Ticker: WAT CUSIP: 941848103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 395,352 | $150,096 | $367.96 | $299.63 - $414.15 |
| Q3 2025 | 499,100 | $149,561 | $301.75 | $275.05 - $366.68 |
| Q2 2025 | 262,687 | $91,753 | $343.81 | $297.14 - $368.02 |
| Q1 2025 | 220,779 | $81,079 | $387.18 | $355.00 - $423.56 |
| Q4 2024 | 218,608 | $81,083 | $365.79 | $321.32 - $397.02 |
| Q3 2024 | 210,644 | $75,847 | $325.56 | $279.24 - $363.55 |
| Q2 2024 | 195,481 | $56,692 | $319.12 | $283.59 - $367.21 |
| Q1 2024 | 186,030 | $64,032 | $328.72 | $293.46 - $363.80 |
| Q4 2023 | 175,724 | $57,858 | $276.19 | $231.90 - $335.40 |
| Q3 2023 | 132,658 | $36,379 | $276.34 | $256.06 - $300.77 |
| Q2 2023 | 206,233 | $54,973 | $278.30 | $248.18 - $313.25 |
| Q1 2023 | 193,806 | $60,006 | $323.46 | $291.95 - $350.97 |
| Q4 2022 | 212,845 | $72,872 | $316.35 | $265.61 - $353.71 |
| Q3 2022 | 165,373 | $44,872 | $319.20 | $269.37 - $369.00 |
| Q2 2022 | 174,484 | $57,743 | $317.42 | $288.32 - $344.15 |
| Q1 2022 | 170,152 | $53,255 | $325.36 | $297.65 - $372.24 |
| Q4 2021 | 175,276 | $65,294 | $349.78 | $324.35 - $375.24 |
| Q3 2021 | 267,780 | $96,041 | $391.72 | $343.15 - $428.22 |
| Q2 2021 | 251,270 | $86,914 | $316.51 | $279.69 - $349.07 |
| Q1 2021 | 275,466 | $78,258 | $273.06 | $244.77 - $299.06 |
| Q4 2020 | 280,043 | $69,341 | $226.59 | $192.54 - $252.67 |
| Q3 2020 | 212,858 | $41,656 | $207.83 | $179.76 - $239.74 |
| Q2 2020 | 190,305 | $34,331 | $189.00 | $171.38 - $210.90 |
| Q1 2020 | 117,242 | $21,537 | $210.92 | $154.39 - $245.68 |
| Q4 2019 | 98,718 | $22,935 | $220.88 | $204.58 - $236.37 |
| Q3 2019 | 87,540 | $19,542 | $215.83 | $199.87 - $237.51 |
| Q2 2019 | 87,846 | $18,908 | $218.51 | $199.11 - $255.21 |
| Q1 2019 | 89,128 | $22,435 | $227.86 | $174.95 - $252.24 |
| Q4 2018 | 98,421 | $18,546 | $189.96 | $167.94 - $204.64 |
| Q3 2018 | 85,157 | $16,578 | $193.64 | $184.81 - $202.79 |
| Q2 2018 | 85,886 | $16,625 | $196.97 | $187.28 - $211.78 |
| Q1 2018 | 154,761 | $30,744 | $206.81 | $187.66 - $220.20 |
| Q4 2017 | 143,772 | $27,775 | $193.09 | $179.27 - $201.95 |
| Q3 2017 | 128,354 | $23,040 | $181.32 | $171.32 - $190.39 |
| Q2 2017 | 120,958 | $22,238 | $173.76 | $154.15 - $187.65 |
| Q1 2017 | 98,139 | $15,340 | $149.35 | $134.68 - $158.81 |
| Q4 2016 | 109,990 | $14,781 | $142.72 | $133.35 - $160.00 |
| Q3 2016 | 90,810 | $14,329 | $154.74 | $140.50 - $162.53 |
| Q2 2016 | 87,549 | $12,141 | $135.27 | $128.90 - $140.75 |
| Q1 2016 | 89,695 | $11,840 | $124.75 | $112.00 - $133.02 |
| Q4 2015 | 92,560 | $12,488 | $128.50 | $115.21 - $136.95 |
| Q3 2015 | 81,064 | $9,552 | $126.49 | $113.98 - $136.17 |
| Q2 2015 | 66,856 | $8,582 | $129.76 | $120.79 - $137.39 |
| Q1 2015 | 86,392 | $10,740 | $119.29 | $111.77 - $125.86 |
| Q4 2014 | 96,107 | $10,844 | $109.55 | $93.56 - $117.71 |
| Q3 2014 | 82,695 | $8,207 | $103.09 | $99.08 - $108.89 |
| Q2 2014 | 58,086 | $6,066 | $105.18 | $97.86 - $114.36 |
| Q1 2014 | 59,239 | $6,422 | $108.40 | $97.90 - $115.06 |
| Q4 2013 | 51,939 | $5,194 | $100.80 | $94.50 - $107.13 |
| Q3 2013 | 55,150 | $5,858 | $102.55 | $97.53 - $108.89 |
| Q2 2013 | 50,051 | $5,008 | $95.76 | $87.85 - $102.69 |
| Q1 2013 | 38,457 | $3,611 | $92.22 | $85.01 - $95.41 |
| Q4 2012 | 28,877 | $2,515 | — | — |
| Q3 2012 | 23,723 | $1,976 | — | — |
| Q2 2012 | 23,508 | $1,869 | — | — |
| Q1 2012 | 29,167 | $2,702 | — | — |