Semper Augustus
Writes one of the most detailed annual letters in the business, much of it a forensic reading of Berkshire. Concentrated value with a strong preference for balance-sheet quality.
Positions as of Q3 2024; 710 days ago.
Next disclosure due ~14 Feb 2025. Anything here may already have been sold.
Largest 5 are 58.84% of the book
US-listed shares only. A manager’s real portfolio is larger than this: bonds, foreign listings, cash and private businesses are not reported here, and short positions are never disclosed.
Open any ticker below to see the quarters in which tracked managers bought or sold it, against the price range at the time.
The assistant reads the 13F itself: the positions, the quarter they were filed for, and what changed against the one before. The answer carries the same lag the filing does.
Pressing one answers it here, from Christopher Bloomstran's 13F filings. One a day without an account; a free account has its own, and no card.
See every quarter Christopher Bloomstran has filed.
Ten seconds, no card, and nothing to cancel.
Every position, priced at the quarter it was filed
What Christopher Bloomstran actually held, against the range the stock traded in, and exactly what changed since the quarter before.
The whole bookMeasure
See who's buying with their own money
Insider filings with vesting and tax withholding struck out, so what's left is a real decision, not payroll.
Every filingMeasure
Ask what a position is really worth to them
The assistant answers from the company's own statements, and every figure links straight back to its filing.
Free, no card, and it does not expire.
| Company | Value | Shares | Weight | Change |
|---|---|---|---|---|
| BRK.BBERKSHIRE HATHAWAY INC DEL | $109.46M | 237,820 | 18.50% | +0.31%Added |
| BRK.ABERKSHIRE HATHAWAY INC DEL | $87.78M | 127 | 14.84% | −0.78%Trimmed |
35 more positions, included withMeasure