Managers / Q4 2018 · view latest →
GROUP ONE TRADING LLC
CIK 0000932540 · 425 S FINANCIAL PLACE, SUITE 3400, CHICAGO, IL, 60605 · 312-347-8864
Reported Value
$11.5B
Q4 2018
Positions
4,844
Filings on Record
32
2019–present window
Filed
Feb 6, 2019
original filing
Summary
Group One Trading Llc reported $11.5B in U.S.-listed holdings across 4,844 positions for Q4 2018.
Reported Value by Quarter
13F Reported Value
Portfolio Composition
By security type
Composition data arrives with ticker enrichment.
Quarter-over-Quarter Changes full breakdown →
Holdings — Q4 2018
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $52.2B | 8,022 | May 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $57.3B | 8,559 | Feb 12, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $56.9B | 8,852 | Nov 12, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $45.2B | 8,339 | Aug 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $43.7B | 7,517 | May 14, 2025 | RESTATEMENT | changes · EDGAR ↗ |
| Q4 2024 | $40.5B | 6,549 | Feb 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $35.1B | 6,541 | Nov 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $25.8B | 6,607 | Aug 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $26.0B | 6,911 | May 10, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q4 2023 | $38.0B | 7,275 | Feb 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q3 2023 | $29.8B | 7,549 | Nov 9, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q2 2023 | $31.2B | 7,575 | Aug 9, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q1 2023 | $27.7B | 7,108 | May 12, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q4 2022 | $42.99T | 7,132 | Feb 9, 2023 | 13F-HR | changes · EDGAR ↗ |
| Q3 2022 | $50.9B | 7,595 | Nov 9, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q2 2022 | $63.8B | 7,842 | Aug 11, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q1 2022 | $101.0B | 8,026 | May 12, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q4 2021 | $124.5B | 8,228 | Feb 11, 2022 | 13F-HR | changes · EDGAR ↗ |
| Q3 2021 | $92.6B | 8,294 | Nov 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q2 2021 | $82.9B | 8,103 | Aug 10, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q1 2021 | $67.5B | 7,548 | May 12, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q4 2020 | $57.8B | 6,453 | Feb 10, 2021 | 13F-HR | changes · EDGAR ↗ |
| Q3 2020 | $31.8B | 6,077 | Nov 12, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q2 2020 | $21.7B | 5,779 | Aug 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q1 2020 | $12.3B | 5,255 | May 13, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q4 2019 | $14.7B | 5,086 | Feb 10, 2020 | 13F-HR | changes · EDGAR ↗ |
| Q3 2019 | $12.4B | 5,114 | Nov 12, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q2 2019 | $11.1B | 4,933 | Aug 9, 2019 | 13F-HR | changes · EDGAR ↗ |
| Q1 2019 | $9.0B | 4,769 | May 14, 2019 | RESTATEMENT | changes · EDGAR ↗ |
| Q4 2018 | $11.5B | 4,844 | Feb 6, 2019 | 13F-HR | changes · EDGAR ↗ |
13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.