How many institutions held PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in Q3 2017?

126 institutional investors reported PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share for Q3 2017. 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

Q3 2017 13F Holders as of 30 Sep 2017

Security type / class: Equity / Common Stock, $0.001 par value per share
Total 13F shares: 35,744,834
Total 13F value: $715,228,449
Share change: +2,170,037
Put/Call ratio: 215%
SEC-reported price per share: $20.01
Number of holders: 126
Value change: +$44,754,005
Number of buys: 79
Number of sells: 45
Shares outstanding: 81,782,297

Security key

69366J200

Report period

Q3 2017

Institutions

126

Top holders

PTCT full security history Ownership snapshot Full 13F holder table Newer quarter: Q4 2017 Previous quarter: Q2 2017 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: Q4 2017 Previous quarter: Q2 2017

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

Consonance Capital Manage...

Disclosed value leader

Consonance Capital Manage...

Comparable rows

15/15

Latest evidence

30 Jun 2017

13F Lead comparable stake: 4.8% Showing 1-6 of 15 holder rows.

Quick read

Consonance Capital Management LP leads the comparable SEC ownership view at 4.8%.

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 Consonance Capital Management LP's linked filing trail.

Comparable ownership Top 5

Consonance Capital Management LP 4.8%

RTW INVESTMENTS, LP 4%

BlackRock Finance, Inc. 3.8%

D. E. Shaw & Co., Inc. 3.3%

VANGUARD GROUP INC 2.9%

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
Consonance Capital Management LP	13F Company 13F	4.8%	$72,330,000 3,946,009 shares	—	30 Jun 2017
RTW INVESTMENTS, LP	13F Company 13F	4%	$60,566,000 3,304,214 shares	—	30 Jun 2017
BlackRock Finance, Inc.	13F Company 13F	3.8%	$57,482,000 3,135,944 shares	—	30 Jun 2017
D. E. Shaw & Co., Inc.	13F Company 13F	3.3%	$49,888,000 2,721,675 shares	—	30 Jun 2017
VANGUARD GROUP INC	13F Company 13F	2.9%	$43,379,000 2,366,564 shares	—	30 Jun 2017
GREAT POINT PARTNERS LLC	13F Company 13F	2.3%	$34,827,000 1,900,000 shares	—	30 Jun 2017

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 2017

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

Institutions

126

35,744,834

Rows available

126

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 2017 vs Q2 2017 Across Filers

Q2 2017 holders

111

Q3 2017 holders

126

Holder diff

Investor	Q2 2017 Shares	Q3 2017 Shares	Share Diff	Share Chg %	Q2 2017 value	Q3 2017 value	Value change	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend