State of Wisconsin Investment Board
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State of Wisconsin Investment Board’s California Water Service CWT Stock Holding History

State of Wisconsin Investment Board’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
Q1 		$1.21M Sell
26,752
-7,142
-21% -$320K ﹤0.01% 1607
2025
Q4 		$1.47M Sell
33,894
-2,268
-6% -$103K ﹤0.01% 1528
2025
Q3 		$1.66M Sell
36,162
-292
-0.8% -$13.4K ﹤0.01% 1437
2025
Q2 		$1.66M Sell
36,454
-2,868
-7% -$137K ﹤0.01% 1379
2025
Q1 		$1.91M Buy
39,322
+948
+2% +$43.1K ﹤0.01% 1268
2024
Q4 		$1.74M Sell
38,374
-1,401
-4% -$70.7K ﹤0.01% 1340
2024
Q3 		$2.16M Sell
39,775
-553
-1% -$29.3K 0.01% 1279
2024
Q2 		$1.96M Sell
40,328
-2,496
-6% -$121K 0.01% 1297
2024
Q1 		$1.99M Buy
42,824
+37,351
+682% +$1.75M 0.01% 1249
2023
Q4 		$284K Sell
5,473
-636
-10% -$32K ﹤0.01% 2040
2023
Q3 		$289K Buy
6,109
+1,713
+39% +$86.7K ﹤0.01% 2071
2023
Q2 		$227K Sell
4,396
-12,910
-75% -$725K ﹤0.01% 2094
2023
Q1 		$1.01M Sell
17,306
-3,569
-17% -$212K ﹤0.01% 1482
2022
Q4 		$1.27M Sell
20,875
-3,248
-13% -$195K ﹤0.01% 1426
2022
Q3 		$1.27M Sell
24,123
-3,434
-12% -$201K ﹤0.01% 1458
2022
Q2 		$1.53M Buy
27,557
+18,857
+217% +$1.02M ﹤0.01% 1442
2022
Q1 		$516K Buy
8,700
+4,100
+89% +$247K ﹤0.01% 1846
2021
Q4 		$331K Buy
+4,600
New +$296K ﹤0.01% 1874

Other funds holding CWT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return
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 $3.37T AUM 44.26% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
NI
Nuance Investments Kansas City, Missouri $588M AUM 6.93% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $140B AUM 27.84% 1-Year Est. Return

State of Wisconsin Investment Board's CWT Position: Q1 2026 in Review

State of Wisconsin Investment Board reduced its California Water Service (CWT) stake by 21% in Q1 2026, selling an estimated $320K and leaving 26,752 shares worth $1.21M. The position accounts for ﹤0.01% of the portfolio, ranked #1607.

State of Wisconsin Investment Board first reported a position in CWT in Q4 2021 and has held it in 18 quarters since. The position peaked at $2.16M in Q3 2024. 339 funds tracked by Wall St. Rank hold CWT as of Q1 2026.

  • State of Wisconsin Investment Board held 26,752 shares of California Water Service worth $1.21M as of Q1 2026.
  • State of Wisconsin Investment Board sold 7,142 California Water Service shares in Q1 2026, an estimated $320K.
  • California Water Service made up ﹤0.01% of State of Wisconsin Investment Board's portfolio in Q1 2026, its #1607 holding.
  • State of Wisconsin Investment Board first reported a position in California Water Service in Q4 2021 and has held it in 18 quarters since.
  • State of Wisconsin Investment Board's California Water Service position peaked at $2.16M in Q3 2024.
  • 339 funds tracked by Wall St. Rank held California Water Service as of Q1 2026.

Based on State of Wisconsin Investment Board's 13F filing for Q1 2026, filed 15 May 2026.