Managers / Q1 2026
Sienna Gestion
CIK 0002021242 · 21, BOULEVARD HAUSSMANN, PARIS, I0, 75009 · 33 06 50 75 37 95
Reported Value
$1.5B
Q1 2026
Positions
136
Filings on Record
10
2019–present window
Filed
May 15, 2026
original filing
Summary
Sienna Gestion reported $1.5B in U.S.-listed holdings across 136 positions for Q1 2026.
Its largest position, NVDA, represents 7.6% of the portfolio.
Compared with Q4 2025, the fund opened 19 new positions and exited 33.
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 | $1.5B | 136 | May 15, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q4 2025 | $1.7B | 150 | Feb 13, 2026 | 13F-HR | changes · EDGAR ↗ |
| Q3 2025 | $1.4B | 159 | Nov 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q2 2025 | $1.5B | 159 | Aug 6, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q1 2025 | $1.2B | 159 | May 13, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q4 2024 | $1.5B | 202 | Feb 10, 2025 | 13F-HR | changes · EDGAR ↗ |
| Q3 2024 | $1.5B | 207 | Nov 14, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q2 2024 | $1.1B | 159 | Aug 12, 2024 | 13F-HR | changes · EDGAR ↗ |
| Q1 2024 | $9.2B | 160 | May 10, 2024 | 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 ↗.