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Matthew Hamilton Rosenberg’s Waters Corp WAT Stock Holding History

Matthew Hamilton Rosenberg’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 		$130K Sell
347
-12
-3% -$4.09K 0.02% 310
2026
Q1 		$107K Hold
359
– – 0.02% 315
2025
Q4 		$136K Buy
359
+29
+9% +$10.7K 0.03% 277
2025
Q3 		$98.9K Sell
330
-30
-8% -$9.05K 0.02% 336
2025
Q2 		$126K Hold
360
– – 0.03% 286
2025
Q1 		$133K Buy
360
+12
+3% +$4.65K 0.03% 262
2024
Q4 		$129K Sell
348
-19
-5% -$6.95K 0.03% 267
2024
Q3 		$132K Buy
367
+18
+5% +$5.86K 0.03% 264
2024
Q2 		$98.7K Sell
349
-18
-5% -$5.74K 0.03% 297
2024
Q1 		$126K Hold
367
– – 0.04% 275
2023
Q4 		$121K Hold
367
– – 0.04% 269
2023
Q3 		$101K Buy
367
+36
+11% +$9.95K 0.03% 280
2023
Q2 		$88.2K Buy
331
+200
+153% +$55.7K 0.03% 321
2023
Q1 		$40.6K Hold
131
– – 0.01% 507
2022
Q4 		$44.9K Hold
131
– – 0.02% 486
2022
Q3 		$35K Buy
131
+1
+0.8% +$319 0.01% 520
2022
Q2 		$44K Hold
130
– – 0.02% 491
2022
Q1 		$40K Hold
130
– – 0.01% 488
2021
Q4 		$48K Hold
130
– – 0.02% 422
2021
Q3 		$46K Hold
130
– – 0.02% 409
2021
Q2 		$45K Hold
130
– – 0.02% 375
2021
Q1 		$37K Hold
130
– – 0.02% 374
2020
Q4 		$32K Hold
130
– – 0.02% 378
2020
Q3 		$25K Hold
130
– – 0.02% 376
2020
Q2 		$23K Buy
+130
New +$24.6K 0.02% 405

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

Matthew Hamilton Rosenberg's WAT Position: Q2 2026 in Review

Matthew Hamilton Rosenberg reduced its Waters Corp (WAT) stake by 3.3% in Q2 2026, selling an estimated $4.09K and leaving 347 shares worth $130K. The position accounts for 0.02% of the portfolio, ranked #310.

Matthew Hamilton Rosenberg first reported a position in WAT in Q2 2020 and has held it in 25 quarters since. The position peaked at $136K in Q4 2025. 1,177 funds tracked by Wall St. Rank hold WAT as of Q2 2026.

  • Matthew Hamilton Rosenberg held 347 shares of Waters Corp worth $130K as of Q2 2026.
  • Matthew Hamilton Rosenberg sold 12 Waters Corp shares in Q2 2026, an estimated $4.09K.
  • Waters Corp made up 0.02% of Matthew Hamilton Rosenberg's portfolio in Q2 2026, its #310 holding.
  • Matthew Hamilton Rosenberg first reported a position in Waters Corp in Q2 2020 and has held it in 25 quarters since.
  • Matthew Hamilton Rosenberg's Waters Corp position peaked at $136K in Q4 2025.
  • 1,177 funds tracked by Wall St. Rank held Waters Corp as of Q2 2026.

Based on Matthew Hamilton Rosenberg's 13F filing for Q2 2026, filed 17 Jul 2026.