How many institutions held PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share in Q3 2018?

176 institutional investors reported PTCT - PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share for Q3 2018. 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 2018 13F Holders as of 30 Sep 2018

Type / Class: Equity / Common Stock, $0.001 par value per share
Shares outstanding: 81,782,297
Total 13F shares: 46,800,681
Share change: +3,928,010
Total reported value: $2,199,661,172
Put/Call ratio: 123%
Price per share: $47.00
Number of holders: 176
Value change: +$196,122,715
Number of buys: 85
Number of sells: 86

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.

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Back to full security ownership history for the broader multi-quarter picture.
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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: Q4 2018
Previous quarter: Q2 2018

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
RTW INVESTMENTS, LP	13F	Company	5%	4,073,690	$137,406,000	—	30 Jun 2018	13F
BlackRock Finance, Inc.	13F	Company	4.2%	3,452,161	$116,441,000	—	30 Jun 2018	13F
VANGUARD GROUP INC	13F	Company	3.9%	3,197,129	$107,839,000	—	30 Jun 2018	13F
STATE STREET CORP	13F	Company	3.1%	2,516,928	$84,899,000	—	30 Jun 2018	13F
D. E. Shaw & Co., Inc.	13F	Company	2.9%	2,387,320	$80,525,000	—	30 Jun 2018	13F
SCOPIA CAPITAL MANAGEMENT LP	13F	Company	2.8%	2,303,341	$77,692,000	—	30 Jun 2018	13F
Avoro Capital Advisors LLC	13F	Company	2.8%	2,294,877	$77,406,000	—	30 Jun 2018	13F
Boxer Capital, LLC	13F	Company	2.3%	1,900,000	$64,087,000	—	30 Jun 2018	13F
Marshall Wace North America L.P.	13F	Company	2.1%	1,709,974	$57,677,000	—	30 Jun 2018	13F
GREAT POINT PARTNERS LLC	13F	Company	1.9%	1,568,500	$52,906,000	—	30 Jun 2018	13F
FMR LLC	13F	Company	1.6%	1,303,254	$43,959,000	—	30 Jun 2018	13F
GOLDMAN SACHS GROUP INC	13F	Company	1.2%	987,503	$33,309,000	—	30 Jun 2018	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	1.1%	921,615	$31,086,000	—	30 Jun 2018	13F
NORTHERN TRUST CORP	13F	Company	0.9%	736,880	$24,855,000	—	30 Jun 2018	13F
Ghost Tree Capital, LLC	13F	Company	0.83%	675,000	$22,768,000	—	30 Jun 2018	13F
PRICE T ROWE ASSOCIATES INC /MD/	13F	Company	0.82%	668,368	$22,544,000	—	30 Jun 2018	13F
MORGAN STANLEY	13F	Company	0.7%	575,189	$19,401,000	—	30 Jun 2018	13F
Invesco Ltd.	13F	Company	0.55%	449,584	$15,164,000	—	30 Jun 2018	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	0.55%	446,519	$15,060,000	—	30 Jun 2018	13F
MILLENNIUM MANAGEMENT LLC	13F	Company	0.52%	423,906	$14,298,000	—	30 Jun 2018	13F
Spark Investment Management LLC	13F	Company	0.51%	413,900	$13,960,000	—	30 Jun 2018	13F
TEACHERS ADVISORS, LLC	13F	Company	0.5%	406,590	$13,714,000	—	30 Jun 2018	13F
TWO SIGMA ADVISERS, LP	13F	Company	0.48%	390,200	$13,161,000	—	30 Jun 2018	13F
PointState Capital LP	13F	Company	0.4%	324,000	$10,929,000	—	30 Jun 2018	13F
BALYASNY ASSET MANAGEMENT L.P.	13F	Company	0.38%	307,761	$10,381,000	—	30 Jun 2018	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.36%	295,635	$9,972,000	—	30 Jun 2018	13F
MAK CAPITAL ONE LLC	13F	Company	0.36%	294,018	$9,917,000	—	30 Jun 2018	13F
PDT Partners, LLC	13F	Company	0.34%	277,601	$9,363,000	—	30 Jun 2018	13F
Connor, Clark & Lunn Investment Management Ltd.	13F	Company	0.34%	274,922	$9,273,000	—	30 Jun 2018	13F
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F	Company	0.34%	274,308	$9,252,409	—	30 Jun 2018	13F
Elk Creek Partners, LLC	13F	Company	0.33%	268,824	$9,067,000	—	30 Jun 2018	13F
TWO SIGMA INVESTMENTS, LP	13F	Company	0.3%	241,541	$8,147,000	—	30 Jun 2018	13F
TIAA CREF INVESTMENT MANAGEMENT LLC	13F	Company	0.3%	241,395	$8,142,000	—	30 Jun 2018	13F
PINNACLE ASSOCIATES LTD	13F	Company	0.29%	234,982	$7,926,000	—	30 Jun 2018	13F
BANK OF AMERICA CORP /DE/	13F	Company	0.28%	232,768	$7,851,000	—	30 Jun 2018	13F
DEUTSCHE BANK AG\	13F	Company	0.27%	222,432	$7,503,000	—	30 Jun 2018	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.26%	214,883	$7,248,000	—	30 Jun 2018	13F
QS Investors, LLC	13F	Company	0.26%	210,007	$7,084,000	—	30 Jun 2018	13F
Schonfeld Strategic Advisors LLC	13F	Company	0.25%	208,300	$7,026,000	—	30 Jun 2018	13F
Asymmetry Capital Management, L.P.	13F	Company	0.25%	205,031	$6,916,000	—	30 Jun 2018	13F
Bank of New York Mellon Corp	13F	Company	0.23%	185,829	$6,269,000	—	30 Jun 2018	13F
Opaleye Management Inc.	13F	Company	0.22%	180,000	$6,071,000	—	30 Jun 2018	13F
CITADEL ADVISORS LLC	13F	Company	0.22%	176,411	$5,951,000	—	30 Jun 2018	13F
BOGLE INVESTMENT MANAGEMENT L P /DE/	13F	Company	0.19%	156,398	$5,275,000	—	30 Jun 2018	13F
S.c.a. Candriam	13F	Individual	0.19%	156,000	$5,262,000	—	30 Jun 2018	13F
A.R.T. Advisors, LLC	13F	Company	0.19%	153,956	$5,192,000	—	30 Jun 2018	13F
Fisher Asset Management, LLC	13F	Company	0.18%	148,900	$5,022,000	—	30 Jun 2018	13F
Man Group plc	13F	Company	0.18%	147,522	$4,976,000	—	30 Jun 2018	13F
FIRST TRUST ADVISORS LP	13F	Company	0.18%	143,657	$4,846,000	—	30 Jun 2018	13F
SECTORAL ASSET MANAGEMENT INC	13F	Company	0.17%	135,884	$4,583,000	—	30 Jun 2018	13F

Institutional Holders of PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT) as of Q3 2018

As of 30 Sep 2018, PTC THERAPEUTICS, INC. - Common Stock, $0.001 par value per share (PTCT) was held by 176 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 46,800,681 shares. The largest 10 holders included Vanguard Group Inc, BlackRock Inc., RTW INVESTMENTS, LP, FMR LLC, FRANKLIN RESOURCES INC, PRICE T ROWE ASSOCIATES INC /MD/, STATE STREET CORP, BOXER CAPITAL, LLC, D. E. Shaw & Co., Inc., and SCOPIA CAPITAL MANAGEMENT LP. This page lists 176 institutional shareholders reporting positions in this security for the Q3 2018 filing period.

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

Compare Q3 2018 vs Q2 2018 Across Filers

Q2 2018 holders

164

Q3 2018 holders

176

Holder diff

Investor	Q2 2018 Shares	Q3 2018 Shares	Share Diff	Share Chg %	Q2 2018 Value $	Q3 2018 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.