S&CO Inc’s Waters Corp WAT Stock Holding History

S&CO Inc’s Portfolio WAT Stock Details WAT Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$3.4M	Buy	11,417 +463	+4%	+$158K	0.21%	87
2025 Q4	$4.16M	Sell	10,954 -130	-1%	-$47.8K	0.26%	79
2025 Q3	$3.32M	Sell	11,084 -1,500	-12%	-$453K	0.2%	93
2025 Q2	$4.39M	Buy	12,584 +120	+1%	+$41.3K	0.28%	77
2025 Q1	$4.59M	Sell	12,464 -812	-6%	-$314K	0.31%	71
2024 Q4	$4.92M	Buy	13,276 +130	+1%	+$47.6K	0.33%	66
2024 Q3	$4.73M	Hold	13,146	–	–	0.31%	70
2024 Q2	$3.81M	Buy	13,146 +55	+0.4%	+$17.6K	0.27%	73
2024 Q1	$4.51M	Buy	13,091 +558	+4%	+$183K	0.32%	67
2023 Q4	$4.13M	Buy	12,533 +1,973	+19%	+$545K	0.32%	69
2023 Q3	$2.9M	Hold	10,560	–	–	0.24%	72
2023 Q2	$2.81M	Buy	10,560 +1,585	+18%	+$441K	0.23%	72
2023 Q1	$2.78M	Hold	8,975	–	–	0.24%	73
2022 Q4	$3.07M	Hold	8,975	–	–	0.27%	68
2022 Q3	$2.42M	Hold	8,975	–	–	0.22%	76
2022 Q2	$2.97M	Hold	8,975	–	–	0.25%	72
2022 Q1	$2.79M	Hold	8,975	–	–	0.2%	83
2021 Q4	$3.34M	Hold	8,975	–	–	0.24%	76
2021 Q3	$3.21M	Hold	8,975	–	–	0.25%	76
2021 Q2	$3.1M	Hold	8,975	–	–	0.24%	78
2021 Q1	$2.55M	Hold	8,975	–	–	0.21%	82
2020 Q4	$2.22M	Sell	8,975 -234	-3%	-$53K	0.2%	90
2020 Q3	$1.8M	Hold	9,209	–	–	0.18%	88
2020 Q2	$1.66M	Hold	9,209	–	–	0.18%	88
2020 Q1	$1.68M	Sell	9,209 -1	-0%	-$211	0.22%	75
2019 Q4	$2.15M	Hold	9,210	–	–	0.22%	74
2019 Q3	$2.06M	Hold	9,210	–	–	0.23%	77
2019 Q2	$1.98M	Hold	9,210	–	–	0.22%	80
2019 Q1	$2.32M	Hold	9,210	–	–	0.26%	71
2018 Q4	$1.74M	Hold	9,210	–	–	0.22%	77
2018 Q3	$1.79M	Hold	9,210	–	–	0.2%	81
2018 Q2	$1.78M	Hold	9,210	–	–	0.21%	80
2018 Q1	$1.83M	Hold	9,210	–	–	0.23%	75
2017 Q4	$1.78M	Hold	9,210	–	–	0.22%	79
2017 Q3	$1.65M	Hold	9,210	–	–	0.21%	85
2017 Q2	$1.69M	Hold	9,210	–	–	0.22%	78
2017 Q1	$1.44M	Hold	9,210	–	–	0.2%	84
2016 Q4	$1.24M	Hold	9,210	–	–	0.18%	87
2016 Q3	$1.46M	Hold	9,210	–	–	0.22%	79
2016 Q2	$1.29M	Hold	9,210	–	–	0.2%	80
2016 Q1	$1.22M	Buy	9,210 +255	+3%	+$31.8K	0.2%	80
2015 Q4	$1.21M	Hold	8,955	–	–	0.2%	76
2015 Q3	$1.06M	Hold	8,955	–	–	0.18%	82
2015 Q2	$1.15M	Hold	8,955	–	–	0.17%	86
2015 Q1	$1.11M	Hold	8,955	–	–	0.16%	84
2014 Q4	$1.01M	Buy	8,955 +65	+0.7%	+$7.12K	0.15%	87
2014 Q3	$881K	Buy	8,890 +385	+5%	+$39.7K	0.13%	88
2014 Q2	$888K	Hold	8,505	–	–	0.12%	84
2014 Q1	$922K	Hold	8,505	–	–	0.14%	81
2013 Q4	$851K	Hold	8,505	–	–	0.14%	78
2013 Q3	$903K	Hold	8,505	–	–	0.16%	76
2013 Q2	$851K	Buy	+8,505	New	+$814K	0.13%	77

Other funds holding WAT

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

S&CO Inc's WAT Position: Q1 2026 in Review

S&CO Inc increased its Waters Corp (WAT) stake by 4.2% in Q1 2026, buying an estimated $158K and bringing the position to 11,417 shares worth $3.4M. The position accounts for 0.21% of the portfolio, ranked #87.

S&CO Inc first reported a position in WAT in Q2 2013 and has held it in 52 quarters since. The position peaked at $4.92M in Q4 2024. 1,170 funds tracked by Wall St. Rank hold WAT as of Q1 2026.

S&CO Inc held 11,417 shares of Waters Corp worth $3.4M as of Q1 2026.
S&CO Inc bought 463 Waters Corp shares in Q1 2026, an estimated $158K.
Waters Corp made up 0.21% of S&CO Inc's portfolio in Q1 2026, its #87 holding.
S&CO Inc first reported a position in Waters Corp in Q2 2013 and has held it in 52 quarters since.
S&CO Inc's Waters Corp position peaked at $4.92M in Q4 2024.
1,170 funds tracked by Wall St. Rank held Waters Corp as of Q1 2026.

Based on S&CO Inc's 13F filing for Q1 2026, filed 7 May 2026.