Seth Klarman's AI Stock Portfolio
Founder of Baupost Group and author of Margin of Safety, one of the most respected value investors of his generation. This page filters Baupost Group's Q2 2026 13F filing through the Supercycle universe: 4 of its reported positions are AI buildout companies, together 31.7% of the portfolio by value.
From the 13F-HR filed for the quarter ended . 13F filings cover long US-listed positions only and lag the quarter by up to 45 days; positions may have changed since. Not investment advice.
AI holdings, scored
| # | Holding | Value | % of portfolio | AI score | Layer | Q/Q |
|---|---|---|---|---|---|---|
| 1 | AMZNAmazon | $892.31M | 16.5% | 58 | Cloud & Hyperscalers | Added +20% |
| 2 | GOOGLAlphabet | $484.74M | 9.0% | 70 | Cloud & Hyperscalers | Added +16% |
| 3 | WCCWESCO International | $228.98M | 4.2% | 45 | Utilities & Grid | Trimmed -54% |
| 4 | GDSGDS Holdings | $113.21M | 2.1% | 65 | Data Centers & Hardware | Added +24% |
Where the AI money sits in the buildout
What changed: Q1 2026 to Q2 2026
Frequently asked questions
What is Seth Klarman's biggest AI stock?
In the Q2 2026 13F, Baupost Group's largest tracked AI position is Amazon (AMZN) at $892.31M, 16.5% of the reported portfolio. AMZN carries an AI Exposure Score of 58.
How much of Seth Klarman's portfolio is in AI stocks?
31.7% of Baupost Group's Q2 2026 13F value ($1.72B of $5.42B) is in companies in the Supercycle AI universe, with a value-weighted AI Exposure Score of 60 (Strategic tier).
What did Seth Klarman change last quarter?
Between Q1 2026 and Q2 2026: added AMZN, added GOOGL, trimmed WCC, added GDS.