How many institutions held PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in Q4 2017?

119 institutional investors reported PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share for Q4 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

Q4 2017 13F Holders as of 31 Dec 2017

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 81,782,297
Total 13F shares: 38,109,969
Share change: +2,427,996
Total reported value: $635,678,067
Put/Call ratio: 446%
Price per share: $16.68
Number of holders: 119
Value change: +$18,883,443
Number of buys: 62
Number of sells: 64

Quarterly Holders Quick Answers

What is CUSIP 69366J200?
CUSIP 69366J200 identifies PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in SEC institutional holdings data.

Need full ownership history?
Open the full security ownership history page.

Next holder-history checks

These links keep the next click tied to holder verification, nearby quarters, or outside-13F ownership context.

Back to full security ownership history for the broader multi-quarter picture.
Latest 13F filings for newly reported positions across managers.
Latest Schedule 13D/13G reports for ownership changes outside the 13F cadence.
SEC investors directory for manager drilldown.

Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q1 2018
Previous quarter: Q3 2017

Recent filing periods for CUSIP 69366J200:

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

Top shareholders 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. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Consonance Capital Management LP	13F	Company	4.8%	3,946,009	$78,960,000	—	30 Sep 2017	13F
RTW INVESTMENTS, LP	13F	Company	4.3%	3,495,143	$69,938,000	—	30 Sep 2017	13F
BlackRock Finance, Inc.	13F	Company	3.8%	3,142,776	$62,887,000	—	30 Sep 2017	13F
VANGUARD GROUP INC	13F	Company	3.6%	2,935,293	$58,735,000	—	30 Sep 2017	13F
D. E. Shaw & Co., Inc.	13F	Company	2.9%	2,362,968	$47,283,000	—	30 Sep 2017	13F
STATE STREET CORP	13F	Company	2.1%	1,755,186	$35,120,000	—	30 Sep 2017	13F
Boxer Capital, LLC	13F	Company	1.5%	1,250,000	$25,013,000	—	30 Sep 2017	13F
SCOPIA CAPITAL MANAGEMENT LP	13F	Company	1.5%	1,194,129	$23,895,000	—	30 Sep 2017	13F
FMR LLC	13F	Company	1.4%	1,158,154	$23,175,000	—	30 Sep 2017	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.4%	1,149,037	$22,992,000	—	30 Sep 2017	13F
GREAT POINT PARTNERS LLC	13F	Company	1.3%	1,100,000	$22,011,000	—	30 Sep 2017	13F
Spark Investment Management LLC	13F	Company	0.88%	717,000	$14,347,000	—	30 Sep 2017	13F
NORTHERN TRUST CORP	13F	Company	0.83%	677,230	$13,551,000	—	30 Sep 2017	13F
DLD Asset Management, LP	13F	Company	0.75%	612,543	$12,257,000	—	30 Sep 2017	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.68%	556,809	$11,141,000	—	30 Sep 2017	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.64%	525,110	$10,507,000	—	30 Sep 2017	13F
Numeric Investors LLC	13F	Company	0.58%	470,982	$9,424,000	—	30 Sep 2017	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.52%	428,925	$8,583,000	—	30 Sep 2017	13F
Point72 Asset Management, L.P.	13F	Company	0.49%	400,000	$8,004,000	—	30 Sep 2017	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.47%	383,134	$7,666,000	—	30 Sep 2017	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.44%	363,005	$7,263,000	—	30 Sep 2017	13F
Asymmetry Capital Management, L.P.	13F	Company	0.43%	355,456	$7,113,000	—	30 Sep 2017	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.4%	329,097	$6,585,231	—	30 Sep 2017	13F
PINNACLE ASSOCIATES LTD	13F	Company	0.39%	318,812	$6,379,000	—	30 Sep 2017	13F
Quantitative Investment Management, LLC	13F	Company	0.37%	305,100	$6,105,000	—	30 Sep 2017	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.35%	282,450	$5,652,000	—	30 Sep 2017	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.32%	260,633	$5,215,000	—	30 Sep 2017	13F
Invesco Ltd.	13F	Company	0.31%	254,458	$5,092,000	—	30 Sep 2017	13F
FRONTIER CAPITAL MANAGEMENT CO LLC	13F	Company	0.3%	247,249	$4,947,000	—	30 Sep 2017	13F
QS Investors, LLC	13F	Company	0.28%	229,338	$4,589,000	—	30 Sep 2017	13F
AMERICAN CENTURY COMPANIES INC	13F	Company	0.24%	196,722	$3,936,000	—	30 Sep 2017	13F
Matarin Capital Management, LLC	13F	Company	0.23%	187,073	$3,743,331	—	30 Sep 2017	13F
PRELUDE CAPITAL MANAGEMENT, LLC	13F	Company	0.22%	181,379	$3,629,000	—	30 Sep 2017	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.22%	178,795	$3,578,000	—	30 Sep 2017	13F
Fisher Asset Management, LLC	13F	Company	0.21%	173,045	$3,463,000	—	30 Sep 2017	13F
Bank of New York Mellon Corp	13F	Company	0.21%	171,476	$3,431,000	—	30 Sep 2017	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.21%	170,535	$3,412,000	—	30 Sep 2017	13F
South Dakota Investment Council	13F	Company	0.19%	157,800	$3,158,000	—	30 Sep 2017	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.17%	137,970	$2,761,000	—	30 Sep 2017	13F
AXA S.A.	13F	Company	0.16%	133,400	$2,669,000	—	30 Sep 2017	13F
MORGAN STANLEY	13F	Company	0.13%	103,690	$2,075,000	—	30 Sep 2017	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.12%	101,329	$2,028,000	—	30 Sep 2017	13F
Ghost Tree Capital, LLC	13F	Company	0.12%	100,000	$2,001,000	—	30 Sep 2017	13F
OXFORD ASSET MANAGEMENT LLP	13F	Company	0.12%	95,871	$1,898,000	—	30 Sep 2017	13F
GROUP ONE TRADING LLC	13F	Company	0.11%	90,738	$1,816,000	—	30 Sep 2017	13F
361 CAPITAL LLC	13F	Company	0.11%	89,600	$1,793,000	—	30 Sep 2017	13F
AMERIPRISE FINANCIAL INC	13F	Company	0.1%	79,961	$1,600,000	—	30 Sep 2017	13F
JANE STREET GROUP, LLC	13F	Company	0.1%	78,768	$1,576,000	—	30 Sep 2017	13F
AQR CAPITAL MANAGEMENT LLC	13F	Company	0.09%	73,614	$1,473,000	—	30 Sep 2017	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.08%	68,739	$1,376,000	—	30 Sep 2017	13F

Institutional Holders of PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT) as of Q4 2017

As of 31 Dec 2017, PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT) was held by 119 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 38,109,969 shares. The largest 10 holders included SCOPIA CAPITAL MANAGEMENT LP, RTW INVESTMENTS, LP, BlackRock Inc., Vanguard Group Inc, STATE STREET CORP, D. E. Shaw & Co., Inc., Boxer Capital, LLC, FMR LLC, GREAT POINT PARTNERS LLC, and Spark Investment Management LLC. This page lists 119 institutional shareholders reporting positions in this security for the Q4 2017 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q4 2017 vs Q3 2017 Across Filers

Q3 2017 holders

126

Q4 2017 holders

119

Holder diff

-7

Investor	Q3 2017 Shares	Q4 2017 Shares	Share Diff	Share Chg %	Q3 2017 Value $	Q4 2017 Value $	Value Diff $	Value Chg %

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

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.