Entity Type
Individual
Filer Snapshot
Gestion Sienna
CIK 0002021242. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.
Total Filings
12
Latest Filing
15 May 2026
Industry
n/a
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Best next click
Start with the summary below, then verify the strongest source-backed page for this filer.
- Open 13F if you want portfolio holdings.
- Open 13D/G or insider pages only when this CIK has those rows.
Source: SEC Form 13F
View Source Filing
13F-HR filed on 15 May 2026 for CIK 0002021242.
- Business address
- 21, Boulevard Haussmann, Paris, France, 75009
- Top securities (13F)
- NVDA, AAPL, MSFT, AVGO, TSLA, JPM, CSCO, AER, ATO, HD, VZ, BLACKROCK INC, LLY, MFC, MA, PG, AMAT, WDC, GD, and AEM
- State of incorporation
- France
- Fiscal year end
- 31 December
Filer intelligence
What SEC filings say about Gestion Sienna
A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.
Quick read
- Latest parsed 13F shows $1.52B across 136 reported holdings for Q1 2026.
- Largest parsed 13F holding: NVDA at $116.86M.
SEC source mix
Counts show available parsed rows, not one combined ownership total.
Top parsed 13F holdings
Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.
Latest update
What changed recently for Gestion Sienna
Latest 13F period: Q1 2026. Open the source-backed page to inspect the fresh filing or facts context.
Update date
15 May 2026
Page type
Filer profile
Latest period
Q1 2026
Institutional portfolio context was refreshed from a 13F filing filed on 15 May 2026.
Filer Overview
Gestion Sienna has filed 12 SEC EDGAR filings since 10 May 2024. Common forms include 13F-HR, N-PX, 13F-HR/A.
Latest Filings
Recent SEC filings for Gestion Sienna with direct links to document and filing folders.
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 15 May 2026
- Reporting date
- 31 Mar 2026
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 13 Feb 2026
- Reporting date
- 31 Dec 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 13 Nov 2025
- Reporting date
- 30 Sep 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
N-PX
File 028-24127
N-PX filing
- Filing date
- 13 Aug 2025
- Reporting date
- 30 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 06 Aug 2025
- Reporting date
- 30 Jun 2025
- SEC evidence
- Open document Open filing
- Next action
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13F-HR
File 028-24127
13F-HR filing
- Filing date
- 13 May 2025
- Reporting date
- 31 Mar 2025
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 10 Feb 2025
- Reporting date
- 31 Dec 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 14 Nov 2024
- Reporting date
- 30 Sep 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
N-PX
File 028-24127
N-PX filing
- Filing date
- 22 Aug 2024
- Reporting date
- 30 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
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13F-HR
File 028-24127
13F-HR filing
- Filing date
- 12 Aug 2024
- Reporting date
- 30 Jun 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR/A
File 028-24127
13F-HR/A filing
- Filing date
- 12 Aug 2024
- Reporting date
- 31 Mar 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
13F-HR
File 028-24127
13F-HR filing
- Filing date
- 10 May 2024
- Reporting date
- 31 Mar 2024
- SEC evidence
- Open document Open filing
- Next action
- Verify source filing
About this filer
Gestion Sienna files with the SEC under CIK 0002021242. This page aggregates EDGAR filings and related ownership activity.
FAQ
- What is a CIK?
- A Central Index Key (CIK) is a unique identifier assigned by the SEC to each filer.
- Why are some filings missing?
- New filings appear as the SEC updates EDGAR, and older records can vary by availability.
- How often is this page updated?
- Updates follow new EDGAR submissions and periodic data refreshes.