Know why you own it.
The research journal for long-term investors. Grade the business, write your thesis, follow the news — and ask Claude to challenge you.
A second opinion on every thesis.
Connect Claude and ask hard questions about any company you track — answers grounded in its filings and your own notes, right where you research.
Connect Claude ›Your holdings, against your own numbers.
Log what you own — no brokerage connection, ever. Portfolio tracks cost, value and allocation for free. Pro adds the value layer: the margin of safety between today’s price and your own fair values, on every row.
Releases, not noise.
Press releases from the companies you track, categorized daily — earnings, guidance, dividends, M&A. No commentary, no feed.
Show your work.
Turn any thesis into a read-only page — your grade, your numbers, your words. Send the link; no account needed to read it.
Take your journal with you.
Watchlists, grades and news wherever you are. Notes, theses and reviews sync with the web.
InvestJournal Pro
Five portfolio books, the value layer on your holdings, standing fair-value alerts and the screener. Everything you use today stays free.

