SEC 13F Intelligence

Managers / Q2 2025 · view latest →

Sienna Gestion

CIK 0002021242 · 21, BOULEVARD HAUSSMANN, PARIS, I0, 75009 · 33 06 50 75 37 95

Reported Value
$1.5B
Q2 2025
Positions
159
Filings on Record
10
2019–present window
Filed
Aug 6, 2025
original filing

Summary

Sienna Gestion reported $1.5B in U.S.-listed holdings across 159 positions for Q2 2025.

Its largest position, NVDA, represents 7.1% of the portfolio.

Compared with Q1 2025, the fund opened 5 new positions and exited 5.

Reported Value by Quarter

13F Reported Value
Q1 ’24: $9.2BQ1 ’24Q2 ’24: $1.1BQ3 ’24: $1.5BQ3 ’24Q4 ’24: $1.5BQ1 ’25: $1.2BQ1 ’25Q2 ’25: $1.5BQ3 ’25: $1.4BQ3 ’25Q4 ’25: $1.7BQ1 ’26: $1.5BQ1 ’26filingsflow.com

Portfolio Composition

By security type
Common Stock: 91.0%Other: 7.2%REIT: 1.8%
  • Common Stock · 91.0% · $1.3B
  • Other · 7.2% · $105M
  • REIT · 1.8% · $26M

Quarter-over-Quarter Changes full breakdown →

Holdings — Q2 2025

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#IssuerClass% PortfolioValueShares

Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$1.5B136May 15, 202613F-HRchanges · EDGAR ↗
Q4 2025$1.7B150Feb 13, 202613F-HRchanges · EDGAR ↗
Q3 2025$1.4B159Nov 13, 202513F-HRchanges · EDGAR ↗
Q2 2025$1.5B159Aug 6, 202513F-HRchanges · EDGAR ↗
Q1 2025$1.2B159May 13, 202513F-HRchanges · EDGAR ↗
Q4 2024$1.5B202Feb 10, 202513F-HRchanges · EDGAR ↗
Q3 2024$1.5B207Nov 14, 202413F-HRchanges · EDGAR ↗
Q2 2024$1.1B159Aug 12, 202413F-HRchanges · EDGAR ↗
Q1 2024$9.2B160May 10, 202413F-HRchanges · 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 ↗.