Whitebox Advisors Llc
Institutional manager — quarterly 13F holdings, Q ending 2026-03-31
Reported value
$8.12B
Q ending 2026-03-31
Prior quarter
$7.05B
Q ending 2025-12-31
Change
+15.3% QoQ · +109.8% YoY
Positions
568
reported holdings
Largest positions
Top 100 of 568 reported positions by value, Q ending 2026-03-31. A manager can hold shares, calls and puts on the same security at once — such positions are listed as separate rows. Type: Shares = common stock, Put/Call = option positions (valued at the underlying), Principal = debt. Tickers link to stock pages where covered.
| Holding | Ticker | Type | Value ▼ | Shares |
|---|---|---|---|---|
| Western Digital Corp | WDC 3 11/15/28 | Principal | $1.46B | 204.4M |
| Lumentum Hldgs Inc | LITE 1.5 12/15/29 | Principal | $716.1M | 71.0M |
| Echostar Corp | ECHO 3.875 11/30/30 | Principal | $365.1M | 102.2M |
| State Str Spdr S&P 500 Etf T | SPY | Put | $325.2M | 500K |
| Lumentum Hldgs Inc | LITE 0.5 12/15/26 | Principal | $226.9M | 32.1M |
| Alibaba Group Hldg Ltd | BABA 0.5 06/01/31 | Principal | $221.8M | 159.9M |
| Sphere Entertainment Co | SPHR 3.5 12/01/28 | Principal | $216.8M | 64.5M |
| Ishares Tr | IWM | Put | $186.0M | 750K |
| Snowflake Inc | SNOW 0 10/01/29 | Principal | $174.7M | 142.8M |
| Snowflake Inc | SNOW 0 10/01/27 | Principal | $162.3M | 137.4M |
| Applied Digital Corp | APLD 2.75 06/01/30 | Principal | $161.2M | 60.8M |
| Chart Inds Inc | I3N | Shares | $156.9M | 759K |
| Penumbra Inc | PEN | Shares | $146.1M | 445K |
| Nvidia Corporation | NVDA | Put | $139.5M | 800K |
| Trip Com Group Ltd | TCOM 0.75 06/15/29 | Principal | $136.3M | 131.7M |
| Webster Finl Corp | WBS | Shares | $133.6M | 1.9M |
| Strategy Inc | MSTR 2.25 06/15/32 | Principal | $114.2M | 112.0M |
| Coinbase Global Inc | COIN 0.25 04/01/30 | Principal | $111.6M | 120.5M |
| Super Micro Computer Inc | SMCI | Put | $104.7M | 4.6M |
| Centrus Energy Corp | LEU 2.25 11/01/30 | Principal | $92.5M | 45.6M |
| Liberty Broadband Corp | LBRDK | Shares | $74.3M | 1.5M |
| Rivian Automotive Inc | RIVN 3.625 10/15/30 | Principal | $74.0M | 77.2M |
| Strategy Inc | MSTR 0 12/01/29 | Principal | $71.8M | 86.0M |
| Jetblue Airways Corp | JBLU 2.5 09/01/29 | Principal | $69.6M | 72.4M |
| Taiwan Semiconductor Manufac | TSM | Put | $67.6M | 200K |
| Upstart Hldgs Inc | UPST 2 10/01/29 | Principal | $63.3M | 64.9M |
| Mara Holdings Inc | MARA 0 03/01/30 | Principal | $61.6M | 69.8M |
| Ishares Bitcoin Trust Etf | IBIT | Put | $57.6M | 1.5M |
| Valaris Ltd | Shares | $57.2M | 584K | |
| Terns Pharmaceuticals Inc | 430 | Shares | $52.7M | 1.0M |
| Triple Flag Precious Metal | TFPM | Shares | $52.7M | 1.5M |
| Nebius Group N.V. | Put | $51.9M | 500K | |
| Encore Cap Group Inc | ECPG 4 03/15/29 | Principal | $51.3M | 40.8M |
| Apple Inc | AAPL | Put | $50.8M | 200K |
| Masimo Corp | MASI* | Shares | $48.0M | 270K |
| Mara Holdings Inc | MARA 0 06/01/31 | Principal | $47.7M | 52.0M |
| Gulfport Energy Corp | GPOR | Shares | $46.5M | 220K |
| Strategy Inc | MSTR 0.625 09/15/28 | Principal | $46.0M | 42.0M |
| Strategy Inc | MSTR 0 03/01/30 | Principal | $45.2M | 51.8M |
| Warner Bros Discovery Inc | WBD | Shares | $44.3M | 1.6M |
| Upstart Hldgs Inc | UPST 1 11/15/30 | Principal | $43.0M | 60.7M |
| Mara Holdings Inc | MARA 2.125 09/01/31 | Principal | $42.3M | 50.0M |
| Oracle Corp | ORCL 6.5 01/15/29 D | Shares | $40.5M | 900K |
| Omeros Corp | OMER 9.5 06/15/29 | Principal | $36.4M | 18.0M |
| Mara Holdings Inc | MARA | Put | $35.7M | 4.4M |
| Herbalife Ltd | HLF 4.25 06/15/28 | Principal | $35.0M | 29.3M |
| Carnival Plc | CUKN | Shares | $33.5M | 1.3M |
| Wolfspeed Inc | WOLF 2.5 06/15/31 | Principal | $31.2M | 21.5M |
| Wayfair Inc | W 3.5 11/15/28 | Principal | $31.2M | 17.9M |
| Warner Bros Discovery Inc | WBD | Put | $30.2M | 1.1M |
| Tesla Inc | TSLA | Put | $27.9M | 75K |
| Cleanspark Inc | CLSK 0 06/15/30 | Principal | $27.6M | 28.6M |
| Terns Pharmaceuticals Inc | 430 | Put | $26.4M | 500K |
| Heico Corp New | HEI/A | Shares | $26.3M | 125K |
| Sunrun Inc | RUN 4 03/01/30 | Principal | $24.6M | 20.6M |
| Lumen Technologies Inc | LUMN | Put | $24.3M | 3.5M |
| Chord Energy Corporation | CHRD | Shares | $22.7M | 159K |
| Iren Limited | IREN 3.25 06/15/30 | Principal | $22.1M | 9.8M |
| Lumentum Hldgs Inc | LITE | Shares | $21.6M | 31K |
| Amc Networks Inc | AMCX 4.25 02/15/29 * | Principal | $21.0M | 23.7M |
| Fluence Energy Inc | FLNC 2.25 06/15/30 | Principal | $20.1M | 20.0M |
| Sm Energy Company | SM | Shares | $18.8M | 602K |
| Ptc Therapeutics Inc | PTCT 1.5 09/15/26 | Principal | $17.7M | 13.3M |
| Bausch Plus Lomb Corp | BLCO | Shares | $17.5M | 1.1M |
| Liberty Broadband Corp | LBRDA | Shares | $17.5M | 348K |
| Grifols S A | GRFS | Shares | $16.6M | 2.1M |
| Granite Constr Inc | GVA 3.25 06/15/30 | Principal | $16.4M | 10.0M |
| Nabors Inds Inc | NBR 1.75 06/15/29 | Principal | $15.4M | 17.0M |
| Liberty Live Holdings Inc | LLYVK | Shares | $15.2M | 161K |
| Dauch Corp | DCH | Shares | $13.6M | 2.3M |
| Strategy Inc | MSTR 0.875 03/15/31 | Principal | $12.1M | 12.6M |
| Xerox Holdings Corp | XRX 3.75 03/15/30 | Principal | $10.4M | 44.6M |
| Nio Inc | NIO 4.625 10/15/30 | Principal | $9.9M | 10.0M |
| Fox Corp | FOX | Shares | $9.3M | 175K |
| Community Health Sys Inc New | CYH | Shares | $9.2M | 3.1M |
| Hertz Corp | HTZ 8 07/15/29 | Principal | $9.0M | 9.3M |
| Iac Inc | PPLI | Shares | $8.7M | 217K |
| Constellium Se | Shares | $8.5M | 347K | |
| Vendome Acquisition Corp I | Shares | $8.3M | 825K | |
| Medical Properties Trust Inc | MPT | Put | $8.3M | 1.8M |
| Titan Acquisition Corp | Shares | $8.2M | 800K | |
| Mara Holdings Inc | MARA | Call | $8.2M | 1.0M |
| Gigcapital8 Corp | Shares | $8.0M | 800K | |
| Idea Acquisition Corp | Shares | $7.9M | 797K | |
| Jetblue Airways Corp | JBLU | Call | $7.7M | 1.8M |
| Fifth Era Acquisition Corp I | Shares | $7.7M | 750K | |
| Harvard Ave Acquisition Corp | Shares | $7.5M | 750K | |
| Upstart Hldgs Inc | UPST 0.25 08/15/26 | Principal | $7.5M | 7.6M |
| Semtech Corp | SMTC 1.625 11/01/27 | Principal | $7.4M | 3.5M |
| Under Armour Inc | UAA | Shares | $7.0M | 1.2M |
| Pono Cap Four Inc | Shares | $7.0M | 700K | |
| Mgm Resorts International | MGM | Shares | $6.9M | 187K |
| X3 Acquisition Corp Ltd | Shares | $6.9M | 700K | |
| Hertz Global Hldgs Inc | HTZ | Put | $6.8M | 1.5M |
| Sizzle Acquisition Corp. Ii | Shares | $6.7M | 650K | |
| Soulpower Acquisition Corp | Shares | $6.7M | 650K | |
| Transocean Ltd | Put | $6.6M | 1.0M | |
| D. Boral Arc Acq I Corp. | Shares | $6.6M | 650K | |
| Groupon Inc | GRPN 6.25 03/15/27 * | Principal | $6.3M | 6.3M |
| Solaris Energy Infras Inc | SEI 0.25 10/01/31 | Principal | $6.2M | 5.0M |
Values as reported in public regulatory filings (USD); holdings are reported quarterly, up to 45 days after quarter end, and may contain reporting errors. Nothing here is investment advice.