Who has been buying Tokyo Century Corporation stock?

10 distinct investors have filed 2 disclosed large-shareholding filings in Tokyo Century Corporation (8439), most recently on 2026-03-19. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.

How many insider filings does Tokyo Century Corporation have?

Tokyo Century Corporation has 2 buy-side and 4 sell-side disclosures on record, covering ¥3.9B ($25.3M) in total reported value, spanning 2021-04-05 to 2026-03-19.

Where does StockDrifts get Tokyo Century Corporation insider data?

From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.

Do insider buys in Japanese stocks predict returns?

Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Tokyo Century Corporation 8439

Company

東京センチュリー株式会社Tokyo Century Corporation

Investors

Buys

Total Value

¥3.9B ($25.3M)

Avg Return

+19.71%

Last Filing

2026-03-19

Tokyo Century Corporation (8439) has 2 disclosed large-shareholding filings and 4 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥3.9B ($25.3M) in reported transaction value. The earliest filing StockDrifts holds for Tokyo Century Corporation is dated 2021-04-05; the most recent is 2026-03-19. All of it is parsed from EDINET large-shareholding (5%+) reports, the official disclosure system operated by the Financial Services Agency (Japan). Across these filings the average return since disclosure is +19.71%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2026-03-19	BUY	unknown	中央日土地ソリューションズ株式会社	other	2.4M	¥2,091.5	-1.3%	¥5.0B ($32.5M)
2026-03-19	BUY	unknown	中央日本土地建物株式会社	other	68.6M	¥2,091.5	-1.3%	¥145.4B ($938.2M)
2025-11-10	BUY	unknown	NTT株式会社 NTT, Inc.	strategic	49.2M	¥1,924.5	+10.1%	¥94.7B ($611.0M)
2025-10-03	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	2.4M	¥1,827.5	+15.9%	¥4.3B ($28.1M)
2025-10-03	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	68.6M	¥1,827.5	+15.9%	¥125.4B ($809.3M)
2025-03-19	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	68.6M	¥1,551	+36.6%	¥106.5B ($686.9M)
2025-03-19	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	2.4M	¥1,551	+36.6%	¥3.7B ($23.8M)
2024-09-06	BUY	unknown	みずほリサーチ&テクノロジーズ株式会社 Mizuho Research & Technologies Co., Ltd.	corporate	1.2M	¥1,709	+24.0%	¥2.0B ($12.9M)
2024-09-06	SELL	unknown	みずほ総合研究所株式会社 Mizuho Research Institute Co., Ltd.	unknown	0	¥1,709	-24.0%	¥2.0B ($13.0M)
2024-09-06	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	4.6M	¥1,709	-24.0%	¥3.2B ($20.6M)
2024-09-06	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	strategic	1.5M	¥1,709	+24.0%	¥1.3B ($8.1M)
2024-09-06	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	strategic	1.3M	¥1,709	-24.0%	¥84M ($543K)
2024-09-06	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	18.8M	¥1,709	+24.0%	¥32.0B ($206.8M)
2022-03-30	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,148.75	+84.4%	¥684M ($4.4M)
2022-03-30	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,148.75	+84.4%	¥19.7B ($127.2M)
2022-03-28	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,156.25	+83.2%	¥688M ($4.4M)
2022-03-28	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,156.25	+83.2%	¥688M ($4.4M)
2022-03-28	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,156.25	+83.2%	¥688M ($4.4M)
2022-03-28	BUY	unknown	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,156.25	+83.2%	¥688M ($4.4M)
2022-03-28	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,156.25	+83.2%	¥19.8B ($128.0M)
2022-03-28	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,156.25	+83.2%	¥19.8B ($128.0M)
2022-03-28	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,156.25	+83.2%	¥19.8B ($128.0M)
2022-03-28	BUY	unknown	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,156.25	+83.2%	¥19.8B ($128.0M)
2021-04-05	SELL	Market Buy	中央不動産株式会社 Chuo Real Estate Co.,Ltd.	unknown	0	¥1,835	-15.4%	¥2.7B ($17.2M)
2021-04-05	BUY	Market Buy	中央日土地ソリューションズ株式会社 Chuo Nichi Land Solutions Co., Ltd.	other	595.0K	¥1,835	+15.4%	¥1.1B ($7.0M)
2021-04-05	BUY	Market Buy	中央日本土地建物株式会社 Chuo-Nittochi Co., Ltd.	other	17.2M	¥1,835	+15.4%	¥2.7B ($17.2M)

Frequently asked questions

Who has been buying Tokyo Century Corporation stock?: 10 distinct investors have filed 2 disclosed large-shareholding filings in Tokyo Century Corporation (8439), most recently on 2026-03-19. Each filer, their role, the number of shares and the price at filing are listed in the table on this page.
How many insider filings does Tokyo Century Corporation have?: Tokyo Century Corporation has 2 buy-side and 4 sell-side disclosures on record, covering ¥3.9B ($25.3M) in total reported value, spanning 2021-04-05 to 2026-03-19.
Where does StockDrifts get Tokyo Century Corporation insider data?: From EDINET large-shareholding (5%+) reports — the official filing system run by the Financial Services Agency (Japan). StockDrifts parses each disclosure and matches it to daily price history; the original filings remain available directly from EDINET.
Do insider buys in Japanese stocks predict returns?: Not uniformly. StockDrifts scored 101,000+ Japanese large-shareholding filings on fixed 12-month forward returns and found the predictive power concentrated in specific filer types and filing patterns rather than spread evenly across all disclosures.

Source filings

Every trade listed above is disclosed in EDINET large-shareholding (5%+) reports, filed with the Financial Services Agency (Japan). View the original EDINET filings for Tokyo Century Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.