<letters> Four a year, plus notes </letters>
Letters
from the fund
Quarterly letters and research notes. What we built, what we switched off, and why.
Q3 2026
Quarterly letter
Q3 2026: why we switched off Guidance tone
A strategy that read how upbeat companies sounded stopped working once others copied it. Here is how we noticed, and why we turned it off the same week.
Note 07
Research note
How a rewritten risk factor becomes a trade
One sentence changed in a 10-K. We follow it from the filing at 04:00 to the position at the open.
Note 04
Research note
What the bear agent is for
Every idea is argued against before it trades. The agents arguing against it are the most important part of the fund.
Note 02
Research note
Reading a supplier before its customer
A supplier's results often show up in its biggest customer's later. Two reports, one signal, weeks apart.
Q1 2026
Quarterly letter
Q1 2026: opening Fund I
Fund I opened to outside investors this quarter. What we built, the limits we set and who sets them.