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 3 of 18 rows. Rows without a quote are marked unavailable.
| 1 | VSAT | VIASAT INC COM | 22.65% | - | 10,051,492 | $400.45M | $39.84 | No quote |
| 2 | NWSA | NEWS CORP CL A | 18.94% | - | 19,050,000 | $334.9M | $17.58 | No quote |
| 3 | THRX | THERAVANCE INC COM | 17.81% | - | 13,000,000 | $314.86M | No quote | No quote |
| 4 | ALR | ALERE INC COM | 6.86% | - | 3,100,000 | $121.33M | No quote | No quote |
| 5 | ENZN | ENZON PHARMACEUTICALS INC COM | 5.55% | Reduce -0.7% | 9,000,878 | $98.11M | No quote | No quote |
| 6 | ANV | ALLIED NEVADA GOLD CORP COM | 4.93% | New | 2,456,398 | $87.15M | No quote | No quote |
| 7 | CSE | CAPITALSOURCE INC COM | 4.16% | Reduce -34.7% | 10,450,000 | $73.57M | No quote | No quote |
| 8 | BBEPQ | BREITBURN ENERGY PARTNERS LP COM UT LTD PTN | 3.71% | Reduce -30.6% | 3,021,000 | $65.65M | No quote | No quote |
| 9 | PDLI | PDL BIOPHARMA INC COM | 3.44% | Add +87.3% | 10,495,225 | $60.87M | No quote | No quote |
| 10 | - | THERAVANCE INC NOTE 3.000% 1/1CUSIP 88338TAA2 | 3.29% | - | 51,000,000 | $58.08M | No quote | No quote |
| 11 | AVEO | AVEO PHARMACEUTICALS INC COM | 2.66% | Add +76.3% | 3,525,000 | $46.95M | No quote | No quote |
| 12 | AOI | ALLIANCE ONE INTL INC COM | 2.00% | - | 8,786,700 | $35.32M | No quote | No quote |
| 13 | ITRN | ITURAN LOCATION AND CONTROL SHS | 1.43% | Reduce -2.1% | 1,685,666 | $25.29M | $15.00 | No quote |
| 14 | ELOS | SYNERON MEDICAL LTD ORD SHS | 1.11% | - | 1,500,000 | $19.56M | No quote | No quote |
| 15 | MGAM | MULTIMEDIA GAMES INC COM | 0.84% | - | 2,600,000 | $14.9M | No quote | No quote |
| 16 | VOXX | AUDIOVOX CORP CL A | 0.48% | - | 1,060,576 | $8.49M | No quote | No quote |
| 17 | SCMR | SYCAMORE NETWORKS INC COM NEW | 0.14% | New | 100,000 | $2.44M | No quote | No quote |
| 18 | REGN | REGENERON PHARMACEUTICALS COM | - | Sold | 0 | $0 | No quote | No quote |