Berkshire Hathaway Inc. 13F holdings and portfolio analysis

ReadyBerkshire Hathaway · Warren Buffett

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Baseline

Analysis messages
Branch:
Baselinetested
Strategy Q&A reference3 reference Q&A

Pre-generated Q&A about this fund. Use as reference context for your own analysis.

baseline13FChat AI
Which holdings or sectors dominate the baseline risk profile?

Concentration is the first item to inspect: top 5 70.88%, top 10 88.27%, top 20 96.73%. The largest names are AAPL (Apple Inc.) 22.60%, AXP (American Express Company) 20.46%, BAC (Bank of America Corporation) 10.38%, KO (The Coca-Cola Company) 10.20%, and CVX (Chevron Corporation) 7.24%, and the largest sector exposures are Financials 42.81%, Information Technology 23.40%, and Consumer Staples 14.87%. If those exposures reverse, baseline performance can diverge sharply from a broad index.

Show the top holdings, sector weights, and concentration metrics for the latest disclosed period.
baseline13FChat AI
What does directly following Berkshire Hathaway Inc. expose an investor to as of 2026-03-31?

The baseline is a direct read-through of the disclosed fund portfolio. It is led by AAPL (Apple Inc.) 22.60%, AXP (American Express Company) 20.46%, and BAC (Bank of America Corporation) 10.38%, with sector exposure of Financials 42.81%, Information Technology 23.40%, and Consumer Staples 14.87%. The baseline metrics show return 10.76%, alpha -2.60%, beta 1.03, Sharpe 0.61, Sortino 0.75, and max drawdown -39.39%, so this should be treated as an equity exposure with its own concentration and timing risk rather than a neutral benchmark clone.

Compare the baseline holdings with the benchmark sector weights and identify the largest active risks.
baseline13FChat AI
Did the latest disclosed rebalance increase concentration, sector risk, or style tilt?

The latest change list shows AAPL unchanged to 22.60%; AXP unchanged to 20.46%; BAC unchanged to 10.38%. Combined with top 5 70.88%, top 10 88.27%, top 20 96.73%, that tells the user whether the baseline is becoming more concentrated or simply refreshing existing exposure. For a static page, this is the best first check before deciding whether the raw disclosed book is still acceptable.

Review the latest additions, reductions, and exits against the fund mandate and benchmark.
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