13F Notebook
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Fund detail

Berkshire Hathaway (Buffett)

holding-company, quality, buffett

Quarters 52
2022-09-30 $296.10B
Positions 49
Showing 3 of 3 rows (filtered from 50)

Price is the latest implied close from the selected quarter's 13F (value ÷ shares). Est. Cost is a running average that assumes each quarter's trades cleared near the midpoint of consecutive 13F closes (or yfinance VWAP when available). Most accurate for slow accumulators, least accurate for activists who build positions in a few days.

# Issuer Value ↓ Weight Shares Share Δ Share Δ % Prev Weight First Held Price Est. Cost Unrealized % Status
1 TAIWAN SEMICONDUCTOR MFG LTD TSM $4.12B 1.39% 60,060,880 +60,060,880 2022-09-30 $69 ~$69 +0.00%
2 LOUISIANA PAC CORP LPX $296.7M 0.10% 5,795,906 +5,795,906 2022-09-30 $51 ~$51 +0.00%
3 JEFFERIES FINL GROUP INC JEF $12.8M 0.00% 433,558 +433,558 2022-09-30 $30 ~$30 +0.00%