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O'Rourke & Company’s Waters Corp WAT Stock Holding History

O'Rourke & Company’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
Q2 		$626K Sell
1,670
-81
-5% -$27.6K 0.22% 97
2026
Q1 		$521K Buy
1,751
+1
+0.1% +$342 0.21% 99
2025
Q4 		$665K Buy
1,750
+80
+5% +$29.4K 0.26% 87
2025
Q3 		$501K Hold
1,670
– – 0.21% 96
2025
Q2 		$583K Hold
1,670
– – 0.27% 80
2025
Q1 		$616K Hold
1,670
– – 0.31% 72
2024
Q4 		$620K Sell
1,670
-62
-4% -$22.7K 0.3% 70
2024
Q3 		$623K Hold
1,732
– – 0.31% 71
2024
Q2 		$502K Hold
1,732
– – 0.28% 71
2024
Q1 		$596K Sell
1,732
-450
-21% -$148K 0.35% 64
2023
Q4 		$718K Hold
2,182
– – 0.46% 47
2023
Q3 		$598K Sell
2,182
-250
-10% -$69.1K 0.44% 56
2023
Q2 		$648K Hold
2,432
– – 0.45% 52
2023
Q1 		$753K Sell
2,432
-850
-26% -$275K 0.57% 43
2022
Q4 		$1.12M Sell
3,282
-300
-8% -$94.9K 0.89% 30
2022
Q3 		$965K Hold
3,582
– – 0.84% 33
2022
Q2 		$1.19M Sell
3,582
-2,100
-37% -$667K 1.01% 29
2022
Q1 		$1.76M Sell
5,682
-400
-7% -$130K 1.22% 20
2021
Q4 		$2.27M Buy
+6,082
New +$2.13M 1.51% 18

Other funds holding WAT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $315B AUM 27.84% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $13.6B AUM 7.6% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return

O'Rourke & Company's WAT Position: Q2 2026 in Review

O'Rourke & Company reduced its Waters Corp (WAT) stake by 4.6% in Q2 2026, selling an estimated $27.6K and leaving 1,670 shares worth $626K. The position accounts for 0.22% of the portfolio, ranked #97.

O'Rourke & Company first reported a position in WAT in Q4 2021 and has held it in 19 quarters since. The position peaked at $2.27M in Q4 2021. 1,179 funds tracked by Wall St. Rank hold WAT as of Q2 2026.

  • O'Rourke & Company held 1,670 shares of Waters Corp worth $626K as of Q2 2026.
  • O'Rourke & Company sold 81 Waters Corp shares in Q2 2026, an estimated $27.6K.
  • Waters Corp made up 0.22% of O'Rourke & Company's portfolio in Q2 2026, its #97 holding.
  • O'Rourke & Company first reported a position in Waters Corp in Q4 2021 and has held it in 19 quarters since.
  • O'Rourke & Company's Waters Corp position peaked at $2.27M in Q4 2021.
  • 1,179 funds tracked by Wall St. Rank held Waters Corp as of Q2 2026.

Based on O'Rourke & Company's 13F filing for Q2 2026, filed 14 Aug 2026.