MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Headlands Technologies LLC's Holding History (CIK: 0001570271)

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

Q4 2025

Shares 2,676 Value ($000) $428 Avg Close $148.21 Range $120.73 - $170.37

Q1 2025

Shares 26,106 Value ($000) $2,092 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 14,014 Value ($000) $1,463 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 12,019 Value ($000) $1,307 Avg Close $117.45 Range $99.10 - $145.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,676	$428	$148.21	$120.73 - $170.37
Q1 2025	26,106	$2,092	$100.21	$75.89 - $124.28
Q4 2024	14,014	$1,463	$106.91	$96.54 - $118.37
Q3 2024	12,019	$1,307	$117.45	$99.10 - $145.63