MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Procyon Advisors, LLC's Holding History (CIK: 0001804329)

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

Q2 2020

Shares 40 Value ($000) $5 Avg Close $95.31 Range $70.45 - $112.06

Q1 2020

Shares 40 Value ($000) $3 Avg Close $97.84 Range $64.00 - $116.86

Q4 2019

Shares 141 Value ($000) $16 Avg Close $99.99 Range $81.07 - $109.78

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2020	40	$5	$95.31	$70.45 - $112.06
Q1 2020	40	$3	$97.84	$64.00 - $116.86
Q4 2019	141	$16	$99.99	$81.07 - $109.78