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GROUP ONE TRADING, L.P.
GROUP ONE TRADING, L.P. is an institution, managing $3.3B across 2,179 long positions as of Q3 2025 with IREN as the largest holding (4% allocation).
- Portfolio Value
- $3.3B
- Positions
- 2,179
- Top Holding
- IREN at 4.31%
- Last Reported
- Q3 2025
Top Holdings
Largest long holdings in GROUP ONE TRADING, L.P.'s portfolio (14.3% of total portfolio)
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| Holding | Sector | Position | Weight | Traded | Ownership |
|---|---|---|---|---|---|
Financial - Capital Markets Financial Services | $143.7M | 4.31% | -$160.5M Sold | 1.13% 3.1M shares | |
Software - Infrastructure Technology | $52.6M | 1.58% | -$35.7M Sold | 0.04% 367.7K shares | |
Unknown Unknown | $51.6M | 1.55% | +$51.6M New | — 994.5K shares | |
Financial - Capital Markets Financial Services | $45.7M | 1.37% | -$1.2M Sold | 2.41% 4.3M shares | |
ETF ETF | $41.5M | 1.24% | -$5.8M Sold | — 870.8K shares | |
Internet Content & Information Communication Services | $32.9M | 0.99% | +$1.8M Bought | 1.71% 2.3M shares | |
Gambling, Resorts & Casinos Consumer Cyclical | $31.0M | 0.93% | +$30.7M Bought | 0.23% 241.6K shares | |
Unknown Unknown | $26.5M | 0.79% | +$5.8M Bought | — 152.5K shares | |
Financial - Capital Markets Financial Services | $26.3M | 0.79% | +$10.1M Bought | 0.53% 2.1M shares | |
Unknown Unknown | $25.7M | 0.77% | +$24.5M Bought | 0.09% 229.0K shares |
Changes
Portfolio activity, position movements, and quarter-over-quarter changes in GROUP ONE TRADING, L.P.'s latest filing
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Market Value
Q/Q Change
Net Flows % of MV
Turnover Ratio
New Purchases
Added To
Sold Out Of
Reduced Holdings
Increased Positions
| Position | Shares Δ |
|---|---|
New | |
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Decreased Positions
| Position | Shares Δ |
|---|---|
Sold | |
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Sold |
Analytics
Portfolio insights and performance metrics for GROUP ONE TRADING, L.P.
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