Private company

Nippon Life Insurance Company

Logo: Nihon Seimei Hoken Sōgo-gaisha, Public domain, via Wikimedia Commons4

Japanese life insurance company

Nippon Life Insurance Company (日本生命保険相互会社, Nihon Seimei Hoken Sōgo-gaisha), also known as Nissay (ニッセイ, Nissei) or Nihon Seimei (日本生命) is the largest Japanese life insurance company by revenue. The company was founded in 1889 as the Nippon Life Assurance Co., Inc. In structure it is a mutual company. It first paid policyholder dividends in 1898.3 Wikipedia text CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

1889Founded1
  • Industryinsurance company1
  • HeadquartersChūō-ku1
  • Websitewww.nissay.co.jp
  • Legal formmutual insurance1

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Photo: 663highland, CC BY 2.5, via Wikimedia Commons5

Nippon Life Insurance Company (日本生命保険相互会社, Nihon Seimei Hoken Sōgo-gaisha), also known as Nissay (ニッセイ, Nissei) or Nihon Seimei (日本生命) is the largest Japanese life insurance company by revenue. The company was founded in 1889 as the Nippon Life Assurance Co., Inc. In structure it is a mutual company. It first paid policyholder dividends in 1898.3

Corporate structure

Nippon Life Insurance Company sits at the top of its group. 204 entities, 27 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Nippon Life Insurance Company reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Products and brands

  • insurance

Listed on Wikidata.1

Subsidiaries and ownership

Subsidiaries

Also owns

From Wikidata.1

Timeline

  1. 1889Founded Founded1

Filings

28 filings to the SEC since October 2021: 28 other. The latest 20:

  1. Aug 21, 2026N-PX/A EDGAR
  2. Aug 13, 2026N-PX EDGAR
  3. Jul 13, 202613F-HR EDGAR
  4. Apr 14, 202613F-HR EDGAR
  5. Jan 22, 202613F-HR EDGAR
  6. Nov 4, 202513F-HR EDGAR
  7. Aug 19, 2025N-PX/A EDGAR
  8. Aug 14, 2025N-PX/A EDGAR
  9. Aug 12, 2025N-PX EDGAR
  10. Jul 15, 202513F-HR EDGAR
  11. Apr 11, 202513F-HR EDGAR
  12. Jan 21, 202513F-HR EDGAR
  13. Oct 15, 202413F-HR EDGAR
  14. Aug 30, 2024N-PX/A EDGAR
  15. Aug 27, 2024N-PX EDGAR
  16. Jul 17, 202413F-HR EDGAR
  17. Apr 15, 202413F-HR EDGAR
  18. Jan 23, 202413F-HR/A EDGAR
  19. Jan 18, 202413F-HR EDGAR
  20. Oct 16, 202313F-HR EDGAR

The 28 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last five years, summarized. The full record is on SEC EDGAR.

SEC filer profile

How Nippon Life Insurance Company is registered with the Securities and Exchange Commission, from its EDGAR record and the cover page of its latest annual report.

  • Name on EDGARNIPPON LIFE INSURANCE CO2
  • CIK0000905591
  • Incorporated inJapan2
  • Fiscal year endsMarch 312
  • Business address1-6-6 Marunouchi, Chiyoda-Ku, Tokyo, M0 100-82882
  • Phone813553392922
  • On EDGAR sinceJun 10, 19942
  • Filings160 in all: 13F-HR (111), 4 (26), SCHEDULE 13D/A (5), N-PX/A (4), 13F-HR/A (3), 3 (3), N-PX (3), SC 13G (2)2
    All 10 form types

    SC 13G/A (2), SC 13D (1)

Sources

The numbers on this page point here. Each one links to the record it came from.

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