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Sportsfield Co., Ltd. 7080

Company
株式会社スポーツフィールドSportsfield Co., Ltd.
Investors
6
Buys
3
Total Value
¥116M ($745K)
Avg Return
+12.75%
Last Filing
2025-07-28

Sportsfield Co., Ltd. (7080) has 3 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥116M ($745K) in reported transaction value. The earliest filing StockDrifts holds for Sportsfield Co., Ltd. is dated 2024-02-22; the most recent is 2025-07-28. 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 +12.75%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-07-28SELLunknown
篠﨑 克志
Katsushi Shinozaki
activist1.6M¥722-24.2%¥12M ($80K)
2025-07-28BUYunknown
篠﨑 克志
Katsushi Shinozaki
activist1.6M¥722+24.2%¥12M ($76K)
2024-07-29SELLunknown
篠﨑 克志
Katsushi Shinozaki
activist1.6M¥821-9.3%¥102M ($657K)
2024-07-29SELLunknown
加地 正
Tadashi Kaji
activist790.4K¥821-9.3%¥71M ($461K)
2024-07-29SELLunknown
森本 翔太
Shota Morimoto
activist790.4K¥821-9.3%¥71M ($461K)
2024-07-29SELLunknown
伊地知 和義
Kazuyoshi Ijichi
activist790.4K¥821-9.3%¥71M ($461K)
2024-07-29BUYunknown
森本 翔太
Shota Morimoto
activist790.4K¥821+9.3%¥71M ($461K)
2024-07-22SELLunknown
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
passive371.0K¥844-6.3%¥623K ($4K)
2024-07-22SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other15.0K¥844-6.3%¥75M ($486K)
2024-05-09BUYunknown
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
passive371.0K¥730+22.9%¥38M ($246K)
2024-05-09SELLunknown
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other104.0K¥730-22.9%¥60M ($385K)
2024-02-22BUYMarket Buy
SMBC日興証券株式会社
SMBC Nikko Securities Inc.
other92.9K¥833+7.7%¥77M ($499K)
2024-02-22BUYMarket 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
passive159.4K¥833+7.7%¥133M ($857K)

Frequently asked questions

Who has been buying Sportsfield Co., Ltd. stock?
6 distinct investors have filed 3 disclosed large-shareholding filings in Sportsfield Co., Ltd. (7080), most recently on 2025-07-28. 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 Sportsfield Co., Ltd. have?
Sportsfield Co., Ltd. has 3 buy-side and 8 sell-side disclosures on record, covering ¥116M ($745K) in total reported value, spanning 2024-02-22 to 2025-07-28.
Where does StockDrifts get Sportsfield 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 Sportsfield Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.