Sound Shore Management - Performance Analysis

Investment performance metrics based on historical 13F filings data.

📊 Data Coverage: June 2013 to March 2026 • Initial Portfolio Value: $0.00B

Performance calculated from first filing in our database. This may not represent the investor's entire career.

Portfolio Growth (Since First Filing)

+2.98B

+9,999%+

Winning Positions

+60.74%

99 wins / 163 positions

Average Gain (Winners)

$39.75M

+9,999%+ avg per position

Active Positions

40

52 losing positions

Portfolio Value Over Time

Current: $3.0B
Change: +$3.0B (81076.69%)
$3.2B$1.6B$2.4M
Jun 2013Sep 2019Mar 2026

Total Positions Tracked

163

All holdings over time

Win/Loss Ratio

1.90

99 gains / 52 losses

Active vs. Exited

40 / 123

Current positions / Exited

Position Performance

99 Gains / 52 Losses

Performance calculated from first appearance in 13F filings. Initial values represent position value when first tracked, not actual purchase prices.

SymbolCompanySectorEntryStatusInitial ValueCurrent ValueGain/LossReturn %
BACBank of America CorporationFinancial ServicesJun 2013ACTIVE$140.50K$100.70M$100.56M+9,999%+
COFCapital One Financial CorporatiFinancial ServicesJun 2013EXITED$149.79K$97.21M$97.06M+9,999%+
FRCBFirst Republic Bank (San FranciFinancial ServicesJun 2022EXITED$56.85K$96.04M$95.98M+9,999%+
BRK-BBerkshire Hathaway Inc. NewFinancial ServicesMar 2016ACTIVE$154.23K$95.59M$95.44M+9,999%+
MUMicron Technology, Inc.TechnologyDec 2017EXITED$126.62K$93.55M$93.43M+9,999%+
EOGEOG Resources, Inc.EnergySep 2020EXITED$61.89K$92.89M$92.83M+9,999%+
HOLXHologic, Inc.HealthcareMar 2022EXITED$79.62K$90.28M$90.20M+9,999%+
CCitigroup, Inc.Financial ServicesJun 2013ACTIVE$108.81K$87.73M$87.63M+9,999%+
CLFCleveland-Cliffs Inc.Basic MaterialsSep 2022EXITED$65.05K$87.13M$87.06M+9,999%+
HIIHuntington Ingalls Industries, IndustrialsSep 2022EXITED$53.75K$82.64M$82.59M+9,999%+
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Important Note: Data Limitations

These metrics are based on 13F filing data which has significant limitations:

  • Quarterly Snapshots Only: 13F filings show positions at quarter-end, not actual transaction prices
  • No Transaction Prices: We cannot determine actual buy/sell prices, only end-of-quarter values
  • Performance Estimates: Gains/losses are calculated from first appearance to last update using quarterly values
  • Missing Data: Intra-quarter trades, dividends, corporate actions, and exact timing are not captured
  • Educational Only: These metrics are estimates for understanding general investment patterns, not actual realized returns

Use these metrics for informational and educational purposes only. They represent broad trends, not precise investment performance.