WATERS CORP

Ticker: WAT CUSIP: 941848103 Class: COM

WELCH & FORBES LLC's Holding History (CIK: 0000105495)

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

Q4 2025

Shares 3,738 Value ($000) $1,420 Avg Close $367.96 Range $299.63 - $414.15

Q3 2025

Shares 3,738 Value ($000) $1,121 Avg Close $301.75 Range $275.05 - $366.68

Q2 2025

Shares 3,738 Value ($000) $1,305 Avg Close $343.81 Range $297.14 - $368.02

Q1 2025

Shares 3,802 Value ($000) $1,401 Avg Close $387.18 Range $355.00 - $423.56

Q4 2024

Shares 3,739 Value ($000) $1,387 Avg Close $365.79 Range $321.32 - $397.02

Q3 2024

Shares 3,738 Value ($000) $1,345 Avg Close $325.56 Range $279.24 - $363.55

Q2 2024

Shares 3,738 Value ($000) $1,075 Avg Close $319.12 Range $283.59 - $367.21

Q1 2024

Shares 3,738 Value ($000) $1,287 Avg Close $328.72 Range $293.46 - $363.80

Q4 2023

Shares 3,744 Value ($000) $1,233 Avg Close $276.19 Range $231.90 - $335.40

Q3 2023

Shares 3,744 Value ($000) $1,027 Avg Close $276.34 Range $256.06 - $300.77

Q2 2023

Shares 3,794 Value ($000) $1,011 Avg Close $278.30 Range $248.18 - $313.25

Q1 2023

Shares 3,788 Value ($000) $1,173 Avg Close $323.46 Range $291.95 - $350.97

Q4 2022

Shares 3,888 Value ($000) $1,332 Avg Close $316.35 Range $265.61 - $353.71

Q3 2022

Shares 3,938 Value ($000) $1,061 Avg Close $319.20 Range $269.37 - $369.00

Q2 2022

Shares 3,938 Value ($000) $1,303 Avg Close $317.42 Range $288.32 - $344.15

Q1 2022

Shares 4,138 Value ($000) $1,285 Avg Close $325.36 Range $297.65 - $372.24

Q4 2021

Shares 4,138 Value ($000) $1,541 Avg Close $349.78 Range $324.35 - $375.24

Q3 2021

Shares 4,209 Value ($000) $1,504 Avg Close $391.72 Range $343.15 - $428.22

Q2 2021

Shares 4,425 Value ($000) $1,529 Avg Close $316.51 Range $279.69 - $349.07

Q1 2021

Shares 4,425 Value ($000) $1,258 Avg Close $273.06 Range $244.77 - $299.06

Q4 2020

Shares 4,550 Value ($000) $1,126 Avg Close $226.59 Range $192.54 - $252.67

Q3 2020

Shares 4,725 Value ($000) $924 Avg Close $207.83 Range $179.76 - $239.74

Q2 2020

Shares 4,828 Value ($000) $871 Avg Close $189.00 Range $171.38 - $210.90

Q1 2020

Shares 4,825 Value ($000) $878 Avg Close $210.92 Range $154.39 - $245.68

Q4 2019

Shares 4,475 Value ($000) $1,046 Avg Close $220.88 Range $204.58 - $236.37

Q3 2019

Shares 4,475 Value ($000) $999 Avg Close $215.83 Range $199.87 - $237.51

Q2 2019

Shares 4,475 Value ($000) $963 Avg Close $218.51 Range $199.11 - $255.21

Q1 2019

Shares 4,475 Value ($000) $1,127 Avg Close $227.86 Range $174.95 - $252.24

Q4 2018

Shares 5,016 Value ($000) $946 Avg Close $189.96 Range $167.94 - $204.64

Q3 2018

Shares 5,016 Value ($000) $977 Avg Close $193.64 Range $184.81 - $202.79

Q2 2018

Shares 5,016 Value ($000) $971 Avg Close $196.97 Range $187.28 - $211.78

Q1 2018

Shares 5,166 Value ($000) $1,027 Avg Close $206.81 Range $187.66 - $220.20

Q4 2017

Shares 5,166 Value ($000) $998 Avg Close $193.09 Range $179.27 - $201.95

Q3 2017

Shares 5,730 Value ($000) $1,028 Avg Close $181.32 Range $171.32 - $190.39

Q2 2017

Shares 5,780 Value ($000) $1,062 Avg Close $173.76 Range $154.15 - $187.65

Q1 2017

Shares 5,784 Value ($000) $904 Avg Close $149.35 Range $134.68 - $158.81

Q4 2016

Shares 5,780 Value ($000) $777 Avg Close $142.72 Range $133.35 - $160.00

Q3 2016

Shares 5,880 Value ($000) $932 Avg Close $154.74 Range $140.50 - $162.53

Q2 2016

Shares 5,980 Value ($000) $841 Avg Close $135.27 Range $128.90 - $140.75

Q1 2016

Shares 5,980 Value ($000) $789 Avg Close $124.75 Range $112.00 - $133.02

Q4 2015

Shares 5,980 Value ($000) $804 Avg Close $128.50 Range $115.21 - $136.95

Q3 2015

Shares 5,600 Value ($000) $662 Avg Close $126.49 Range $113.98 - $136.17

Q2 2015

Shares 5,600 Value ($000) $719 Avg Close $129.76 Range $120.79 - $137.39

Q1 2015

Shares 4,850 Value ($000) $603 Avg Close $119.29 Range $111.77 - $125.86

Q4 2014

Shares 4,850 Value ($000) $547 Avg Close $109.55 Range $93.56 - $117.71

Q3 2014

Shares 4,850 Value ($000) $481 Avg Close $103.09 Range $99.08 - $108.89

Q2 2014

Shares 4,850 Value ($000) $506 Avg Close $105.18 Range $97.86 - $114.36

Q1 2014

Shares 4,950 Value ($000) $537 Avg Close $108.40 Range $97.90 - $115.06

Q4 2013

Shares 4,200 Value ($000) $420 Avg Close $100.80 Range $94.50 - $107.13

Q3 2013

Shares 4,250 Value ($000) $452 Avg Close $102.55 Range $97.53 - $108.89

Q2 2013

Shares 4,250 Value ($000) $425 Avg Close $95.76 Range $87.85 - $102.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	3,738	$1,420	$367.96	$299.63 - $414.15
Q3 2025	3,738	$1,121	$301.75	$275.05 - $366.68
Q2 2025	3,738	$1,305	$343.81	$297.14 - $368.02
Q1 2025	3,802	$1,401	$387.18	$355.00 - $423.56
Q4 2024	3,739	$1,387	$365.79	$321.32 - $397.02
Q3 2024	3,738	$1,345	$325.56	$279.24 - $363.55
Q2 2024	3,738	$1,075	$319.12	$283.59 - $367.21
Q1 2024	3,738	$1,287	$328.72	$293.46 - $363.80
Q4 2023	3,744	$1,233	$276.19	$231.90 - $335.40
Q3 2023	3,744	$1,027	$276.34	$256.06 - $300.77
Q2 2023	3,794	$1,011	$278.30	$248.18 - $313.25
Q1 2023	3,788	$1,173	$323.46	$291.95 - $350.97
Q4 2022	3,888	$1,332	$316.35	$265.61 - $353.71
Q3 2022	3,938	$1,061	$319.20	$269.37 - $369.00
Q2 2022	3,938	$1,303	$317.42	$288.32 - $344.15
Q1 2022	4,138	$1,285	$325.36	$297.65 - $372.24
Q4 2021	4,138	$1,541	$349.78	$324.35 - $375.24
Q3 2021	4,209	$1,504	$391.72	$343.15 - $428.22
Q2 2021	4,425	$1,529	$316.51	$279.69 - $349.07
Q1 2021	4,425	$1,258	$273.06	$244.77 - $299.06
Q4 2020	4,550	$1,126	$226.59	$192.54 - $252.67
Q3 2020	4,725	$924	$207.83	$179.76 - $239.74
Q2 2020	4,828	$871	$189.00	$171.38 - $210.90
Q1 2020	4,825	$878	$210.92	$154.39 - $245.68
Q4 2019	4,475	$1,046	$220.88	$204.58 - $236.37
Q3 2019	4,475	$999	$215.83	$199.87 - $237.51
Q2 2019	4,475	$963	$218.51	$199.11 - $255.21
Q1 2019	4,475	$1,127	$227.86	$174.95 - $252.24
Q4 2018	5,016	$946	$189.96	$167.94 - $204.64
Q3 2018	5,016	$977	$193.64	$184.81 - $202.79
Q2 2018	5,016	$971	$196.97	$187.28 - $211.78
Q1 2018	5,166	$1,027	$206.81	$187.66 - $220.20
Q4 2017	5,166	$998	$193.09	$179.27 - $201.95
Q3 2017	5,730	$1,028	$181.32	$171.32 - $190.39
Q2 2017	5,780	$1,062	$173.76	$154.15 - $187.65
Q1 2017	5,784	$904	$149.35	$134.68 - $158.81
Q4 2016	5,780	$777	$142.72	$133.35 - $160.00
Q3 2016	5,880	$932	$154.74	$140.50 - $162.53
Q2 2016	5,980	$841	$135.27	$128.90 - $140.75
Q1 2016	5,980	$789	$124.75	$112.00 - $133.02
Q4 2015	5,980	$804	$128.50	$115.21 - $136.95
Q3 2015	5,600	$662	$126.49	$113.98 - $136.17
Q2 2015	5,600	$719	$129.76	$120.79 - $137.39
Q1 2015	4,850	$603	$119.29	$111.77 - $125.86
Q4 2014	4,850	$547	$109.55	$93.56 - $117.71
Q3 2014	4,850	$481	$103.09	$99.08 - $108.89
Q2 2014	4,850	$506	$105.18	$97.86 - $114.36
Q1 2014	4,950	$537	$108.40	$97.90 - $115.06
Q4 2013	4,200	$420	$100.80	$94.50 - $107.13
Q3 2013	4,250	$452	$102.55	$97.53 - $108.89
Q2 2013	4,250	$425	$95.76	$87.85 - $102.69