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PTCT

PTC Therapeutics, Inc.

NASDAQ · USHealthcareBiotechnology
$77.84-0.95%

Price as of Jul 20, 2026

PTCT ownership

PTC Therapeutics, Inc. ownership & insider activity

Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
46
Net (3m)
-$15.6M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price +8.7%Institutions accumulating (13F)
DateInsiderTypeSharesPrice
Jul 16, 2026Gravier Pierreofficer: CHIEF FINANCIAL OFFICERSell3,494$80.35
Jul 13, 2026Smith Mary L.directorSell5,834$90.00
Jul 13, 2026Smith Mary L.directorOption5,834$42.95
Jul 13, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption2,464$46.54
Jul 13, 2026Smith Mary L.directorOption10,000$42.95
Jul 13, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell2,464$90.25
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption18,876$38.10
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell385$86.34
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption811$38.10
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell3,956$87.17
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell645$85.84
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell519$85.84
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell426$85.28
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell11,369$89.03
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell833$84.41
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell9,288$89.44
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOOption2,226$39.42
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell8,786$85.35
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell313$83.10
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell10,090$86.32
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell745$86.38
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOOption2,813$46.54
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption2,474$39.42
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICERSell2,474$87.03
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell1,036$84.41
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOSell387$83.10
Jul 8, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption24,613$39.42
Jul 8, 2026Boulding Mark Elliottofficer: EXEC. VP AND CLOOption2,266$39.42
Jun 30, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption7,718$38.10
Jun 30, 2026Almstead Neil Gregoryofficer: CHIEF TECHNICAL OPS OFFICEROption412$38.10

Source: PTCT SEC Form 4 filings, latest Jul 16, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their PTCT positions over the last 6 months (SEC Form 13F).

Increased
282
New positions
156
Reduced
201
Sold out
96
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased12.9MMay 13, 2026
BLACKROCK, INC.Increased12.8MFeb 12, 2026
VANGUARD GROUP INCIncreased8.8MJan 29, 2026
RTW INVESTMENTS, LPUnchanged7.7MFeb 17, 2026
RTW INVESTMENTS, LPUnchanged7.7MMay 15, 2026
JANUS HENDERSON GROUP PLCIncreased7.2MMay 18, 2026
JANUS HENDERSON GROUP PLCIncreased4.9MFeb 17, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position4.8MMay 8, 2026
STATE STREET CORPIncreased4.3MMay 15, 2026
STATE STREET CORPIncreased4.2MFeb 13, 2026
TORONTO DOMINION BANKIncreased4.1MFeb 17, 2026
WELLINGTON MANAGEMENT GROUP LLPIncreased3.9MMay 15, 2026
WELLINGTON MANAGEMENT GROUP LLPReduced3.9MFeb 17, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position3.7MMay 15, 2026
TORONTO DOMINION BANKReduced3.0MMay 15, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.