Whitebox Advisors LLC
- SEC CIK
- 0001257391
- Latest filing
- Aug 14, 2026
Holdings in Q1 2026
Holdings as of Mar 31, 2026, filed Aug 26, 2026. Long positions only; changes compare share counts with Q4 2025.
- Positions
- 550
- +84 vs. Q4 2025
- Portfolio value
- $7.07B
- +$1.07B (+17.8%) vs. Q4 2025
| Security | Class | Shares | Value | % of portfolio | Share change | Action | History |
|---|---|---|---|---|---|---|---|
| SMSM Energy Co | COM | 602,301 | $18.8M | 0.3% | +602,301 | New | History |
| Fluence Energy, Inc.34379VAB9 | NOTE 2.250% 6/1 | – | $20.1M | 0.3% | – | New | – |
| AMC Networks Inc00164VAJ2 | NOTE 4.250% 2/1 | – | $21.0M | 0.3% | – | – | – |
| LITELumentum Holdings Inc. | COM | 30,773 | $21.6M | 0.3% | +30,773 | New | History |
| IREN Ltd46270CAB5 | NOTE 3.250% 6/1 | – | $22.1M | 0.3% | – | – | – |
| CHRDChord Energy Corp | COM NEW | 159,476 | $22.7M | 0.3% | −15,000−8.6% | Reduced | History |
| Sunrun Inc.86771WAD7 | NOTE 4.000% 3/0 | – | $24.6M | 0.3% | – | – | – |
| HEI.AHeico Corp | CL A | 124,737 | $26.3M | 0.4% | 00.0% | Unchanged | History |
| Cleanspark, Inc.18452BAC4 | NOTE 6/1 | – | $27.6M | 0.4% | – | – | – |
| Wayfair Inc.94419LAR2 | NOTE 3.500%11/1 | – | $31.2M | 0.4% | – | – | – |
| Wolfspeed, Inc.977852AP7 | NOTE 2.500% 6/1 | – | $31.2M | 0.4% | – | – | – |
| Carnival Corp Ltd.14365C103 | ADR | 1,300,036 | $33.5M | 0.5% | +1,300,036 | New | – |
| Herbalife Ltd.42703MAF0 | NOTE 4.250% 6/1 | – | $35.0M | 0.5% | – | – | – |
| Omeros Corp682143AK8 | NOTE 9.500% 6/1 | – | $36.4M | 0.5% | – | – | – |
| ORCL.PDOracle Corp | 6.5 DEP CUM SR D | 900,000 | $40.5M | 0.6% | +900,000 | New | History |
| MARA Holdings, Inc.565788AD8 | NOTE 2.125% 9/0 | – | $42.3M | 0.6% | – | – | – |
| Upstart Hldgs Inc91680MAF4 | NOTE 1.000%11/1 | – | $43.0M | 0.6% | – | – | – |
| WBDWarner Bros. Discovery, Inc. | Stock | 1,615,001 | $44.3M | 0.6% | +1,215,000+303.7% | Added | History |
| Strategy Inc594972AU5 | NOTE 3/0 | – | $45.2M | 0.6% | – | New | – |
| Strategy Inc594972AQ4 | NOTE 0.625% 9/1 | – | $46.0M | 0.7% | – | – | – |
| GPORGulfport Energy Corp | COMMON SHARES | 219,627 | $46.5M | 0.7% | −5,000−2.2% | Reduced | History |
| MARA Holdings, Inc.565788AH9 | NOTE 6/0 | – | $47.7M | 0.7% | – | – | – |
| MASIMasimo Corp | COM | 270,001 | $48.0M | 0.7% | +270,001 | New | History |
| Encore Cap Group Inc292554AP7 | NOTE 4.000% 3/1 | – | $51.3M | 0.7% | – | – | – |
| TFPMTriple Flag Precious Metals Corp. | Stock | 1,518,950 | $52.7M | 0.7% | −7,680−0.5% | Reduced | History |
| TERNTerns Pharmaceuticals, Inc. | COM | 1,000,001 | $52.7M | 0.7% | +1,000,001 | New | History |
| VALValaris Ltd | CL A | 583,937 | $57.2M | 0.8% | +583,937 | New | History |
| MARA Holdings, Inc.565788AF3 | NOTE 3/0 | – | $61.6M | 0.9% | – | – | – |
| Upstart Hldgs Inc91680MAD9 | NOTE 2.000%10/0 | – | $63.3M | 0.9% | – | – | – |
| JetBlue Airways Corp477143AR2 | NOTE 2.500% 9/0 | – | $69.6M | 1.0% | – | – | – |
| Strategy Inc594972AS0 | NOTE 12/0 | – | $71.8M | 1.0% | – | – | – |
| Rivian Automotive, Inc.76954AAD5 | NOTE 3.625%10/1 | – | $74.0M | 1.0% | – | – | – |
| LBRDKLiberty Broadband Corp | COM SER C | 1,477,741 | $74.3M | 1.1% | +1,000+0.1% | Added | History |
| Centrus Energy Corp15643UAE4 | NOTE 2.250%11/0 | – | $92.5M | 1.3% | – | – | – |
| Super Micro Computer, Inc.86800UAB0 | NOTE 3.500% 3/0 | 138,601,000 | $110.5M | 1.6% | −14,500,000−9.5% | Reduced | – |
| Coinbase Global, Inc.19260QAF4 | NOTE 0.250% 4/0 | – | $111.6M | 1.6% | – | – | – |
| Strategy Inc594972AN1 | NOTE 2.250% 6/1 | – | $114.2M | 1.6% | – | – | – |
| WBSWebster Financial Corp | COM | 1,925,001 | $133.6M | 1.9% | +1,925,001 | New | History |
| Trip.com Group Ltd89677QAB3 | NOTE 0.750% 6/1 | – | $136.3M | 1.9% | – | – | – |
| PENPenumbra Inc | COM | 445,001 | $146.1M | 2.1% | +445,001 | New | History |
| GTLSChart Industries Inc | COM | 758,887 | $156.9M | 2.2% | +198,886+35.5% | Added | History |
| Applied Digital Corp.038169AB4 | NOTE 2.750% 6/0 | – | $161.2M | 2.3% | – | – | – |
| Snowflake Inc.833445AB5 | NOTE 10/0 | – | $162.3M | 2.3% | – | – | – |
| Snowflake Inc.833445AD1 | NOTE 10/0 | – | $174.7M | 2.5% | – | – | – |
| Sphere Entertainment Co.55826TAB8 | NOTE 3.500%12/0 | – | $216.8M | 3.1% | – | – | – |
| Alibaba Group Hldg Ltd01609WBG6 | NOTE 0.500% 6/0 | – | $221.8M | 3.1% | – | – | – |
| Lumentum Hldgs Inc55024UAD1 | NOTE 0.500%12/1 | – | $226.9M | 3.2% | – | – | – |
| EchoStar CORP278768AB2 | NOTE 3.875%11/3 | – | $365.1M | 5.2% | – | – | – |
| Lumentum Hldgs Inc55024UAH2 | NOTE 1.500%12/1 | – | $716.1M | 10.1% | – | – | – |
| Western Digital Corp958102AT2 | NOTE 3.000%11/1 | – | $1.46B | 20.7% | – | – | – |
Options (22)
Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.
| Security | Class | Puts | Calls |
|---|---|---|---|
| SPYSPDR S&P 500 ETF Trust | ETF | $325.2M | – |
| iShares Russell 2000 ETF464287655 | ETF | $186.0M | – |
| NVDANVIDIA Corp | Stock | $139.5M | – |
| SMCISuper Micro Computer, Inc. | Stock | $104.7M | – |
| TSMTaiwan Semiconductor Manufacturing Co Ltd | ADR | $67.6M | – |
| IBITiShares Bitcoin Trust ETF | ETF | $57.6M | – |
| NBISNebius Group N.V. | Stock | $51.9M | – |
| AAPLApple Inc. | Stock | $50.8M | – |
| MARAMARA Holdings, Inc. | COM | $35.7M | $8.16M |
| WBDWarner Bros. Discovery, Inc. | Stock | $30.2M | – |
| TSLATesla, Inc. | Stock | $27.9M | – |
| TERNTerns Pharmaceuticals, Inc. | COM | $26.4M | – |
| LUMNLumen Technologies, Inc. | Stock | $24.3M | – |
| MPTMedical Properties Trust Inc | COM | $8.29M | – |
| JBLUJetBlue Airways Corp | COM | – | $7.74M |
| HTZHertz Global Holdings, Inc | COM NEW | $6.78M | – |
| RIGTransocean Ltd. | REGISTERED SHS | $6.63M | – |
| SRPTSarepta Therapeutics, Inc. | COM | $4.67M | – |
| BTDRBitdeer Technologies Group | CL A ORD SHS | $3.40M | – |
| XRXXerox Holdings Corp | COM NEW | $2.58M | – |
| SABRSabre Corp | COM | – | $1.45M |
| AMCAMC Entertainment Holdings, Inc. | CL A NEW | $980.0K | – |
Sold out since Q4 2025 (86)
Positions held at the end of Q4 2025 that are gone from this filing.
| Security | Class | Shares in Q4 2025 | Value in Q4 2025 | % of portfolio in Q4 2025 | History |
|---|---|---|---|---|---|
| CADECadence Bancorporation | EQUITY US CM | 3,000,001 | $128.5M | 2.1% | History |
| CMAComerica Inc | COM | 1,250,001 | $108.7M | 1.8% | History |
| Cyberark Software LtdM2682V108 | SHS | 171,001 | $76.3M | 1.3% | – |
| Coinbase Global, Inc.19260QAB3 | NOTE 0.500% 6/0 | – | $60.9M | 1.0% | – |
| Freshpet, Inc.358039AB1 | NOTE 3.000% 4/0 | – | $36.7M | 0.6% | – |
| CFLTConfluent, Inc. | CLASS A COM | 1,054,747 | $31.9M | 0.5% | History |
| EXASExact Sciences Corp | COM | 307,001 | $31.2M | 0.5% | History |
| CDTXCidara Therapeutics, Inc. | COM NEW | 125,001 | $27.6M | 0.5% | History |
| WisdomTree, Inc.97717PAH7 | NOTE 3.250% 8/1 | – | $24.0M | 0.4% | – |
| Collegium Pharmaceutical, Inc19459JAC8 | NOTE 2.875% 2/1 | – | $15.1M | 0.3% | – |
| On Semiconductor Corp682189AS4 | NOTE 5/0 | – | $14.9M | 0.2% | – |
| Tyler Tex Indpt SCH Dist902252AB1 | NOTE 0.250% 3/1 | – | $12.5M | 0.2% | – |
| Pinnacle West Cap Corp723484AK7 | NOTE 4.750% 6/1 | – | $12.0M | 0.2% | – |
| CIVICivitas Resources, Inc. | EQUITY US CM | 427,887 | $11.6M | 0.2% | History |
| ZTSZoetis Inc. | Stock | 74,223 | $9.34M | 0.2% | History |
| Two HBRS Invt Corp90187BAB7 | NOTE 6.250% 1/1 | – | $9.23M | 0.2% | – |
| RYAAYRyanair Holdings PLC | SPONSORED ADR | 116,658 | $8.42M | 0.1% | History |
| GLIBKLiberty Capital Corp | SER C GCI GROUP | 213,031 | $7.93M | 0.1% | History |
| HAVAUHarvard Ave Acquisition Corp | UNIT 10/03/2030 | 750,000 | $7.57M | 0.1% | History |
| CHKPCheck Point Software Technologies Ltd | ORD | 36,630 | $6.80M | 0.1% | History |
| Li Auto Inc.50202MAB8 | NOTE 0.250% 5/0 | – | $5.54M | 0.1% | – |
| TGNATegna Inc | COM | 281,537 | $5.46M | 0.1% | History |
| PureCycle Technologies, Inc.74623VAB9 | NOTE 7.250% 8/1 | – | $5.41M | 0.1% | – |
| HOUSAnywhere Real Estate Inc. | COM | 347,880 | $4.93M | 0.1% | History |
| AA Mission Acquisition Corp.G1000R101 | ORD SHS CL A | 450,000 | $4.80M | 0.1% | – |
| iShares Inc464286640 | MSCI CHILE ETF | 113,456 | $4.58M | 0.1% | – |
| TGE Value Creative Solutions CorpG8773E126 | UNIT 99/99/9999 | 450,000 | $4.47M | 0.1% | – |
| Gossamer Bio, Inc.38341PAA0 | NOTE 5.000% 6/0 | – | $4.39M | 0.1% | – |
| MMTXUMiluna Acquisition Corp | UNIT 09/29/2030 | 400,000 | $4.00M | 0.1% | History |
| IRHOUIron Horse Acquisition II Corp. | UNIT 07/11/2030 | 350,000 | $3.48M | 0.1% | History |
| DMBBNY Mellon Municipal Bond Infrastructure Fund, Inc. | COM SHS | 310,458 | $3.41M | 0.1% | History |
| FTWPresidio Production Co | CL A ORD SHS | 300,000 | $3.15M | 0.1% | History |
| EVOXUEvolution Global Acquisition Corp | UNIT 10/22/2030 | 300,000 | $3.02M | 0.1% | History |
| VHCPUVine Hill Capital Investment Corp. II | UNIT 11/25/2030 | 300,000 | $3.01M | 0.1% | History |
| GPACUGeneral Purpose Acquisition Corp. | UNIT 12/03/2030 | 300,000 | $3.00M | 0.1% | History |
| LPCVULaunchpad Cadenza Acquisition Corp I | UNIT 12/15/2030 | 300,000 | $2.99M | <0.1% | History |
| ADACUAmerican Drive Acquisition Co | UNIT 12/04/2030 | 300,000 | $2.99M | <0.1% | History |
| SVAQUSilicon Valley Acquisition Corp. | UNIT 12/08/2030 | 300,000 | $2.98M | <0.1% | History |
| Cardlytics, Inc.14161WAD7 | NOTE 4.250% 4/0 | – | $2.89M | <0.1% | – |
| Safeguard Acquisition Corp.G77676123 | UNIT 99/99/9999 | 250,000 | $2.52M | <0.1% | – |
| CRANUCrane Harbor Acquisition Corp. II | UNIT 12/09/2030 | 217,635 | $2.19M | <0.1% | History |
| BLRKUBluerock Acquisition Corp. | UNIT 11/06/2030 | 218,525 | $2.19M | <0.1% | History |
| Crane HBR Acquisition CorpG24979109 | CL A | 200,000 | $2.15M | <0.1% | – |
| TBNTamboran Resources Corp | COM | 78,832 | $2.15M | <0.1% | History |
| SCPQUSocial Commerce Partners Corp | UNIT 11/24/2030 | 214,400 | $2.14M | <0.1% | History |
| SilverBox Corp VG8148S123 | UNIT 99/99/9999 | 206,900 | $2.08M | <0.1% | – |
| Alussa Energy Acquisition Corp.G0233J126 | UNIT 99/99/9999 | 200,000 | $2.02M | <0.1% | – |
| BPACUBlueport Acquisition Ltd | UNIT 10/22/2030 | 200,000 | $2.02M | <0.1% | History |
| DSACUDaedalus Special Acquisition Corp. | UNIT 11/10/2030 | 200,000 | $2.01M | <0.1% | History |
| MESHUMeshflow Acquisition Corp | UNIT 11/19/2030 | 200,000 | $2.00M | <0.1% | History |
| AEAQUActivate Energy Acquisition Corp. | UNIT 11/10/2030 | 200,000 | $2.00M | <0.1% | History |
| BIXIUBitcoin Infrastructure Acquisition Corp Ltd | UNIT 11/06/2030 | 200,000 | $1.99M | <0.1% | History |
| VCICOdysseus (Cayman) Ltd | ORD SHS CL A | 150,000 | $1.62M | <0.1% | History |
| Voyager Acquisition CorpG93A7H104 | CL A | 150,000 | $1.60M | <0.1% | – |
| COLAColumbus Acquisition Corp/Cayman Islands | SHS | 150,000 | $1.56M | <0.1% | History |
| GLIBALiberty Capital Corp | SER A GCI GROUP | 41,785 | $1.54M | <0.1% | History |
| Pelican Acquisition CorpG6993G103 | SHS | 150,000 | $1.52M | <0.1% | – |
| HCACUHall Chadwick Acquisition Corp | UNIT 11/20/2030 | 150,000 | $1.50M | <0.1% | History |
| TWLVUTwelve Seas Investment Co III/Cayman | UNIT 11/21/2030 | 150,000 | $1.49M | <0.1% | History |
| BlackRock New York Municipal Income Trust09248L106 | SH BEN INT | 145,147 | $1.47M | <0.1% | – |
| CAPNCayson Acquisition Corp | SHS | 125,000 | $1.33M | <0.1% | History |
| RIBBRibbon Acquisition Corp. | ORD SHS CL A | 125,000 | $1.30M | <0.1% | History |
| MHNBlackRock Muniholdings New York Quality Fund, Inc. | COM | 121,671 | $1.24M | <0.1% | History |
| CCXIUChurchill Capital Corp XI | UNIT 12/10/2030 | 100,000 | $1.02M | <0.1% | History |
| iShares Tr464289842 | MSCI PERU GL ETF | 14,063 | $1.02M | <0.1% | – |
| SCIIUSC II Acquisition Corp. | UNIT 11/06/2030 | 100,000 | $1.01M | <0.1% | History |
| ITHAUITHAX Acquisition Corp III | UNIT 11/17/2030 | 100,000 | $997.5K | <0.1% | History |
| LFACULeapfrog Acquisition Corp | UNIT 11/10/2030 | 75,000 | $750.4K | <0.1% | History |
| BYNDBeyond Meat, Inc. | COM | 855,600 | $701.6K | <0.1% | History |
| Osisko Development Corp68828E809 | COM NEW | 166,074 | $579.6K | <0.1% | – |
| PSKYParamount Skydance Corp | COM CL B | 43,067 | $577.1K | <0.1% | History |
| PNWPinnacle West Capital Corp | COM | 5,974 | $529.9K | <0.1% | History |
| NEXMNexMetals Mining Corp. | COM NEW | 254,377 | $496.1K | <0.1% | History |
| MUEBlackRock Muniholdings Quality Fund II, Inc. | COM | 46,481 | $466.2K | <0.1% | History |
| New Amer Acquisition I Corp023634207 | UNIT 99/99/9999 | 35,000 | $364.4K | <0.1% | – |
| NFENew Fortress Energy Inc. | COM CL A | 200,000 | $228.0K | <0.1% | History |
| SWSmurfit Westrock plc | Stock | 5,348 | $206.8K | <0.1% | History |
| RIGTransocean Ltd. | REGISTERED SHS | 50,000 | $206.5K | <0.1% | History |
| Crane HBR Acquisition CorpG24979117 | RIGHT 04/17/2030 | 225,000 | $180.0K | <0.1% | – |
| AA Mission Acquisition Corp.G1000R127 | *W EXP 08/01/203 | 475,000 | $80.6K | <0.1% | – |
| Eqv Ventures Acquisition CorG3106N117 | *W EXP 07/01/203 | 99,997 | $48.0K | <0.1% | – |
| RZLVWRezolve AI PLC | *W EXP 08/15/202 | 46,500 | $42.3K | <0.1% | History |
| Pelican Acquisition CorpG6993G111 | RIGHT 05/02/2030 | 150,000 | $34.5K | <0.1% | – |
| Oak Woods Acquisition Corp67190B120 | RIGHT 03/23/2028 | 68,000 | $17.0K | <0.1% | – |
| Oak Woods Acquisition Corp67190B112 | *W EXP 03/23/202 | 68,000 | $2.70K | <0.1% | – |
| ECD Automotive Design, Inc.27877D112 | *W EXP 12/12/202 | 90,000 | $936 | <0.1% | – |