WATERS CORP

Ticker: WAT CUSIP: 941848103 Class: COM

COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS's Holding History (CIK: 0001083190)

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

Q4 2025

Shares 13,848 Value ($000) $5,260 Avg Close $367.96 Range $299.63 - $414.15

Q3 2025

Shares 14,294 Value ($000) $4,285 Avg Close $301.75 Range $275.05 - $366.68

Q2 2025

Shares 14,595 Value ($000) $5,094 Avg Close $343.81 Range $297.14 - $368.02

Q1 2025

Shares 13,579 Value ($000) $5,005 Avg Close $387.18 Range $355.00 - $423.56

Q4 2024

Shares 12,625 Value ($000) $4,684 Avg Close $365.79 Range $321.32 - $397.02

Q3 2024

Shares 12,923 Value ($000) $4,651 Avg Close $325.56 Range $279.24 - $363.55

Q2 2024

Shares 13,030 Value ($000) $3,780 Avg Close $319.12 Range $283.59 - $367.21

Q1 2024

Shares 12,980 Value ($000) $4,468 Avg Close $328.72 Range $293.46 - $363.80

Q4 2023

Shares 12,948 Value ($000) $4,263 Avg Close $276.19 Range $231.90 - $335.40

Q3 2023

Shares 11,884 Value ($000) $3,259 Avg Close $276.34 Range $256.06 - $300.77

Q2 2023

Shares 10,296 Value ($000) $2,744 Avg Close $278.30 Range $248.18 - $313.25

Q1 2023

Shares 10,071 Value ($000) $3,118 Avg Close $323.46 Range $291.95 - $350.97

Q4 2022

Shares 10,042 Value ($000) $3 Avg Close $316.35 Range $265.61 - $353.71

Q3 2022

Shares 8,758 Value ($000) $2,361 Avg Close $319.20 Range $269.37 - $369.00

Q2 2022

Shares 8,770 Value ($000) $2,903 Avg Close $317.42 Range $288.32 - $344.15

Q1 2022

Shares 8,167 Value ($000) $2,535 Avg Close $325.36 Range $297.65 - $372.24

Q4 2021

Shares 7,661 Value ($000) $2,854 Avg Close $349.78 Range $324.35 - $375.24

Q3 2021

Shares 7,690 Value ($000) $2,748 Avg Close $391.72 Range $343.15 - $428.22

Q2 2021

Shares 7,730 Value ($000) $2,672 Avg Close $316.51 Range $279.69 - $349.07

Q1 2021

Shares 7,777 Value ($000) $2,210 Avg Close $273.06 Range $244.77 - $299.06

Q4 2020

Shares 7,753 Value ($000) $1,918 Avg Close $226.59 Range $192.54 - $252.67

Q3 2020

Shares 5,738 Value ($000) $1,123 Avg Close $207.83 Range $179.76 - $239.74

Q2 2020

Shares 3,540 Value ($000) $639 Avg Close $189.00 Range $171.38 - $210.90

Q1 2020

Shares 4,117 Value ($000) $749 Avg Close $210.92 Range $154.39 - $245.68

Q4 2019

Shares 4,149 Value ($000) $969 Avg Close $220.88 Range $204.58 - $236.37

Q3 2019

Shares 4,278 Value ($000) $955 Avg Close $215.83 Range $199.87 - $237.51

Q2 2019

Shares 4,079 Value ($000) $878 Avg Close $218.51 Range $199.11 - $255.21

Q1 2019

Shares 4,181 Value ($000) $1,052 Avg Close $227.86 Range $174.95 - $252.24

Q4 2018

Shares 4,132 Value ($000) $780 Avg Close $189.96 Range $167.94 - $204.64

Q3 2018

Shares 6,324 Value ($000) $1,231 Avg Close $193.64 Range $184.81 - $202.79

Q2 2018

Shares 8,201 Value ($000) $1,588 Avg Close $196.97 Range $187.28 - $211.78

Q1 2018

Shares 7,050 Value ($000) $1,400 Avg Close $206.81 Range $187.66 - $220.20

Q4 2017

Shares 7,114 Value ($000) $1,374 Avg Close $193.09 Range $179.27 - $201.95

Q3 2017

Shares 6,492 Value ($000) $1,165 Avg Close $181.32 Range $171.32 - $190.39

Q2 2017

Shares 5,946 Value ($000) $1,093 Avg Close $173.76 Range $154.15 - $187.65

Q1 2017

Shares 5,941 Value ($000) $929 Avg Close $149.35 Range $134.68 - $158.81

Q4 2016

Shares 4,619 Value ($000) $621 Avg Close $142.72 Range $133.35 - $160.00

Q3 2016

Shares 4,602 Value ($000) $729 Avg Close $154.74 Range $140.50 - $162.53

Q2 2016

Shares 6,481 Value ($000) $912 Avg Close $135.27 Range $128.90 - $140.75

Q1 2016

Shares 6,030 Value ($000) $795 Avg Close $124.75 Range $112.00 - $133.02

Q4 2015

Shares 5,336 Value ($000) $718 Avg Close $128.50 Range $115.21 - $136.95

Q3 2015

Shares 5,286 Value ($000) $625 Avg Close $126.49 Range $113.98 - $136.17

Q2 2015

Shares 9,286 Value ($000) $1,192 Avg Close $129.76 Range $120.79 - $137.39

Q1 2015

Shares 9,525 Value ($000) $1,184 Avg Close $119.29 Range $111.77 - $125.86

Q4 2014

Shares 15,195 Value ($000) $1,713 Avg Close $109.55 Range $93.56 - $117.71

Q3 2014

Shares 15,399 Value ($000) $1,526 Avg Close $103.09 Range $99.08 - $108.89

Q2 2014

Shares 15,529 Value ($000) $1,622 Avg Close $105.18 Range $97.86 - $114.36

Q1 2014

Shares 16,319 Value ($000) $1,769 Avg Close $108.40 Range $97.90 - $115.06

Q4 2013

Shares 16,249 Value ($000) $1,625 Avg Close $100.80 Range $94.50 - $107.13

Q3 2013

Shares 17,404 Value ($000) $1,848 Avg Close $102.55 Range $97.53 - $108.89

Q2 2013

Shares 17,448 Value ($000) $1,746 Avg Close $95.76 Range $87.85 - $102.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	13,848	$5,260	$367.96	$299.63 - $414.15
Q3 2025	14,294	$4,285	$301.75	$275.05 - $366.68
Q2 2025	14,595	$5,094	$343.81	$297.14 - $368.02
Q1 2025	13,579	$5,005	$387.18	$355.00 - $423.56
Q4 2024	12,625	$4,684	$365.79	$321.32 - $397.02
Q3 2024	12,923	$4,651	$325.56	$279.24 - $363.55
Q2 2024	13,030	$3,780	$319.12	$283.59 - $367.21
Q1 2024	12,980	$4,468	$328.72	$293.46 - $363.80
Q4 2023	12,948	$4,263	$276.19	$231.90 - $335.40
Q3 2023	11,884	$3,259	$276.34	$256.06 - $300.77
Q2 2023	10,296	$2,744	$278.30	$248.18 - $313.25
Q1 2023	10,071	$3,118	$323.46	$291.95 - $350.97
Q4 2022	10,042	$3	$316.35	$265.61 - $353.71
Q3 2022	8,758	$2,361	$319.20	$269.37 - $369.00
Q2 2022	8,770	$2,903	$317.42	$288.32 - $344.15
Q1 2022	8,167	$2,535	$325.36	$297.65 - $372.24
Q4 2021	7,661	$2,854	$349.78	$324.35 - $375.24
Q3 2021	7,690	$2,748	$391.72	$343.15 - $428.22
Q2 2021	7,730	$2,672	$316.51	$279.69 - $349.07
Q1 2021	7,777	$2,210	$273.06	$244.77 - $299.06
Q4 2020	7,753	$1,918	$226.59	$192.54 - $252.67
Q3 2020	5,738	$1,123	$207.83	$179.76 - $239.74
Q2 2020	3,540	$639	$189.00	$171.38 - $210.90
Q1 2020	4,117	$749	$210.92	$154.39 - $245.68
Q4 2019	4,149	$969	$220.88	$204.58 - $236.37
Q3 2019	4,278	$955	$215.83	$199.87 - $237.51
Q2 2019	4,079	$878	$218.51	$199.11 - $255.21
Q1 2019	4,181	$1,052	$227.86	$174.95 - $252.24
Q4 2018	4,132	$780	$189.96	$167.94 - $204.64
Q3 2018	6,324	$1,231	$193.64	$184.81 - $202.79
Q2 2018	8,201	$1,588	$196.97	$187.28 - $211.78
Q1 2018	7,050	$1,400	$206.81	$187.66 - $220.20
Q4 2017	7,114	$1,374	$193.09	$179.27 - $201.95
Q3 2017	6,492	$1,165	$181.32	$171.32 - $190.39
Q2 2017	5,946	$1,093	$173.76	$154.15 - $187.65
Q1 2017	5,941	$929	$149.35	$134.68 - $158.81
Q4 2016	4,619	$621	$142.72	$133.35 - $160.00
Q3 2016	4,602	$729	$154.74	$140.50 - $162.53
Q2 2016	6,481	$912	$135.27	$128.90 - $140.75
Q1 2016	6,030	$795	$124.75	$112.00 - $133.02
Q4 2015	5,336	$718	$128.50	$115.21 - $136.95
Q3 2015	5,286	$625	$126.49	$113.98 - $136.17
Q2 2015	9,286	$1,192	$129.76	$120.79 - $137.39
Q1 2015	9,525	$1,184	$119.29	$111.77 - $125.86
Q4 2014	15,195	$1,713	$109.55	$93.56 - $117.71
Q3 2014	15,399	$1,526	$103.09	$99.08 - $108.89
Q2 2014	15,529	$1,622	$105.18	$97.86 - $114.36
Q1 2014	16,319	$1,769	$108.40	$97.90 - $115.06
Q4 2013	16,249	$1,625	$100.80	$94.50 - $107.13
Q3 2013	17,404	$1,848	$102.55	$97.53 - $108.89
Q2 2013	17,448	$1,746	$95.76	$87.85 - $102.69