Ticker: WAT CUSIP: 941848103 Class: COM
Note: Option positions (PUT/CALL) are excluded.
| Period | Shares | Value ($000) | Average Close | Price Range |
|---|---|---|---|---|
| Q4 2025 | 163,120 | $61,958 | $367.96 | $299.63 - $414.15 |
| Q3 2025 | 171,600 | $51,447 | $301.75 | $275.05 - $366.68 |
| Q2 2025 | 180,100 | $62,862 | $343.81 | $297.14 - $368.02 |
| Q1 2025 | 167,500 | $61,735 | $387.18 | $355.00 - $423.56 |
| Q4 2024 | 167,700 | $62,213 | $365.79 | $321.32 - $397.02 |
| Q3 2024 | 176,100 | $63,377 | $325.56 | $279.24 - $363.55 |
| Q2 2024 | 175,400 | $50,887 | $319.12 | $283.59 - $367.21 |
| Q1 2024 | 177,000 | $60,929 | $328.72 | $293.46 - $363.80 |
| Q4 2023 | 184,800 | $60,842 | $276.19 | $231.90 - $335.40 |
| Q3 2023 | 189,900 | $52,072 | $276.34 | $256.06 - $300.77 |
| Q2 2023 | 213,200 | $56,826 | $278.30 | $248.18 - $313.25 |
| Q1 2023 | 235,700 | $72,980 | $323.46 | $291.95 - $350.97 |
| Q4 2022 | 243,400 | $83,384 | $316.35 | $265.61 - $353.71 |
| Q3 2022 | 261,011 | $70,350 | $319.20 | $269.37 - $369.00 |
| Q2 2022 | 262,511 | $86,886 | $317.42 | $288.32 - $344.15 |
| Q1 2022 | 264,311 | $82,039 | $325.36 | $297.65 - $372.24 |
| Q4 2021 | 233,311 | $86,932 | $349.78 | $324.35 - $375.24 |
| Q3 2021 | 244,011 | $87,185 | $391.72 | $343.15 - $428.22 |
| Q2 2021 | 253,811 | $87,720 | $316.51 | $279.69 - $349.07 |
| Q1 2021 | 238,620 | $67,809 | $273.06 | $244.77 - $299.06 |
| Q4 2020 | 234,020 | $57,901 | $226.59 | $192.54 - $252.67 |
| Q3 2020 | 240,920 | $47,143 | $207.83 | $179.76 - $239.74 |
| Q2 2020 | 245,920 | $44,364 | $189.00 | $171.38 - $210.90 |
| Q1 2020 | 250,120 | $45,534 | $210.92 | $154.39 - $245.68 |
| Q4 2019 | 210,520 | $49,188 | $220.88 | $204.58 - $236.37 |
| Q3 2019 | 229,520 | $51,236 | $215.83 | $199.87 - $237.51 |
| Q2 2019 | 233,159 | $50,185 | $218.51 | $199.11 - $255.21 |
| Q1 2019 | 253,059 | $63,697 | $227.86 | $174.95 - $252.24 |
| Q4 2018 | 249,759 | $47,117 | $189.96 | $167.94 - $204.64 |
| Q3 2018 | 250,059 | $48,681 | $193.64 | $184.81 - $202.79 |
| Q2 2018 | 260,659 | $50,461 | $196.97 | $187.28 - $211.78 |
| Q1 2018 | 254,959 | $50,648 | $206.81 | $187.66 - $220.20 |
| Q4 2017 | 294,859 | $56,964 | $193.09 | $179.27 - $201.95 |
| Q3 2017 | 294,859 | $52,933 | $181.32 | $171.32 - $190.39 |
| Q2 2017 | 292,259 | $53,729 | $173.76 | $154.15 - $187.65 |
| Q1 2017 | 285,559 | $44,636 | $149.35 | $134.68 - $158.81 |
| Q4 2016 | 224,259 | $30,138 | $142.72 | $133.35 - $160.00 |
| Q3 2016 | 224,259 | $35,543 | $154.74 | $140.50 - $162.53 |
| Q2 2016 | 227,859 | $32,048 | $135.27 | $128.90 - $140.75 |
| Q1 2016 | 212,259 | $26,836 | $124.75 | $112.00 - $133.02 |
| Q4 2015 | 148,959 | $20,047 | $128.50 | $115.21 - $136.95 |
| Q3 2015 | 147,459 | $17,431 | $126.49 | $113.98 - $136.17 |
| Q2 2015 | 134,159 | $17,223 | $129.76 | $120.79 - $137.39 |
| Q1 2015 | 126,959 | $15,784 | $119.29 | $111.77 - $125.86 |
| Q4 2014 | 77,959 | $8,788 | $109.55 | $93.56 - $117.71 |
| Q3 2014 | 81,359 | $8,064 | $103.09 | $99.08 - $108.89 |
| Q2 2014 | 82,959 | $8,664 | $105.18 | $97.86 - $114.36 |
| Q1 2014 | 82,459 | $8,939 | $108.40 | $97.90 - $115.06 |
| Q4 2013 | 90,659 | $9,066 | $100.80 | $94.50 - $107.13 |
| Q3 2013 | 92,759 | $9,852 | $102.55 | $97.53 - $108.89 |
| Q2 2013 | 91,459 | $9,150 | $95.76 | $87.85 - $102.69 |