Whitebox Advisors LLC 13F holdings
Whitebox Advisors LLC reported 378 positions with a total reported value of $2.0B as of 2026-06-30, in its 13F for Q2 2026, filed 2026-08-14. Top holdings by reported value: PEN PENUMBRA INC (7.8%), TECH BIO-TECHNE CORP (7.2%), WEBSTER FINL CORP (5.8%), CZR CAESARS ENTERTAINMENT INC NE (5.0%), AZUL S A (3.7%). Against 2026-03-31 it opened 77 new positions and exited 35. Next 13F due by 2026-11-14, the legal deadline 45 days after the quarter ending 2026-09-30.
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Top holdings
25 largest of 378 positions · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| PEN PENUMBRA INC | 506,881 | $160.0M | 7.8% |
| TECH BIO-TECHNE CORP | 2,100,001 | $148.4M | 7.2% |
| WEBSTER FINL CORP | 1,560,001 | $119.2M | 5.8% |
| CZR CAESARS ENTERTAINMENT INC NE | 3,379,426 | $102.0M | 5.0% |
| AZUL S A | 8,362,136 | $75.2M | 3.7% |
| SMCI SUPER MICRO COMPUTER INC | 1,400,000 | $72.7M | 3.6% |
| VAL VALARIS LTD | 850,696 | $61.8M | 3.0% |
| APGE APOGEE THERAPEUTICS INC | 450,001 | $59.7M | 2.9% |
| GPOR GULFPORT ENERGY CORP | 274,627 | $46.6M | 2.3% |
| TFPM TRIPLE FLAG PRECIOUS METAL | 1,518,950 | $45.5M | 2.2% |
| WBD WARNER BROS DISCOVERY INC | 1,525,001 | $40.7M | 2.0% |
| ORCL ORACLE CORP | 800,000 | $36.0M | 1.8% |
| HEI HEICO CORP NEW | 132,104 | $34.1M | 1.7% |
| NUVL NUVALENT INC | 275,001 | $34.0M | 1.7% |
| OPI OFFICE PPTYS INCOME TR | 1,748,605 | $29.7M | 1.5% |
| LLYVA LIBERTY LIVE HOLDINGS INC | 217,989 | $23.0M | 1.1% |
| CHART INDS INC | 100,046 | $20.9M | 1.0% |
| LBRDK LIBERTY BROADBAND CORP | 552,551 | $18.4M | 0.9% |
| SERVICE PPTYS TR | 9,581,711 | $16.2M | 0.8% |
| CHRD CHORD ENERGY CORPORATION | 124,476 | $14.2M | 0.7% |
| SM SM ENERGY COMPANY | 496,601 | $13.0M | 0.6% |
| CYH COMMUNITY HEALTH SYS INC NEW | 3,732,743 | $12.5M | 0.6% |
| DCH DAUCH CORP | 2,158,683 | $11.7M | 0.6% |
| BLCO BAUSCH PLUS LOMB CORP | 686,976 | $11.4M | 0.6% |
| GRFS GRIFOLS S A | 1,603,483 | $11.4M | 0.6% |
SEC FORM 13F · Q2 2026 · VALUES AS REPORTED, NOT PRICES
New positions this quarter
Held at 2026-06-30, not at 2026-03-31 · 77 in all · reported value as of 2026-06-30
| Holding | Shares | Reported value | % of portfolio |
|---|---|---|---|
| TECH BIO-TECHNE CORP | 2,100,001 | $148.4M | 7.2% |
| AZUL S A | 8,362,136 | $75.2M | 3.7% |
| APGE APOGEE THERAPEUTICS INC | 450,001 | $59.7M | 2.9% |
| NUVL NUVALENT INC | 275,001 | $34.0M | 1.7% |
| OPI OFFICE PPTYS INCOME TR | 1,748,605 | $29.7M | 1.5% |
| VOYG VOYAGER TECHNOLOGIES INC | 196,156 | $6.3M | 0.3% |
| ALBERTSONS COMPANIES INC | 461,502 | $6.2M | 0.3% |
| RYAAY RYANAIR HOLDINGS PLC | 89,628 | $5.8M | 0.3% |
| MYX MAYWOOD ACQUISITION CORP 2 | 1,650,000 | $5.6M | 0.3% |
| SAGU SHREYA ACQUISITION GROUP | 1,425,000 | $4.8M | 0.2% |
| ARCL ARC GROUP ACQUISITION I CORP | 1,380,000 | $4.7M | 0.2% |
| RREV RRE VENTURES ACQUISITION COR | 600,000 | $4.5M | 0.2% |
| COLLECTIVE ACQUISITION CORP | 700,000 | $4.3M | 0.2% |
| FOREFRONT TECHNOLOGY HOLDING | 420,000 | $4.3M | 0.2% |
| KENSINGTON CAP ACQUISITION | 500,000 | $4.2M | 0.2% |
| AACP APOGEE ACQUISITION CORP | 1,200,000 | $4.1M | 0.2% |
| BREZ BREEZE ACQUISITION CORP II | 800,000 | $4.1M | 0.2% |
| VECA VERNAL CAP ACQUISITION CORP | 800,000 | $4.1M | 0.2% |
| FTRA FUTURECORP SPACE ACQUISITION | 400,000 | $4.1M | 0.2% |
| GUAC BERTO ACQUISITION CORP II | 400,000 | $4.0M | 0.2% |
| OTAI STARLINK AI ACQUISITION CORP | 400,000 | $4.0M | 0.2% |
| QLEP QUANTUM LEAP ACQUISITION COR | 800,000 | $4.0M | 0.2% |
| ATLQ JAB ACQUISITION CORP I | 400,000 | $4.0M | 0.2% |
| ALPX ALPEX ACQUISITION CORP | 400,000 | $4.0M | 0.2% |
| ENERGY TRANSITION SPL OPPORT | 400,000 | $4.0M | 0.2% |
Sold out
Held at 2026-03-31, gone by 2026-06-30 · 35 in all · reported value as of 2026-03-31
| Holding | Shares 2026-03-31 | Reported value | % of portfolio then |
|---|---|---|---|
| TERNS PHARMACEUTICALS INC | 1,000,001 | $52.7M | 2.8% |
| MASIMO CORP | 270,001 | $48.0M | 2.5% |
| CCL CARNIVAL PLC | 1,300,036 | $33.5M | 1.8% |
| LITE LUMENTUM HLDGS INC | 30,773 | $21.6M | 1.1% |
| IAC INC | 217,383 | $8.7M | 0.5% |
| GIGCAPITAL7 CORP | 1,354,500 | $6.1M | 0.3% |
| CARTESIAN GROWTH CORP III | 825,000 | $5.8M | 0.3% |
| ALBERTSONS COS INC | 326,582 | $5.6M | 0.3% |
| ISHARES INC | 107,720 | $5.0M | 0.3% |
| DUNE ACQUISITION CORP II | 700,000 | $4.2M | 0.2% |
| KENSINGTON CAP ACQUIST CORP | 400,000 | $4.0M | 0.2% |
| BN BROOKFIELD CORP | 96,265 | $3.9M | 0.2% |
| MOUNTAIN LAKE ACQUISITION CO | 600,000 | $3.2M | 0.2% |
| CWEN CLEARWAY ENERGY INC | 60,542 | $2.4M | 0.1% |
| WILLOW LANE ACQUISITION CORP | 336,827 | $2.1M | 0.1% |
| A PARADISE ACQUISITION CORP | 400,000 | $2.1M | 0.1% |
| LEO BNY MELLON STRATEGIC MUNS IN | 305,421 | $1.9M | 0.1% |
| MFS HIGH INCOME MUN TR | 512,763 | $1.9M | 0.1% |
| CEPT CANTOR EQUITY PARTNERS II IN | 145,000 | $1.6M | <0.1% |
| USAS AMERICAS GOLD AND SILVER COR | 250,000 | $1.3M | <0.1% |
| CANTOR EQUITY PARTNERS III I | 125,000 | $1.3M | <0.1% |
| ALLIANCEBERNSTEIN NATL MUN I | 113,648 | $1.2M | <0.1% |
| GME GAMESTOP CORP NEW | 286,722 | $1.1M | <0.1% |
| WHR WHIRLPOOL CORP | 17,413 | $938.9K | <0.1% |
| MFS MUN INCOME TR | 125,000 | $673.8K | <0.1% |
Biggest increases and decreases
Positions held at both quarter ends, by change in shares · reported value as of 2026-06-30
Increases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| CZR CAESARS ENTERTAINMENT INC NE | 113,165 | 3,379,426 | +2,886.3% | $102.0M |
| PEN PENUMBRA INC | 445,001 | 506,881 | +13.9% | $160.0M |
| VAL VALARIS LTD | 583,937 | 850,696 | +45.7% | $61.8M |
| SERVICE PPTYS TR | 3,772,799 | 9,581,711 | +154.0% | $16.2M |
| GPOR GULFPORT ENERGY CORP | 219,627 | 274,627 | +25.0% | $46.6M |
| NWSA NEWS CORP NEW | 68,507 | 343,120 | +400.9% | $8.5M |
| LLYVA LIBERTY LIVE HOLDINGS INC | 161,429 | 217,989 | +35.0% | $23.0M |
| PONO PONO CAP FOUR INC | 700,000 | 1,400,000 | +100.0% | $7.1M |
| HENNESSY CAP INVTS CORP VIII | 144,434 | 688,868 | +376.9% | $3.5M |
| CYH COMMUNITY HEALTH SYS INC NEW | 3,127,884 | 3,732,743 | +19.3% | $12.5M |
| IACO IDEA ACQUISITION CORP | 797,378 | 1,063,170 | +33.3% | $8.0M |
| RFAM RF ACQUISITION CORP III | 387,000 | 774,000 | +100.0% | $3.9M |
Decreases
| Holding | Shares 2026-03-31 | Shares 2026-06-30 | Change | Reported value |
|---|---|---|---|---|
| SMCI SUPER MICRO COMPUTER INC | 138,601,000 | 1,400,000 | -99.0% | $72.7M |
| UP WHEELS UP EXPERIENCE INC | 23,832,927 | 1,021,597 | -95.7% | $9.2M |
| CHART INDS INC | 758,887 | 100,046 | -86.8% | $20.9M |
| LBRDK LIBERTY BROADBAND CORP | 1,825,817 | 552,551 | -69.7% | $18.4M |
| WEBSTER FINL CORP | 1,925,001 | 1,560,001 | -19.0% | $119.2M |
| CSTM CONSTELLIUM SE | 346,660 | 95,672 | -72.4% | $3.0M |
| BLCO BAUSCH PLUS LOMB CORP | 1,101,854 | 686,976 | -37.7% | $11.4M |
| ORCL ORACLE CORP | 900,000 | 800,000 | -11.1% | $36.0M |
| CHRD CHORD ENERGY CORPORATION | 159,476 | 124,476 | -21.9% | $14.2M |
| GRFS GRIFOLS S A | 2,067,798 | 1,603,483 | -22.5% | $11.4M |
| ISHARES TR | 50,841 | 11,900 | -76.6% | $993.6K |
| SM SM ENERGY COMPANY | 602,301 | 496,601 | -17.5% | $13.0M |
CIK 1257391 · 13F FILINGS ON EDGAR · INFORMATIONAL ONLY
