MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Concentric Capital Strategies, LP's Holding History (CIK: 0001851869)

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

Q4 2025

Shares 102,590 Value ($000) $16,394 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 74,913 Value ($000) $9,272 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 92,583 Value ($000) $9,199 Avg Close $80.86 Range $54.50 - $100.44

Q4 2024

Shares 85,033 Value ($000) $8,877 Avg Close $106.91 Range $96.54 - $118.37

Q2 2024

Shares 4,822 Value ($000) $630 Avg Close $124.55 Range $105.72 - $137.52

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	102,590	$16,394	$148.21	$120.73 - $170.37
Q3 2025	74,913	$9,272	$106.31	$88.17 - $132.24
Q2 2025	92,583	$9,199	$80.86	$54.50 - $100.44
Q4 2024	85,033	$8,877	$106.91	$96.54 - $118.37
Q2 2024	4,822	$630	$124.55	$105.72 - $137.52