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Cyfuse Biomedical K.K. 4892

Company
株式会社サイフューズCyfuse Biomedical K.K.
Investors
9
Buys
24
Total Value
¥4.0B ($25.6M)
Avg Return
-33.44%
Last Filing
2026-05-12

Cyfuse Biomedical K.K. (4892) has 24 disclosed large-shareholding filings and 75 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥4.0B ($25.6M) in reported transaction value. The earliest filing StockDrifts holds for Cyfuse Biomedical K.K. is dated 2022-12-05; the most recent is 2026-05-12. Across these filings the average return since disclosure is -33.44%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-05-12BUYMarket Buy
SBI Ventures Two株式会社
passive462.7K¥654--
2026-05-12BUYMarket Buy
株式会社SBI新生銀行
passive223.0K¥654--
2026-05-12SELLunknown
株式会社SBI証券
other82.6K¥654-5.5%¥155M ($1.0M)
2026-04-28SELLunknown
秋枝 静香
Shizuka Akieda
strategic746.2K¥711+3.0%¥73M ($469K)
2026-04-27BUYMarket Buy
SBI Ventures Two株式会社
passive462.7K¥710--
2026-04-27BUYMarket Buy
株式会社SBI新生銀行
passive223.0K¥710--
2026-04-27SELLunknown
株式会社SBI証券
other327.9K¥710+2.8%¥51M ($329K)
2026-01-23SELLMarket Buy
SBI Ventures Two株式会社
passive462.7K¥689-0.1%¥14M ($93K)
2026-01-23SELLMarket Buy
株式会社SBI新生銀行
passive223.0K¥689-0.1%¥7M ($44K)
2026-01-23SELLMarket Buy
株式会社SBI証券
other401.0K¥689-0.1%¥54M ($345K)
2025-10-01SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥598-15.4%¥571K ($4K)
2025-10-01SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥598-15.4%¥2M ($11K)
2025-10-01SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other464.1K¥598-15.4%¥35M ($228K)
2025-09-26SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥591-16.8%¥2M ($11K)
2025-09-26SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥591-16.8%¥3M ($18K)
2025-09-26SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other525.2K¥591-16.8%¥55M ($354K)
2025-09-12SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥584-18.1%¥3M ($18K)
2025-09-12SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥584-18.1%¥1M ($7K)
2025-09-12SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other622.2K¥584-18.1%¥55M ($354K)
2025-09-02SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥640-7.8%¥4M ($27K)
2025-09-02SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥640-7.8%¥2M ($11K)
2025-09-02SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other719.9K¥640-7.8%¥66M ($425K)
2025-08-22SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥650-6.2%¥7M ($42K)
2025-08-22SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥650-6.2%¥4M ($23K)
2025-08-22SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other830.2K¥650-6.2%¥121M ($781K)
2025-08-18SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥667-3.5%¥2M ($12K)
2025-08-18SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.0M¥667-3.5%¥70M ($452K)
2025-08-18SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥667-3.5%¥4M ($23K)
2025-08-04SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥660-4.5%¥4M ($23K)
2025-08-04SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥660-4.5%¥2M ($11K)
2025-08-04SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.1M¥660-4.5%¥57M ($366K)
2025-07-23SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥655-5.3%¥4M ($26K)
2025-07-23SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥655-5.3%¥2M ($11K)
2025-07-23SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.2M¥655-5.3%¥58M ($374K)
2025-07-14SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥702+1.7%¥4M ($24K)
2025-07-14SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.3M¥702+1.7%¥63M ($408K)
2025-07-14SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥702+1.7%¥2M ($12K)
2025-07-08SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.4M¥694+0.6%¥142M ($919K)
2025-07-08SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥694+0.6%¥5M ($31K)
2025-07-08SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥694+0.6%¥9M ($61K)
2025-06-23SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive462.7K¥840+17.9%¥13M ($86K)
2025-06-23SELLMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥840+17.9%¥2M ($14K)
2025-06-23BUYMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other1.7M¥840-17.9%¥1.1B ($7.0M)
2025-05-07BUYMarket Buy
秋枝 静香
Shizuka Akieda
strategic701.2K¥973-29.1%¥116M ($749K)
2025-05-07BUYMarket Buy
三條 真弘
Masahiro Sanjo
strategic566.9K¥973-29.1%¥101M ($650K)
2025-05-07BUYunknown
三條 真弘
Masahiro Sanjo
strategic566.9K¥973-¥101M ($650K)
2025-03-13BUYMarket Buy
株式会社SBI新生銀行
SBI Shinsei Bank, Limited
passive223.0K¥1,160--
2025-03-13SELLMarket Buy
株式会社SBI証券
SBI SECURITIES Co.,Ltd.
other123.2K¥1,160+40.5%¥13M ($86K)
2025-03-13SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive471.8K¥1,160+40.5%¥22M ($141K)
2025-02-20SELLMarket Buy
SBI Ventures Two株式会社
SBI Ventures Two Co., Ltd.
passive490.5K¥920+25.0%¥3M ($19K)

Showing the 50 most recent of 152 filings.

Frequently asked questions

Who has been buying Cyfuse Biomedical K.K. stock?
9 distinct investors have filed 24 disclosed large-shareholding filings in Cyfuse Biomedical K.K. (4892), most recently on 2026-05-12. 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 Cyfuse Biomedical K.K. have?
Cyfuse Biomedical K.K. has 24 buy-side and 75 sell-side disclosures on record, covering ¥4.0B ($25.6M) in total reported value, spanning 2022-12-05 to 2026-05-12.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.