JAT Capital Management, L.P.
JAT Capital Management, L.P., managed by John Thaler, reported 16 positions worth $47.41M in its 2026 Q2 13F filing: 10 new and 4 closed.
Estimated return
Since 2025 Q2 the disclosed positions returned an estimated +310.1% against +34.4% for the S&P 500. Price-only return of the fund's top 100 US longs at each quarter start, vs the S&P 500 over the same windows. Not the fund's actual return (no trades, fees, shorts, derivatives, cash).
| Quarter | Fund | S&P 500 |
|---|---|---|
| 2025 Q2 | +80.9% | +11.4% |
| 2025 Q3 | +26.8% | +7.6% |
| 2025 Q4 | -1.8% | +3.1% |
| 2026 Q1 | +9.5% | -5.8% |
| 2026 Q2 | +66.4% | +15.5% |
Top holdings, 2026 Q2
| Ticker | Company | Value | Portfolio % | Change |
|---|---|---|---|---|
| WDC | WESTERN DIGITAL CORP | $13.73M | 29.00% | NEW |
| ORCL | ORACLE CORP | $7.56M | 15.90% | NEW |
| MU | MICRON TECHNOLOGY INC | $5.29M | 11.20% | -86.3% |
| HOOD | ROBINHOOD MKTS INC | $5.15M | 10.90% | NEW |
| AAOI | APPLIED OPTOELECTRONICS INC | $3.93M | 8.30% | +164.6% |
| IREN | IREN LIMITED | $2.45M | 5.20% | NEW |
| LITE | LUMENTUM HLDGS INC | $2.02M | 4.30% | -21.7% |
| COHR | COHERENT CORP | $1.97M | 4.20% | -86.8% |
| STX | SEAGATE TECHNOLOGY HLDNGS PL | $1.34M | 2.80% | NEW |
| MRVL | MARVELL TECHNOLOGY INC | $1.04M | 2.20% | NEW |
| NOW | SERVICENOW INC | $794.24K | 1.70% | NEW |
| SPCX | SPACE EXPLORATION TECHN CORP | $768.87K | 1.60% | NEW |
| VST | VISTRA CORP | $396.57K | 0.84% | NEW |
| VIXY | PROSHARES TR II | $387.52K | 0.82% | NEW |
| AMZN | AMAZON COM INC | $297.93K | 0.63% | -97.4% |
| META | META PLATFORMS INC | $285.59K | 0.60% | -97.7% |
All funds · Hedge Fund Tracker
Source: SEC EDGAR 13F filings, reported as of quarter end and filed up to 45 days later. Not investment advice.