MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

ALTFEST L J & CO INC's Holding History (CIK: 0000712050)

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

Q2 2025

Shares 5,100 Value ($000) $507 Avg Close $80.86 Range $54.50 - $100.44

Q2 2024

Shares 2,686 Value ($000) $0 Avg Close $124.55 Range $105.72 - $137.52

Q1 2024

Shares 3,169 Value ($000) $0 Avg Close $114.51 Range $94.23 - $132.85

Q4 2023

Shares 3,760 Value ($000) $0 Avg Close $79.84 Range $62.28 - $104.49

Q3 2023

Shares 3,265 Value ($000) $0 Avg Close $95.58 Range $81.25 - $107.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2025	5,100	$507	$80.86	$54.50 - $100.44
Q2 2024	2,686	$0	$124.55	$105.72 - $137.52
Q1 2024	3,169	$0	$114.51	$94.23 - $132.85
Q4 2023	3,760	$0	$79.84	$62.28 - $104.49
Q3 2023	3,265	$0	$95.58	$81.25 - $107.67