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SmartMoneyDB

Real-time insider trading signals and institutional investor tracking powered by SEC Form 4 and 13F filings.

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Main Features

Insider Signals
Stock Research
Fund Holdings
Sector Allocation
Research & Backtests
Top Managers

13F Data & Legal

Largest Trades (13F)
Activity (13F)
SEC EDGAR Source →
Data delayed up to 45 days from quarter end.

AI Analysis

Analyst Take

Major fund pages carry a quarterly AI-written analysis of the filing — key moves, concentration, sector tilts and how the clone portfolio has performed.

Not investment advice. Past holdings do not predict future returns.

Norbert Lou 13F Holdings | Punch Card Management L.P. Portfolio Q2 2026

Norbert Lou

Founder, Punch Card Management

ValueAUM $255.95MPositions 5Q2 2026

🏆 Clone Portfolio Track Record

Rank #62 of 69 by 3-year alpha vs SPY · mechanically replicating this book, rebalanced at filing dates

A strong clone record is a track record, not a forecast — tested across a decade it doesn't reliably repeat. See what actually holds up →

Norbert Lou runs Punch Card Management, named after Buffett's '20-slot punch card' idea. Famous for legendary early bets (NVR at 10x earnings) and an extreme low-activity style — the portfolio often holds just 3-5 stocks and files nearly identical 13Fs for years.