Who has been buying Tanseisha Co., Ltd. stock?

10 distinct investors have filed 25 disclosed large-shareholding filings in Tanseisha Co., Ltd. (9743), most recently on 2025-05-09. 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 Tanseisha Co., Ltd. have?

Tanseisha Co., Ltd. has 25 buy-side and 14 sell-side disclosures on record, covering ¥17.3B ($111.4M) in total reported value, spanning 2021-06-04 to 2025-05-09.

Where does StockDrifts get Tanseisha Co., 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.

Tanseisha Co., Ltd. 9743

Company

株式会社丹青社Tanseisha Co., Ltd.

Investors

Buys

Total Value

¥17.3B ($111.4M)

Avg Return

+73.68%

Last Filing

2025-05-09

Tanseisha Co., Ltd. (9743) has 25 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 10 distinct investors. Together those filings cover ¥17.3B ($111.4M) in reported transaction value. The earliest filing StockDrifts holds for Tanseisha Co., Ltd. is dated 2021-06-04; the most recent is 2025-05-09. 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 +73.68%, 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
2025-05-09	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.3M	¥1,036	+45.9%	¥20M ($129K)
2025-05-09	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	228.2K	¥1,036	-45.9%	¥687M ($4.4M)
2025-05-09	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	376.1K	¥1,036	+45.9%	¥8.0B ($51.8M)
2025-04-22	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	889.4K	¥1,055	+43.2%	¥938M ($6.1M)
2025-04-22	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.3M	¥1,055	-43.2%	¥10M ($66K)
2025-04-22	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	298.7K	¥1,055	+43.2%	¥315M ($2.0M)
2025-04-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	894.4K	¥1,042	-45.0%	¥843M ($5.4M)
2025-04-21	BUY	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	945.1K	¥1,042	+45.0%	¥985M ($6.4M)
2025-04-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	1.3M	¥966	+56.4%	¥1.3B ($8.4M)
2025-04-07	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	892.2K	¥966	+56.4%	¥862M ($5.6M)
2025-04-07	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	299.5K	¥966	+56.4%	¥289M ($1.9M)
2025-04-04	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.7M	¥1,021	-48.0%	¥578M ($3.7M)
2025-04-04	BUY	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	944.4K	¥1,021	+48.0%	¥30M ($191K)
2025-02-04	SELL	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	1.8M	¥887	-70.3%	¥644M ($4.2M)
2025-02-03	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	150.9K	¥901	+67.7%	¥22M ($141K)
2025-02-03	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	291.5K	¥901	+67.7%	¥39M ($253K)
2025-02-03	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	857.8K	¥901	-67.7%	¥314M ($2.0M)
2025-02-03	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	339.0K	¥901	-67.7%	¥1.0B ($6.6M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.5M	¥953	+58.5%	¥1.4B ($9.1M)
2024-07-29	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	126.7K	¥953	+58.5%	¥121M ($779K)
2024-07-29	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	247.2K	¥953	+58.5%	¥9M ($60K)
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.2M	¥953	-58.5%	¥148M ($953K)
2024-04-19	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.3M	¥868	+74.1%	¥172M ($1.1M)
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	913.1K	¥868	-74.1%	¥471M ($3.0M)
2024-03-04	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.5M	¥796	+89.8%	¥1.2B ($7.6M)
2024-03-04	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	26.8K	¥796	+89.8%	¥2.0B ($13.0M)
2024-03-04	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	237.8K	¥796	-89.8%	¥4M ($25K)
2024-03-04	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.4M	¥796	-89.8%	¥127M ($821K)
2023-10-30	BUY	negotiated	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	368.6K	¥849	+78.0%	¥313M ($2.0M)
2023-10-30	SELL	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	241.0K	¥849	-78.0%	¥107M ($690K)
2023-10-30	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.5M	¥849	+78.0%	¥292M ($1.9M)
2023-10-30	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.5M	¥849	+78.0%	¥1.3B ($8.1M)
2023-06-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	2.0M	¥805	+87.7%	¥1.6B ($10.3M)
2023-06-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	377.8K	¥805	-87.7%	¥35M ($226K)
2023-02-22	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.1M	¥711	+112.5%	¥2.2B ($14.1M)
2023-02-22	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	421.6K	¥711	+112.5%	¥155M ($1000K)
2022-09-06	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	2.1M	¥786	+92.2%	¥274M ($1.8M)
2022-09-06	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	¥786	+92.2%	¥126M ($810K)
2022-06-17	BUY	Market Buy	スパークス・アセット・マネジメント株式会社 SPARX Asset Management Co., Ltd.	passive	2.5M	¥793	+90.5%	¥2.0B ($13.0M)
2022-03-07	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.7M	¥680	+122.2%	¥362M ($2.3M)
2022-03-07	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	204.2K	¥680	-122.2%	¥92M ($595K)
2021-10-22	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.2M	¥930	+62.5%	¥423M ($2.7M)
2021-10-22	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	341.3K	¥930	+62.5%	¥54M ($349K)
2021-07-06	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	1.7M	¥918	+64.6%	¥453M ($2.9M)
2021-07-06	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	1.3M	¥918	+64.6%	¥9M ($57K)
2021-06-04	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.2M	¥907	+66.6%	¥1.1B ($7.2M)
2021-06-04	BUY	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	¥907	+66.6%	¥1.2B ($7.5M)

Frequently asked questions

Who has been buying Tanseisha Co., Ltd. stock?: 10 distinct investors have filed 25 disclosed large-shareholding filings in Tanseisha Co., Ltd. (9743), most recently on 2025-05-09. 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 Tanseisha Co., Ltd. have?: Tanseisha Co., Ltd. has 25 buy-side and 14 sell-side disclosures on record, covering ¥17.3B ($111.4M) in total reported value, spanning 2021-06-04 to 2025-05-09.
Where does StockDrifts get Tanseisha Co., 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 Tanseisha Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.