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Group One Trading LLC: 13F portfolio Q2 2026 and what copying it returned
Group One Trading LLC's 13F for the quarter ended 2026-06-30 (filed Aug 14, 2026): 400 common-share positions, $71.1B reported. Copying each 13F the day after it was filed returned +22.8% from May 16, 2025 to Nov 6, 2026, against +24.5% for SPY.
Copying the 13F
Each 13F bought at the close of the first trading day after it was filed and held, drifting, until the next one; value-weighted over the common-share positions with a price (84.3% of the portfolio on average); 6 filings since May 14, 2025. Price returns for the clone and SPY alike (no dividends, no costs). A 13F lists only US long positions at quarter end, reported up to 45 days later.
Largest holdings (2026-06-30)
| Ticker | Company | Weight | Value | Change in the quarter |
|---|---|---|---|---|
| TSM | Taiwan Semiconductor Manufacturing | 0.1% | $92.3M | +40.0% |
| MU | Micron Technology | 0.1% | $84.2M | -53.2% |
| URA | Global X Uranium ETF | 0.1% | $79.5M | unchanged |
| MRVL | Marvell Technology | 0.1% | $55.7M | +292.2% |
| UNH | UnitedHealth Group | 0.1% | $52.9M | +390.6% |
| KKR | KKR | 0.1% | $44.3M | +44.2% |
| BKNG | Booking Holdings | 0.1% | $34.2M | new |
| URNM | Sprott Uranium Miners ETF | 0.1% | $32.9M | new |
| OSCR | Oscar Health | 0.1% | $32.7M | -8.7% |
| CI | Cigna | 0.0% | $25.2M | +130.7% |
| FCEL | Fuelcell Energy | 0.0% | $25.1M | +1270.3% |
| MAR | Marriott International | 0.0% | $23.7M | unchanged |
| CHTR | Charter Communications | 0.0% | $23.3M | +809.6% |
| PDD | PDD Holdings | 0.0% | $23.1M | +258.8% |
| DASH | DoorDash | 0.0% | $22.9M | new |
| AG | First Majestic Silver | 0.0% | $22.3M | -32.1% |
| NVDA | NVIDIA | 0.0% | $21.9M | new |
| VSH | Vishay Intertechnology | 0.0% | $21.8M | new |
| XLK | SS Technology Select Sector | 0.0% | $21.3M | new |
| COHR | Coherent | 0.0% | $21.1M | unchanged |
| KWEB | Kranesh CSI China Internet | 0.0% | $21.0M | unchanged |
| PFE | Pfizer | 0.0% | $20.9M | unchanged |
| ACMR | ACM Research | 0.0% | $19.9M | +71.8% |
| MSTR | Strategy | 0.0% | $19.2M | +734.3% |
Biggest adds
- URNM new
- BKNG new
- DASH new
- NVDA new
- VSH new
- XLK new
- PLTR new
- CIFR new
- WDC new
- KEEL new
- SOXX new
Biggest cuts
- SILJ exit
- CYTK exit
- CNC exit
- FLG exit
- NEE exit
- UNP -94.0%
- DAL -90.8%
- EWY -85.3%
- VST -80.4%
- SOFI -79.3%
- CDE -74.6%
- EWZ -69.6%
Track record
Of 3 position changes scored in 3 separate decisions, 100.0% were on the right side of SPY over the next three months (Disclosures → Smart money).
Open in Disclosures → every quarter, the clone month by month, the smart-money record
Source: SEC Form 13F-HR, filer CIK 932540. Not investment advice.