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Livermore
Livermore
ZHEN

Madden Securities Corp

SEC CIK
0001803566
Latest filing
Jul 24, 2026

BRK.B holding history

Berkshire Hathaway Inc in every 13F filed by Madden Securities Corp, 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 Q2 2026 holdings

Shares (Q2 2026)
798
Value
$399.4K
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of BRK.B by Madden Securities Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026798$399.4K0.1%00.0%UnchangedHolders
Q1 2026798$382.4K0.1%+90+12.7%AddedHolders
Q4 2025708$355.9K0.1%+24+3.5%AddedHolders
Q3 2025684$343.9K0.1%+20+3.0%AddedHolders
Q2 2025664$322.6K0.1%−550−45.3%ReducedHolders
Q1 20251,214$646.6K0.3%−10−0.8%ReducedHolders
Q4 20241,224$554.8K0.2%00.0%UnchangedHolders
Q3 20241,224$563.4K0.2%−150−10.9%ReducedHolders
Q2 20241,374$558.9K0.2%00.0%UnchangedHolders
Q1 20241,374$577.8K0.3%+274+24.9%AddedHolders
Q4 20231,100$392.3K0.2%00.0%UnchangedHolders
Q3 20231,100$385.3K0.2%−2−0.2%ReducedHolders
Q2 20231,102$375.8K0.2%00.0%UnchangedHolders
Q1 20231,102$340.3K0.2%00.0%UnchangedHolders
Q4 20221,102$340.4K0.2%00.0%UnchangedHolders
Q3 20221,102$294.0K0.2%+175+18.9%AddedHolders
Q2 2022927$253.0K0.1%−685−42.5%ReducedHolders
Q1 20221,612$569.0K0.3%+815+102.3%AddedHolders
Q4 2021797$238.0K0.1%−950−54.4%ReducedHolders
Q3 20211,747$477.0K0.3%−815−31.8%ReducedHolders
Q2 20212,562$712.0K0.4%00.0%UnchangedHolders
Q1 20212,562$655.0K0.4%––Holders

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