WATERS CORP

Ticker: WAT CUSIP: 941848103 Class: COM

PRIMECAP MANAGEMENT CO/CA/'s Holding History (CIK: 0000763212)

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

Q4 2025

Shares 39,047 Value ($000) $14,831 Avg Close $367.96 Range $299.63 - $414.15

Q3 2025

Shares 48,567 Value ($000) $14,561 Avg Close $301.75 Range $275.05 - $366.68

Q2 2025

Shares 49,047 Value ($000) $17,119 Avg Close $343.81 Range $297.14 - $368.02

Q1 2025

Shares 68,901 Value ($000) $25,395 Avg Close $387.18 Range $355.00 - $423.56

Q4 2024

Shares 69,041 Value ($000) $25,613 Avg Close $365.79 Range $321.32 - $397.02

Q3 2024

Shares 98,459 Value ($000) $35,434 Avg Close $325.56 Range $279.24 - $363.55

Q2 2024

Shares 98,859 Value ($000) $28,681 Avg Close $319.12 Range $283.59 - $367.21

Q1 2024

Shares 92,159 Value ($000) $31,724 Avg Close $328.72 Range $293.46 - $363.80

Q4 2023

Shares 92,259 Value ($000) $30,374 Avg Close $276.19 Range $231.90 - $335.40

Q3 2023

Shares 97,659 Value ($000) $26,779 Avg Close $276.34 Range $256.06 - $300.77

Q2 2023

Shares 88,044 Value ($000) $23,467 Avg Close $278.30 Range $248.18 - $313.25

Q1 2023

Shares 77,844 Value ($000) $24,103 Avg Close $323.46 Range $291.95 - $350.97

Q4 2022

Shares 50,694 Value ($000) $17,367 Avg Close $316.35 Range $265.61 - $353.71

Q3 2022

Shares 51,194 Value ($000) $13,798 Avg Close $319.20 Range $269.37 - $369.00

Q2 2022

Shares 51,394 Value ($000) $17,010 Avg Close $317.42 Range $288.32 - $344.15

Q1 2022

Shares 51,594 Value ($000) $16,014 Avg Close $325.36 Range $297.65 - $372.24

Q4 2021

Shares 45,900 Value ($000) $17,102 Avg Close $349.78 Range $324.35 - $375.24

Q3 2021

Shares 46,200 Value ($000) $16,507 Avg Close $391.72 Range $343.15 - $428.22

Q2 2021

Shares 40,998 Value ($000) $14,169 Avg Close $316.51 Range $279.69 - $349.07

Q1 2021

Shares 40,998 Value ($000) $11,650 Avg Close $273.06 Range $244.77 - $299.06

Q4 2020

Shares 37,795 Value ($000) $9,351 Avg Close $226.59 Range $192.54 - $252.67

Q4 2019

Shares 82,740 Value ($000) $19,332 Avg Close $220.88 Range $204.58 - $236.37

Q3 2019

Shares 281,657 Value ($000) $62,874 Avg Close $215.83 Range $199.87 - $237.51

Q2 2019

Shares 310,327 Value ($000) $66,795 Avg Close $218.51 Range $199.11 - $255.21

Q1 2019

Shares 315,467 Value ($000) $79,406 Avg Close $227.86 Range $174.95 - $252.24

Q4 2018

Shares 316,617 Value ($000) $59,730 Avg Close $189.96 Range $167.94 - $204.64

Q3 2018

Shares 320,517 Value ($000) $62,398 Avg Close $193.64 Range $184.81 - $202.79

Q2 2018

Shares 327,727 Value ($000) $63,445 Avg Close $196.97 Range $187.28 - $211.78

Q1 2018

Shares 332,257 Value ($000) $66,003 Avg Close $206.81 Range $187.66 - $220.20

Q4 2017

Shares 336,377 Value ($000) $64,985 Avg Close $193.09 Range $179.27 - $201.95

Q3 2017

Shares 344,687 Value ($000) $61,878 Avg Close $181.32 Range $171.32 - $190.39

Q2 2017

Shares 365,007 Value ($000) $67,103 Avg Close $173.76 Range $154.15 - $187.65

Q1 2017

Shares 436,137 Value ($000) $68,173 Avg Close $149.35 Range $134.68 - $158.81

Q4 2016

Shares 471,657 Value ($000) $63,386 Avg Close $142.72 Range $133.35 - $160.00

Q3 2016

Shares 488,487 Value ($000) $77,420 Avg Close $154.74 Range $140.50 - $162.53

Q2 2016

Shares 628,667 Value ($000) $88,422 Avg Close $135.27 Range $128.90 - $140.75

Q1 2016

Shares 650,867 Value ($000) $85,862 Avg Close $124.75 Range $112.00 - $133.02

Q4 2015

Shares 651,117 Value ($000) $87,627 Avg Close $128.50 Range $115.21 - $136.95

Q3 2015

Shares 657,721 Value ($000) $77,749 Avg Close $126.49 Range $113.98 - $136.17

Q2 2015

Shares 711,722 Value ($000) $91,371 Avg Close $129.76 Range $120.79 - $137.39

Q1 2015

Shares 973,611 Value ($000) $121,039 Avg Close $119.29 Range $111.77 - $125.86

Q4 2014

Shares 975,734 Value ($000) $109,985 Avg Close $109.55 Range $93.56 - $117.71

Q3 2014

Shares 983,434 Value ($000) $97,478 Avg Close $103.09 Range $99.08 - $108.89

Q2 2014

Shares 1,035,761 Value ($000) $108,175 Avg Close $105.18 Range $97.86 - $114.36

Q1 2014

Shares 1,040,561 Value ($000) $112,807 Avg Close $108.40 Range $97.90 - $115.06

Q4 2013

Shares 688,950 Value ($000) $68,895 Avg Close $100.80 Range $94.50 - $107.13

Q3 2013

Shares 695,150 Value ($000) $73,832 Avg Close $102.55 Range $97.53 - $108.89

Q2 2013

Shares 683,754 Value ($000) $68,410 Avg Close $95.76 Range $87.85 - $102.69

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,047	$14,831	$367.96	$299.63 - $414.15
Q3 2025	48,567	$14,561	$301.75	$275.05 - $366.68
Q2 2025	49,047	$17,119	$343.81	$297.14 - $368.02
Q1 2025	68,901	$25,395	$387.18	$355.00 - $423.56
Q4 2024	69,041	$25,613	$365.79	$321.32 - $397.02
Q3 2024	98,459	$35,434	$325.56	$279.24 - $363.55
Q2 2024	98,859	$28,681	$319.12	$283.59 - $367.21
Q1 2024	92,159	$31,724	$328.72	$293.46 - $363.80
Q4 2023	92,259	$30,374	$276.19	$231.90 - $335.40
Q3 2023	97,659	$26,779	$276.34	$256.06 - $300.77
Q2 2023	88,044	$23,467	$278.30	$248.18 - $313.25
Q1 2023	77,844	$24,103	$323.46	$291.95 - $350.97
Q4 2022	50,694	$17,367	$316.35	$265.61 - $353.71
Q3 2022	51,194	$13,798	$319.20	$269.37 - $369.00
Q2 2022	51,394	$17,010	$317.42	$288.32 - $344.15
Q1 2022	51,594	$16,014	$325.36	$297.65 - $372.24
Q4 2021	45,900	$17,102	$349.78	$324.35 - $375.24
Q3 2021	46,200	$16,507	$391.72	$343.15 - $428.22
Q2 2021	40,998	$14,169	$316.51	$279.69 - $349.07
Q1 2021	40,998	$11,650	$273.06	$244.77 - $299.06
Q4 2020	37,795	$9,351	$226.59	$192.54 - $252.67
Q4 2019	82,740	$19,332	$220.88	$204.58 - $236.37
Q3 2019	281,657	$62,874	$215.83	$199.87 - $237.51
Q2 2019	310,327	$66,795	$218.51	$199.11 - $255.21
Q1 2019	315,467	$79,406	$227.86	$174.95 - $252.24
Q4 2018	316,617	$59,730	$189.96	$167.94 - $204.64
Q3 2018	320,517	$62,398	$193.64	$184.81 - $202.79
Q2 2018	327,727	$63,445	$196.97	$187.28 - $211.78
Q1 2018	332,257	$66,003	$206.81	$187.66 - $220.20
Q4 2017	336,377	$64,985	$193.09	$179.27 - $201.95
Q3 2017	344,687	$61,878	$181.32	$171.32 - $190.39
Q2 2017	365,007	$67,103	$173.76	$154.15 - $187.65
Q1 2017	436,137	$68,173	$149.35	$134.68 - $158.81
Q4 2016	471,657	$63,386	$142.72	$133.35 - $160.00
Q3 2016	488,487	$77,420	$154.74	$140.50 - $162.53
Q2 2016	628,667	$88,422	$135.27	$128.90 - $140.75
Q1 2016	650,867	$85,862	$124.75	$112.00 - $133.02
Q4 2015	651,117	$87,627	$128.50	$115.21 - $136.95
Q3 2015	657,721	$77,749	$126.49	$113.98 - $136.17
Q2 2015	711,722	$91,371	$129.76	$120.79 - $137.39
Q1 2015	973,611	$121,039	$119.29	$111.77 - $125.86
Q4 2014	975,734	$109,985	$109.55	$93.56 - $117.71
Q3 2014	983,434	$97,478	$103.09	$99.08 - $108.89
Q2 2014	1,035,761	$108,175	$105.18	$97.86 - $114.36
Q1 2014	1,040,561	$112,807	$108.40	$97.90 - $115.06
Q4 2013	688,950	$68,895	$100.80	$94.50 - $107.13
Q3 2013	695,150	$73,832	$102.55	$97.53 - $108.89
Q2 2013	683,754	$68,410	$95.76	$87.85 - $102.69