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Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

WRB holding history

Berkley W R Corp in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WRB overviewAll 13F holders of WRBFull Q2 2026 holdings

Shares (Q2 2026)
290,364
Value
$20.5M
% of portfolio
<0.1%
Quarters held
19
Since Q1 2021
Holdings of WRB by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026290,364$20.5M<0.1%+89,551+44.6%AddedHolders
Q1 2026200,813$13.3M<0.1%+200,813NewHolders
Q4 20250$00.0%−2,764−100.0%Sold outHolders
Q3 20252,764$211.8K<0.1%−397−12.6%ReducedHolders
Q2 20253,161$232.2K<0.1%+3,161NewHolders
Q4 20240$00.0%−73,914−100.0%Sold outHolders
Q3 202473,914$4.19M<0.1%+11,745+18.9%AddedHolders
Q2 202462,169$4.89M<0.1%+52,880+569.3%AddedHolders
Q1 20249,289$821.5K<0.1%−41,973−81.9%ReducedHolders
Q4 202351,262$3.63M<0.1%−180,501−77.9%ReducedHolders
Q3 2023231,763$14.7M<0.1%−719,985−75.6%ReducedHolders
Q2 2023951,748$56.7M0.1%+377,598+65.8%AddedHolders
Q1 2023574,150$35.7M0.1%+478,342+499.3%AddedHolders
Q4 202295,808$6.95M<0.1%+21,836+29.5%AddedHolders
Q3 202273,972$4.78M<0.1%−10,982−12.9%ReducedHolders
Q2 202284,954$5.80M<0.1%−234,068−73.4%ReducedHolders
Q1 2022319,022$21.2M<0.1%−240,349−43.0%ReducedHolders
Q4 2021559,371$46.1M0.1%−352,442−38.7%ReducedHolders
Q3 2021911,813$66.7M0.1%−204,109−18.3%ReducedHolders
Q2 20211,115,922$83.1M0.1%+133,139+13.5%AddedHolders
Q1 2021982,783$74.1M0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.