GROUP ONE TRADING LLC
Institutional investor · Portfolio as of Q2 2026
Top Holdings7,824 positions
Stock | Shares | Value | Weight | Avg Buy | Est. P&L | Held | Conviction |
|---|---|---|---|---|---|---|---|
| 2.1M | $2.4B | 3.4% | — | — | — | Increased — | |
| 1.7M | $2B | 2.8% | — | — | — | Increased — | |
| 3.7M | $1.4B | 1.9% | — | — | — | Decreased — | |
| 552,500 | $1.3B | 1.8% | — | — | — | Increased — | |
| 2.8M | $1.2B | 1.7% | — | — | — | Decreased — | |
| 1.8M | $1B | 1.4% | — | — | — | Increased — | |
| 3M | $1B | 1.4% | — | — | — | Increased — | |
| 2.4M | $892M | 1.3% | — | — | — | Increased — | |
| 372,500 | $847M | 1.2% | — | — | — | Increased — | |
| 5M | $697.3M | 1.0% | — | — | — | Decreased — | |
| 2.4M | $680.4M | 1.0% | — | — | — | Increased — | |
| 1.6M | $673.8M | 0.9% | — | — | — | Increased — | |
| 1.6M | $670.7M | 0.9% | — | — | — | Decreased — | |
| 3.2M | $631.7M | 0.9% | — | — | — | Increased — | |
VANECK SEMICONDUCTOR ETF | 4M | $608.1M | 0.9% | — | — | — | Increased — |
| 471,800 | $565.9M | 0.8% | — | — | — | Increased — | |
| 1.1M | $535.5M | 0.8% | — | — | — | Increased — | |
| 914,600 | $531.3M | 0.7% | — | — | — | Increased — | |
| 845,700 | $491.3M | 0.7% | — | — | — | Increased — | |
| 1.3M | $460.7M | 0.6% | — | — | — | Increased — |
GROUP ONE TRADING LLC manages $71.1B across 7824 positions as of Q2 2026. Top holdings: MICRON TECHNOLOGY INC (3.4%), MICRON TECHNOLOGY INC (2.8%), SPDR GOLD TR (1.9%). Fund DNA: Diversified Scout. HoldingsIntel Score: 1.5/5.0.
Active quarter - 643 new positions, 653 exits, 578 increased. No standout high-conviction moves this quarter. Portfolio: $71.1B across 7824 positions.
Top holdings by portfolio weight
Portfolio allocation by GICS sector
Behavioral investing profile
Position Outcomes
Best and worst performing positions by estimated return
Top Winners
Top Losers
Cost basis estimates based on full filing history using quarter-end prices. Actual transaction prices are not disclosed in 13F filings.
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Data sourced from SEC EDGAR 13F filings. Not financial advice. Full disclaimer
Verify source filings on SEC EDGAR