Seth Klarman - Baupost Group
As of Q1 2026, Seth Klarman reported 22 long-equity positions worth $5.12B in aggregate.
Copy-investor backtest
- Latest quarter
- +2.79%
- 1-year
- +38.08%
- 3-year
- +52.44%
- 3-year top 5
- +62.23%
Return from mechanically copying the disclosed 13F equity portfolio after each filing and rebalancing at the next. Method & limitations.
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Updated 2026-06-06 from SEC 13F data.
Live quotes available for 17 of 65 rows. Rows without a quote are marked unavailable.
| 1 | LBTYK | LIBERTY GLOBAL PLC | 15.01% | - | 53,971,307 | $1.52B | $28.09 | |
| 2 | QRVO | QORVO INC | 9.21% | Add +16.9% | 5,945,744 | $929.86M | $156.39 | |
| 3 | INTC | INTEL CORP | 9.20% | Reduce -8.7% | 18,036,950 | $928.9M | $51.50 | |
| 4 | VSAT | VIASAT INC | 7.18% | - | 16,288,959 | $725.51M | $44.54 | |
| 5 | GOOG | ALPHABET INC | 6.54% | Reduce -21.6% | 228,230 | $660.4M | $2893.59 | |
| 6 | LSXMK | LIBERTY MEDIA CORP DEL | 5.29% | Add +15.7% | 10,509,867 | $534.43M | No quote | No quote |
| 7 | VRTV | VERITIV CORP | 4.33% | - | 3,564,439 | $436.89M | No quote | No quote |
| 8 | META | META PLATFORMS INC | 3.28% | Reduce -36.4% | 984,500 | $331.14M | $336.35 | |
| 9 | FI | FISERV INC | 3.13% | New | 3,050,000 | $316.56M | No quote | No quote |
| 10 | SSNC | SS&C TECHNOLOGIES HLDGS INC | 3.10% | - | 3,816,892 | $312.91M | $81.98 | |
| 11 | MU | MICRON TECHNOLOGY INC | 3.00% | Reduce -54.6% | 3,250,416 | $302.78M | $93.15 | |
| 12 | WTW | WILLIS TOWERS WATSON PLC LTD | 2.94% | Add +25.0% | 1,250,000 | $296.86M | $237.49 | |
| 13 | NXST | NEXSTAR MEDIA GROUP INC | 2.56% | Reduce -16.3% | 1,712,092 | $258.49M | No quote | No quote |
| 14 | LSXMA | LIBERTY MEDIA CORP DEL | 2.51% | Add +13.1% | 4,975,000 | $252.98M | No quote | No quote |
| 15 | GTX 11 PERP A | GARRETT MOTION INCCUSIP 366505204 | 2.11% | New | 25,480,292 | $213.53M | No quote | No quote |
| 16 | LBTYA | LIBERTY GLOBAL PLC | 2.10% | - | 7,657,205 | $212.41M | $27.74 | |
| 17 | DBX | DROPBOX INC | 1.97% | Reduce -12.8% | 8,095,025 | $198.65M | No quote | No quote |
| 18 | VRNT | VERINT SYS INC | 1.95% | Add +6.4% | 3,754,965 | $197.17M | No quote | No quote |
| 19 | DBRG | DIGITALBRIDGE GROUP INC | 1.89% | - | 22,877,059 | $190.57M | No quote | No quote |
| 20 | PSTH | PERSHING SQUARE TONTINE HLDG | 1.86% | - | 9,550,504 | $188.34M | No quote | No quote |
| 21 | TBPH | THERAVANCE BIOPHARMA INC | 1.49% | - | 13,660,168 | $150.95M | No quote | No quote |
| 22 | GEN | NORTONLIFELOCK INC | 1.49% | New | 5,780,000 | $150.16M | $25.98 | |
| 23 | ATRA | ATARA BIOTHERAPEUTICS INC | 1.32% | - | 8,477,488 | $133.61M | No quote | No quote |
| 24 | ADV | ADVANTAGE SOLUTIONS INC | 0.95% | - | 12,195,000 | $95.55M | No quote | No quote |
| 25 | NUVB | NUVATION BIO INC | 0.72% | - | 8,623,021 | $72.96M | $8.46 | |
| 26 | JOBY | JOBY AVIATION INC | 0.70% | Reduce -3.8% | 9,620,793 | $70.23M | $7.30 | |
| 27 | LFG | ARCHAEA ENERGY INC | 0.62% | - | 3,500,000 | $62.16M | No quote | No quote |
| 28 | EHC | ENCOMPASS HEALTH CORP | 0.46% | New | 716,100 | $46.73M | $65.26 | |
| 29 | GRAB | GRAB HOLDINGS LIMITED | 0.43% | New | 6,402,221 | $43.37M | $6.77 | |
| 30 | AVAN | AVANTI ACQUISITION CORP | 0.39% | - | 4,000,000 | $39.28M | No quote | No quote |
| 31 | LMACA | LIBERTY MEDIA ACQUISITION CO | 0.33% | - | 3,200,000 | $32.9M | No quote | No quote |
| 32 | IS | IRONSOURCE LTD | 0.31% | Reduce -50.0% | 4,000,000 | $30.96M | No quote | No quote |
| 33 | GTX | GARRETT MOTION INC | 0.28% | - | 3,575,000 | $28.71M | $8.03 | |
| 34 | AGCB | ALTIMETER GROWTH CORP 2 | 0.24% | - | 2,500,000 | $24.65M | No quote | No quote |
| 35 | CGEM | CULLINAN ONCOLOGY INC | 0.22% | Reduce -16.3% | 1,535,560 | $22.51M | No quote | No quote |
| 36 | DGNU | DRAGONEER GROWTH OPT CORP II | 0.19% | - | 2,000,000 | $19.54M | No quote | No quote |
| 37 | TMQ | TRILOGY METALS INC NEW | 0.19% | Reduce -3.9% | 11,708,547 | $19.32M | No quote | No quote |
| 38 | FNCH | FINCH THERAPEUTICS GROUP INC | 0.11% | Reduce -6.3% | 1,132,253 | $11.29M | No quote | No quote |
| 39 | OB | OUTBRAIN INC | 0.11% | - | 792,000 | $11.09M | No quote | No quote |
| 40 | SVFA | SVF INVESTMENT CORP | 0.10% | - | 1,000,000 | $10.04M | No quote | No quote |
| 41 | PSTHWS | PERSHING SQUARE TONTINE HLDG | 0.03% | - | 1,944,444 | $2.57M | No quote | No quote |
| 42 | J209REORGPYMNT | NOBLE CORP NEW | 0.02% | - | 104,928 | $2.47M | No quote | No quote |
| 43 | AUROW | AURORA INNOVATION INC | 0.02% | New | 750,000 | $2.33M | $3.11 | No quote |
| 44 | RBACWS | REDBALL ACQUISITION CORP | 0.02% | - | 1,650,000 | $2.05M | No quote | No quote |
| 45 | ZGNWS | ERMENEGILDO ZEGNA N V | 0.01% | New | 700,000 | $1.41M | No quote | No quote |
| 46 | JOBYWS | JOBY AVIATION INC | 0.01% | - | 875,000 | $1.37M | No quote | No quote |
| 47 | AVANWS | AVANTI ACQUISITION CORP | 0.01% | - | 2,000,000 | $1.18M | No quote | No quote |
| 48 | CZOWF | CAZOO GROUP LTD | 0.01% | - | 1,250,000 | $1.13M | No quote | No quote |
| 49 | LMACW | LIBERTY MEDIA ACQUISITION CO | 0.01% | - | 640,000 | $1.12M | No quote | No quote |
| 50 | HZONWS | HORIZON ACQUISITION CORPORAT | 0.01% | - | 1,166,666 | $1.09M | No quote | No quote |
| 51 | EVTLWS | VERTICAL AEROSPACE LTD | 0.01% | New | 1,485,000 | $1.01M | No quote | No quote |
| 52 | SVFAW | SVF INVESTMENT CORP | 0.00% | - | 200,000 | $260K | No quote | No quote |
| 53 | HIPOWS | HIPPO HLDGS INC | 0.00% | - | 200,000 | $96K | No quote | No quote |
| 64 | SJR | SHAW COMMUNICATIONS INC | - | Sold | 0 | $0 | No quote | No quote |
| 63 | RTPYW | REINVENT TECHNOLOGY PARTNERS | - | Sold | 0 | $0 | No quote | No quote |
| 62 | PCG | PG&E CORP | - | Sold | 0 | $0 | No quote | No quote |
| 61 | IIACWS | INVESTINDUSTRIAL ACQUISITION | - | Sold | 0 | $0 | No quote | No quote |
| 60 | IIAC | INVESTINDUSTRIAL ACQUISITION | - | Sold | 0 | $0 | No quote | No quote |
| 59 | IFF | INTERNATIONAL FLAVORS&FRAGRA | - | Sold | 0 | $0 | No quote | No quote |
| 58 | HZON | HORIZON ACQUISITION CORPORAT | - | Sold | 0 | $0 | No quote | No quote |
| 57 | EBAY | EBAY INC. | - | Sold | 0 | $0 | No quote | No quote |
| 56 | DGNS | DRAGONEER GROWTH OPPTY CORP | - | Sold | 0 | $0 | No quote | No quote |
| 55 | BSNWS | BROADSTONE ACQUISITION CORP | - | Sold | 0 | $0 | No quote | No quote |
| 54 | BSN | BROADSTONE ACQUISITION CORP | - | Sold | 0 | $0 | No quote | No quote |
Other instruments
Bonds, warrants, or non-share principal positions reported alongside the equity portfolio.
| 1 | TBPH 3.25 11/01/23 | THERAVANCE BIOPHARMA INCNOTE 3.250%11/0 | OTHER | 30,000,000 | $28.78M |