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

CUSIP: 69366J200

Q3 2025 13F Holders as of 30 Sep 2025

Security type / class
Equity / Common Stock, $0.001 par value per share
Total 13F shares
82,678,571
Total 13F value
$5,073,764,701
Holder snapshot 6 visible 7 signals
Share change
+2,730,204
Put/Call ratio
26%
SEC-reported price per share
$61.37
Number of holders
290
Value change
+$181,615,186
Number of buys
151
Open additional details 1 more signal available
Number of sells
143
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
81,782,297

Security key

69366J200

Report period

Q3 2025

Institutions

290

Top holders

10

PTCT full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2025 Previous quarter: Q2 2025 PTC THERAPEUTICS, INC. SEC filings PTC THERAPEUTICS, INC. company facts

Broader feeds

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

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
ARMISTICE CAPITAL, LLC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
15/15
Latest evidence
30 Jun 2025
13D/G 13F Lead comparable stake: 6.9% 13D/G row: ARMISTICE CAPITAL, LLC Showing 1-6 of 15 holder rows.

Quick read

ARMISTICE CAPITAL, LLC leads the comparable SEC ownership view at 6.9%.

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 ARMISTICE CAPITAL, LLC's linked filing trail.
Comparable ownership Top 5
ARMISTICE CAPITAL, LLC 6.9%
Camber Capital Management LP 4.2%
VANGUARD GROUP INC 11%
RTW INVESTMENTS, LP 9.5%
BlackRock, Inc. 9.1%

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
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
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
11%
$432,110,288
8,847,467 shares
 — 30 Jun 2025
RTW INVESTMENTS, LP
13F
Company
13F
9.5%
$378,334,909
7,746,415 shares
 — 30 Jun 2025
BlackRock, Inc.
13F
Company
13F
9.1%
$365,344,299
7,480,432 shares
 — 30 Jun 2025
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
5.7%
$229,261,699
4,694,138 shares
 — 30 Jun 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 Q3 2025

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

Institutions
290
Shares
82,678,571
Rows available
290
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 Q3 2025 vs Q2 2025 Across Filers

Q2 2025 holders
281
Q3 2025 holders
290
Holder diff
9
Investor Q2 2025 Shares Q3 2025 Shares Share Diff Share Chg % Q2 2025 value Q3 2025 value Value change Value Chg %

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

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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