Blog
How the register is built, and what it is fair to conclude from it.
Writing on how the register is built, what its evidence supports, and how founders can use it without over-reading it.
Data
Where Y Combinator's companies actually are
6,631 YC companies, geolocated: three in four sit in a single country, eighty-seven share the rest, and the fourth-largest row on the list is the one with no country on file.
Fundraising
You got rejected from Y Combinator. Now what?
Notes from other people's receipts: what an F26 interview actually spent its ten minutes on, why the filter is slope rather than size, and what to do in the twelve weeks before the next deadline.
Method
What a match means, and what it does not
A filtered investor list is a research queue, not a shortlist of likely investors. What the register can tell you, and where the evidence stops.
Data
One firm, one record
The same investor arrives from a dozen sources under a dozen names. Deciding which of them are the same firm is the hardest part of keeping a register honest.