Who has been buying Taikisha Ltd. stock?

11 distinct investors have filed 15 disclosed large-shareholding filings in Taikisha Ltd. (1979), most recently on 2025-09-19. 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 Taikisha Ltd. have?

Taikisha Ltd. has 15 buy-side and 15 sell-side disclosures on record, covering ¥11.2B ($72.4M) in total reported value, spanning 2022-03-22 to 2025-09-19.

Where does StockDrifts get Taikisha Ltd. 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.

Taikisha Ltd. 1979

Company

株式会社大気社Taikisha Ltd.

Investors

Buys

Total Value

¥11.2B ($72.4M)

Avg Return

+86.12%

Last Filing

2025-09-19

Taikisha Ltd. (1979) has 15 disclosed large-shareholding filings and 15 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥11.2B ($72.4M) in reported transaction value. The earliest filing StockDrifts holds for Taikisha Ltd. is dated 2022-03-22; the most recent is 2025-09-19. 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 +86.12%, 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
2025-09-19	SELL	unknown	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	2.3M	¥2,896	-20.5%	¥875M ($5.6M)
2025-09-19	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.7M	¥2,896	-20.5%	¥195M ($1.3M)
2024-08-21	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	1.6M	¥2,362.5	-47.7%	¥817M ($5.3M)
2024-05-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	985.1K	¥2,540	+37.4%	¥2.5B ($16.1M)
2024-05-22	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	149.5K	¥2,540	+37.4%	¥380M ($2.4M)
2024-05-22	BUY	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	659.3K	¥2,540	+37.4%	¥1.7B ($10.8M)
2024-05-21	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	1.9M	¥2,545	-37.1%	¥1000M ($6.5M)
2024-05-08	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	2.3M	¥2,337.5	-49.3%	¥1.1B ($6.8M)
2024-04-19	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥2,275	-53.4%	¥23M ($148K)
2024-04-19	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	886.8K	¥2,275	-53.4%	¥749M ($4.8M)
2024-02-21	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	2.8M	¥2,402.5	-45.3%	¥984M ($6.4M)
2024-02-07	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	506.7K	¥2,242.5	-55.6%	¥723M ($4.7M)
2024-02-07	BUY	unknown	みずほ信託銀行株式会社 Mizuho Trust & Banking Co., Ltd.	other	149.9K	¥2,242.5	+55.6%	¥8M ($49K)
2024-02-07	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	1.0K	¥2,242.5	-55.6%	¥75M ($486K)
2024-02-07	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	659.3K	¥2,242.5	-55.6%	¥23M ($146K)
2023-12-13	SELL	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	3.2M	¥2,080	-67.8%	¥859M ($5.5M)
2023-12-13	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	3.2M	¥2,080	+67.8%	¥859M ($5.5M)
2023-03-29	BUY	Market Buy	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	3.6M	¥1,860	+87.6%	¥662M ($4.3M)
2023-03-06	BUY	Market Buy	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	3.6M	¥1,817.5	+92.0%	¥653M ($4.2M)
2023-03-06	BUY	unknown	インベスコ・アセット・マネジメント株式会社 Invesco Asset Management (Japan) Limited	other	3.6M	¥1,817.5	+92.0%	¥653M ($4.2M)
2023-02-20	BUY	unknown	松田吉弘 Yoshihiro Matsuda	strategic	72.8K	¥1,757.5	+98.6%	¥128M ($825K)
2023-02-20	BUY	unknown	松田吉弘 Yoshihiro Matsuda	strategic	72.8K	¥1,757.5	+98.6%	¥128M ($825K)
2023-02-20	BUY	unknown	株式会社建材社 Kenzaisha Ltd.	strategic	1.7M	¥1,757.5	+98.6%	¥3.0B ($19.6M)
2023-02-20	BUY	unknown	株式会社建材社 Kenzaisha Ltd.	strategic	1.7M	¥1,757.5	+98.6%	¥3.0B ($19.6M)
2023-01-06	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.3M	¥1,637.5	+113.1%	¥2.1B ($13.6M)
2023-01-06	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	27.2K	¥1,637.5	-113.1%	¥57M ($371K)
2022-11-07	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	63.9K	¥1,757.5	+98.6%	¥112M ($725K)
2022-11-07	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.7M	¥1,757.5	+98.6%	¥3.0B ($19.6M)
2022-09-06	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥1,577.5	-121.2%	¥144M ($928K)
2022-09-06	SELL	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.3M	¥1,577.5	-121.2%	¥410M ($2.6M)
2022-03-22	BUY	Market Buy	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.5M	¥1,587.5	+119.8%	¥568M ($3.7M)
2022-03-22	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥1,587.5	+119.8%	¥11M ($72K)

Frequently asked questions

Who has been buying Taikisha Ltd. stock?: 11 distinct investors have filed 15 disclosed large-shareholding filings in Taikisha Ltd. (1979), most recently on 2025-09-19. 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 Taikisha Ltd. have?: Taikisha Ltd. has 15 buy-side and 15 sell-side disclosures on record, covering ¥11.2B ($72.4M) in total reported value, spanning 2022-03-22 to 2025-09-19.
Where does StockDrifts get Taikisha Ltd. 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 Taikisha Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.