Sienna Gestion
- SEC CIK
- 0002021242
- Latest filing
- Aug 13, 2026
OMC holding history
Omnicom Group Inc. in every 13F filed by Sienna Gestion, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
OMC overviewAll 13F holders of OMCFull Q2 2026 holdings
- Shares (Q2 2026)
- 10,791
- Value
- $806.7K
- % of portfolio
- <0.1%
- Quarters held
- 5
- Since Q1 2024
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 10,791 | $806.7K | <0.1% | +10,791 | New | Holders |
| Q1 2025 | 0 | $0 | 0.0% | −5,427−100.0% | Sold out | Holders |
| Q4 2024 | 5,427 | $466.9K | <0.1% | −130,217−96.0% | Reduced | Holders |
| Q3 2024 | 135,644 | $14.0M | 0.9% | +20,253+17.6% | Added | Holders |
| Q2 2024 | 115,391 | $10.3M | 0.9% | +605+0.5% | Added | Holders |
| Q1 2024 | 114,786 | $11.1M | 1.0% | – | No prior filing | Holders |