One year in, the DeepSeek Portfolio is up 66.52%. The S&P 500 returned 20.04% over the same twelve months. The portfolio has over 18 million AUM and 3k+ followers.
The experiment is run by a Wharton PhD
@alejandroll10. A language model picks and sizes a concentrated fifteen-name portfolio on Autopilot, rotates it on a roughly monthly cadence, and carries a written thesis on every position. Since it went live on February 3, 2025, it's up 73.41%.
The three heaviest positions today are an independent power producer, a memory chipmaker, and an oil tanker operator. Two of them ride the electricity and memory demand the AI buildout is pulling forward, and the third pays while shipping rates stay tight.
Every month each holding gets re-underwritten on fresh numbers. A name whose thesis already played out gets sold even when nothing went wrong, because a target reached is future upside of roughly zero. A name whose thesis broke gets sold too. A seat only stays occupied while that position still offers a better forward return than everything else the model could own.
The edge is repricing every position against the full opportunity set on a fixed schedule, and refusing to hold a name out of habit.
This is the book's read, not a trade idea, and past performance is no guarantee of the next twelve months.