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

12 distinct investors have filed 6 disclosed large-shareholding filings in Takuma Co., Ltd. (6013), most recently on 2026-04-22. 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 Takuma Co., Ltd. have?

Takuma Co., Ltd. has 6 buy-side and 10 sell-side disclosures on record, covering ¥10.4B ($67.0M) in total reported value, spanning 2021-03-22 to 2026-04-22.

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.

Takuma Co., Ltd. 6013

Company

株式会社タクマTakuma Co., Ltd.

Investors

Buys

Total Value

¥10.4B ($67.0M)

Avg Return

+45.75%

Last Filing

2026-04-22

Takuma Co., Ltd. (6013) has 6 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 12 distinct investors. Together those filings cover ¥10.4B ($67.0M) in reported transaction value. The earliest filing StockDrifts holds for Takuma Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-22. Across these filings the average return since disclosure is +45.75%, 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
2026-09-08	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	3.7M	¥2,965	-2.2%	¥1.9B ($12.3M)
2026-08-21	BUY	Market Buy	株式会社みずほ銀行	strategic	3.5M	¥3,105	-2.4%	¥940M ($6.1M)
2026-08-21	BUY	unknown	みずほ証券株式会社	other	192.7K	¥3,105	-	¥598M ($3.9M)
2026-08-21	BUY	unknown	みずほ信託銀行株式会社	other	150.0K	¥3,105	-	¥466M ($3.0M)
2026-08-21	BUY	Market Buy	アセットマネジメントOne株式会社	other	1.4M	¥3,105	-2.4%	¥517M ($3.3M)
2026-07-23	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	4.0M	¥3,400	+10.9%	¥3.1B ($20.1M)
2026-04-22	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	4.9M	¥2,755	+10.0%	¥2.1B ($13.5M)
2026-03-23	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	4.4M	¥2,702	+12.1%	¥11.9B ($76.9M)
2025-09-29	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	4.6M	¥2,242	+35.1%	¥1.3B ($8.5M)
2024-12-11	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	4.2M	¥1,638	+85.0%	¥6.8B ($44.0M)
2024-11-13	SELL	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	3.3M	¥1,614	-87.7%	¥1.4B ($9.3M)
2024-03-25	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	3.5M	¥1,909	-58.7%	¥1.1B ($7.0M)
2024-03-25	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.3M	¥1,909	-58.7%	¥539M ($3.5M)
2022-09-20	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.0M	¥1,300	-	-
2022-09-20	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.0M	¥1,300	-133.1%	¥1.2B ($8.0M)
2022-09-20	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	586.7K	¥1,300	-	-
2022-03-30	BUY	unknown	グッドハートパートナーズエルエルピー(Goodhart Partners LLP) Goodhart Partners LLP	other	4.2M	¥1,458	+107.8%	¥6.1B ($39.5M)
2022-03-23	SELL	unknown	株式会社みずほ銀行 Mizuho Bank, Ltd.	strategic	4.0M	¥1,567	-93.4%	¥169M ($1.1M)
2022-03-23	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	1.6M	¥1,567	-93.4%	¥1.2B ($7.6M)
2021-06-21	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	1.0M	¥1,684	-	-
2021-06-21	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	3.0M	¥1,684	-79.9%	¥1.5B ($9.6M)
2021-06-21	SELL	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	590.8K	¥1,684	-79.9%	¥140M ($902K)
2021-06-04	BUY	Market Buy	コロンビア・マネジメント・インベストメント・アドバイザーズ・エルエルシー(Columbia Management Investment Advisers Columbia Management Investment Advisers, LLC	passive	2.5M	¥1,795	+68.8%	¥864M ($5.6M)
2021-06-04	SELL	Market Buy	スレッドニードル・アセット・マネジメント・リミテッド Threadneedle Asset Management Limited	passive	1.3M	¥1,795	-68.8%	¥1.7B ($10.9M)
2021-03-22	SELL	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	2.2M	¥2,152.81	-40.8%	¥2.0B ($13.1M)
2021-03-22	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.6M	¥2,152.81	-	-

Frequently asked questions

Who has been buying Takuma Co., Ltd. stock?: 12 distinct investors have filed 6 disclosed large-shareholding filings in Takuma Co., Ltd. (6013), most recently on 2026-04-22. 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 Takuma Co., Ltd. have?: Takuma Co., Ltd. has 6 buy-side and 10 sell-side disclosures on record, covering ¥10.4B ($67.0M) in total reported value, spanning 2021-03-22 to 2026-04-22.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.