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

CUSIP: 69366J200

Q2 2021 13F Holders as of 30 Jun 2021

Holder snapshot 7 signals
Share change
+365,896
Put/Call ratio
52%
SEC-reported price per share
$42.27
Number of holders
174
Value change
+$3,824,478
Number of buys
96
Open additional details 1 more signal available
Number of sells
84
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
81,782,297

Security key

69366J200

Report period

Q2 2021

Institutions

174

Top holders

10

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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
31 Mar 2021
13F Lead comparable stake: 13% Showing 1-6 of 15 holder rows.

Quick read

FMR LLC leads the comparable SEC ownership view at 13%.

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 FMR LLC's linked filing trail.
Comparable ownership Top 5
FMR LLC 13%
WELLINGTON MANAGEMENT GROUP LLP 11%
VANGUARD GROUP INC 7.8%
BlackRock Finance, Inc. 7.6%
FRANKLIN RESOURCES INC 6.7%

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
FMR LLC
13F
Company
13F
13%
$499,464,000
10,548,348 shares
31 Mar 2021
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
13F
11%
$435,164,000
9,190,357 shares
31 Mar 2021
VANGUARD GROUP INC
13F
Company
13F
7.8%
$302,512,000
6,388,856 shares
31 Mar 2021
BlackRock Finance, Inc.
13F
Company
13F
7.6%
$294,053,000
6,210,207 shares
31 Mar 2021
FRANKLIN RESOURCES INC
13F
Company
13F
6.7%
$259,441,000
5,479,202 shares
31 Mar 2021
RTW INVESTMENTS, LP
13F
Company
13F
6.5%
$250,669,000
5,293,966 shares
31 Mar 2021
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 Q2 2021

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

Institutions
174
Shares
73,830,496
Rows available
174
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 Q2 2021 vs Q1 2021 Across Filers

Q1 2021 holders
196
Q2 2021 holders
174
Holder diff
-22
Investor Q1 2021 Shares Q2 2021 Shares Share Diff Share Chg % Q1 2021 value Q2 2021 value Value change Value Chg %
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