Updated: Sep 30, 2026

Charles T Munger

COSTCOSTCO WHOLESALE CORP /NEWSEC CIK: 0001078511
Estimated Net Worth
$167 Million0.3%vs Last Year
Last Updated: Sep 30, 2026 09:47 PM EST

Transaction Summary

Total Transactions79
Buy-Sell Ratio0.60
Buy Transactions27
Sell Transactions45

Transaction Volume

Total Volume$11.15M
Net Volume-$8.63M
Buy Volume$1.26M
Sell Volume$9.89M

Trade Analysis

AVG Trade Size$141.09K
Largest Trade$3.46M
Most Active MonthOct
Most Active Year2010

Trading Sentiment

OverallBearish
Recent TradeBuying
Last 90 Days0 Trades
ConvictionNone

Net Worth & Trading Activity Over Time

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Monthly Trading Pattern

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Past Insider Trading and Trends

Charles T Munger has an estimated net worth of $167 Million. This is based on reported shares across multiple companies, which include COSTCO WHOLESALE CORP /NEW, BERKSHIRE HATHAWAY INC, and DAILY JOURNAL CORP.



2012 was Charles T Munger's most active year for acquiring shares with 6 total transactions. Charles T Munger's most active month to acquire stocks was the month of September. 2010 was Charles T Munger's most active year for disposing of shares, totalling 111 transactions. Charles T Munger's most active month to dispose stocks was the month of October. 2010 saw Charles T Munger paying a total of $630,000.00 for 16,500 shares, this is the most they've acquired in one year. In 2010 Charles T Munger cashed out on 221,288 shares for a total of $8,489,591.70, their largest year based on trade value.

Holdings & Transactions

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