Managers / Q1 2026
PEAK6 LLC
CIK 0001389958 · 2010 E. 6TH ST, AUSTIN, TX, 78702 · 312-444-8712
Reported Value
$42.6B
Q1 2026
Positions
2,703
Filings on Record
10
2019–present window
Filed
May 14, 2026
original filing
Summary
Peak6 Llc reported $42.6B in U.S.-listed holdings across 2,703 positions for Q1 2026.
Its largest position, CRWV, represents 1.2% of the portfolio.
Compared with Q4 2025, the fund opened 275 new positions and exited 332.
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 — Q1 2026
Filing History
| Quarter | Reported Value | Positions | Filed | Type | Links |
|---|---|---|---|---|---|
| Q1 2026 | $42.6B | 2,703 | May 14, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $53.8B | 2,826 | Feb 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $68.0B | 2,952 | Nov 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $54.1B | 2,969 | Aug 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $44.6B | 2,983 | May 14, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $47.6B | 3,099 | Feb 13, 2025 | 13F-HR | changes · EDGAR ↗ |
Other Included Managers
This filing reports holdings on behalf of 5 additional managers.
- PEAK6 Investments LLC028-18926
- PEAK6 Capital Management LLC028-12348
- PEAK6 Group LLC028-12352
- APEX CLEARING CORPORATION028-17307
- PEAK6 Foundation
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 ↗.