Seth Klarman - Baupost Group
As of Q2 2026, Seth Klarman reported 23 long-equity positions worth $5.42B in aggregate.
Copy-investor backtest
- Latest quarter
- +3.22%
- 1-year
- +20.94%
- 3-year
- +48.31%
- 5-year
- +12.01%
- 3-year vs S&P 500
- -25.70%
- 5-year vs S&P 500
- -61.90%
- 5-year top 5
- -0.29%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. The vs S&P 500 figures subtract SPY over that manager's own rebalance dates, so both sides cover the same days; both are price return, excluding dividends. Method & limitations.
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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 8 of 25 rows. Rows without a quote are marked unavailable.
| 1 | MU | MICRON TECHNOLOGY INC | 32.12% | Add +54.2% | 64,000,000 | $1.12B | $17.47 | No quote |
| 2 | THRX | THERAVANCE INC | 21.73% | Add +11.9% | 18,510,371 | $756.52M | No quote | No quote |
| 3 | VSAT | VIASAT INC | 20.11% | - | 11,000,000 | $700.04M | $63.64 | No quote |
| 4 | BP | BP PLC | 6.76% | Reduce -69.9% | 5,597,482 | $235.26M | $42.03 | No quote |
| 5 | IDIX | IDENIX PHARMACEUTICALS INC | 4.42% | Add +10.8% | 29,665,693 | $153.97M | No quote | No quote |
| 6 | ROVI | ROVI CORP | 3.39% | - | 6,160,000 | $118.09M | No quote | No quote |
| 7 | ORCL | ORACLE CORP | 2.27% | - | 2,386,890 | $79.17M | $33.17 | No quote |
| 8 | CWSA | CITIGROUP INC | 2.03% | - | 94,246,007 | $70.5M | No quote | No quote |
| 9 | IMOS | CHIPMOS TECH BERMUDA LTD | 1.70% | Add +18.8% | 3,283,235 | $59.03M | No quote | No quote |
| 10 | NG | NOVAGOLD RES INC | 1.45% | - | 21,688,300 | $50.32M | $2.32 | No quote |
| 11 | ELOS | SYNERON MEDICAL LTD | 0.99% | - | 4,000,000 | $34.48M | No quote | No quote |
| 12 | PBF | PBF ENERGY INC | 0.62% | New | 955,140 | $21.44M | $22.45 | No quote |
| 13 | AOI | ALLIANCE ONE INTL INC | 0.53% | Reduce -16.8% | 6,383,641 | $18.58M | No quote | No quote |
| 14 | CPF | CENTRAL PAC FINL CORP | 0.40% | Reduce -47.7% | 779,715 | $13.8M | $17.70 | No quote |
| 15 | ENZN | ENZON PHARMACEUTICALS INC | 0.37% | - | 7,691,453 | $12.92M | No quote | No quote |
| 16 | AIGWS | AMERICAN INTL GROUP INC | 0.36% | - | 656,443 | $12.44M | No quote | No quote |
| 17 | NCQ | NOVACOPPER INC | 0.27% | - | 5,005,298 | $9.46M | No quote | No quote |
| 18 | ITRN | ITURAN LOCATION AND CONTROL | 0.25% | Reduce -54.1% | 476,341 | $8.79M | $18.45 | No quote |
| 19 | AVEO | AVEO PHARMACEUTICALS INC | 0.23% | - | 3,829,350 | $7.89M | No quote | No quote |
| 23 | AUY | YAMANA GOLD INC | - | Sold | 0 | $0 | No quote | No quote |
| 22 | PVG | PRETIUM RES INC | - | Sold | 0 | $0 | No quote | No quote |
| 21 | KGC | KINROSS GOLD CORP | - | Sold | 0 | $0 | No quote | No quote |
| 20 | AIG | AMERICAN INTL GROUP INC | - | Sold | 0 | $0 | No quote | No quote |
Other instruments
Bonds, warrants, or non-share principal positions reported alongside the equity portfolio.
| 1 | - | MICRON TECHNOLOGY INCDEBT 1.875% 6/0 | OTHER | 11,367,000 | $18.16M |
| 2 | - | THERAVANCE INCNOTE 3.000% 1/1 | OTHER | 0 | $0 |