Who has been buying Kitazawa Sangyo Co., Ltd. stock?

7 distinct investors have filed 24 disclosed large-shareholding filings in Kitazawa Sangyo Co., Ltd. (9930), most recently on 2025-11-14. 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 Kitazawa Sangyo Co., Ltd. have?

Kitazawa Sangyo Co., Ltd. has 24 buy-side and 9 sell-side disclosures on record, covering ¥1.3B ($8.6M) in total reported value, spanning 2021-03-23 to 2025-11-14.

Where does StockDrifts get Kitazawa Sangyo 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.

Kitazawa Sangyo Co., Ltd. 9930

Company

北沢産業株式会社Kitazawa Sangyo Co., Ltd.

Investors

Buys

Total Value

¥1.3B ($8.6M)

Avg Return

+6.81%

Last Filing

2025-11-14

Kitazawa Sangyo Co., Ltd. (9930) has 24 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.3B ($8.6M) in reported transaction value. The earliest filing StockDrifts holds for Kitazawa Sangyo Co., Ltd. is dated 2021-03-23; the most recent is 2025-11-14. 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 +6.81%, 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
2025-11-14	SELL	unknown	北沢持株会理事長杉山肇 HAJIME SUGIYAMA	strategic	1.7M	¥366	+4.1%	¥105M ($675K)
2025-11-14	BUY	unknown	北沢持株会理事長杉山肇 HAJIME SUGIYAMA	strategic	1.7M	¥366	-4.1%	¥105M ($675K)
2025-09-26	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	1.1M	¥371	-5.4%	¥30M ($194K)
2025-09-26	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥371	-5.4%	¥518M ($3.3M)
2025-09-26	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥371	-5.4%	¥429M ($2.8M)
2025-08-27	BUY	Market Buy	北沢持株会理事長杉山肇 HAJIME SUGIYAMA	strategic	1.9M	¥365	-3.8%	¥88M ($566K)
2025-05-23	BUY	Market Buy	有限会社あさしお Asashio.co.ltd	passive	463.2K	¥380	-7.6%	¥4M ($23K)
2025-05-23	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	other	1.4M	¥380	-7.6%	¥548M ($3.5M)
2025-04-23	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥367	-4.4%	¥513M ($3.3M)
2025-04-23	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	1.1M	¥367	-4.4%	¥92M ($592K)
2025-04-23	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥367	-4.4%	¥425M ($2.7M)
2025-04-14	BUY	Market Buy	有限会社あさしお Asashio.co.ltd	passive	453.5K	¥341	+2.9%	¥80M ($519K)
2025-04-14	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.4M	¥341	+2.9%	¥11M ($68K)
2025-02-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥351	+0.0%	¥406M ($2.6M)
2025-02-07	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	810.9K	¥351	+0.0%	¥86M ($556K)
2025-02-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥351	+0.0%	¥490M ($3.2M)
2025-01-10	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.4M	¥351	+0.0%	¥116M ($750K)
2025-01-10	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.4M	¥351	+0.0%	¥116M ($750K)
2025-01-10	SELL	Market Buy	有限会社あさしお Asashio.co.ltd	passive	217.9K	¥351	+0.0%	¥53M ($340K)
2025-01-10	SELL	Market Buy	有限会社あさしお Asashio.co.ltd	passive	217.9K	¥351	+0.0%	¥53M ($340K)
2024-11-25	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	563.4K	¥355	-1.1%	¥85M ($551K)
2024-11-25	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥355	-1.1%	¥496M ($3.2M)
2024-11-25	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥355	-1.1%	¥411M ($2.6M)
2024-10-29	BUY	Market Buy	有限会社あさしお Asashio.co.ltd	passive	365.8K	¥342	+2.6%	¥74M ($478K)
2024-10-29	BUY	Market Buy	有限会社あさしお Asashio.co.ltd	passive	365.8K	¥342	+2.6%	¥74M ($478K)
2024-10-29	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.1M	¥342	+2.6%	¥9M ($58K)
2024-10-29	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.1M	¥342	+2.6%	¥9M ($58K)
2024-09-11	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	325.0K	¥355	-1.1%	¥85M ($551K)
2024-09-11	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥355	-1.1%	¥496M ($3.2M)
2024-09-11	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥355	-1.1%	¥411M ($2.6M)
2024-08-07	BUY	Market Buy	有限会社あさしお Asashio.co.ltd	passive	150.6K	¥317	+10.7%	¥48M ($308K)
2024-08-07	BUY	Market Buy	株式会社UH Partners 3 UH Partners 3 Co., Ltd.	passive	83.9K	¥317	+10.7%	¥27M ($172K)
2024-08-07	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.4M	¥317	+10.7%	¥52M ($336K)
2024-08-07	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥317	+10.7%	¥367M ($2.4M)
2024-08-07	BUY	Market Buy	株式会社テンポスホールディングス TENPOS HOLDINGS Co.,Ltd.	passive	1.1M	¥317	+10.7%	¥334M ($2.2M)
2024-07-01	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	1.2M	¥354	-0.8%	¥95M ($615K)
2024-07-01	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥354	-0.8%	¥410M ($2.6M)
2024-06-04	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	961.9K	¥367	-4.4%	¥94M ($609K)
2024-06-04	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥367	-4.4%	¥425M ($2.7M)
2024-02-19	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	705.6K	¥325	+8.0%	¥89M ($574K)
2024-02-19	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥325	+8.0%	¥376M ($2.4M)
2023-06-28	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	431.9K	¥414	+15.2%	¥107M ($693K)
2023-06-28	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥414	-15.2%	¥479M ($3.1M)
2023-05-19	BUY	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥404	-13.1%	¥467M ($3.0M)
2023-05-19	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	unknown	0	¥404	+13.1%	¥78M ($503K)
2023-05-19	SELL	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	690.1K	¥404	+13.1%	¥42M ($273K)
2023-05-15	SELL	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	193.9K	¥437	+19.7%	¥42M ($269K)
2023-05-15	BUY	Market Buy	株式会社UH Partners 2 UH Partners 2, Inc.	passive	796.0K	¥437	-19.7%	¥348M ($2.2M)
2023-05-15	SELL	Market Buy	光通信株式会社 Hikari Tsushin K.K.	passive	1.2M	¥437	+19.7%	¥102M ($658K)
2022-01-18	BUY	Market Buy	株式会社エスアイエル SIL Co., Ltd.	passive	289.1K	¥235	+49.4%	¥68M ($438K)

Showing the 50 most recent of 59 filings.

Frequently asked questions

Who has been buying Kitazawa Sangyo Co., Ltd. stock?: 7 distinct investors have filed 24 disclosed large-shareholding filings in Kitazawa Sangyo Co., Ltd. (9930), most recently on 2025-11-14. 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 Kitazawa Sangyo Co., Ltd. have?: Kitazawa Sangyo Co., Ltd. has 24 buy-side and 9 sell-side disclosures on record, covering ¥1.3B ($8.6M) in total reported value, spanning 2021-03-23 to 2025-11-14.
Where does StockDrifts get Kitazawa Sangyo 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 Kitazawa Sangyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.