# Tuboly-Astronic acquired by 3B Holding and Bertelli family

Tuboly-Astronic was acquired by TAT Holding AG, a Swiss company controlled by 3B Holding, the industrial holding company of the Bertelli family. The acquisition was completed in December 2025.

- Type: Acquisition
- Announced: 2025-12-01
- Where: Switzerland
- Status: completed
- Products: transformer technology
- Sectors: [Electrical Equipment](https://endata.com/sectors/electrical-equipment.md)

## Companies

- [3B](https://endata.com/companies/83844.md) (acquirer)
- [Tuboly-Astronic](https://endata.com/companies/93820.md) (target)
- [Bertelli family](https://endata.com/companies/93821.md) (acquirer)

## Sources

- [transformer-technology.com](https://transformer-technology.com/tuboly-astronic-opens-a-new-chapter-with-3b-holding-and-the-bertelli-family/), 2026-09-03: "Tuboly-Astronic is entering a new phase in its history."

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Data from Endata (https://endata.com/). Announcements are summarized from public sources and may be incomplete; check the linked originals.