Who has been buying Maruhachi Securities Co., Ltd. stock?

7 distinct investors have filed 5 disclosed large-shareholding filings in Maruhachi Securities Co., Ltd. (8700), most recently on 2026-03-03. 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 Maruhachi Securities Co., Ltd. have?

Maruhachi Securities Co., Ltd. has 5 buy-side and 11 sell-side disclosures on record, covering ¥3.5B ($22.7M) in total reported value, spanning 2021-04-08 to 2026-03-03.

Where does StockDrifts get Maruhachi Securities 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.

Maruhachi Securities Co., Ltd. 8700

Company

丸八証券株式会社Maruhachi Securities Co., Ltd.

Investors

Buys

Total Value

¥3.5B ($22.7M)

Avg Return

+25.51%

Last Filing

2026-03-03

Maruhachi Securities Co., Ltd. (8700) has 5 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥3.5B ($22.7M) in reported transaction value. The earliest filing StockDrifts holds for Maruhachi Securities Co., Ltd. is dated 2021-04-08; the most recent is 2026-03-03. 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 +25.51%, 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
2026-08-10	SELL	unknown	野村プロパティーズ株式会社	unknown	0	¥1,951	-0.7%	¥424M ($2.7M)
2026-08-10	SELL	unknown	野村證券株式会社	other	24.0K	¥1,951	-0.7%	¥75M ($483K)
2026-03-03	SELL	unknown	野村證券株式会社	other	62.3K	¥1,756	-1.7%	¥111M ($717K)
2026-03-03	BUY	unknown	野村プロパティーズ株式会社	passive	217.7K	¥1,756	-1.7%	¥389M ($2.5M)
2025-07-30	BUY	Market Buy	豊証券株式会社 The Yutaka Securities Co.,LTD.	passive	318.3K	¥1,649	+8.3%	¥525M ($3.4M)
2025-07-30	BUY	Market Buy	豊証券株式会社 The Yutaka Securities Co.,LTD.	passive	318.3K	¥1,649	+8.3%	¥525M ($3.4M)
2025-07-25	SELL	unknown	中村吉孝 Yoshitaka Nakamura	other	200.0K	¥1,590	-12.3%	¥320M ($2.1M)
2025-07-15	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,594	+12.0%	¥347M ($2.2M)
2025-07-15	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	106.9K	¥1,594	-12.0%	¥68M ($441K)
2024-06-10	BUY	Market Buy	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,563	+14.2%	¥340M ($2.2M)
2024-06-10	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	149.7K	¥1,563	+14.2%	¥210M ($1.4M)
2024-06-04	SELL	unknown	中村吉孝 Yoshitaka Nakamura	other	401.5K	¥1,558	-14.6%	¥2.3B ($15.0M)
2024-06-04	BUY	unknown	中村吉孝 Yoshitaka Nakamura	other	401.5K	¥1,558	+14.6%	¥233M ($1.5M)
2024-06-04	BUY	unknown	中村吉孝 Yoshitaka Nakamura	other	401.5K	¥1,558	+14.6%	¥233M ($1.5M)
2024-04-04	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,552	+15.0%	¥338M ($2.2M)
2024-04-04	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	15.4K	¥1,552	-15.0%	¥67M ($429K)
2024-01-09	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,409	+26.7%	¥307M ($2.0M)
2024-01-09	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	58.4K	¥1,409	-26.7%	¥58M ($375K)
2022-10-18	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,410	+26.6%	¥307M ($2.0M)
2022-10-18	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	99.4K	¥1,410	-26.6%	¥57M ($368K)
2022-02-14	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,613	+10.7%	¥351M ($2.3M)
2022-02-14	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	140.0K	¥1,613	+10.7%	¥226M ($1.5M)
2022-02-09	SELL	unknown	中村吉孝 Yoshitaka Nakamura	other	551.2K	¥1,576	-13.3%	¥221M ($1.4M)
2022-02-09	BUY	unknown	中村吉孝 Yoshitaka Nakamura	other	551.2K	¥1,576	+13.3%	¥221M ($1.4M)
2021-12-15	BUY	Market Buy	中村吉孝 Yoshitaka Nakamura	other	691.2K	¥1,400	+27.5%	¥123M ($796K)
2021-12-15	BUY	unknown	中村吉孝 Yoshitaka Nakamura	other	691.2K	¥1,400	+27.5%	¥123M ($796K)
2021-11-15	BUY	unknown	東海東京フィナンシャル・ホールディングス株式会社 Tokai Tokyo Financial Holdings, Inc.	corporate	1.7M	¥1,372	+30.1%	¥2.4B ($15.4M)
2021-11-15	SELL	unknown	エース証券株式会社 ACE SECURITIES CO. , LTD.	unknown	0	¥1,372	-30.1%	¥2.6B ($16.7M)
2021-04-13	SELL	unknown	野村土地建物株式会社 Nomura Land and Building Co., Ltd.	unknown	0	¥1,220	-46.3%	¥265M ($1.7M)
2021-04-08	BUY	unknown	野村プロパティーズ株式会社 Nomura Properties Co., Ltd.	passive	217.7K	¥1,210	+47.5%	¥263M ($1.7M)
2021-04-08	SELL	unknown	野村土地建物株式会社 Nomura Land and Building Co., Ltd.	unknown	0	¥1,210	-47.5%	¥263M ($1.7M)
2021-04-08	BUY	acquisition	野村プロパティーズ株式会社 Nomura Properties, Inc.	passive	217.7K	¥1,210	+47.5%	¥263M ($1.7M)

Frequently asked questions

Who has been buying Maruhachi Securities Co., Ltd. stock?: 7 distinct investors have filed 5 disclosed large-shareholding filings in Maruhachi Securities Co., Ltd. (8700), most recently on 2026-03-03. 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 Maruhachi Securities Co., Ltd. have?: Maruhachi Securities Co., Ltd. has 5 buy-side and 11 sell-side disclosures on record, covering ¥3.5B ($22.7M) in total reported value, spanning 2021-04-08 to 2026-03-03.
Where does StockDrifts get Maruhachi Securities 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 Maruhachi Securities Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.