What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
CIK: 0001257391
Total reported value
$7.7B
$7.7B
563 檔
40.5%
The Q1 2026 SEC filing reveals that Whitebox Advisors LLC held a total portfolio value of $7.7B, covering 563 public equity positions.
Whitebox Advisors LLC executed strategic sector rebalancing during Q1 2026, establishing 82 new positions while fully exiting 60 holdings and trimming 26 positions.
In terms of portfolio concentration, the top 5 core holdings (including WDC 3 11-15-28, LITE 1.5 12-15-29, ECHO 3.875 11-30-30) accounted for 40.5% of total reported equity market value during Q1 2026.
Showing top 200 holdings (of 563 total)
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | WDC 3 11-15-28Bond | Western Digital CORP | Bond | 18.01% | -18.01% | EXIT | |
| 2 | LITE 1.5 12-15-29Bond | Lumentum Holdings Inc | Bond | 8.81% | -8.77% | — | |
| 3 | ECHO 3.875 11-30-30Bond | Echostar CORP | Bond | 4.49% | -0.32% | +86.03% | |
| 4 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 4.00% | +0.88% | +11.11% | |
| 5 | LITE 0.5 12-15-26Bond | Lumentum Holdings Inc | Bond | 2.79% | -1.97% | -10.29% | |
| 6 | BABA 0.5 06-01-31Bond | Alibaba Group Holding | Bond | 2.73% | +0.24% | +6.67% | |
| 7 | SPHR 3.5 12-01-28Bond | Sphere Entertainment Co | Bond | 2.67% | +1.24% | -3.17% | |
| 8 | IWM | Ishares Russell 2000 ETF | ETF-Small Cap | 2.29% | -0.33% | — | |
| 9 | SNOW 0 10-01-29Bond | Snowflake Inc | Bond | 2.15% | +1.21% | +13.97% | |
| 10 | SNOW 0 10-01-27Bond | Snowflake Inc | Bond | 2.00% | -0.53% | +1.85% | |
| 11 | APLD 2.75 06-01-30Bond | Applied Digital CORP | Bond | 1.98% | +0.66% | — | |
| 12 | GTLS | Chart Industries Inc | Stock-Industrials | 1.93% | -1.66% | +35.52% | |
| 13 | PEN | Penumbra Inc | Stock-Healthcare | 1.80% | +0.29% | — | |
| 14 | NVDA | Nvidia CORP | Stock-Tech | 1.72% | +0.11% | -20.00% | |
| 15 | TCOM 0.75 06-15-29Bond | Trip.com Group LTD | Bond | 1.68% | -0.24% | +11.80% | |
| 16 | WBS | Webster Financial CORP | Stock-Financials | 1.64% | -0.08% | — | |
| 17 | MSTR 2.25 06-15-32Bond | Strategy Inc | Bond | 1.41% | — | +0.45% | |
| 18 | COIN 0.25 04-01-30Bond | Coinbase Global Inc | Bond | 1.37% | +0.56% | +33.78% | |
| 19 | SMCI | Super Micro Computer Inc | Stock-Tech | 1.29% | +0.28% | +119.05% | |
| 20 | LEU 2.25 11-01-30Bond | Centrus Energy CORP | Bond | 1.14% | +0.04% | — | |
| 21 | 430 | Terns Pharmaceuticals Inc | Stock-Other | 0.97% | -0.97% | EXIT | |
| 22 | WBD | Warner Bros Discovery Inc | Stock-Comm Services | 0.92% | -0.01% | +262.00% | |
| 23 | LBRDK | Liberty Broadband-c | Stock-Comm Services | 0.91% | -0.82% | +0.07% | |
| 24 | RIVN 3.625 10-15-30Bond | Rivian Auto Inc | Bond | 0.91% | +0.17% | +19.31% | |
| 25 | MSTR 0 12-01-29Bond | Strategy Inc | Bond | 0.88% | -0.82% | +6.17% | |
| 26 | JBLU 2.5 09-01-29Bond | Jetblue Airways CORP | Bond | 0.86% | +0.13% | -14.93% | |
| 27 | TSM | Taiwan Semiconductor-sp Adr | Stock-Tech | 0.83% | +0.42% | — | |
| 28 | UPST 2 10-01-29Bond | Upstart Holdings Inc | Bond | 0.78% | -0.16% | -7.29% | |
| 29 | MARA 0 03-01-30Bond | Mara Holdings Inc | Bond | 0.76% | +0.18% | — | |
| 30 | IBIT | Ishares Bitcoin Trust ETF | ETF-Crypto | 0.71% | -0.71% | EXIT | |
| 31 | VAL | Valaris Limited | Stock-Energy | 0.70% | +0.11% | — | |
| 32 | TFPM | Triple Flag Precious Met | Stock-Materials | 0.65% | -0.06% | -0.50% | |
| 33 | NBIS | Nebius Group N.V. | Stock-Other | 0.64% | +1.16% | — | |
| 34 | ECPG 4 03-15-29Bond | Encore Capital Group Inc | Bond | 0.63% | -0.19% | -14.21% | |
| 35 | AAPL | Apple Inc | Stock-Tech | 0.62% | +0.33% | — | |
| 36 | MASI* | Masimo CORP | Stock-Other | 0.59% | -0.59% | EXIT | |
| 37 | MARA 0 06-01-31Bond | Mara Holdings Inc | Bond | 0.59% | -0.06% | -29.73% | |
| 38 | GPOR | Gulfport Energy CORP | Stock-Other | 0.57% | +0.04% | -2.23% | |
| 39 | MSTR 0.625 09-15-28Bond | Strategy Inc | Bond | 0.57% | -0.09% | +13.51% | |
| 40 | MSTR 0 03-01-30Bond | Strategy Inc | Bond | 0.56% | +0.13% | — | |
| 41 | MARA | Mara Holdings Inc | Stock-Financials | 0.54% | +0.04% | +38.77% | |
| 42 | UPST 1 11-15-30Bond | Upstart Holdings Inc | Bond | 0.53% | +0.17% | — | |
| 43 | MARA 2.125 09-01-31Bond | Mara Holdings Inc | Bond | 0.52% | +0.21% | +19.07% | |
| 44 | ORCL 6.5 01-15-29 DBond | Oracle CORP | Bond | 0.50% | -0.03% | — | |
| 45 | OMER 9.5 06-15-29Bond | Omeros CORP | Bond | 0.45% | -0.22% | — | |
| 46 | HLF 4.25 06-15-28Bond | Herbalife LTD | Bond | 0.43% | +0.01% | -9.28% | |
| 47 | POH3 | Carnival Plc-adr | Stock-Other | 0.41% | -0.41% | EXIT | |
| 48 | WOLF 2.5 06-15-31Bond | Wolfspeed Inc | Bond | 0.38% | +0.72% | +3.23% | |
| 49 | W 3.5 11-15-28Bond | Wayfair Inc | Bond | 0.38% | -0.38% | EXIT | |
| 50 | TSLA | Tesla Inc | Stock-Consumer Disc | 0.34% | -0.34% | EXIT |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | WDC 3 11-15-28Bond | Western Digital CORP | +4.7% | — | Unchanged |
| 2 | LITE 1.5 12-15-29Bond | Lumentum Holdings Inc | +3.5% | — | Unchanged |
| 3 | ECHO 3.875 11-30-30Bond | Echostar CORP | +1.9% | +86.03% | Add |
| 4 | LITE 0.5 12-15-26Bond | 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 12-01-28Bond | Sphere Entertainment Co | +0.1% | -3.17% | Trim |
| 9 | COIN 0.25 04-01-30Bond | Coinbase Global Inc | +0.1% | +33.78% | Add |
| 10 | MARA | Mara Holdings Inc | +0.1% | +38.77% | Add |
| 11 | CHRD | Chord Energy CORP | +0.1% | -8.60% | Trim |
| 12 | MARA 2.125 09-01-31Bond | Mara Holdings Inc | 0% | +19.07% | Add |
| 13 | PPLI | People Inc | 0% | +71.76% | Add |
| 14 | KOS 3.125 03-15-30Bond | Kosmos Energy LTD | 0% | +30.00% | Add |
| 15 | EWZ | Ishares Msci Brazil ETF | 0% | +299.08% | Add |
| 16 | RIG | Transocean Ltd. | 0% | -4.76% | Trim |
| 17 | CYH | Community Health Systems Inc | 0% | +42.08% | Add |
| 18 | MARA 0 03-01-30Bond | Mara Holdings Inc | 0% | — | Unchanged |
| 19 | TSM | Taiwan Semiconductor-sp Adr | 0% | — | Unchanged |
| 20 | MSTR 0.625 09-15-28Bond | Strategy Inc | 0% | +13.51% | Add |
| 21 | ELBM | Electra Battery Materials Co | 0% | -4.25% | Trim |
| 22 | XRX | Xerox Holdings CORP | 0% | — | Unchanged |
| 23 | AMC | Amc Entertainment Hlds-cl A | -0.1% | -64.01% | Trim |
| 24 | SVC | Service Properties Trust | -0.1% | -7.37% | Trim |
| 25 | MSTR 0 12-01-29Bond | Strategy Inc | -0.1% | +6.17% | Add |
| 26 | MGM | Mgm Resorts International | -0.1% | -34.67% | Trim |
| 27 | XRX 3.75 03-15-30Bond | Xerox Holdings CORP | -0.1% | — | Unchanged |
| 28 | NWSA | News CORP - Class A | -0.1% | -72.36% | Trim |
| 29 | TE 5.25 12-01-30Bond | T1 Energy Inc | -0.1% | -50.00% | Trim |
| 30 | EVH 4.5 08-15-31Bond | Evolent Health Inc | -0.1% | -26.09% | Trim |
| 31 | AMCX 4.25 02-15-29 *Bond | Amc Global Media Inc | -0.1% | — | Unchanged |
| 32 | LBRDK | Liberty Broadband-c | -0.1% | +0.07% | Add |
| 33 | DCH | Dauch Corporation | -0.1% | -29.30% | Trim |
| 34 | HEI-A | Heico Corp-class A | -0.1% | — | Unchanged |
| 35 | NBR 1.75 06-15-29Bond | Nabors Industries Inc | -0.2% | -43.13% | Trim |
| 36 | PTCT 1.5 09-15-26Bond | Ptc Therapeutics Inc | -0.2% | -24.15% | Trim |
| 37 | GRFS | Grifols Sa-adr | -0.2% | -21.12% | Trim |
| 38 | LUMN | Lumen Technologies Inc | -0.2% | -18.89% | Trim |
| 39 | SRPT | Sarepta Therapeutics Inc | -0.2% | -73.53% | Trim |
| 40 | UPST 1 11-15-30Bond | Upstart Holdings Inc | -0.2% | — | Unchanged |
| 41 | MARA 0 06-01-31Bond | Mara Holdings Inc | -0.3% | -29.73% | Trim |
| 42 | RUN 4 03-01-30Bond | Sunrun Inc | -0.3% | -30.12% | Trim |
| 43 | JBLU 2.5 09-01-29Bond | Jetblue Airways CORP | -0.3% | -14.93% | Trim |
| 44 | CLSK 0 06-15-30Bond | Cleanspark Inc | -0.3% | -36.56% | Trim |
| 45 | OMER 9.5 06-15-29Bond | Omeros CORP | -0.3% | — | Unchanged |
| 46 | MSTR 2.25 06-15-32Bond | Strategy Inc | -0.3% | +0.45% | Add |
| 47 | SPY | Ss Spdr S&p 500 ETF Trust-us | -0.4% | +11.11% | Add |
| 48 | APLD 2.75 06-01-30Bond | Applied Digital CORP | -0.4% | — | Unchanged |
| 49 | FOX | Fox CORP - Class B | -0.4% | -66.20% | Trim |
| 50 | TCOM 0.75 06-15-29Bond | Trip.com Group LTD | -0.4% | +11.80% | Add |
According to official SEC Form 13F filings, Whitebox Advisors LLC reported a total U.S. public equity portfolio value of $7.7B across 563 disclosed positions in Q1 2026.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
Top New Position Initiated
IWM
市值: $186.0M
Top Position Liquidated / Trimmed
CADE
前期市值: $128.5M
During Q1 2026, Whitebox Advisors LLC's top holdings by market value included WDC 3 11-15-28 (18.0%)、LITE 1.5 12-15-29 (8.8%)、ECHO 3.875 11-30-30 (4.5%). The largest single position, WDC 3 11-15-28, represented 18.0% of total portfolio value.
In Q1 2026, Whitebox Advisors LLC made 188 total portfolio adjustments, initiating 82 new buys, adding to 20 positions, trimming 26 holdings, and fully liquidating 60 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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