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SBI Sumishin Net Bank, Ltd. 7163

Company
住信SBIネット銀行株式会社SBI Sumishin Net Bank, Ltd.
Investors
3
Buys
4
Total Value
¥400.0B ($2.6B)
Avg Return
+129.31%
Last Filing
2025-07-17

SBI Sumishin Net Bank, Ltd. (7163) has 4 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥400.0B ($2.6B) in reported transaction value. The earliest filing StockDrifts holds for SBI Sumishin Net Bank, Ltd. is dated 2023-04-04; the most recent is 2025-07-17. 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 +129.31%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-07-17BUYunknown
株式会社NTTドコモ
NTT DOCOMO, INC.
unknown37.3M¥4,880-0.1%¥181.9B ($1.2B)
2025-07-17BUYunknown
SBIホールディングス株式会社
SBI Holdings Co., Ltd.
strategic51.6M¥4,880-0.1%¥251.6B ($1.6B)
2025-07-16BUYprivate
株式会社NTTドコモ
NTT DOCOMO, INC.
unknown37.3M¥4,875+0.0%¥181.7B ($1.2B)
2025-07-16BUYacquisition
SBIホールディングス株式会社
SBI Holdings Co., Ltd.
unknown51.6M¥4,875+0.0%¥251.3B ($1.6B)
2025-07-16BUYacquisition
株式会社NTTドコモ
NTT DOCOMO, INC.
activist37.3M¥4,875+0.0%¥69.6B ($449.1M)
2025-07-16BUYprivate
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
corporate51.6M¥4,875+0.0%¥251.3B ($1.6B)
2025-06-05BUYunknown
SBIホールディングス株式会社
SBI Holdings Co., Ltd.
strategic51.6M¥4,880-0.1%¥251.6B ($1.6B)
2025-06-04BUYprivate
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
corporate51.6M¥4,880-0.1%¥251.6B ($1.6B)
2023-05-09BUYunknown
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
corporate51.6M¥1,701+186.6%¥87.7B ($565.7M)
2023-05-08SELLunknown
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
corporate51.6M¥1,697-187.3%¥5.3B ($34.0M)
2023-05-08SELLMarket Buy
SBIホールディングス株式会社
SBI Holdings, Inc.
strategic51.6M¥1,697-187.3%¥5.3B ($34.0M)
2023-04-05BUYMarket Buy
SBIホールディングス株式会社
SBI Holdings, Inc.
strategic54.7M¥1,389+251.0%¥75.9B ($489.8M)
2023-04-04BUYacquisition
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
corporate54.7M¥1,331+266.3%¥72.8B ($469.4M)

Frequently asked questions

Who has been buying SBI Sumishin Net Bank, Ltd. stock?
3 distinct investors have filed 4 disclosed large-shareholding filings in SBI Sumishin Net Bank, Ltd. (7163), most recently on 2025-07-17. 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 SBI Sumishin Net Bank, Ltd. have?
SBI Sumishin Net Bank, Ltd. has 4 buy-side and 2 sell-side disclosures on record, covering ¥400.0B ($2.6B) in total reported value, spanning 2023-04-04 to 2025-07-17.
Where does StockDrifts get SBI Sumishin Net Bank, 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 SBI Sumishin Net Bank, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.