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SE Holdings and Incubations Co., Ltd. 9478

Company
SEホールディングス・アンド・インキュベーションズ株式会社SE Holdings and Incubations Co., Ltd.
Investors
3
Buys
6
Total Value
¥641M ($4.1M)
Avg Return
+66.17%
Last Filing
2025-07-09

SE Holdings and Incubations Co., Ltd. (9478) has 6 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 3 distinct investors. Together those filings cover ¥641M ($4.1M) in reported transaction value. The earliest filing StockDrifts holds for SE Holdings and Incubations Co., Ltd. is dated 2023-03-08; the most recent is 2025-07-09. 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 +66.17%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-07-09BUYMarket Buy
速水 浩二
KOJI HAYAMI
activist2.8M¥312+57.0%¥58M ($371K)
2025-07-08BUYunknown
篠﨑 晃一
KOICHI SHINOZAKI
activist934.9K¥320+53.1%¥299M ($1.9M)
2025-07-08BUYunknown
篠﨑 晃一
KOICHI SHINOZAKI
activist935.2K¥320+53.1%¥299M ($1.9M)
2025-02-20SELLMarket Buy
三井住友DSアセットマネジメント株式会社
Sumitomo Mitsui DS Asset Management Company, Limited
passive704.1K¥283-73.1%¥71M ($459K)
2024-11-07BUYMarket Buy
速水 浩二
KOJI HAYAMI
activist2.8M¥298+64.4%¥88M ($567K)
2024-11-07BUYMarket Buy
三井住友DSアセットマネジメント株式会社
Sumitomo Mitsui DS Asset Management Company, Limited
passive954.0K¥298+64.4%¥284M ($1.8M)
2024-11-07BUYunknown
速水 浩二
KOJI HAYAMI
activist2.8M¥298+64.4%¥88M ($567K)
2023-11-06BUYMarket Buy
速水 浩二
KOJI HAYAMI
activist2.7M¥304+61.2%¥95M ($611K)
2023-11-06BUYunknown
速水 浩二
KOJI HAYAMI
activist2.7M¥304+61.2%¥95M ($611K)
2023-03-08BUYMarket Buy
速水 浩二
KOJI HAYAMI
activist2.7M¥249+96.8%¥76M ($487K)
2023-03-08BUYunknown
速水 浩二
KOJI HAYAMI
activist2.7M¥249+96.8%¥76M ($487K)

Frequently asked questions

Who has been buying SE Holdings and Incubations Co., Ltd. stock?
3 distinct investors have filed 6 disclosed large-shareholding filings in SE Holdings and Incubations Co., Ltd. (9478), most recently on 2025-07-09. 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 SE Holdings and Incubations Co., Ltd. have?
SE Holdings and Incubations Co., Ltd. has 6 buy-side and 1 sell-side disclosures on record, covering ¥641M ($4.1M) in total reported value, spanning 2023-03-08 to 2025-07-09.
Where does StockDrifts get SE Holdings and Incubations 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 SE Holdings and Incubations Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.