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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.

Institution overview
Positions
550
+84 vs. Q4 2025
Portfolio value
$7.07B
+$1.07B (+17.8%) vs. Q4 2025
Filed
Aug 26, 2026
AmendedSECSEC
Holdings of Whitebox Advisors LLC in Q1 2026
SecurityClassSharesValue% of portfolioShare changeActionHistory
Western Digital Corp958102AT2NOTE 3.000%11/1–$1.46B20.7%–––
Lumentum Hldgs Inc55024UAH2NOTE 1.500%12/1–$716.1M10.1%–––
EchoStar CORP278768AB2NOTE 3.875%11/3–$365.1M5.2%–––
Lumentum Hldgs Inc55024UAD1NOTE 0.500%12/1–$226.9M3.2%–––
Alibaba Group Hldg Ltd01609WBG6NOTE 0.500% 6/0–$221.8M3.1%–––
Sphere Entertainment Co.55826TAB8NOTE 3.500%12/0–$216.8M3.1%–––
Snowflake Inc.833445AD1NOTE 10/0–$174.7M2.5%–––
Snowflake Inc.833445AB5NOTE 10/0–$162.3M2.3%–––
Applied Digital Corp.038169AB4NOTE 2.750% 6/0–$161.2M2.3%–––
GTLSChart Industries IncCOM758,887$156.9M2.2%+198,886+35.5%AddedHistory
PENPenumbra IncCOM445,001$146.1M2.1%+445,001NewHistory
Trip.com Group Ltd89677QAB3NOTE 0.750% 6/1–$136.3M1.9%–––
WBSWebster Financial CorpCOM1,925,001$133.6M1.9%+1,925,001NewHistory
Strategy Inc594972AN1NOTE 2.250% 6/1–$114.2M1.6%–––
Coinbase Global, Inc.19260QAF4NOTE 0.250% 4/0–$111.6M1.6%–––
Super Micro Computer, Inc.86800UAB0NOTE 3.500% 3/0138,601,000$110.5M1.6%−14,500,000−9.5%Reduced–
Centrus Energy Corp15643UAE4NOTE 2.250%11/0–$92.5M1.3%–––
LBRDKLiberty Broadband CorpCOM SER C1,477,741$74.3M1.1%+1,000+0.1%AddedHistory
Rivian Automotive, Inc.76954AAD5NOTE 3.625%10/1–$74.0M1.0%–––
Strategy Inc594972AS0NOTE 12/0–$71.8M1.0%–––
JetBlue Airways Corp477143AR2NOTE 2.500% 9/0–$69.6M1.0%–––
Upstart Hldgs Inc91680MAD9NOTE 2.000%10/0–$63.3M0.9%–––
MARA Holdings, Inc.565788AF3NOTE 3/0–$61.6M0.9%–––
VALValaris LtdCL A583,937$57.2M0.8%+583,937NewHistory
TERNTerns Pharmaceuticals, Inc.COM1,000,001$52.7M0.7%+1,000,001NewHistory
TFPMTriple Flag Precious Metals Corp.Stock1,518,950$52.7M0.7%−7,680−0.5%ReducedHistory
Encore Cap Group Inc292554AP7NOTE 4.000% 3/1–$51.3M0.7%–––
MASIMasimo CorpCOM270,001$48.0M0.7%+270,001NewHistory
MARA Holdings, Inc.565788AH9NOTE 6/0–$47.7M0.7%–––
GPORGulfport Energy CorpCOMMON SHARES219,627$46.5M0.7%−5,000−2.2%ReducedHistory
Strategy Inc594972AQ4NOTE 0.625% 9/1–$46.0M0.7%–––
Strategy Inc594972AU5NOTE 3/0–$45.2M0.6%–New–
WBDWarner Bros. Discovery, Inc.Stock1,615,001$44.3M0.6%+1,215,000+303.7%AddedHistory
Upstart Hldgs Inc91680MAF4NOTE 1.000%11/1–$43.0M0.6%–––
MARA Holdings, Inc.565788AD8NOTE 2.125% 9/0–$42.3M0.6%–––
ORCL.PDOracle Corp6.5 DEP CUM SR D900,000$40.5M0.6%+900,000NewHistory
Omeros Corp682143AK8NOTE 9.500% 6/1–$36.4M0.5%–––
Herbalife Ltd.42703MAF0NOTE 4.250% 6/1–$35.0M0.5%–––
Carnival Corp Ltd.14365C103ADR1,300,036$33.5M0.5%+1,300,036New–
Wolfspeed, Inc.977852AP7NOTE 2.500% 6/1–$31.2M0.4%–––
Wayfair Inc.94419LAR2NOTE 3.500%11/1–$31.2M0.4%–––
Cleanspark, Inc.18452BAC4NOTE 6/1–$27.6M0.4%–––
HEI.AHeico CorpCL A124,737$26.3M0.4%00.0%UnchangedHistory
Sunrun Inc.86771WAD7NOTE 4.000% 3/0–$24.6M0.3%–––
CHRDChord Energy CorpCOM NEW159,476$22.7M0.3%−15,000−8.6%ReducedHistory
IREN Ltd46270CAB5NOTE 3.250% 6/1–$22.1M0.3%–––
LITELumentum Holdings Inc.COM30,773$21.6M0.3%+30,773NewHistory
AMC Networks Inc00164VAJ2NOTE 4.250% 2/1–$21.0M0.3%–––
Fluence Energy, Inc.34379VAB9NOTE 2.250% 6/1–$20.1M0.3%–New–
SMSM Energy CoCOM602,301$18.8M0.3%+602,301NewHistory
PTC Therapeutics, Inc.69366JAD3NOTE 1.500% 9/1–$17.7M0.2%–––
BLCOBausch & Lomb CorpCOMMON SHARES1,101,854$17.5M0.2%+150,641+15.8%AddedHistory
LBRDALiberty Broadband CorpCOM SER A348,076$17.5M0.2%00.0%UnchangedHistory
GRFSGrifols SASP ADR REP B NVT2,067,798$16.6M0.2%−553,670−21.1%ReducedHistory
Granite Constr Inc387328AF4NOTE 3.250% 6/1–$16.4M0.2%–––
Nabors Inds Inc62957HAL9NOTE 1.750% 6/1–$15.4M0.2%–––
LLYVKLiberty Live Holdings, Inc.COM SHS SER C161,429$15.2M0.2%+161,429NewHistory
DCHDauch CorpCOM2,293,053$13.6M0.2%−950,500−29.3%ReducedHistory
Strategy Inc594972AL5NOTE 0.875% 3/1–$12.1M0.2%–––
Xerox Holdings Corp98421MAE6NOTE 3.750% 3/1–$10.4M0.1%–––
NIO Inc.62914VAK2NOTE 4.625%10/1–$9.89M0.1%–––
FOXFox CorpCL B COM175,248$9.31M0.1%−343,180−66.2%ReducedHistory
CYHCommunity Health Systems IncCOM3,127,884$9.20M0.1%+926,364+42.1%AddedHistory
Hertz Corp428040DE6NOTE 8.000% 7/1–$9.05M0.1%–––
PPLIPeople IncCOM NEW217,383$8.70M0.1%+90,819+71.8%AddedHistory
CSTMConstellium SECL A SHS346,660$8.52M0.1%−153,000−30.6%ReducedHistory
VNMEVendome Acquisition Corp ICOM CL A825,000$8.32M0.1%00.0%UnchangedHistory
TACHTitan Acquisition Corp.CL A800,000$8.23M0.1%00.0%UnchangedHistory
GIWGigCapital8 Corp.COM800,000$7.98M0.1%00.0%UnchangedHistory
IACOUIdea Acquisition Corp.UNIT 01/06/2031797,378$7.90M0.1%+797,378NewHistory
FERAFifth Era Acquisition Corp IORD SHS CL A750,000$7.72M0.1%00.0%UnchangedHistory
HAVAHarvard Ave Acquisition CorpUSD CL A ORD SHS750,000$7.51M0.1%+750,000NewHistory
Upstart Hldgs Inc91680MAB3NOTE 0.250% 8/1–$7.45M0.1%–––
UPWheels Up Experience Inc.COM CL A23,832,927$7.39M0.1%00.0%UnchangedHistory
Semtech Corp816850AF8NOTE 1.625%11/0–$7.37M0.1%–––
UAAUnder Armour, Inc.Stock1,186,792$7.01M0.1%−114,573−8.8%ReducedHistory
PONOUPono Capital Four, Inc.UNIT 03/11/2031700,000$6.99M0.1%+700,000NewHistory
MGMMGM Resorts InternationalStock186,869$6.92M0.1%−99,181−34.7%ReducedHistory
XCBEX3 Acquisition Corp. Ltd.ORD SHS CL A700,000$6.89M0.1%+700,000NewHistory
SZZLSizzle Acquisition Corp. IIUSD CL A ORD SHS650,000$6.68M0.1%00.0%UnchangedHistory
SOULSoulpower Acquisition Corp.USD CL A ORD SHS650,000$6.66M0.1%00.0%UnchangedHistory
BCARD. Boral ARC Acquisition I Corp.SHS CL A650,000$6.58M0.1%00.0%UnchangedHistory
Groupon, Inc.399473AH0NOTE 6.250% 3/1–$6.30M0.1%–––
Solaris Energy Infras Inc83419XAB4NOTE 0.250%10/0–$6.24M0.1%–––
WENNWEN Acquisition CorpCOM600,000$6.11M0.1%00.0%UnchangedHistory
HDRNHadron Energy, Inc.ORD SHS CL A550,000$5.86M0.1%00.0%UnchangedHistory
GTGoodyear Tire & Rubber CoCOM871,089$5.78M0.1%+130,000+17.5%AddedHistory
Factorial Energy Inc.G19307100COM CL A550,000$5.64M0.1%00.0%Unchanged–
ACIAlbertsons Companies, Inc.COMMON STOCK326,582$5.56M0.1%−18,000−5.2%ReducedHistory
BEPBrookfield Renewable Partners L.P.PARTNERSHIP UNIT170,000$5.55M0.1%00.0%UnchangedHistory
AACIUArmada Acquisition Corp. IIIUNIT 02/13/2031550,000$5.48M0.1%+550,000NewHistory
SIMASIM Acquisition Corp. ISHS CL A500,000$5.36M0.1%00.0%UnchangedHistory
Real Asset Acquisition Corp.G73944103SHS CL A500,000$5.25M0.1%00.0%Unchanged–
NPACNew Providence Acquisition Corp. III/CaymanCOM500,000$5.13M0.1%00.0%UnchangedHistory
SVCService Properties TrustCOM SH BEN INT3,772,799$5.11M0.1%−300,000−7.4%ReducedHistory
Kosmos Energy Ltd.500688AH9NOTE 3.125% 3/1–$5.07M0.1%–––
YCYAA Mission Acquisition Corp. IIORD SHS CL A500,000$5.04M0.1%00.0%UnchangedHistory
RNGTRange Capital Acquisition Corp IICL A ORD SHS500,000$5.00M0.1%00.0%UnchangedHistory
DBCAD. Boral Acquisition I Corp.ORD SHS CL A500,000$4.93M0.1%+500,000NewHistory
On Semiconductor Corp682189AU9NOTE 0.500% 3/0–$4.89M0.1%–New–

Options (22)

Puts and calls in the same filing. Amounts are the market value of the underlying shares, which is what 13F reports.

Option positions of Whitebox Advisors LLC in Q1 2026
SecurityClassPutsCalls
SPYSPDR S&P 500 ETF TrustETF$325.2M–
iShares Russell 2000 ETF464287655ETF$186.0M–
NVDANVIDIA CorpStock$139.5M–
SMCISuper Micro Computer, Inc.Stock$104.7M–
TSMTaiwan Semiconductor Manufacturing Co LtdADR$67.6M–
IBITiShares Bitcoin Trust ETFETF$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 IncCOM$8.29M–
JBLUJetBlue Airways CorpCOM–$7.74M
HTZHertz Global Holdings, IncCOM NEW$6.78M–
RIGTransocean Ltd.REGISTERED SHS$6.63M–
SRPTSarepta Therapeutics, Inc.COM$4.67M–
BTDRBitdeer Technologies GroupCL A ORD SHS$3.40M–
XRXXerox Holdings CorpCOM NEW$2.58M–
SABRSabre CorpCOM–$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.

Positions of Whitebox Advisors LLC sold out since Q4 2025
SecurityClassShares in Q4 2025Value in Q4 2025% of portfolio in Q4 2025History
CADECadence BancorporationEQUITY US CM3,000,001$128.5M2.1%History
CMAComerica IncCOM1,250,001$108.7M1.8%History
Cyberark Software LtdM2682V108SHS171,001$76.3M1.3%–
Coinbase Global, Inc.19260QAB3NOTE 0.500% 6/0–$60.9M1.0%–
Freshpet, Inc.358039AB1NOTE 3.000% 4/0–$36.7M0.6%–
CFLTConfluent, Inc.CLASS A COM1,054,747$31.9M0.5%History
EXASExact Sciences CorpCOM307,001$31.2M0.5%History
CDTXCidara Therapeutics, Inc.COM NEW125,001$27.6M0.5%History
WisdomTree, Inc.97717PAH7NOTE 3.250% 8/1–$24.0M0.4%–
Collegium Pharmaceutical, Inc19459JAC8NOTE 2.875% 2/1–$15.1M0.3%–
On Semiconductor Corp682189AS4NOTE 5/0–$14.9M0.2%–
Tyler Tex Indpt SCH Dist902252AB1NOTE 0.250% 3/1–$12.5M0.2%–
Pinnacle West Cap Corp723484AK7NOTE 4.750% 6/1–$12.0M0.2%–
CIVICivitas Resources, Inc.EQUITY US CM427,887$11.6M0.2%History
ZTSZoetis Inc.Stock74,223$9.34M0.2%History
Two HBRS Invt Corp90187BAB7NOTE 6.250% 1/1–$9.23M0.2%–
RYAAYRyanair Holdings PLCSPONSORED ADR116,658$8.42M0.1%History
GLIBKLiberty Capital CorpSER C GCI GROUP213,031$7.93M0.1%History
HAVAUHarvard Ave Acquisition CorpUNIT 10/03/2030750,000$7.57M0.1%History
CHKPCheck Point Software Technologies LtdORD36,630$6.80M0.1%History
Li Auto Inc.50202MAB8NOTE 0.250% 5/0–$5.54M0.1%–
TGNATegna IncCOM281,537$5.46M0.1%History
PureCycle Technologies, Inc.74623VAB9NOTE 7.250% 8/1–$5.41M0.1%–
HOUSAnywhere Real Estate Inc.COM347,880$4.93M0.1%History
AA Mission Acquisition Corp.G1000R101ORD SHS CL A450,000$4.80M0.1%–
iShares Inc464286640MSCI CHILE ETF113,456$4.58M0.1%–
TGE Value Creative Solutions CorpG8773E126UNIT 99/99/9999450,000$4.47M0.1%–
Gossamer Bio, Inc.38341PAA0NOTE 5.000% 6/0–$4.39M0.1%–
MMTXUMiluna Acquisition CorpUNIT 09/29/2030400,000$4.00M0.1%History
IRHOUIron Horse Acquisition II Corp.UNIT 07/11/2030350,000$3.48M0.1%History
DMBBNY Mellon Municipal Bond Infrastructure Fund, Inc.COM SHS310,458$3.41M0.1%History
FTWPresidio Production CoCL A ORD SHS300,000$3.15M0.1%History
EVOXUEvolution Global Acquisition CorpUNIT 10/22/2030300,000$3.02M0.1%History
VHCPUVine Hill Capital Investment Corp. IIUNIT 11/25/2030300,000$3.01M0.1%History
GPACUGeneral Purpose Acquisition Corp.UNIT 12/03/2030300,000$3.00M0.1%History
LPCVULaunchpad Cadenza Acquisition Corp IUNIT 12/15/2030300,000$2.99M<0.1%History
ADACUAmerican Drive Acquisition CoUNIT 12/04/2030300,000$2.99M<0.1%History
SVAQUSilicon Valley Acquisition Corp.UNIT 12/08/2030300,000$2.98M<0.1%History
Cardlytics, Inc.14161WAD7NOTE 4.250% 4/0–$2.89M<0.1%–
Safeguard Acquisition Corp.G77676123UNIT 99/99/9999250,000$2.52M<0.1%–
CRANUCrane Harbor Acquisition Corp. IIUNIT 12/09/2030217,635$2.19M<0.1%History
BLRKUBluerock Acquisition Corp.UNIT 11/06/2030218,525$2.19M<0.1%History
Crane HBR Acquisition CorpG24979109CL A200,000$2.15M<0.1%–
TBNTamboran Resources CorpCOM78,832$2.15M<0.1%History
SCPQUSocial Commerce Partners CorpUNIT 11/24/2030214,400$2.14M<0.1%History
SilverBox Corp VG8148S123UNIT 99/99/9999206,900$2.08M<0.1%–
Alussa Energy Acquisition Corp.G0233J126UNIT 99/99/9999200,000$2.02M<0.1%–
BPACUBlueport Acquisition LtdUNIT 10/22/2030200,000$2.02M<0.1%History
DSACUDaedalus Special Acquisition Corp.UNIT 11/10/2030200,000$2.01M<0.1%History
MESHUMeshflow Acquisition CorpUNIT 11/19/2030200,000$2.00M<0.1%History
AEAQUActivate Energy Acquisition Corp.UNIT 11/10/2030200,000$2.00M<0.1%History
BIXIUBitcoin Infrastructure Acquisition Corp LtdUNIT 11/06/2030200,000$1.99M<0.1%History
VCICOdysseus (Cayman) LtdORD SHS CL A150,000$1.62M<0.1%History
Voyager Acquisition CorpG93A7H104CL A150,000$1.60M<0.1%–
COLAColumbus Acquisition Corp/Cayman IslandsSHS150,000$1.56M<0.1%History
GLIBALiberty Capital CorpSER A GCI GROUP41,785$1.54M<0.1%History
Pelican Acquisition CorpG6993G103SHS150,000$1.52M<0.1%–
HCACUHall Chadwick Acquisition CorpUNIT 11/20/2030150,000$1.50M<0.1%History
TWLVUTwelve Seas Investment Co III/CaymanUNIT 11/21/2030150,000$1.49M<0.1%History
BlackRock New York Municipal Income Trust09248L106SH BEN INT145,147$1.47M<0.1%–
CAPNCayson Acquisition CorpSHS125,000$1.33M<0.1%History
RIBBRibbon Acquisition Corp.ORD SHS CL A125,000$1.30M<0.1%History
MHNBlackRock Muniholdings New York Quality Fund, Inc.COM121,671$1.24M<0.1%History
CCXIUChurchill Capital Corp XIUNIT 12/10/2030100,000$1.02M<0.1%History
iShares Tr464289842MSCI PERU GL ETF14,063$1.02M<0.1%–
SCIIUSC II Acquisition Corp.UNIT 11/06/2030100,000$1.01M<0.1%History
ITHAUITHAX Acquisition Corp IIIUNIT 11/17/2030100,000$997.5K<0.1%History
LFACULeapfrog Acquisition CorpUNIT 11/10/203075,000$750.4K<0.1%History
BYNDBeyond Meat, Inc.COM855,600$701.6K<0.1%History
Osisko Development Corp68828E809COM NEW166,074$579.6K<0.1%–
PSKYParamount Skydance CorpCOM CL B43,067$577.1K<0.1%History
PNWPinnacle West Capital CorpCOM5,974$529.9K<0.1%History
NEXMNexMetals Mining Corp.COM NEW254,377$496.1K<0.1%History
MUEBlackRock Muniholdings Quality Fund II, Inc.COM46,481$466.2K<0.1%History
New Amer Acquisition I Corp023634207UNIT 99/99/999935,000$364.4K<0.1%–
NFENew Fortress Energy Inc.COM CL A200,000$228.0K<0.1%History
SWSmurfit Westrock plcStock5,348$206.8K<0.1%History
RIGTransocean Ltd.REGISTERED SHS50,000$206.5K<0.1%History
Crane HBR Acquisition CorpG24979117RIGHT 04/17/2030225,000$180.0K<0.1%–
AA Mission Acquisition Corp.G1000R127*W EXP 08/01/203475,000$80.6K<0.1%–
Eqv Ventures Acquisition CorG3106N117*W EXP 07/01/20399,997$48.0K<0.1%–
RZLVWRezolve AI PLC*W EXP 08/15/20246,500$42.3K<0.1%History
Pelican Acquisition CorpG6993G111RIGHT 05/02/2030150,000$34.5K<0.1%–
Oak Woods Acquisition Corp67190B120RIGHT 03/23/202868,000$17.0K<0.1%–
Oak Woods Acquisition Corp67190B112*W EXP 03/23/20268,000$2.70K<0.1%–
ECD Automotive Design, Inc.27877D112*W EXP 12/12/20290,000$936<0.1%–