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 7 of 28 rows. Rows without a quote are marked unavailable.
| 1 | MU | MICRON TECHNOLOGY INC | 30.91% | - | 51,655,434 | $1.77B | $34.26 | No quote |
| 2 | LNG | CHENIERE ENERGY INC | 15.66% | Add +87.0% | 11,199,030 | $896.26M | No quote | No quote |
| 3 | VSAT | VIASAT INC | 11.10% | - | 11,533,137 | $635.71M | $55.12 | No quote |
| 4 | EBAY | EBAY INC | 6.03% | Add +37.4% | 6,096,707 | $345.26M | $56.63 | No quote |
| 5 | THRX | THERAVANCE INC | 5.92% | Reduce -2.8% | 19,815,983 | $338.66M | No quote | No quote |
| 6 | KERX | KERYX BIOPHARMACEUTICALS INC | 4.40% | Add +73.6% | 18,300,000 | $251.63M | No quote | No quote |
| 7 | OCN | OCWEN FINL CORP | 3.20% | New | 7,001,700 | $183.31M | No quote | No quote |
| 8 | PBF | PBF ENERGY INC | 3.00% | Add +27.7% | 7,145,418 | $171.49M | $24.00 | No quote |
| 9 | AR | ANTERO RES CORP | 2.65% | New | 2,759,510 | $151.47M | $54.89 | No quote |
| 10 | TBPH | THERAVANCE BIOPHARMA INC | 2.44% | - | 6,061,228 | $139.71M | No quote | No quote |
| 11 | VRTV | VERITIV CORP | 2.07% | New | 2,362,885 | $118.29M | No quote | No quote |
| 12 | CWSA | CITIGROUP INC | 2.03% | - | 122,573,007 | $116.44M | No quote | No quote |
| 13 | RFMD | RF MICRODEVICES INC | 1.97% | - | 9,759,185 | $112.62M | No quote | No quote |
| 14 | TQNT | TRIQUINT SEMICONDUCTOR INC | 1.96% | - | 5,880,696 | $112.15M | No quote | No quote |
| 15 | SEMI | SUNEDISON SEMICONDUCTOR LTD | 1.40% | - | 4,145,379 | $80.21M | No quote | No quote |
| 16 | IMOS | CHIPMOS TECH BERMUDA LTD | 1.30% | - | 3,283,235 | $74.27M | No quote | No quote |
| 17 | NG | NOVAGOLD RES INC | 1.15% | - | 21,688,300 | $65.72M | $3.03 | No quote |
| 18 | KOS | KOSMOS ENERGY LTD | 0.83% | - | 4,750,000 | $47.31M | No quote | No quote |
| 19 | ELOS | SYNERON MEDICAL LTD | 0.52% | Reduce -25.1% | 2,994,610 | $30.01M | No quote | No quote |
| 20 | KIN | KINDRED BIOSCIENCES INC | 0.49% | Add +9.1% | 3,013,848 | $27.88M | No quote | No quote |
| 21 | AIGWS | AMERICAN INTL GROUP INC | 0.33% | - | 788,998 | $18.78M | No quote | No quote |
| 22 | AOI | ALLIANCE ONE INTL INC | 0.22% | - | 6,383,641 | $12.58M | No quote | No quote |
| 23 | BYD | BOYD GAMING CORP | 0.17% | Reduce -65.0% | 979,476 | $9.95M | $10.16 | No quote |
| 24 | ALDW | ALON USA PARTNERS LP | 0.10% | - | 329,188 | $5.83M | No quote | No quote |
| 25 | NCQ | NOVACOPPER INC | 0.10% | Add +20.0% | 6,005,298 | $5.54M | No quote | No quote |
| 26 | AVEO | AVEO PHARMACEUTICALS INC | 0.07% | - | 3,829,350 | $4.25M | No quote | No quote |
| 27 | IDIX | IDENIX PHARMACEUTICALS INC | - | Sold | 0 | $0 | No quote | No quote |
Other instruments
Bonds, warrants, or non-share principal positions reported alongside the equity portfolio.
| 1 | THRX | THERAVANCE INCNOTE 2.125% 1/1 | OTHER | 17,089,000 | $16.41M |