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 6 of 21 rows. Rows without a quote are marked unavailable.
| 1 | VSAT | VIASAT INC COM | 18.05% | - | 10,051,492 | $434.93M | $43.27 | No quote |
| 2 | NWSA | NEWS CORP CL A | 13.99% | - | 19,050,000 | $337.19M | $17.70 | No quote |
| 3 | MSFT | MICROSOFT CORP COM | 12.95% | New | 12,000,000 | $312M | $26.00 | No quote |
| 4 | THRX | THERAVANCE INC COM | 11.95% | Reduce -0.3% | 12,961,100 | $287.87M | No quote | No quote |
| 5 | BP | BP PLC SPONSORED ADR | 10.11% | New | 5,500,000 | $243.6M | $44.29 | No quote |
| 6 | ANV | ALLIED NEVADA GOLD CORP COM | 4.96% | Add +37.5% | 3,378,300 | $119.49M | No quote | No quote |
| 7 | ALR | ALERE INC COM | 4.71% | - | 3,100,000 | $113.52M | No quote | No quote |
| 8 | AVEO | AVEO PHARMACEUTICALS INC COM | 3.79% | Add +25.8% | 4,433,010 | $91.36M | No quote | No quote |
| 9 | ENZN | ENZON PHARMACEUTICALS INC COM | 3.75% | - | 9,000,878 | $90.46M | No quote | No quote |
| 10 | CSE | CAPITALSOURCE INC COM | 2.80% | - | 10,450,000 | $67.4M | No quote | No quote |
| 11 | - | THERAVANCE INC NOTE 3.000% 1/1CUSIP 88338TAA2 | 2.34% | - | 51,000,000 | $56.36M | No quote | No quote |
| 12 | PDLI | PDL BIOPHARMA INC COM | 2.26% | Reduce -11.8% | 9,262,325 | $54.37M | No quote | No quote |
| 13 | BBEPQ | BREITBURN ENERGY PARTNERS LP COM UT LTD PTN | 2.02% | Reduce -17.3% | 2,500,000 | $48.65M | No quote | No quote |
| 14 | ELOS | SYNERON MEDICAL LTD ORD SHS | 1.93% | Add +155.7% | 3,836,071 | $46.53M | No quote | No quote |
| 15 | AOI | ALLIANCE ONE INTL INC COM | 1.18% | - | 8,786,700 | $28.38M | No quote | No quote |
| 16 | CPF | CENTRAL PAC FINL CORP COM NEW | 1.05% | New | 1,800,000 | $25.2M | $14.00 | No quote |
| 17 | ITRN | ITURAN LOCATION AND CONTROL SHS | 0.99% | - | 1,685,666 | $23.75M | $14.09 | No quote |
| 18 | MGAM | MULTIMEDIA GAMES HLDG CO INC COM | 0.48% | Reduce -2.9% | 2,525,000 | $11.49M | No quote | No quote |
| 19 | IDIX | IDENIX PHARMACEUTICALS INC COM | 0.26% | New | 1,255,700 | $6.28M | No quote | No quote |
| 20 | VOXX | AUDIOVOX CORP CL A | 0.24% | Reduce -26.8% | 776,415 | $5.87M | No quote | No quote |
| 21 | SCMR | SYCAMORE NETWORKS INC COM NEW | 0.21% | Add +125.0% | 225,000 | $5M | No quote | No quote |