PTC INC

Ticker: PTC CUSIP: 69370C100 Class: EQTY

MACKAY SHIELDS LLC's Holding History (CIK: 0000061227)

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

Q1 2022

Shares 15,250 Value ($000) $1,643 Avg Close $112.41 Range $100.60 - $123.46

Q4 2021

Shares 15,874 Value ($000) $1,923 Avg Close $120.51 Range $105.49 - $136.00

Q3 2021

Shares 16,193 Value ($000) $1,940 Avg Close $133.33 Range $118.61 - $153.73

Q2 2021

Shares 16,659 Value ($000) $2,353 Avg Close $136.72 Range $123.06 - $149.50

Q1 2021

Shares 14,185 Value ($000) $1,953 Avg Close $133.13 Range $116.02 - $147.67

Q1 2019

Shares 16,848 Value ($000) $1,553 Avg Close $88.51 Range $77.26 - $94.99

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2022	15,250	$1,643	$112.41	$100.60 - $123.46
Q4 2021	15,874	$1,923	$120.51	$105.49 - $136.00
Q3 2021	16,193	$1,940	$133.33	$118.61 - $153.73
Q2 2021	16,659	$2,353	$136.72	$123.06 - $149.50
Q1 2021	14,185	$1,953	$133.13	$116.02 - $147.67
Q1 2019	16,848	$1,553	$88.51	$77.26 - $94.99