MKS INSTRS INC

Ticker: MKSI CUSIP: 55306N104 Class: EQTY

Brooklyn Investment Group's Holding History (CIK: 0001795705)

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

Q4 2025

Shares 7,399 Value ($000) $1,204 Avg Close $148.21 Range $120.73 - $170.37

Q3 2025

Shares 2,436 Value ($000) $244 Avg Close $106.31 Range $88.17 - $132.24

Q2 2025

Shares 2,435 Value ($000) $242 Avg Close $80.86 Range $54.50 - $100.44

Q1 2025

Shares 799 Value ($000) $64 Avg Close $100.21 Range $75.89 - $124.28

Q4 2024

Shares 63 Value ($000) $7 Avg Close $106.91 Range $96.54 - $118.37

Q3 2024

Shares 61 Value ($000) $7 Avg Close $117.45 Range $99.10 - $145.63

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	7,399	$1,204	$148.21	$120.73 - $170.37
Q3 2025	2,436	$244	$106.31	$88.17 - $132.24
Q2 2025	2,435	$242	$80.86	$54.50 - $100.44
Q1 2025	799	$64	$100.21	$75.89 - $124.28
Q4 2024	63	$7	$106.91	$96.54 - $118.37
Q3 2024	61	$7	$117.45	$99.10 - $145.63