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

7 distinct investors have filed 10 disclosed large-shareholding filings in Altech Co., Ltd. (9972), most recently on 2024-04-15. 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 Altech Co., Ltd. have?

Altech Co., Ltd. has 10 buy-side and 7 sell-side disclosures on record, covering ¥1.6B ($10.5M) in total reported value, spanning 2021-05-17 to 2024-04-15.

Where does StockDrifts get Altech 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.

Altech Co., Ltd. 9972

Company

アルテック株式会社Altech Co., Ltd.

Investors

Buys

Total Value

¥1.6B ($10.5M)

Avg Return

-15.46%

Last Filing

2024-04-15

Altech Co., Ltd. (9972) has 10 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.6B ($10.5M) in reported transaction value. The earliest filing StockDrifts holds for Altech Co., Ltd. is dated 2021-05-17; the most recent is 2024-04-15. 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 -15.46%, 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
2024-04-15	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	28.3K	¥288	+5.6%	¥12M ($76K)
2024-04-15	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.9K	¥288	-5.6%	¥146M ($940K)
2024-04-15	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	153.9K	¥288	+5.6%	¥38M ($242K)
2022-10-03	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	70.0K	¥331	-17.8%	¥23M ($149K)
2022-10-03	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	285.1K	¥331	-17.8%	¥94M ($609K)
2022-10-03	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.9K	¥331	-17.8%	¥167M ($1.1M)
2021-08-27	SELL	Market Buy	株式会社アルミネ Almine Co., Ltd.	passive	391.0K	¥316	+13.9%	¥43M ($280K)
2021-08-27	BUY	Market Buy	竹内正明(相続人代表竹内猛) Masaaki Takeuchi (Heir Representative Takeuchi Takeuchi)	passive	915.0K	¥316	-13.9%	¥283M ($1.8M)
2021-07-01	BUY	Market Buy	竹内猛 Takeuchi Takeuchi	passive	915.0K	¥333	-18.3%	¥299M ($1.9M)
2021-07-01	BUY	Market Buy	竹内猛 Takeuchi Takeuchi	passive	915.0K	¥333	-18.3%	¥299M ($1.9M)
2021-06-09	BUY	Market Buy	株式会社アルミネ Almine Co., Ltd.	passive	391.0K	¥337	-19.3%	¥132M ($850K)
2021-06-09	SELL	Market Buy	竹内正明(相続人代表竹内猛) Masaaki Takeuchi (Heir Representative Takeuchi Takeuchi)	passive	0	¥337	+19.3%	¥309M ($2.0M)
2021-06-09	BUY	Market Buy	株式会社アルミネ Almine Co., Ltd.	passive	391.0K	¥337	-19.3%	¥132M ($850K)
2021-06-09	SELL	Market Buy	竹内正明(相続人代表竹内猛) Masaaki Takeuchi (Heir Representative Takeuchi Takeuchi)	passive	0	¥337	+19.3%	¥309M ($2.0M)
2021-06-09	SELL	Market Buy	竹内正明 Masaaki Takeuchi	passive	0	¥337	+19.3%	¥6M ($41K)
2021-06-09	BUY	Market Buy	竹内猛 TAKESHI TAKEUCHI	passive	915.0K	¥337	-19.3%	¥308M ($2.0M)
2021-06-09	BUY	Market Buy	竹内猛 TAKESHI TAKEUCHI	passive	915.0K	¥337	-19.3%	¥308M ($2.0M)
2021-06-09	BUY	Market Buy	竹内猛 TAKESHI TAKEUCHI	passive	915.0K	¥337	-19.3%	¥308M ($2.0M)
2021-05-19	BUY	acquisition	竹内猛 TAKESHI TAKEUCHI	passive	915.0K	¥317	-14.2%	¥290M ($1.9M)
2021-05-19	BUY	Market Buy	竹内猛 TAKESHI TAKEUCHI	passive	915.0K	¥317	-14.2%	¥290M ($1.9M)
2021-05-17	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	24.0K	¥306	-11.1%	¥1M ($8K)
2021-05-17	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	62.6K	¥306	-11.1%	¥4M ($23K)
2021-05-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	337.5K	¥306	+11.1%	¥64M ($413K)
2021-05-17	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.9K	¥306	-11.1%	¥155M ($999K)

Frequently asked questions

Who has been buying Altech Co., Ltd. stock?: 7 distinct investors have filed 10 disclosed large-shareholding filings in Altech Co., Ltd. (9972), most recently on 2024-04-15. 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 Altech Co., Ltd. have?: Altech Co., Ltd. has 10 buy-side and 7 sell-side disclosures on record, covering ¥1.6B ($10.5M) in total reported value, spanning 2021-05-17 to 2024-04-15.
Where does StockDrifts get Altech 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 Altech Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.