CIK: 0001257391
Total reported value
$8.1B
Reporting period: 2026-03-31 · Number of holdings: 568
WHITEBOX ADVISORS LLC disclosed 568 holdings in its latest 13F filing for the period ending 2026-03-31, with total reported value of $8.1B and a quarterly turnover rate of 56.5%.
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Whitebox Advisors LLC's disclosed holdings carry a Herfindahl concentration index of 0.052 — mathematically equivalent to about 19 equally-sized positions, well below its 568 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 5.30), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Add WDC 3 11-15-28
0.0% $526.2M
Add LITE 1.5 12-15-29
0.0% $338.9M
Add ECHO 3.875 11-30-30
+86.0% $181.6M
Trim IBIT
-50.0% -$91.3M
Trim NVDA
-20.0% -$47.0M
Add LITE 0.5 12-15-26
-10.3% $94.2M
Showing top 200 holdings (of 568 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | WDC 3 11-15-28 | Western Digital CORP | Stock-Tech | 18.01% | +4.72% | — | |
| 2 | LITE 1.5 12-15-29 | Lumentum Holdings INC | Stock-Tech | 8.81% | +3.46% | — | |
| 3 | ECHO 3.875 11-30-30 | Echostar CORP | Stock-Comm Services | 4.49% | +1.89% | +86.03% | |
| 4 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 4.00% | -0.35% | +11.11% | |
| 5 | LITE 0.5 12-15-26 | Lumentum Holdings INC | Stock-Tech | 2.79% | +0.91% | -10.29% | |
| 6 | BABA 0.5 06-01-31 | Alibaba Group Holding | Stock-Consumer Disc | 2.73% | — | +6.67% | |
| 7 | SPHR 3.5 12-01-28 | Sphere Entertainment Co | Stock-Comm Services | 2.67% | +0.08% | -3.17% | |
| 8 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 2.29% | +2.29% | NEW | |
| 9 | SNOW 0 10-01-29 | Snowflake INC | Stock-Tech | 2.15% | -0.60% | +13.97% | |
| 10 | SNOW 0 10-01-27 | Snowflake INC | Stock-Tech | 2.00% | -0.84% | +1.85% | |
| 11 | APLD 2.75 06-01-30 | Applied Digital CORP | Stock-Tech | 1.98% | — | — | |
| 12 | GTLS | Chart Industries INC | Stock-Industrials | 1.93% | +0.29% | +35.52% | |
| 13 | PEN | Penumbra INC | Stock-Healthcare | 1.80% | +1.80% | NEW | |
| 14 | NVDA | Nvidia CORP | Stock-Tech | 1.72% | -0.93% | -20.00% | |
| 15 | TCOM 0.75 06-15-29 | Trip.com Group LTD | Stock-Consumer Disc | 1.68% | — | +11.80% | |
| 16 | WBS | Webster Financial CORP | Stock-Financials | 1.64% | +1.64% | NEW | |
| 17 | MSTR 2.25 06-15-32 | Strategy INC | Stock-Tech | 1.41% | — | +0.45% | |
| 18 | COIN 0.25 04-01-30 | Coinbase Global INC | Stock-Financials | 1.37% | +0.06% | +33.78% | |
| 19 | SMCI | Super Micro Computer INC | Stock-Tech | 1.29% | +0.42% | +119.05% | |
| 20 | LEU 2.25 11-01-30 | Centrus Energy CORP | Stock-Energy | 1.14% | -0.59% | — | |
| 21 | 430 | Terns Pharmaceuticals INC | Stock-Other | 0.97% | +0.97% | NEW | |
| 22 | WBD | Warner Bros Discovery INC | Stock-Comm Services | 0.92% | +0.61% | +262.00% | |
| 23 | LBRDK | Liberty Broadband-c | Stock-Comm Services | 0.91% | — | +0.07% | |
| 24 | RIVN 3.625 10-15-30 | Rivian Auto INC | Stock-Consumer Disc | 0.91% | — | +19.31% | |
| 25 | MSTR 0 12-01-29 | Strategy INC | Stock-Tech | 0.88% | — | +6.17% | |
| 26 | JBLU 2.5 09-01-29 | Jetblue Airways CORP | Stock-Industrials | 0.86% | — | -14.93% | |
| 27 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 0.83% | — | — | |
| 28 | UPST 2 10-01-29 | Upstart Holdings INC | Stock-Financials | 0.78% | -0.47% | -7.29% | |
| 29 | MARA 0 03-01-30 | Mara Holdings INC | Stock-Financials | 0.76% | — | — | |
| 30 | IBIT | Ishares Bitcoin Trust ETF | ETF-Crypto | 0.71% | -1.40% | -50.00% | |
| 31 | VAL | Valaris Limited | Stock-Energy | 0.70% | +0.70% | NEW | |
| 32 | TFPM | Triple Flag Precious Met | Stock-Materials | 0.65% | — | -0.50% | |
| 33 | NBIS | Nebius Group NV | Stock-Other | 0.64% | +0.64% | NEW | |
| 34 | ECPG 4 03-15-29 | Encore Capital Group INC | Stock-Other | 0.63% | — | -14.21% | |
| 35 | AAPL | Apple INC | Stock-Tech | 0.62% | +0.62% | NEW | |
| 36 | MASI* | Masimo CORP | Stock-Other | 0.59% | +0.59% | NEW | |
| 37 | MARA 0 06-01-31 | Mara Holdings INC | Stock-Financials | 0.59% | — | -29.73% | |
| 38 | GPOR | Gulfport Energy CORP | Stock-Other | 0.57% | — | -2.23% | |
| 39 | MSTR 0.625 09-15-28 | Strategy INC | Stock-Tech | 0.57% | — | +13.51% | |
| 40 | MSTR 0 03-01-30 | Strategy INC | Stock-Tech | 0.56% | +0.56% | NEW | |
| 41 | MARA | Mara Holdings INC | Stock-Financials | 0.54% | — | +38.77% | |
| 42 | UPST 1 11-15-30 | Upstart Holdings INC | Stock-Financials | 0.53% | — | — | |
| 43 | MARA 2.125 09-01-31 | Mara Holdings INC | Stock-Financials | 0.52% | — | +19.07% | |
| 44 | ORCL 6.5 01-15-29 D | Oracle CORP | Stock-Tech | 0.50% | +0.50% | NEW | |
| 45 | OMER 9.5 06-15-29 | Omeros CORP | Stock-Other | 0.45% | — | — | |
| 46 | HLF 4.25 06-15-28 | Herbalife LTD | Stock-Other | 0.43% | — | -9.28% | |
| 47 | POH3 | Carnival Plc-adr | Stock-Other | 0.41% | +0.41% | NEW | |
| 48 | WOLF 2.5 06-15-31 | Wolfspeed INC | Stock-Other | 0.38% | — | +3.23% | |
| 49 | W 3.5 11-15-28 | Wayfair INC | Stock-Consumer Disc | 0.38% | -0.55% | -37.30% | |
| 50 | TSLA | Tesla INC | Stock-Consumer Disc | 0.34% | +0.34% | NEW |
Performance for Q3 2026
—
Performance Last 4 Quarters
—
Based on 0 months of available history
Based on 21% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings |
|---|---|---|---|---|
| 2026-03-31 | 568 | $8.1B | 56 | |
| 2025-12-31 | 492 | $7.0B | 73 | |
| 2025-09-30 | 427 | $6.5B | 99 | |
| 2025-06-30 | 382 | $4.7B | 0 | |
| 2025-03-31 | 312 | $3.9B | 100 | |
| 2024-12-31 | 270 | $3.5B | 0 | |
| 2024-09-30 | 321 | $3.7B | 0 | |
| 2024-06-30 | 349 | $3.5B | 0 | |
| 2024-03-31 | 340 | $4.0B | 0 | |
| 2023-12-31 | 332 | $3.6B | 0 | |
| 2023-09-30 | 385 | $3.2B | 0 | |
| 2023-06-30 | 438 | $3.7B | 0 | |
| 2023-03-31 | 569 | $2.9B | 0 | |
| 2022-12-31 | 771 | $3.6B | 0 | |
| 2022-09-30 | 949 | $3.6B | 0 | |
| 2022-06-30 | 913 | $3.2B | 0 | |
| 2022-03-31 | 941 | $5.0B | 0 | |
| 2021-12-31 | 819 | $4.9B | 0 | |
| 2021-09-30 | 645 | $4.8B | 0 | |
| 2021-06-30 | 538 | $4.9B | 91 | |
| 2021-03-31 | 381 | $3.1B | 84 | |
| 2020-12-31 | 149 | $3.2B | 65 | |
| 2020-09-30 | 95 | $2.4B | 83 | |
| 2020-06-30 | 72 | $1.8B | 94 | |
| 2020-03-31 | 79 | $2.0B | 84 | |
| 2019-12-31 | 89 | $3.0B | 54 | |
| 2019-09-30 | 97 | $2.8B | 69 | |
| 2019-06-30 | 98 | $2.8B | 63 | |
| 2019-03-31 | 89 | $3.3B | 75 | |
| 2018-12-31 | 96 | $2.2B | 80 | |
| 2018-09-30 | 99 | $3.3B | 41 | |
| 2018-06-30 | 99 | $3.1B | 36 | |
| 2018-03-31 | 92 | $3.4B | 27 | |
| 2017-12-31 | 91 | $3.6B | 44 | |
| 2017-09-30 | 93 | $3.4B | 64 | |
| 2017-06-30 | 91 | $2.5B | 99 | |
| 2017-03-31 | 75 | $2.6B | 68 | |
| 2016-12-31 | 76 | $2.5B | 75 | |
| 2016-09-30 | 79 | $2.4B | 72 | |
| 2016-06-30 | 90 | $3.8B | 59 | |
| 2016-03-31 | 88 | $3.4B | 43 | |
| 2015-12-31 | 167 | $3.7B | 100 | |
| 2015-09-30 | 334 | $2.2B | 61 | |
| 2015-06-30 | 349 | $2.3B | 61 | |
| 2015-03-31 | 347 | $2.6B | 62 | |
| 2014-12-31 | 368 | $2.5B | 60 | |
| 2014-09-30 | 386 | $2.6B | 62 | |
| 2014-06-30 | 377 | $2.5B | 69 | |
| 2014-03-31 | 401 | $2.3B | 74 | |
| 2013-12-31 | 379 | $2.3B | 63 | |
| 2013-09-30 | 346 | $1.9B | 72 | |
| 2013-06-30 | 363 | $1.9B | 0 |
Whitebox Advisors LLC's most significant position changes for 2026-03-31: New buy: Ishares Russell 2000 ETF (IWM); New buy: Penumbra INC (PEN); New buy: Webster Financial CORP (WBS); Sold out: Cadence Bank (CADE); Sold out: Comerica INC (CMA).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | WDC 3 11-15-28 | Western Digital CORP | +4.7% | — | Unchanged |
| 2 | LITE 1.5 12-15-29 | Lumentum Holdings INC | +3.5% | — | Unchanged |
| 3 | ECHO 3.875 11-30-30 | Echostar CORP | +1.9% | +86.03% | Add |
| 4 | LITE 0.5 12-15-26 | Lumentum Holdings INC | +0.9% | -10.29% | Trim |
| 5 | WBD | Warner Bros Discovery INC | +0.6% | +262.00% | Add |
| 6 | SMCI | Super Micro Computer INC | +0.4% | +119.05% | Add |
| 7 | GTLS | Chart Industries INC | +0.3% | +35.52% | Add |
| 8 | SPHR 3.5 12-01-28 | Sphere Entertainment Co | +0.1% | -3.17% | Trim |
| 9 | COIN 0.25 04-01-30 | Coinbase Global INC | +0.1% | +33.78% | Add |
| 10 | CLSK 0 06-15-30 | Cleanspark INC | -0.3% | -36.56% | Trim |
| 11 | SPY | Ss Spdr S&p 500 ETF Trust-us | -0.4% | +11.11% | Add |
| 12 | FOX | Fox CORP - Class B | -0.4% | -66.20% | Trim |
| 13 | UPST 2 10-01-29 | Upstart Holdings INC | -0.5% | -7.29% | Trim |
| 14 | W 3.5 11-15-28 | Wayfair INC | -0.6% | -37.30% | Trim |
| 15 | LEU 2.25 11-01-30 | Centrus Energy CORP | -0.6% | — | Unchanged |
| 16 | SNOW 0 10-01-29 | Snowflake INC | -0.6% | +13.97% | Add |
| 17 | SNOW 0 10-01-27 | Snowflake INC | -0.8% | +1.85% | Add |
| 18 | NVDA | Nvidia CORP | -0.9% | -20.00% | Trim |
| 19 | IBIT | Ishares Bitcoin Trust ETF | -1.4% | -50.00% | Trim |
| 20 | IWM | Ishares Russell 2000 ETF | — | NEW | New buy |
| 21 | PEN | Penumbra INC | — | NEW | New buy |
| 22 | WBS | Webster Financial CORP | — | NEW | New buy |
| 23 | CADE | Cadence Bank | — | EXIT | Sold out |
| 24 | CMA | Comerica INC | — | EXIT | Sold out |
| 25 | WOLF | Wolfspeed INC | — | EXIT | Sold out |
| 26 | 430 | Terns Pharmaceuticals INC | — | NEW | New buy |
| 27 | ✓ | Cyberark Software LTD | — | EXIT | Sold out |
| 28 | OIH | Vaneck Oil Services ETF | — | EXIT | Sold out |
| 29 | COIN 0.5 06-01-26 | Coinbase Global INC | — | EXIT | Sold out |
| 30 | VAL | Valaris Limited | — | NEW | New buy |
| 31 | NBIS | Nebius Group NV | — | NEW | New buy |
| 32 | AAPL | Apple INC | — | NEW | New buy |
| 33 | MASI* | Masimo CORP | — | NEW | New buy |
| 34 | MSTR 0 03-01-30 | Strategy INC | — | NEW | New buy |
| 35 | ORCL 6.5 01-15-29 D | Oracle CORP | — | NEW | New buy |
| 36 | FRPT 3 04-01-28 | Freshpet INC | — | EXIT | Sold out |
| 37 | PLTR | Palantir Technologies Inc-a | — | EXIT | Sold out |
| 38 | POH3 | Carnival Plc-adr | — | NEW | New buy |
| 39 | 8QR | Confluent Inc-class A | — | EXIT | Sold out |
| 40 | EXK | Exact Sciences CORP | — | EXIT | Sold out |
| 41 | RIVN | Rivian Automotive Inc-a | — | EXIT | Sold out |
| 42 | TSLA | Tesla INC | — | NEW | New buy |
| 43 | CDTX | Cidara Therapeutics INC | — | EXIT | Sold out |
| 44 | KKR | Kkr & Co INC | — | EXIT | Sold out |
| 45 | XOP | Ss Spdr S&p Og Exp & Prod | — | EXIT | Sold out |
| 46 | WT 3.25 08-15-29 | Wisdomtree INC | — | EXIT | Sold out |
| 47 | LITE | Lumentum Holdings INC | — | NEW | New buy |
| 48 | FLNC 2.25 06-15-30 | Fluence Energy INC | — | NEW | New buy |
| 49 | SM | Sm Energy Co | — | NEW | New buy |
| 50 | RUN | Sunrun INC | — | EXIT | Sold out |
| Period | Filed | Type | EDGAR |
|---|---|---|---|
| 2026-03-31 | 2026-05-15 | 13F-HR | View on EDGAR |
| 2025-12-31 | 2026-02-17 | 13F-HR | View on EDGAR |
| 2025-09-30 | 2025-11-14 | 13F-HR | View on EDGAR |
| 2025-06-30 | 2025-08-14 | 13F-HR | View on EDGAR |
| 2025-03-31 | 2025-05-15 | 13F-HR | View on EDGAR |
| 2024-12-31 | 2025-02-14 | 13F-HR | View on EDGAR |
| 2024-09-30 | 2024-11-14 | 13F-HR | View on EDGAR |
| 2024-06-30 | 2024-08-14 | 13F-HR | View on EDGAR |
| 2024-03-31 | 2024-05-15 | 13F-HR | View on EDGAR |
| 2023-12-31 | 2024-02-14 | 13F-HR | View on EDGAR |
| 2023-09-30 | 2023-11-14 | 13F-HR | View on EDGAR |
| 2023-06-30 | 2023-08-14 | 13F-HR | View on EDGAR |
| 2023-03-31 | 2023-05-15 | 13F-HR | View on EDGAR |
| 2022-12-31 | 2023-02-14 | 13F-HR | View on EDGAR |
| 2022-09-30 | 2022-11-14 | 13F-HR | View on EDGAR |
| 2022-06-30 | 2022-08-15 | 13F-HR | View on EDGAR |
| 2022-03-31 | 2022-05-16 | 13F-HR | View on EDGAR |
| 2021-12-31 | 2022-02-14 | 13F-HR | View on EDGAR |
| 2021-09-30 | 2021-11-15 | 13F-HR | View on EDGAR |
| 2021-06-30 | 2021-08-16 | 13F-HR | View on EDGAR |
| 2021-03-31 | 2021-05-14 | 13F-HR | View on EDGAR |
| 2020-12-31 | 2021-02-16 | 13F-HR | View on EDGAR |
| 2020-09-30 | 2020-11-13 | 13F-HR | View on EDGAR |
| 2020-06-30 | 2020-08-14 | 13F-HR | View on EDGAR |
| 2020-03-31 | 2020-05-15 | 13F-HR | View on EDGAR |
| 2019-12-31 | 2020-02-14 | 13F-HR | View on EDGAR |
| 2019-09-30 | 2019-11-14 | 13F-HR | View on EDGAR |
| 2019-06-30 | 2019-08-14 | 13F-HR | View on EDGAR |
| 2019-03-31 | 2019-05-15 | 13F-HR | View on EDGAR |
| 2018-12-31 | 2019-02-14 | 13F-HR | View on EDGAR |
| 2018-09-30 | 2018-11-14 | 13F-HR | View on EDGAR |
| 2018-06-30 | 2018-08-14 | 13F-HR | View on EDGAR |
| 2018-03-31 | 2018-05-15 | 13F-HR | View on EDGAR |
| 2017-12-31 | 2018-02-14 | 13F-HR | View on EDGAR |
| 2017-09-30 | 2017-11-14 | 13F-HR | View on EDGAR |
| 2017-06-30 | 2017-08-14 | 13F-HR | View on EDGAR |
| 2017-03-31 | 2017-05-15 | 13F-HR | View on EDGAR |
| 2016-12-31 | 2017-01-30 | 13F-HR | View on EDGAR |
| 2016-09-30 | 2016-11-01 | 13F-HR | View on EDGAR |
| 2016-06-30 | 2016-07-27 | 13F-HR | View on EDGAR |
| 2016-03-31 | 2016-05-03 | 13F-HR | View on EDGAR |
| 2015-12-31 | 2016-02-10 | 13F-HR | View on EDGAR |
| 2015-09-30 | 2015-11-12 | 13F-HR | View on EDGAR |
| 2015-06-30 | 2015-08-06 | 13F-HR | View on EDGAR |
| 2015-03-31 | 2015-05-12 | 13F-HR | View on EDGAR |
| 2014-12-31 | 2015-02-12 | 13F-HR | View on EDGAR |
| 2014-09-30 | 2014-11-14 | 13F-HR | View on EDGAR |
| 2014-06-30 | 2014-08-14 | 13F-HR | View on EDGAR |
| 2014-03-31 | 2014-05-14 | 13F-HR | View on EDGAR |
| 2013-12-31 | 2014-02-13 | 13F-HR | View on EDGAR |
| 2013-09-30 | 2013-11-14 | 13F-HR | View on EDGAR |
| 2013-06-30 | 2013-08-14 | 13F-HR | View on EDGAR |
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