Marshall Wace
CWT icon

Marshall Wace’s California Water Service CWT Stock Holding History

Marshall Wace’s Portfolio CWT Stock Details CWT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-256,767
Closed -$11.6M – 3264
2026
Q1 		$11.6M Buy
+256,767
New +$11.5M 0.01% 901
2025
Q2 		– Sell
-62,511
Closed -$3.03M – 2793
2025
Q1 		$3.03M Buy
62,511
+56,624
+962% +$2.57M ﹤0.01% 1285
2024
Q4 		$267K Sell
5,887
-15,408
-72% -$778K ﹤0.01% 2269
2024
Q3 		$1.15M Sell
21,295
-55,556
-72% -$2.95M ﹤0.01% 1597
2024
Q2 		$3.73M Buy
76,851
+59,956
+355% +$2.91M 0.01% 1119
2024
Q1 		$785K Sell
16,895
-8,408
-33% -$394K ﹤0.01% 1750
2023
Q4 		$1.31M Sell
25,303
-200,383
-89% -$10.1M ﹤0.01% 1383
2023
Q3 		$10.7M Sell
225,686
-233,460
-51% -$11.8M 0.02% 631
2023
Q2 		$23.7M Buy
459,146
+440,751
+2,396% +$24.7M 0.05% 420
2023
Q1 		$1.07M Buy
+18,395
New +$1.09M ﹤0.01% 1772
2022
Q2 		– Sell
-70,646
Closed -$4.19M – 3492
2022
Q1 		$4.19M Sell
70,646
-47,521
-40% -$2.86M 0.01% 1500
2021
Q4 		$8.49M Sell
118,167
-63,341
-35% -$4.07M 0.02% 989
2021
Q3 		$10.7M Buy
+181,508
New +$11.2M 0.04% 519

Other funds holding CWT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
Amundi
Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AIP
Atlas Infrastructure Partners London, United Kingdom $3.3B AUM 16.21% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Marshall Wace's CWT Position: Q2 2026 in Review

Marshall Wace sold out of California Water Service (CWT) in Q2 2026, closing a stake of 256,767 shares — an estimated $11.6M sold.

Marshall Wace first reported a position in CWT in Q3 2021 and held it in 13 quarters. The position peaked at $23.7M in Q2 2023. 345 funds tracked by Wall St. Rank hold CWT as of Q2 2026.

  • Marshall Wace reported no remaining California Water Service position as of Q2 2026 after selling out during the quarter.
  • Marshall Wace sold 256,767 California Water Service shares in Q2 2026, an estimated $11.6M.
  • Marshall Wace first reported a position in California Water Service in Q3 2021 and held it in 13 quarters.
  • Marshall Wace's California Water Service position peaked at $23.7M in Q2 2023.
  • 345 funds tracked by Wall St. Rank held California Water Service as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.