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Sony to acquire Tamron?
29 juillet 2026 à 16:06
Today, Diamond Online (ダイヤモンド・オンライン) published an investigative scoop stating that Sony Group has proposed acquiring Tamron, aiming to acquire all of Tamron’s shares. The deal size is projected at roughly 200 billion yen (約2,000億円). No official confirmation or denial has been issued by Sony or Tamron as of the latest available information. Diamond is a long-established, respected Japanese business magazine. The article is paywalled, but here is an AI-generated recap:
Update #1: there is also a similar report from Nikkei today.
Update #2 – Tamron confirms non-binding acquisition proposal from Sony.
- Sony has been Tamron’s largest (or near-largest) traditional shareholder for years, holding around 15% in recent periods. This stake has long functioned as a stabilizing “white knight” relationship.
- Activist fund Effissimo Capital Management aggressively increased its holding (reports put it at ~17.4% earlier in 2026), potentially overtaking Sony as the top shareholder. Japanese coverage frames this as a possible defensive catalyst for Sony to move for full control.
- Tamron is already a critical partner for Sony (popular third-party lenses + historical OEM relationships). Full ownership would lock that in.
- Tamron shares (7740.T) reacted immediately in after-hours PTS trading with a sharp jump (reports of double-digit percentage gains).
Japanese coverage highlights a shift in Sony’s electronics division:
- After years of defensive restructuring (including the TV/BRAVIA separation), the division is now pursuing growth-oriented M&A.
- Strategic goal of tighter vertical integration: Sony’s industry-leading image sensors + camera bodies + Tamron’s optical design and high-volume precision manufacturing know-how.
- Protecting the E-mount ecosystem and Tamron partnership from activist pressure or any shift in Tamron’s multi-mount priorities.
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