61.3% | Added |
| Thrivent Financial for Lutherans | 53,590 | $3.65M | 0.01% | −1,579−2.9% | Reduced |
| Picton Mahoney Asset Management | 53,328 | $3.63M | 0.04% | +51,048+2,238.9% | Added |
| Barclays PLC | 53,079 | $3.62M | 0.00% | −167,117−75.9% | Reduced |