Whitebox Advisors
Whitebox Advisors reported 581 stocks worth $2B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are PEN (7.8%), TECH (7.2%) and Webster Finl Corp (5.8%). Compared with Q1 2026, the fund opened new positions in TECH, AZUL and OPI, added to PEN, CZR and VAL, trimmed CHRD, SM and DCH and sold out of CCL, LITE and PPLI.
Holdings
| # | Stock | Value | Weight | Shares | Change | Shares, 8 qtrs | Held |
|---|---|---|---|---|---|---|---|
| 1 |  PEN Penumbra Inc | $160M | 7.8% | 507K | +62K (+14%) | 2 of 8 | |
| 2 |  TECH Bio-Techne Corp | $148M | 7.2% | 2.1M | New position | 1 of 8 | |
| 3 | WEBSTER FINL CORP | $119M | 5.8% | 1.6M | −365K (−19%) | 2 of 8 | |
| 4 |  CZR Caesars Entertainment Inc NE | $102M | 5.0% | 3.4M | +3.3M (+2886%) | 4 of 8 | |
| 5 |  AZUL Azul Sa-Spon ADR | $75.2M | 3.7% | 8.4M | New position | 1 of 8 | |
| 6 | SUPER MICRO COMPUTER INC | $72.7M | 3.5% | 1.4M | New position | 1 of 8 | |
| 7 |  VAL Valaris Ltd | $61.8M | 3.0% | 851K | +267K (+46%) | 7 of 8 | |
| 8 | APOGEE THERAPEUTICS INC | $59.7M | 2.9% | 450K | New position | 1 of 8 | |
| 9 |  GPOR Gulfport Energy Corp | $46.6M | 2.3% | 275K | +55K (+25%) | 8 of 8 | |
| 10 |  TFPM Triple Flag Precious Metal | $45.5M | 2.2% | 1.5M | No change | 8 of 8 |
Positions at Jun 30, 2026, as reported. Change is against the fund's Q1 2026 filing; weight is the share of the fund's reported stocks.
Sold out
held in Q1 2026, gone in Q2 2026| Stock | Value last quarter | Shares sold |
|---|---|---|
SUPER MICRO COMPUTER INC | $111M | 139M |
TERNS PHARMACEUTICALS INC | $52.7M | 1M |
MASIMO CORP | $48M | 270K |
 CCL Carnival PLC | $33.5M | 1.3M |
 LITE Lumentum Hldgs Inc | $21.6M | 31K |
🔒 Free account: see all 30.
Options
valued at the underlying shares| Stock | Type | Value | Shares | Change |
|---|---|---|---|---|
 SPY Spdr S&P 500 ETF TR | Put | $373M | 500K | 0 |
 IWM Ishares TR | Put | $150M | 500K | −250,000 |
 NVDA Nvidia Corporation | Put | $140M | 700K | −100,000 |
 NBIS Nebius Group | Put | $138M | 500K | 0 |
 SMCI Super Micro Computer Inc | Put | $120M | 4.1M | −500,000 |
🔒 Free account: see all 20.
Reported value
last 8 quartersThe value of the US stocks the fund reported, at quarter end prices. It moves with the market as well as with buying and selling.
Filings for Q2 2026
straight from the SEC| Filed | Form | Quarter | |
|---|---|---|---|
| Aug 14, 2026 | 13F-HR | Q2 2026 | SEC filing ↗ |
Other superinvestors
All hedge fund holdings →Whitebox Advisors 13F FAQ
What does Whitebox Advisors own?
Whitebox Advisors reported 581 stocks worth $2B in its 13F filing for Q2 2026, filed Aug 14, 2026. Its largest holdings are PEN (7.8%), TECH (7.2%) and Webster Finl Corp (5.8%). The table above lists every position in the filing (the top 10 without an account).
What did Whitebox Advisors buy and sell in Q2 2026?
Compared with Q1 2026: 162 new positions, 22 added to, 30 trimmed and 79 sold out. New positions include TECH, AZUL and OPI. It sold all of CCL, LITE and PPLI.
When will Whitebox Advisors file its next 13F?
Holdings as of Sep 30, 2026 are due by Nov 16, 2026. The filing appears on this page within minutes of reaching the SEC.
How much is Whitebox Advisors's portfolio worth?
The Q2 2026 filing reports $2B in US stocks ($3.5B including options). That leaves out cash, bonds, short positions and most foreign holdings, so the fund's total assets are usually larger.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Holdings come from the fund's SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. The fund may have changed its positions since. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.