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FILER PROFILE · CIK 0000315090

BUFFETT WARREN E

5 filings 1 distinct issuers Active 2018-07-182025-06-30

Track Record

Total filings
5
1 SCHEDULE · 4 SC
Distinct issuers
1
20% issuer diversity
Median stake
37%
198,117 avg shares
AI briefs cached
0/5
intent-classified filings

Backtested Performance · post-filing returns (split + dividend adjusted)

Median 30d
across 0 filings · win rate —
Median 60d
across 0 filings · win rate —
Median 90d
across 0 filings · win rate —
Median 1y
across 0 filings · win rate —

Anchor: closest trading day on/after filing's date_of_event. Source: Yahoo Finance daily adj_close. Past performance is not indicative of future results.

Filings · 5 total

FiledFormIssuerStakeSharesIntent
2025-06-30 SCHEDULE BERKSHIRE HATHAWAY INCBRK-A 37.00% 198,117 view →
2021-06-23 SC BERKSHIRE HATHAWAY INCBRK-A view →
2020-07-08 SC BERKSHIRE HATHAWAY INCBRK-A view →
2019-07-02 SC BERKSHIRE HATHAWAY INCBRK-A view →
2018-07-18 SC BERKSHIRE HATHAWAY INCBRK-A view →

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