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Kato Sangyo Co., Ltd. 9869

Company
加藤産業株式会社Kato Sangyo Co., Ltd.
Investors
6
Buys
5
Total Value
¥16.5B ($106.3M)
Avg Return
+59.76%
Last Filing
2026-05-12

Kato Sangyo Co., Ltd. (9869) has 5 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥16.5B ($106.3M) in reported transaction value. The earliest filing StockDrifts holds for Kato Sangyo Co., Ltd. is dated 2021-03-19; the most recent is 2026-05-12. 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 +59.76%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-06-09BUYunknown
フィデリティ マネジメント アンド リサーチ カンパニー エルエルシー
Fidelity Management & Research Company LLC
corporate976.9K¥5,820+5.3%¥5.7B ($36.7M)
2026-06-09BUYunknown
エフアイエーエム エルエルシー
FIAM LLC
other453.2K¥5,820+5.3%¥2.6B ($17.0M)
2026-06-09BUYunknown
フィデリティ・マネジメント・アンド・リサーチ・ジャパン株式会社
other90.8K¥5,820+5.3%¥528M ($3.4M)
2026-06-09BUYunknown
エフエムアール インベストメント マネジメント ユーケー リミテッドLimited)
FMR Investment Management (UK
other190.1K¥5,820+5.3%¥1.1B ($7.1M)
2026-06-09BUYunknown
フィデリティ マネジメント トラスト カンパニー
Fidelity Management Trust Company
other124.1K¥5,820+5.3%¥722M ($4.7M)
2026-05-12BUYunknown
エフエムアール エルエルシー(FMR LLC)
FMR LLC
other1.8M¥5,930-2.5%¥10.9B ($70.2M)
2024-01-12SELLnegotiated
三井物産株式会社
Mitsui & Co., LTD.
activist1.6M¥4,660-36.9%¥7.4B ($47.5M)
2023-12-15BUYMarket Buy
三井物産株式会社
Mitsui & Co., LTD.
activist3.2M¥4,435+43.9%¥1.2B ($7.5M)
2022-12-01BUYunknown
株式会社プラスダブル
Plus Double Co., Ltd.
activist1.3M¥3,465+84.1%¥4.4B ($28.6M)
2022-12-01BUYunknown
株式会社加藤興産
Kato Kosan Co., Ltd.
activist850.0K¥3,465+84.1%¥2.9B ($19.0M)
2022-12-01BUYunknown
加藤 和弥
kazuya kato
activist53.4K¥3,465+84.1%¥185M ($1.2M)
2021-04-09SELLunknown
住友商事株式会社
SUMITOMO CORPORATION
strategic931.0K¥3,450-84.9%¥3.4B ($22.2M)
2021-03-19BUYunknown
住友商事株式会社
SUMITOMO CORPORATION
strategic1.9M¥3,355.991+90.1%¥6.5B ($41.8M)

Frequently asked questions

Who has been buying Kato Sangyo Co., Ltd. stock?
6 distinct investors have filed 5 disclosed large-shareholding filings in Kato Sangyo Co., Ltd. (9869), 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 Kato Sangyo Co., Ltd. have?
Kato Sangyo Co., Ltd. has 5 buy-side and 2 sell-side disclosures on record, covering ¥16.5B ($106.3M) in total reported value, spanning 2021-03-19 to 2026-05-12.
Where does StockDrifts get Kato Sangyo 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 Kato Sangyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.