How many institutions held PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in Q1 2016?

112 institutional investors reported PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share for Q1 2016. 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

Q1 2016 13F Holders as of 31 Mar 2016

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 29,052,236
Total 13F value: $187,275,624
Share change: -7,002,102
Put/Call ratio: 48%
SEC-reported price per share: $6.44
Number of holders: 112
Value change: -$209,529,061
Number of buys: 64
Number of sells: 77
Shares outstanding: 81,782,297

Security key

69366J200

Report period

Q1 2016

Institutions

112

Top holders

PTCT full security history Ownership snapshot Full 13F holder table Newer quarter: Q2 2016 Previous quarter: Q4 2015 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: Q2 2016 Previous quarter: Q4 2015

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

WELLINGTON MANAGEMENT GRO...

Disclosed value leader

WELLINGTON MANAGEMENT GRO...

Comparable rows

15/15

Latest evidence

31 Dec 2015

13F Lead comparable stake: 3.9% Showing 1-6 of 15 holder rows.

Quick read

WELLINGTON MANAGEMENT GROUP LLP leads the comparable SEC ownership view at 3.9%.

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 WELLINGTON MANAGEMENT GROUP LLP's linked filing trail.

Comparable ownership Top 5

WELLINGTON MANAGEMENT GROUP LLP 3.9%

VANGUARD GROUP INC 2.5%

FMR LLC 2.4%

WESTFIELD CAPITAL MANAGEMENT CO LP 2.3%

WADDELL & REED FINANCIAL INC 2.3%

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
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	3.9%	$102,613,000 3,167,021 shares	—	31 Dec 2015
VANGUARD GROUP INC	13F Company 13F	2.5%	$66,303,000 2,046,376 shares	—	31 Dec 2015
FMR LLC	13F Company 13F	2.4%	$62,533,000 1,930,027 shares	—	31 Dec 2015
WESTFIELD CAPITAL MANAGEMENT CO LP	13F Company 13F	2.3%	$60,660,000 1,872,220 shares	—	31 Dec 2015
WADDELL & REED FINANCIAL INC	13F Company 13F	2.3%	$60,076,000 1,854,184 shares	—	31 Dec 2015
SECTORAL ASSET MANAGEMENT INC	13F Company 13F	1.9%	$51,395,000 1,586,258 shares	—	31 Dec 2015

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 Q1 2016

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

Institutions

112

29,052,236

Rows available

112

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 Q1 2016 vs Q4 2015 Across Filers

Q4 2015 holders

141

Q1 2016 holders

112

Holder diff

-29

Investor	Q4 2015 Shares	Q1 2016 Shares	Share Diff	Share Chg %	Q4 2015 value	Q1 2016 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend