13F.
← BERKSHIRE HATHAWAY INC
Backtest

BERKSHIRE HATHAWAY INC

What you'd have made by mirroring BERKSHIRE HATHAWAY INC's public 13F filings, starting with $10,000 on Nov 14, 2013 and rebalancing at every disclosure through May 18, 2026.

52 filings replayed117 of 147 CUSIPs mapped to tickers316 closed trades29 still open

Equity curve

$10,000 mirrored · vs SPY
$10k$20k$30k$40k2015201720192021202320252026
Mirror portfolio$10k in SPY
Mirror — final
$13.26K
SPY — final
$41.23K
Mirror return
+32.6%
Alpha vs SPY
-279.7%

Realized P&L · closed trades

Cumulative profit from positions opened and later sold
$0$200.0B$400.0B$600.0B$800.0BCOF +$591.3BAAPL +$50.0BAAPL +$30.7BAXP +$15.6B201520162017201820192020202120222023202420252026
Realized P&L
+$741.11B
Closed trades
316
Win rate
42%
Avg return / closed
+11.3%

Biggest closed trades

IssuerEntryExitHeldReturnP&L
CAPITAL ONE FINL CORP
COF
Q2 2023Q2 20244Q+62%+$591.28B
APPLE INC
AAPL
Q1 2021Q2 202413Q+42%+$49.96B
APPLE INC
AAPL
Q2 2024Q3 20255Q+23%+$30.72B
AMERICAN EXPRESS CO
AXP
Q1 2021Q2 202413Q+85%+$15.57B
KRAFT HEINZ CO
KHC
Q4 2015Q1 202121Q-51%−$11.64B
AMERICAN EXPRESS CO
AXP
Q2 2024Q3 20255Q+27%+$9.43B
AMERICAN EXPRESS CO
AXP
Q4 2015Q1 202121Q+82%+$9.26B
WELLS FARGO & CO NEW
WFC
Q4 2015Q1 202121Q-37%−$8.95B
BANK AMER CORP
BAC
Q2 2024Q3 20255Q+23%+$8.86B
DIAGEO P L C
DEO
Q2 2023Q2 20244Q-21%−$8.57B

Every trade · entry date × return

Bubble = position size at entry
-50%-25%0%+25%+50%+100%+200%AAPL · +467%MA · +247%MCO · +186%2015201720192021202320252026
PositiveNegativeStill open (marked to market)
Best closed pick
AAPL +467%
Worst closed pick
AAL -69%
Total trades
345
Open trades
29