StockDrifts LogoStockDrifts

Ryomo Systems Co.,Ltd. 9691

Company
株式会社両毛システムズRyomo Systems Co.,Ltd.
Investors
3
Buys
3
Total Value
¥467M ($3.0M)
Avg Return
-9.00%
Last Filing
2025-11-18

Ryomo Systems Co.,Ltd. (9691) has 3 disclosed large-shareholding filings and 0 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥467M ($3.0M) in reported transaction value. The earliest filing StockDrifts holds for Ryomo Systems Co.,Ltd. is dated 2025-11-18; the most recent is 2025-11-18. 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 -9.00%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-15SELLunknown
光通信株式会社
unknown0¥5,150+0.0%¥304M ($2.0M)
2026-07-15SELLunknown
株式会社UH5
unknown0¥5,150+0.0%¥49M ($315K)
2026-07-15SELLunknown
HIKARI TSUSHIN INVESTMENTS OKINAWA株式会社
unknown0¥5,150+0.0%¥555M ($3.6M)
2026-07-09BUYunknown
中部電力株式会社
other595.9K¥5,180-0.6%¥3.1B ($19.9M)
2026-07-09SELLunknown
日野 貞実
unknown0¥5,180+0.6%¥365M ($2.4M)
2026-07-09BUYMarket Buy
株式会社ミツバ
corporate2.8M¥5,180-0.6%¥5.2B ($33.5M)
2026-05-21BUYunknown
株式会社三ツ葉電機製作所
Mitsuba Electric Mfg. Co., Ltd.
corporate1.4M¥5,190-0.2%¥7.2B ($46.2M)
2026-05-21BUYunknown
株式会社ミツバ
MITSUBA Corporation
corporate1.8M¥5,190-0.2%¥9.3B ($60.1M)
2026-05-21BUYnegotiated
日野 貞実
strategic70.6K¥5,190-0.2%¥366M ($2.4M)
2026-05-21BUYunknown
株式会社ミツバ
corporate1.8M¥5,190-0.2%¥9.3B ($60.1M)
2026-05-21BUYnegotiated
日野 貞実
strategic70.6K¥5,190-0.2%¥366M ($2.4M)
2026-05-21BUYunknown
株式会社ミツバ
activist1.8M¥5,190-0.2%¥9.3B ($60.1M)
2025-11-18BUYMarket Buy
HIKARI TSUSHIN INVESTMENTS OKINAWA株式会社
HIKARI TSUSHIN INVESTMENTS OKINAWA Co., Ltd.
passive107.7K¥4,335-9.0%¥467M ($3.0M)
2025-11-18BUYMarket Buy
株式会社UH5
UH5 Co., Ltd.
passive9.4K¥4,335-9.0%¥41M ($263K)
2025-11-18BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive58.8K¥4,335-9.0%¥255M ($1.6M)

Frequently asked questions

Who has been buying Ryomo Systems Co.,Ltd. stock?
3 distinct investors have filed 3 disclosed large-shareholding filings in Ryomo Systems Co.,Ltd. (9691), most recently on 2025-11-18. 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 Ryomo Systems Co.,Ltd. have?
Ryomo Systems Co.,Ltd. has 3 buy-side and 0 sell-side disclosures on record, covering ¥467M ($3.0M) in total reported value, spanning 2025-11-18 to 2025-11-18.
Where does StockDrifts get Ryomo Systems 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 Ryomo Systems Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.