Index Corporation: brands it owns and its ownership tree

Index Corporation is a privately held company headquartered in Tokyo, Japan that is tracked here as an owner of consumer businesses, and has 1 recorded transaction.^[1]

Index Corporation was a Japanese content company that owned Atlus, the studio behind Persona and Shin Megami Tensei, until it transferred its businesses to Sega Sammy in November 2013.

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brands owned
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categories
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acquisitions recorded
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divestitures recorded

Company facts

Legal name: Index Corporation
Type: privately held company · see all privately held company owners
Headquarters: 🇯🇵 Tokyo, Japan
Last verified: 16 September 2026 · 2 sources

Divestitures and spin-offs by Index Corporation

Acquisition closed Closed 2013

Sega Sammy acquires Persona

Index Corporation transferred its businesses to Sega Sammy in November 2013, bringing with them the studio behind Persona and Shin Megami Tensei. In April 2014 Sega split the acquired operations, re-establishing the home video game software business under the ATLUS name and leaving the contents and solutions business as Index. Sega Sammy dates the transfer to November 2013 without giving a day.

Value: Undisclosed
Buyer: Sega Sammy
Seller: Index Corporation
Regulatory: None recorded

Brands Index Corporation no longer owns

Index Corporation controlled this brand in the past. Each row shows when the ownership ended and who holds the brand now, so a page that once said Index Corporation owned it still shows why it no longer does.

Brand	Owned until	Owner today
Persona	Jan 2013	Sega Sammy

Frequently asked questions

What brands does Index Corporation own?

Index Corporation is tracked as an owner of consumer businesses; see the ownership tree for its holdings.

Is Index Corporation a Japanese company?

Yes. Index Corporation is headquartered in Tokyo, Japan.

Who owns Index Corporation?

Index Corporation is privately held. Index Corporation was a Japanese content company that owned Atlus, the studio behind Persona and Shin Megami Tensei, until it transferred its businesses to Sega Sammy in November 2013.

Sources (2) & corrections

Last verified 16 September 2026. Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.

[1] SEGA SAMMY HOLDINGS Annual Report 2014 - consumer business and the Index transfer — SEGA SAMMY HOLDINGS INC., Annual report; retrieved 16 September 2026.
[2] SEGA SAMMY HOLDINGS - corporate history — SEGA SAMMY HOLDINGS INC., Official document; retrieved 16 September 2026.

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