Ptc Therapeutics, Inc. (PTCT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

87,115,369Shares Outstanding
91,404,499Shares held by institutions
$7,205,416,656Value of institutional holdings
104.92%Institutional ownership %
11.04%Shares Changed QoQ
337No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Ptc Therapeutics, Inc. (NASDAQ:PTCT) has 337 institutional investors with active 13F positions as of December 2025.

637 Institutional Holders

91,404,499 Total Shares Held
Download Data
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