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 4 of 20 rows. Rows without a quote are marked unavailable.
| 1 | VSAT | VIASAT INC COM | 25.72% | - | 10,051,492 | $446.39M | $44.41 | No quote |
| 2 | THRX | THERAVANCE INC COM | 18.78% | - | 13,000,000 | $325.91M | No quote | No quote |
| 3 | NWSA | NEWS CORP CL A | 15.98% | - | 19,050,000 | $277.37M | $14.56 | No quote |
| 4 | CSE | CAPITALSOURCE INC COM | 6.55% | Reduce -21.1% | 16,000,000 | $113.6M | No quote | No quote |
| 5 | ALR | ALERE INC COM | 6.54% | Add +106.7% | 3,100,000 | $113.46M | No quote | No quote |
| 6 | ENZN | ENZON PHARMACEUTICALS INC COM | 6.35% | Reduce -12.7% | 9,065,178 | $110.23M | No quote | No quote |
| 7 | BBEPQ | BREITBURN ENERGY PARTNERS LP COM UT LTD PTN | 5.05% | Reduce -39.3% | 4,350,000 | $87.61M | No quote | No quote |
| 8 | - | THERAVANCE INC NOTE 3.000% 1/1CUSIP 88338TAA2 | 3.32% | - | 51,000,000 | $57.57M | No quote | No quote |
| 9 | AOI | ALLIANCE ONE INTL INC COM | 2.15% | Reduce -0.1% | 8,786,700 | $37.26M | No quote | No quote |
| 10 | PDLI | PDL BIOPHARMA INC COM | 2.01% | New | 5,603,400 | $34.91M | No quote | No quote |
| 11 | REGN | REGENERON PHARMACEUTICALS COM | 1.89% | - | 1,000,000 | $32.83M | $32.83 | No quote |
| 12 | ITRN | ITURAN LOCATION AND CONTROL SHS | 1.73% | - | 1,721,066 | $30.1M | $17.49 | No quote |
| 13 | AVEO | AVEO PHARMACEUTICALS INC COM | 1.68% | New | 2,000,000 | $29.24M | No quote | No quote |
| 14 | ELOS | SYNERON MEDICAL LTD ORD SHS | 0.88% | - | 1,500,000 | $15.29M | No quote | No quote |
| 15 | MGAM | MULTIMEDIA GAMES INC COM | 0.84% | - | 2,600,000 | $14.51M | No quote | No quote |
| 16 | VOXX | AUDIOVOX CORP CL A | 0.53% | - | 1,060,576 | $9.15M | No quote | No quote |
| 20 | SLRC | SOLAR CAP LTD COM | - | Sold | 0 | $0 | No quote | No quote |
| 19 | LSTZA | LIBERTY MEDIA CORP NEW LIB STAR COM A | - | Sold | 0 | $0 | No quote | No quote |
| 18 | EXXI | ENERGY XXI (BERMUDA) LTD USD UNRS SHS | - | Sold | 0 | $0 | No quote | No quote |
| 17 | UFS | DOMTAR CORP COM NEW | - | Sold | 0 | $0 | No quote | No quote |