Mariner
WAT icon

Mariner’s Waters Corp WAT Stock Holding History

Mariner’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 		$2.35M Buy
+7,884
New +$2.7M ﹤0.01% 1443
2025
Q4 		– Sell
-9,919
Closed -$2.97M – 3828
2025
Q3 		$2.97M Buy
9,919
+2,552
+35% +$770K ﹤0.01% 1196
2025
Q2 		$2.57M Buy
7,367
+686
+10% +$236K ﹤0.01% 1183
2025
Q1 		$2.46M Sell
6,681
-318
-5% -$123K ﹤0.01% 1122
2024
Q4 		$2.6M Sell
6,999
-859
-11% -$314K ﹤0.01% 1080
2024
Q3 		$2.83M Buy
7,858
+234
+3% +$76.2K 0.01% 1021
2024
Q2 		$2.21M Buy
7,624
+60
+0.8% +$19.1K ﹤0.01% 1062
2024
Q1 		$2.6M Sell
7,564
-3,246
-30% -$1.07M 0.01% 983
2023
Q4 		$3.56M Buy
10,810
+6,539
+153% +$1.81M 0.01% 811
2023
Q3 		$1.17M Buy
4,271
+829
+24% +$229K ﹤0.01% 1236
2023
Q2 		$917K Sell
3,442
-766
-18% -$213K ﹤0.01% 1362
2023
Q1 		$1.3M Sell
4,208
-691
-14% -$224K ﹤0.01% 1147
2022
Q4 		$1.68M Buy
4,899
+1,243
+34% +$393K 0.01% 998
2022
Q3 		$985K Buy
+3,656
New +$1.17M ﹤0.01% 1056

Other funds holding WAT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Massachusetts Financial Services
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
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fundsmith LLP
Fundsmith LLP London, United Kingdom $12.8B AUM 6.9% 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
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Mariner's WAT Position: Q1 2026 in Review

Mariner opened a new position in Waters Corp (WAT) in Q1 2026: 7,884 shares worth $2.35M. The stake represents ﹤0.01% of the portfolio and ranks #1443 among its holdings. This is a return to the name: Mariner previously reported a position in WAT as recently as Q3 2025.

Mariner first reported a position in WAT in Q3 2022 and has held it in 14 quarters since. The position peaked at $3.56M in Q4 2023. 1,170 funds tracked by Wall St. Rank hold WAT as of Q1 2026.

  • Mariner held 7,884 shares of Waters Corp worth $2.35M as of Q1 2026.
  • Waters Corp was a new Mariner position in Q1 2026.
  • Waters Corp made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1443 holding.
  • Mariner first reported a position in Waters Corp in Q3 2022 and has held it in 14 quarters since.
  • Mariner's Waters Corp position peaked at $3.56M in Q4 2023.
  • 1,170 funds tracked by Wall St. Rank held Waters Corp as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.