Ptc Therapeutics, Inc. (NASDAQ:PTCT) has 337 institutional investors with active 13F positions as of December 2025.
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Janus Henderson Group Plc | 31 Mar, 2026 | 14,386,866 | 9,535,534 | 196.55% | $979,994,200.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 12,948,717 | 169,652 | 1.33% | $882,196,090.00 |
| BlackRock, Inc. | 31 Mar, 2026 | 12,779,065 | 5,648,258 | 79.21% | $970,697,777.00 |
| VANGUARD GROUP INC | 31 Mar, 2026 | 8,803,203 | 514,204 | 6.20% | $668,691,300.00 |
| RTW INVESTMENTS, LP | 31 Mar, 2026 | 7,746,415 | 0 | 0.00% | $588,417,683.00 |
| RTW INVESTMENTS, LP | 31 Mar, 2026 | 7,746,415 | 0 | 0.00% | $527,763,254.00 |
| Janus Henderson Group Plc | 31 Mar, 2026 | 4,851,332 | 1,077,776 | 28.56% | $368,586,978.00 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 31 Mar, 2026 | 4,804,594 | 4,804,594 | 0.00% | $327,336,989.00 |
| State Street Corp | 31 Mar, 2026 | 4,346,519 | 140,393 | 3.34% | $296,128,339.00 |
| State Street Corp | 31 Mar, 2026 | 4,206,126 | 1,071,343 | 34.18% | $319,497,331.00 |
| Toronto Dominion Bank | 31 Mar, 2026 | 4,138,215 | 891,690 | 27.47% | $314,338,811.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 3,942,610 | 75,230 | 1.95% | $268,610,018.00 |
| WELLINGTON MANAGEMENT GROUP LLP | 31 Mar, 2026 | 3,867,380 | -1,051,239 | -21.37% | $293,766,184.00 |
| VANGUARD CAPITAL MANAGEMENT LLC | 31 Mar, 2026 | 3,676,256 | 3,676,256 | 0.00% | $250,463,321.00 |
| Toronto Dominion Bank | 31 Mar, 2026 | 3,025,963 | -1,112,252 | -26.88% | $206,158,859.00 |
| ARMISTICE CAPITAL, LLC | 31 Mar, 2026 | 2,801,869 | -475,403 | -14.51% | $212,829,969.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 2,209,954 | 193,892 | 9.62% | $150,589,658.00 |
| ARMISTICE CAPITAL, LLC | 31 Mar, 2026 | 2,074,449 | -727,420 | -25.96% | $141,332,210.00 |
| Goldman Sachs Group Inc | 31 Mar, 2026 | 2,046,182 | 1,169,773 | 133.47% | $155,427,984.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 31 Mar, 2026 | 2,016,062 | 65,184 | 3.34% | $153,164,342.00 |