California State Teachers Retirement System (CalSTRS)
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California State Teachers Retirement System (CalSTRS)’s W.R. Berkley WRB Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio WRB Stock Details WRB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$20.5M Sell
309,615
-73,915
-19% -$5.09M 0.02% 504
2025
Q4 		$26.9M Buy
383,530
+8,771
+2% +$646K 0.03% 445
2025
Q3 		$28.7M Sell
374,759
-24,757
-6% -$1.76M 0.03% 428
2025
Q2 		$29.4M Sell
399,516
-26,609
-6% -$1.91M 0.03% 415
2025
Q1 		$30.3M Buy
426,125
+13,112
+3% +$804K 0.04% 384
2024
Q4 		$24.2M Sell
413,013
-17,570
-4% -$1.05M 0.03% 456
2024
Q3 		$24.4M Sell
430,583
-15,517
-3% -$871K 0.03% 469
2024
Q2 		$23.4M Sell
446,100
-25,281
-5% -$1.35M 0.03% 455
2024
Q1 		$27.8M Sell
471,381
-1,227
-0.3% -$66.4K 0.04% 415
2023
Q4 		$22.3M Sell
472,608
-8,066
-2% -$368K 0.03% 459
2023
Q3 		$20.3M Sell
480,674
-36,976
-7% -$1.53M 0.03% 453
2023
Q2 		$20.6M Sell
517,650
-4,632
-0.9% -$182K 0.03% 470
2023
Q1 		$21.7M Sell
522,282
-4,791
-0.9% -$214K 0.03% 455
2022
Q4 		$25.5M Buy
527,073
+4,689
+0.9% +$226K 0.04% 405
2022
Q3 		$22.5M Sell
522,384
-5,687
-1% -$247K 0.04% 411
2022
Q2 		$24M Buy
528,071
+13,793
+3% +$627K 0.04% 419
2022
Q1 		$22.8M Sell
514,278
-34,614
-6% -$1.38M 0.03% 490
2021
Q4 		$20.1M Buy
548,892
+5,470
+1% +$194K 0.02% 552
2021
Q3 		$17.7M Sell
543,422
-95
-0% -$3.13K 0.02% 584
2021
Q2 		$18M Sell
543,517
-20,529
-4% -$711K 0.02% 595
2021
Q1 		$18.9M Buy
564,046
+5,927
+1% +$183K 0.03% 568
2020
Q4 		$16.5M Sell
558,119
-878
-0.2% -$25.3K 0.02% 576
2020
Q3 		$15.2M Buy
558,997
+10,811
+2% +$296K 0.02% 545
2020
Q2 		$14M Sell
548,186
-3,386
-0.6% -$83K 0.02% 537
2020
Q1 		$12.8M Buy
551,572
+36,761
+7% +$1.09M 0.03% 486
2019
Q4 		$15.8M Sell
514,811
-9,781
-2% -$302K 0.03% 525
2019
Q3 		$16.8M Buy
524,592
+1,136
+0.2% +$35.5K 0.03% 462
2019
Q2 		$15.3M Buy
523,456
+6,801
+1% +$186K 0.03% 499
2019
Q1 		$13M Sell
516,655
-11,833
-2% -$279K 0.03% 542
2018
Q4 		$11.6M Sell
528,488
-11,812
-2% -$265K 0.03% 537
2018
Q3 		$12.8M Buy
540,300
+219
+0% +$4.97K 0.02% 572
2018
Q2 		$11.6M Sell
540,081
-11,860
-2% -$264K 0.02% 601
2018
Q1 		$11.9M Sell
551,941
-16,612
-3% -$347K 0.03% 576
2017
Q4 		$12.1M Buy
568,553
+13,561
+2% +$277K 0.02% 589
2017
Q3 		$11M Sell
554,992
-45,660
-8% -$914K 0.02% 600
2017
Q2 		$12.3M Sell
600,652
-62,002
-9% -$1.26M 0.03% 580
2017
Q1 		$13.9M Sell
662,654
-29,025
-4% -$597K 0.03% 553
2016
Q4 		$13.6M Sell
691,679
-18,225
-3% -$327K 0.03% 558
2016
Q3 		$12.1M Buy
709,904
+6,075
+0.9% +$105K 0.03% 596
2016
Q2 		$12.5M Sell
703,829
-12,741
-2% -$212K 0.03% 571
2016
Q1 		$11.9M Buy
716,570
+88,931
+14% +$1.37M 0.03% 599
2015
Q4 		$10.2M Buy
627,639
+9,849
+2% +$161K 0.02% 623
2015
Q3 		$9.95M Buy
617,790
+18,451
+3% +$302K 0.03% 615
2015
Q2 		$9.22M Sell
599,339
-40,902
-6% -$609K 0.02% 669
2015
Q1 		$9.58M Sell
640,241
-10,604
-2% -$158K 0.02% 661
2014
Q4 		$9.88M Buy
650,845
+5,801
+0.9% +$87.2K 0.02% 654
2014
Q3 		$9.14M Buy
645,044
+26,565
+4% +$369K 0.02% 677
2014
Q2 		$8.49M Sell
618,479
-10,462
-2% -$136K 0.02% 714
2014
Q1 		$7.76M Sell
628,941
-33,750
-5% -$408K 0.02% 733
2013
Q4 		$8.52M Buy
662,691
+4,725
+0.7% +$60.6K 0.02% 668
2013
Q3 		$8.36M Buy
657,966
+20,256
+3% +$254K 0.02% 634
2013
Q2 		$7.72M Buy
+637,710
New +$8.03M 0.03% 623

Other funds holding WRB

MSI
Mitsui Sumitomo Insurance Tokyo, Japan $4.15B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $32.2B AUM 10.98% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
First Trust Advisors
First Trust Advisors Wheaton, Illinois $170B AUM 46.21% 1-Year Est. Return

California State Teachers Retirement System (CalSTRS)'s WRB Position: Q1 2026 in Review

California State Teachers Retirement System (CalSTRS) reduced its W.R. Berkley (WRB) stake by 19% in Q1 2026, selling an estimated $5.09M and leaving 309,615 shares worth $20.5M. The position accounts for 0.02% of the portfolio, ranked #504.

California State Teachers Retirement System (CalSTRS) first reported a position in WRB in Q2 2013 and has held it in 52 quarters since. The position peaked at $30.3M in Q1 2025. 925 funds tracked by Wall St. Rank hold WRB as of Q1 2026.

  • California State Teachers Retirement System (CalSTRS) held 309,615 shares of W.R. Berkley worth $20.5M as of Q1 2026.
  • California State Teachers Retirement System (CalSTRS) sold 73,915 W.R. Berkley shares in Q1 2026, an estimated $5.09M.
  • W.R. Berkley made up 0.02% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q1 2026, its #504 holding.
  • California State Teachers Retirement System (CalSTRS) first reported a position in W.R. Berkley in Q2 2013 and has held it in 52 quarters since.
  • California State Teachers Retirement System (CalSTRS)'s W.R. Berkley position peaked at $30.3M in Q1 2025.
  • 925 funds tracked by Wall St. Rank held W.R. Berkley as of Q1 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q1 2026, filed 18 May 2026.