PTC Therapeutics, Inc. PTCT

Set alert

65.44 USD -0.23 (-0.35%)

At closeNov 6, 2026, 4:00 PM EST

65.39 -0.05 -0.08%

After hours · Nov 6, 4:00 PM ET

65.18 Day range 66.67

58.80 52-week range 90.87

Held by insiders 7.30%

Held by institutions 120.10%

Float held by institutions 129.56%

Institutions 521

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	16.72%	13,964,554	913.84M	Jun 29, 2026
RTW Investments LP	9.27%	7,746,415	506.93M	Jun 29, 2026
Jupiter Topco LLC	8.66%	7,236,402	473.55M	Jun 29, 2026
Vanguard Portfolio Management LLC	5.90%	4,928,111	322.50M	Jun 29, 2026
State Street Corporation	5.50%	4,598,952	300.96M	Jun 29, 2026
Wellington Management Group, LLP	4.94%	4,128,273	270.15M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Core S&P Small-Cap ETF	5.95%	4,971,168	325.31M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.15%	2,635,817	172.49M	Jun 29, 2026
VANGUARD SPECIALIZED FUNDS-Vanguard Health Care Fund	2.77%	2,310,268	151.18M	Jul 30, 2026
SPDR SERIES TRUST-State Street SPDR S&P Biotech ETF	2.62%	2,186,953	143.11M	Sep 29, 2026
iShares Trust-iShares Russell 2000 ETF	2.56%	2,142,713	140.22M	Sep 29, 2026
VANGUARD INDEX FUNDS-Vanguard Small-Cap Index Fund	2.28%	1,902,975	124.53M	Jun 29, 2026

PTCT insiders
Insider	Relation	Latest transaction	Date	Shares held
ALMSTEAD NEIL GREGORY	Chief Technology Officer	Sale	Jul 8, 2026	63,198
BOULDING MARK ELLIOTT	Officer	Sale	Oct 8, 2026	105,272
GOLDEN LEE SCOTT	Officer	Sale	Apr 1, 2026	79,115
GRAVIER PIERRE	Chief Financial Officer	Sale	Jul 13, 2026	83,986
KLEIN MATTHEW B	Chief Executive Officer	Sale	Aug 3, 2026	383,868
PAUWELS ERIC	Officer	Sale	Jun 9, 2026	73,411

Ownership