Diff two 13F filings by CUSIP (and check an AI's "what did Berkshire buy?" answer)
This story is from 2026-10-08. It is preserved in the archive; the latest stories are on the live feed.
A common question to put to an AI assistant is "what did this fund buy last quarter?", and the answer comes from Form 13F-HR. I build Equibles , which has an MCP server that answers it. In this post I check one of its answers, Berkshire Hathaway's changes for the quarter ended June 30, 2026, agains…
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- 2026-10-08 02:25 · DEV Community — AI
Diff two 13F filings by CUSIP (and check an AI's "what did Berkshire buy?" answer)