Ken Griffin’s W.R. Berkley WRB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$92.4M Buy
1,394,141
+1,281,891
+1,142% +$88.3M 0.01% 868
2025
Q4
$7.87M Buy
112,250
+23,244
+26% +$1.71M ﹤0.01% 3586
2025
Q3
$6.82M Buy
89,006
+70,805
+389% +$5.04M ﹤0.01% 3835
2025
Q2
$1.34M Sell
18,201
-56,255
-76% -$4.03M ﹤0.01% 6480
2025
Q1
$5.3M Sell
74,456
-292,920
-80% -$18M ﹤0.01% 3769
2024
Q4
$21.5M Buy
+367,376
New +$22M ﹤0.01% 2087
2024
Q3
Sell
-692,690
Closed -$38.9M 15373
2024
Q2
$36.3M Buy
+692,690
New +$37.1M 0.01% 1421
2024
Q1
Sell
-54,756
Closed -$2.96M 15525
2023
Q4
$2.58M Sell
54,756
-1,005,599
-95% -$45.8M ﹤0.01% 4918
2023
Q3
$44.9M Sell
1,060,355
-1,166,283
-52% -$48.3M 0.01% 1156
2023
Q2
$88.4M Buy
2,226,638
+882,561
+66% +$34.7M 0.02% 684
2023
Q1
$55.8M Buy
1,344,077
+158,909
+13% +$7.11M 0.01% 988
2022
Q4
$57.3M Sell
1,185,168
-266,736
-18% -$12.9M 0.01% 1015
2022
Q3
$62.5M Buy
1,451,904
+1,057,531
+268% +$45.9M 0.01% 884
2022
Q2
$17.9M Sell
394,373
-386,200
-49% -$17.6M ﹤0.01% 1960
2022
Q1
$34.7M Sell
780,573
-1,050,225
-57% -$41.9M 0.01% 1408
2021
Q4
$67M Sell
1,830,798
-5,069
-0.3% -$180K 0.01% 945
2021
Q3
$59.7M Buy
1,835,867
+349,483
+24% +$11.5M 0.01% 991
2021
Q2
$49.2M Sell
1,486,384
-1,978,434
-57% -$68.5M 0.01% 1143
2021
Q1
$116M Sell
3,464,818
-1,038,076
-23% -$32M 0.03% 520
2020
Q4
$133M Buy
4,502,894
+2,555,213
+131% +$73.7M 0.03% 417
2020
Q3
$52.9M Sell
1,947,681
-1,596,706
-45% -$43.8M 0.02% 824
2020
Q2
$90.2M Buy
3,544,387
+3,331,118
+1,562% +$81.7M 0.03% 455
2020
Q1
$4.95M Sell
213,269
-615,062
-74% -$18.3M ﹤0.01% 2721
2019
Q4
$25.4M Sell
828,331
-97,207
-11% -$3M 0.01% 1275
2019
Q3
$29.7M Sell
925,538
-955,991
-51% -$29.9M 0.01% 1135
2019
Q2
$55.1M Buy
1,881,529
+1,338,569
+247% +$36.6M 0.03% 675
2019
Q1
$13.6M Buy
542,960
+512,166
+1,663% +$12.1M 0.01% 1704
2018
Q4
$674K Buy
30,794
+20,298
+193% +$456K ﹤0.01% 5943
2018
Q3
$249K Sell
10,496
-25,495
-71% -$579K ﹤0.01% 7881
2018
Q2
$772K Sell
35,991
-755,251
-95% -$16.8M ﹤0.01% 5655
2018
Q1
$17M Sell
791,242
-2,618,683
-77% -$54.6M 0.01% 1261
2017
Q4
$72.4M Buy
3,409,925
+3,123,671
+1,091% +$63.8M 0.04% 455
2017
Q3
$5.66M Sell
286,254
-490,138
-63% -$9.81M ﹤0.01% 2181
2017
Q2
$15.9M Sell
776,392
-1,006,529
-56% -$20.4M 0.01% 1128
2017
Q1
$37.3M Sell
1,782,921
-1,062,447
-37% -$21.9M 0.03% 591
2016
Q4
$56.1M Buy
2,845,368
+2,505,620
+737% +$45M 0.06% 334
2016
Q3
$5.81M Sell
339,748
-2,468,242
-88% -$42.7M 0.01% 1830
2016
Q2
$49.9M Sell
2,807,990
-355,252
-11% -$5.91M 0.06% 342
2016
Q1
$52.7M Sell
3,163,242
-216,227
-6% -$3.32M 0.07% 281
2015
Q4
$54.8M Sell
3,379,469
-379,947
-10% -$6.2M 0.06% 354
2015
Q3
$60.6M Buy
3,759,416
+883,886
+31% +$14.5M 0.06% 350
2015
Q2
$44.2M Buy
2,875,530
+364,385
+15% +$5.43M 0.04% 561
2015
Q1
$37.6M Buy
2,511,145
+2,462,542
+5,067% +$36.6M 0.04% 618
2014
Q4
$738K Buy
48,603
+37,452
+336% +$563K ﹤0.01% 4177
2014
Q3
$158K Sell
11,151
-3,686,037
-100% -$51.2M ﹤0.01% 5977
2014
Q2
$50.7M Sell
3,697,188
-1,565,672
-30% -$20.4M 0.06% 363
2014
Q1
$64.9M Buy
5,262,860
+900,035
+21% +$10.9M 0.08% 289
2013
Q4
$56.1M Sell
4,362,825
-2,207,520
-34% -$28.3M 0.07% 317
2013
Q3
$83.4M Sell
6,570,345
-650,974
-9% -$8.17M 0.13% 155
2013
Q2
$87.4M Buy
+7,221,319
New +$90.9M 0.15% 129

Other funds holding WRB

Ken Griffin's WRB Position: Q1 2026 in Review

Ken Griffin increased its W.R. Berkley (WRB) stake by 1,142% in Q1 2026, buying an estimated $88.3M and bringing the position to 1,394,141 shares worth $92.4M. The position accounts for 0.01% of the portfolio, ranked #868.

Ken Griffin first reported a position in WRB in Q2 2013 and has held it in 50 quarters since. The position peaked at $133M in Q4 2020. 923 funds tracked by Wall St. Rank hold WRB as of Q1 2026.

  • Ken Griffin held 1,394,141 shares of W.R. Berkley worth $92.4M as of Q1 2026.
  • Ken Griffin bought 1,281,891 W.R. Berkley shares in Q1 2026, an estimated $88.3M.
  • W.R. Berkley made up 0.01% of Ken Griffin's portfolio in Q1 2026, its #868 holding.
  • Ken Griffin first reported a position in W.R. Berkley in Q2 2013 and has held it in 50 quarters since.
  • Ken Griffin's W.R. Berkley position peaked at $133M in Q4 2020.
  • 923 funds tracked by Wall St. Rank held W.R. Berkley as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.