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Livermore
Livermore
ZHEN

Prospector Partners LLC

SEC CIK
0001080380
Latest filing
Feb 13, 2026

BRK.B holding history

Berkshire Hathaway Inc in every 13F filed by Prospector Partners LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

BRK.B overviewAll 13F holders of BRK.BFull Q4 2025 holdings

Shares (Q4 2025)
9,000
Value
$4.52M
% of portfolio
9.7%
Quarters held
20
Since Q1 2021
Holdings of BRK.B by Prospector Partners LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20259,000$4.52M9.7%−55,810−86.1%ReducedHolders
Q3 202564,810$32.6M3.9%00.0%UnchangedHolders
Q2 202564,810$31.5M3.7%00.0%UnchangedHolders
Q1 202564,810$34.5M3.9%00.0%UnchangedHolders
Q4 202464,810$29.4M3.3%−13,500−17.2%ReducedHolders
Q3 202478,310$36.0M3.8%00.0%UnchangedHolders
Q2 202478,310$31.9M3.7%00.0%UnchangedHolders
Q1 202478,310$32.9M3.8%−18,088−18.8%ReducedHolders
Q4 202396,398$34.4M4.3%+90+0.1%AddedHolders
Q3 202396,308$33.7M4.7%+130+0.1%AddedHolders
Q2 202396,178$32.8M4.6%−17,930−15.7%ReducedHolders
Q1 2023114,108$35.2M5.1%−31,022−21.4%ReducedHolders
Q4 2022145,130$44.8M6.2%00.0%UnchangedHolders
Q3 2022145,130$38.8M5.9%+1,060+0.7%AddedHolders
Q2 2022144,070$39.3M5.7%−17,930−11.1%ReducedHolders
Q1 2022162,000$57.2M7.1%−12,960−7.4%ReducedHolders
Q4 2021174,960$52.3M6.0%+14,040+8.7%AddedHolders
Q3 2021160,920$43.9M5.6%−1,770−1.1%ReducedHolders
Q2 2021162,690$45.2M5.7%+1,110+0.7%AddedHolders
Q1 2021161,580$41.3M5.3%––Holders

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