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Iron Triangle Partners’s Waters Corp WAT Stock Holding History

Iron Triangle Partners’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
2025
Q4 		$39.9M Buy
+105,167
New +$38.7M 4.57% 7
2021
Q3 		– Sell
-169,999
Closed -$58.8M – 31
2021
Q2 		$58.8M Buy
+169,999
New +$53.8M 6.05% 5

Other funds holding WAT

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Massachusetts Financial Services
Massachusetts Financial Services Boston, Massachusetts $298B AUM 21.96% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Mawer Investment Management
Mawer Investment Management Calgary, Alberta, Canada $15.4B AUM 10.9% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
VAM
Veritas Asset Management London, United Kingdom $5.9B AUM 3.19% 1-Year Est. Return

Iron Triangle Partners's WAT Position: Q4 2025 in Review

Iron Triangle Partners opened a new position in Waters Corp (WAT) in Q4 2025: 105,167 shares worth $39.9M. The stake represents 4.57% of the portfolio and ranks #7 among its holdings. This is a return to the name: Iron Triangle Partners previously reported a position in WAT as recently as Q2 2021.

Iron Triangle Partners first reported a position in WAT in Q2 2021 and has held it in 2 quarters since. The position peaked at $58.8M in Q2 2021. 805 funds tracked by Wall St. Rank hold WAT as of Q4 2025.

  • Iron Triangle Partners held 105,167 shares of Waters Corp worth $39.9M as of Q4 2025.
  • Waters Corp was a new Iron Triangle Partners position in Q4 2025.
  • Waters Corp made up 4.57% of Iron Triangle Partners's portfolio in Q4 2025, its #7 holding.
  • Iron Triangle Partners first reported a position in Waters Corp in Q2 2021 and has held it in 2 quarters since.
  • Iron Triangle Partners's Waters Corp position peaked at $58.8M in Q2 2021.
  • 805 funds tracked by Wall St. Rank held Waters Corp as of Q4 2025.

Based on Iron Triangle Partners's 13F filing for Q4 2025, filed 17 Feb 2026.