Private company
Who owns Sistemas Automotrices de Mexico S.A. de C.V.
One company in the researched set discloses a stake in Sistemas Automotrices de Mexico S.A. de C.V., worth $134m between them. Sistemas Automotrices de Mexico S.A. de C.V. is private, so no 13F reports it: a 13F covers exchange listed positions only. These figures exist because each holder disclosed the stake in its own filings.
Sistemas Automotrices de Mexico S.A. de C.V. - Profile
- Type
- joint venture
- Based in
- Mexico
Sistemas Automotrices de Mexico, known as Sisamex, manufactures drivetrain and braking components for commercial, agricultural and off highway vehicles in Mexico, running plants in Nuevo Leon and Jalisco. It is a Mexican joint venture between Grupo Quimmco, a Monterrey metalworking and industrial group that supplies the foundry, forging and machining base, and the heavy vehicle systems business now owned by Cummins, which contributes the axle and brake product designs and the right to build and sell them to original equipment makers in Mexico. Its axles, carriers, brakes and related components go to truck and machinery builders including Daimler Trucks, Paccar, International and John Deere.
Source
Sistemas Automotrices de Mexico S.A. de C.V. files nothing with the SEC, so none of this comes from a filer record. The description was written for this site in August 2026 from SISAMEX Revolutionizes Inventory Analytics with Amazon Quick Suite (AWS Business Intelligence Blog), Meritor, Inc. Form 10-Q, quarter ended 31 March 2017 and Cummins Inc. 2025 Form 10-K, Note 3 Investments in Equity Investees. The ownership figures below come from the holders' filings instead, and are sourced row by row.
The disclosed stakes
One row per position. Where a holder reports the same company in two share classes, both rows are shown rather than summed, because the class is part of a position's identity.
Where each figure comes from
A private stake has no ownership form behind it, so the source is always the holder's own filing or disclosure. Anything modelled says so, with the arithmetic.
- Cummins Inc., as of 31 Dec 2025. FY2025 10-K NOTE 3, Investments in Equity Investees, states a per-investee carrying value: $134 million at 2025-12-31 (versus $150 million at 2024-12-31). source
What this page is not
It is not a complete register. It lists the holders who happen to be inside the researched set and disclosed the stake themselves. A private company can have many other shareholders, and nothing here rules them out: venture investors, founders and employees usually appear in no public filing at all. Percentages are of Sistemas Automotrices de Mexico S.A. de C.V. where a holder stated one, and are missing where no holder did.