Ptc Therapeutics, Inc. (PTCT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

87,115,369Shares Outstanding

93,531,963Shares held by institutions

$6,091,736,750Value of institutional holdings

107.37%Institutional ownership %

13.07%Shares Changed QoQ

339No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Ptc Therapeutics, Inc. (NASDAQ:PTCT) is held by 337 institutional investors per 13F filings through December 2025.

These investors collectively held 104.9% of Ptc Therapeutics's outstanding shares in December 2025, up from 97.5% in September 2025.
They increased total shares held in Ptc Therapeutics by 11.04% from the prior quarter, while the number of investors in PTCT increased 39.83% year over year.
Of these 337 holders, 217 added to their stakes in Ptc Therapeutics, 93 trimmed positions, and 27 made no changes.
Combined, these investors held 91.4Mn shares in PTCT for December 2025, up by 9.09Mn shares quarter on quarter, and up 9.23Mn shares year over year.
Pictet Asset Management Holding SA is the top holder of Ptc Therapeutics as of December 31, 2025, with 1.18Mn shares representing 1.36% of outstanding stock.
Top purchasers of PTCT stock for the quarter ending December 2025 included Pictet Asset Management Holding SA (204.76K), OP Asset Management Ltd (65.5K), EXCHANGE TRADED CONCEPTS, LLC (23.72K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (11.13K), E Fund Management Co., Ltd. (8.86K).
Leading sellers of Ptc Therapeutics shares for the quarter ending December 2025 were BI Asset Management Fondsmaeglerselskab A/S (77.6K), SG Americas Securities, LLC (14.76K), PINNACLE ASSOCIATES LTD (8.48K), Sterling Capital Management LLC (3.3K), State of Alaska, Department of Revenue (1.25K).
Per Business Quant data, the top 10 holders of Ptc Therapeutics for the quarter ending December 2025 are Pictet Asset Management Holding SA (1.18Mn), SG Americas Securities, LLC (879.7K), BI Asset Management Fondsmaeglerselskab A/S (81.88K), PINNACLE ASSOCIATES LTD (74.96K), OP Asset Management Ltd (67.2K), Assenagon Asset Management S.A. (61.4K), State of Alaska, Department of Revenue (44.1K), Louisiana State Employees Retirement System (35.6K), EXCHANGE TRADED CONCEPTS, LLC (25.26K), RITHOLTZ WEALTH MANAGEMENT (24.18K).

343 Institutional Holders

93,531,963 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	12,779,065	5,648,258	79.21%	$970,697,777.00
VANGUARD GROUP INC	31 Dec, 2025	8,803,203	514,204	6.20%	$668,691,300.00
RTW INVESTMENTS, LP	31 Dec, 2025	7,746,415	0	0.00%	$588,417,683.00
Janus Henderson Group Plc	31 Dec, 2025	4,851,332	1,077,776	28.56%	$368,586,978.00
State Street Corp	31 Dec, 2025	4,206,126	1,071,343	34.18%	$319,497,331.00
Toronto Dominion Bank	31 Dec, 2025	4,138,215	891,690	27.47%	$314,338,811.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	3,867,380	-1,051,239	-21.37%	$293,766,184.00
ARMISTICE CAPITAL, LLC	31 Dec, 2025	2,801,869	-475,403	-14.51%	$212,829,969.00
Goldman Sachs Group Inc	31 Dec, 2025	2,046,182	1,169,773	133.47%	$155,427,984.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	2,016,062	65,184	3.34%	$153,164,342.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,744,991	-429,617	-19.76%	$132,549,516.00
FMR LLC	31 Dec, 2025	1,681,216	69,441	4.31%	$127,705,195.00
Jefferies Financial Group Inc.	31 Dec, 2025	1,658,481	73,803	4.66%	$125,978,217.00
TANG CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,500,000	0	0.00%	$113,940,000.00
Bank Of America Corp /De/	31 Dec, 2025	1,431,557	-1,602,515	-52.82%	$108,741,069.00
Franklin Resources Inc	31 Dec, 2025	1,286,685	129,651	11.21%	$97,736,593.00
CITADEL ADVISORS LLC	31 Dec, 2025	1,154,455	-576,570	-33.31%	$87,692,401.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	1,136,188	4,439	0.39%	$86,304,840.00
Point72 Asset Management, L.P.	31 Dec, 2025	1,128,551	-92,091	-7.54%	$85,724,734.00
Hood River Capital Management LLC	31 Dec, 2025	1,003,075	7,293	0.73%	$76,193,577.00

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