MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC's Holding History (CIK: 0001638555)

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

Q4 2025

Shares 381,500 Value ($000) $60,964 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 596,132 Value ($000) $73,783 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 432,153 Value ($000) $42,939 Avg Close $80.86 Range $54.50 - $100.44

Q2 2024

Shares 12,000 Value ($000) $1,567 Avg Close $124.55 Range $105.72 - $137.52

Q4 2023

Shares 239,889 Value ($000) $24,677 Avg Close $79.84 Range $62.28 - $104.49

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	381,500	$60,964	$148.21	$120.73 - $170.37
Q3 2025	596,132	$73,783	$106.31	$88.17 - $132.24
Q2 2025	432,153	$42,939	$80.86	$54.50 - $100.44
Q2 2024	12,000	$1,567	$124.55	$105.72 - $137.52
Q4 2023	239,889	$24,677	$79.84	$62.28 - $104.49