Who has been buying Ohmoto Gumi Co., Ltd. stock?

4 distinct investors have filed 9 disclosed large-shareholding filings in Ohmoto Gumi Co., Ltd. (1793), most recently on 2025-07-30. 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 Ohmoto Gumi Co., Ltd. have?

Ohmoto Gumi Co., Ltd. has 9 buy-side and 6 sell-side disclosures on record, covering ¥4.2B ($27.0M) in total reported value, spanning 2021-10-04 to 2025-07-30.

Where does StockDrifts get Ohmoto Gumi 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.

Ohmoto Gumi Co., Ltd. 1793

Company

株式会社大本組Ohmoto Gumi Co., Ltd.

Investors

Buys

Total Value

¥4.2B ($27.0M)

Avg Return

+38.06%

Last Filing

2025-07-30

Ohmoto Gumi Co., Ltd. (1793) has 9 disclosed large-shareholding filings and 6 disclosed disposals on record, filed by 4 distinct investors. Together those filings cover ¥4.2B ($27.0M) in reported transaction value. The earliest filing StockDrifts holds for Ohmoto Gumi Co., Ltd. is dated 2021-10-04; the most recent is 2025-07-30. 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 +38.06%, 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
2026-07-24	BUY	unknown	公益財団法人大本育英会代表理事富塚照彦 ohmotoikueikai public interest incorporated foundation	other	6.1M	¥2,060	-1.5%	¥3.7B ($24.0M)
2026-07-24	BUY	Market Buy	公益財団法人大本育英会 ohmotoikueikai public interest incorporated foundation	other	6.1M	¥2,060	-1.5%	¥3.7B ($24.0M)
2025-07-30	BUY	Market Buy	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	1.6M	¥1,264	+29.6%	¥264M ($1.7M)
2025-07-30	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	1.6M	¥1,264	+29.6%	¥264M ($1.7M)
2025-07-30	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	1.6M	¥1,264	+29.6%	¥264M ($1.7M)
2025-07-30	BUY	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	8.3M	¥1,264	+29.6%	¥1.4B ($8.8M)
2025-07-30	BUY	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	8.3M	¥1,264	+29.6%	¥1.4B ($8.8M)
2025-07-30	BUY	Market Buy	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	8.3M	¥1,264	+29.6%	¥1.4B ($8.8M)
2025-02-17	SELL	unknown	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	0	¥1,226	-33.6%	¥1.8B ($11.8M)
2023-10-05	BUY	Market Buy	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	497.0K	¥1,229.5	+33.2%	¥98M ($631K)
2023-02-09	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	268.1K	¥1,111.67	+47.4%	¥298M ($1.9M)
2023-02-09	BUY	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	1.4M	¥1,111.67	+47.4%	¥1.5B ($9.9M)
2023-01-25	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	268.1K	¥1,063.33	+54.0%	¥285M ($1.8M)
2023-01-25	SELL	unknown	大本万平相続人代表大本つかさ Manpei Omoto Heir Representative Tsukasa Omoto	strategic	0	¥1,063.33	-54.0%	¥46M ($299K)
2023-01-25	SELL	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	1.4M	¥1,063.33	-54.0%	¥170M ($1.1M)
2023-01-25	SELL	unknown	大本万平相続人代表大本つかさ Manpei Omoto Heir Representative Tsukasa Omoto	other	0	¥1,063.33	-54.0%	¥46M ($299K)
2023-01-25	BUY	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	1.4M	¥1,063.33	+54.0%	¥1.5B ($9.5M)
2023-01-25	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	268.1K	¥1,063.33	+54.0%	¥285M ($1.8M)
2022-12-14	BUY	unknown	大本万平相続人代表大本つかさ Manpei Omoto Heir Representative Tsukasa Omoto	other	43.8K	¥1,081.67	+51.4%	¥47M ($306K)
2022-12-14	SELL	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	1.4M	¥1,081.67	-51.4%	¥173M ($1.1M)
2022-12-14	SELL	unknown	株式会社OHMOTOホールディングス OHMOTO HOLDINGS CO.,LTD.	strategic	1.4M	¥1,081.67	-51.4%	¥173M ($1.1M)
2022-12-14	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	268.1K	¥1,081.67	+51.4%	¥290M ($1.9M)
2022-12-14	BUY	unknown	大本万平相続人代表大本つかさ Manpei Omoto Heir Representative Tsukasa Omoto	strategic	43.8K	¥1,081.67	+51.4%	¥47M ($306K)
2022-12-14	BUY	unknown	有限会社大百興産 Daihyaku Kosan Co., Ltd.	strategic	268.1K	¥1,081.67	+51.4%	¥290M ($1.9M)
2022-11-29	BUY	Market Buy	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	activist	417.3K	¥1,001.67	+63.5%	¥160M ($1.0M)
2021-10-04	BUY	Market Buy	ブラッククローバーリミテッド(Black Clover Limited) Black Clover Limited	passive	257.7K	¥973.33	+68.3%	¥251M ($1.6M)

Frequently asked questions

Who has been buying Ohmoto Gumi Co., Ltd. stock?: 4 distinct investors have filed 9 disclosed large-shareholding filings in Ohmoto Gumi Co., Ltd. (1793), most recently on 2025-07-30. 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 Ohmoto Gumi Co., Ltd. have?: Ohmoto Gumi Co., Ltd. has 9 buy-side and 6 sell-side disclosures on record, covering ¥4.2B ($27.0M) in total reported value, spanning 2021-10-04 to 2025-07-30.
Where does StockDrifts get Ohmoto Gumi 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 Ohmoto Gumi Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.