WATERS CORP

Ticker: WAT CUSIP: 941848103 Class: COM

Great Diamond Partners, LLC's Holding History (CIK: 0001801112)

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

Q4 2025

Shares 2,229 Value ($000) $847 Avg Close $367.96 Range $299.63 - $414.15

Q3 2025

Shares 2,285 Value ($000) $685 Avg Close $301.75 Range $275.05 - $366.68

Q2 2025

Shares 2,295 Value ($000) $801 Avg Close $343.81 Range $297.14 - $368.02

Q4 2019

Shares 170 Value ($000) $39 Avg Close $220.88 Range $204.58 - $236.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,229	$847	$367.96	$299.63 - $414.15
Q3 2025	2,285	$685	$301.75	$275.05 - $366.68
Q2 2025	2,295	$801	$343.81	$297.14 - $368.02
Q4 2019	170	$39	$220.88	$204.58 - $236.37