PTC INC

Ticker: PTC CUSIP: 69370C100 Class: EQTY

GILDER GAGNON HOWE & CO LLC's Holding History (CIK: 0000902464)

Note: Option positions (PUT/CALL) are excluded.

Q3 2018

Shares 2,645 Value ($000) $281 Avg Close $97.72 Range $90.46 - $107.39

Q2 2018

Shares 1,988 Value ($000) $186 Avg Close $86.47 Range $74.77 - $100.79

Q1 2017

Shares 2,519 Value ($000) $132 Avg Close $52.87 Range $45.93 - $56.73

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	2,645	$281	$97.72	$90.46 - $107.39
Q2 2018	1,988	$186	$86.47	$74.77 - $100.79
Q1 2017	2,519	$132	$52.87	$45.93 - $56.73