How many institutions held PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in Q4 2025?

350 institutional investors reported PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share for Q4 2025. Use the holders table for investor-level position and value details.

PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT)

Q: What does CUSIP 69366J200 represent in this 13F holders report?

CUSIP 69366J200 is the security identifier for PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share used to aggregate holder disclosures.

CUSIP: 69366J200

Q4 2025 13F Holders as of 31 Dec 2025

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 92,686,841
Total 13F value: $7,040,774,871
Share change: +9,238,854
Put/Call ratio: 74%
SEC-reported price per share: $75.96
Number of holders: 350
Value change: +$724,074,706
Number of buys: 208
Number of sells: 133
Shares outstanding: 81,782,297

Security key

69366J200

Report period

Q4 2025

Institutions

350

Top holders

PTCT full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 PTC THERAPEUTICS, INC. SEC filings PTC THERAPEUTICS, INC. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 69366J200

Newer quarter: Q1 2026 Previous quarter: Q3 2025

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top reported holders of PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader

BlackRock, Inc.

Disclosed value leader

BlackRock, Inc.

Comparable rows

15/15

Latest evidence

31 Dec 2025

13D/G 13F Lead comparable stake: 15% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.

Quick read

BlackRock, Inc. leads the comparable SEC ownership view at 15%.

15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens BlackRock, Inc.'s linked filing trail.

Comparable ownership Top 5

BlackRock, Inc. 15%

ARMISTICE CAPITAL, LLC 6.9%

STATE STREET CORP 5.2%

WELLINGTON MANAGEMENT GROUP LLP 4.8%

Camber Capital Management LP 4.2%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 15 holder rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
BlackRock, Inc.	13D/G 13F Company 13D/G 13F	15%	$892,256,965 11,904,696 shares	+$421,991,884	30 Nov 2025
ARMISTICE CAPITAL, LLC	13D/G 13F Company 13D/G 13F	6.9%	$269,133,425 5,434,843 shares	-$46,705,135	31 Mar 2025
STATE STREET CORP	13D/G 13F STATE STREET CORPORATION · Company 13D/G 13F	5.2%	$326,100,949 4,206,126 shares	$0	31 Dec 2025
WELLINGTON MANAGEMENT GROUP LLP	13F 13D/G Company 13F 13D/G	4.8% from 13D/G	$301,855,649 4,918,619 shares	—	30 Sep 2025
Camber Capital Management LP	13D/G 13D/G	4.2%	$158,464,000 3,200,000 shares	$0	31 Dec 2024
VANGUARD GROUP INC	13F Company 13F	10%	$508,695,869 8,288,999 shares	—	30 Sep 2025

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

350

92,686,841

Rows available

350

Investor	Option	Weight %	Change %	SEC-reported value	* Price	Shares	Share Change	Activity	Report Period

^* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders

290

Q4 2025 holders

350

Holder diff

Investor	Q3 2025 Shares	Q4 2025 Shares	Share Diff	Share Chg %	Q3 2025 value	Q4 2025 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend