Who owns Tresor?
Tresor is owned by Mars (the United States) through its subsidiary Kellanova.[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Kellanova Annual Report 2025, 1 February 2026. Last checked .
Key facts
- Current owner
- Mars, Incorporated via Kellanova reported
- Owner HQ
- 🇺🇸 United States, McLean, Virginia
- Origin
- 🇩🇪 Germany
- Founded
- 1999
- Category
- Food › Breakfast cereal › Ready-to-eat cereal
- Last verified
- · 1 sources
About Tresor
Tresor is a filled cereal pillow sold across Germany and central Europe, launched in 1999. It is one of Kellanova's largest cereal brands in continental Europe, where the company competes with Nestlé's cereal joint venture. Filled pillow cereals are far more common in European breakfast aisles than in American ones.
Ownership timeline of Tresor
Where Tresor sits in Mars
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
- Kellanova · 10 brands
Open the full Mars ownership tree →
See the full Mars brand portfolio (42) →
Other brands owned by Mars
Mars controls 42 brands on Brandtree, 31 of them in food.
Also in food
- Altoids (1780)
- Ben's Original (1943)
- Bounty (1951)
- Celebrations (1997)
- Cheez-It (1921)
- Combos (1976)
- Crunchy Nut (1980)
- Dolmio (1985)
- Eggo (1953)
- Extra (1984)
- Extra (1993)
- Galaxy (1960)
- Juicy Fruit (1893)
- KIND (2004)
- Life Savers (1912)
- M&M's (1941)
- Maltesers (1937)
- Mars (1932)
Founded in the 1990s
- Greenies (1996)
Other brands in ready-to-eat cereal, and who owns them
The 32 brands in ready-to-eat cereal on Brandtree belong to 12 owners. The largest is General Mills, with 7; Mars has 4.
| Brand | Owner | Owner based in |
|---|---|---|
| Cheerios | General Mills | 🇺🇸 United States |
| Froot Loops | Ferrero | 🇮🇹 Italy |
| Grape-Nuts | Post Holdings | 🇺🇸 United States |
| EnviroKidz | Nature's Path | 🇨🇦 Canada |
| Chocapic | Nestlé | 🇨🇭 Switzerland |
| Jordans | Associated British Foods | 🇬🇧 United Kingdom |
| Frugra | Calbee | 🇯🇵 Japan |
| AXA | Lantmännen | 🇸🇪 Sweden |
About the owner: Mars
Mars is a family-owned company headquartered in McLean, Virginia, United States, founded in 1911. Brandtree records 42 brands under its control.
Mars is one of the largest privately held companies in the world, owned by the Mars family since Frank Mars began making sweets in Tacoma in 1911. It publishes no financial statements. Its four segments are snacking, pet nutrition, food and Mars Wrigley, and it agreed to acquire Kellanova in 2024.
🇩🇪 Tresor and other German brands
Brandtree records a controlling owner for 252 brands that began in Germany. 93 of them (37%) are now controlled by a company headquartered in another country, Tresor among them.
- 3 Glocken — Princes Group 🇬🇧
- Abraham — Bell Food Group 🇨🇭
- Aldi (Nord) — Aldi Nord 🇩🇪
- Aldi (Süd) — Aldi Süd 🇩🇪
- Almette — Hochland 🇩🇪
- Aptamil — Danone 🇫🇷
Frequently asked questions
Who is the parent company of Tresor?
The parent company of Tresor is Mars, a family-owned company headquartered in the United States. Tresor sits under Mars' subsidiary Kellanova.
Is Tresor German or American?
Tresor originated in Germany in 1999, but it is owned today by Mars, which is headquartered in the United States. So Tresor is a German-origin brand under American ownership.
Is Tresor still owned by Mars?
Yes. As of 16 September 2026, Tresor is still owned by Mars. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Kellanova Annual Report 2025 — Kellanova, Annual report, published 1 February 2026; retrieved 23 October 2026.
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