Conglomerate · CIK 0001067983

Warren Buffett

Berkshire Hathaway
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Warren Buffett runs Berkshire Hathaway, a conglomerate overseeing $274.16B in disclosed equity holdings (SEC CIK 0001067983). The latest portfolio (2025Q4) discloses 42 positions across 10 sectors, with the largest positions in AAPL, AXP and BAC. On a mark-to-market basis the tracked portfolio has returned 10.2% over the past year. OpenStocks tracks 40 consecutive quarterly snapshots for this manager — every position change, new entry, and exit is logged below.

Track Warren's filingsView holdings
Portfolio
$274.16B
Positions
42
Quarter
2025Q4
Filings tracked
40
1Y+10.2%3Y+80.9%5Y+79.0%Full performance →
Quarter
2025Q42025Q32025Q22025Q12024Q42024Q32024Q22024Q12023Q42023Q32023Q22023Q1

Holdings

Sorted by value · 2023Q3
1 positions
1
H1467J104CHUBB LIMITED
100.00%
of portfolio
Number of shares
8,143,530 sh
Holdings current value
$1.70B
Avg closing price
$254.30
Last action
Added 55.8%
2025Q4
Current —

Portfolio heatmap

Box size = % of portfolio · color = return since filing
CHUBB LIMITED
100.00%