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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.

Chris Bloomstran 13F Holdings | President Portfolio Q1 2026

Chris Bloomstran

President, Semper Augustus Investments

AUM $837.34MPositions 44Q1 2026

🏆 Clone Portfolio Track Record

Rank #29 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 →

Chris Bloomstran runs Semper Augustus Investments and is widely followed for his exhaustive annual letters and deep expertise on Berkshire Hathaway. He holds a concentrated book of high-quality, reasonably-valued businesses with very low turnover.