Who has been buying Kyokuyo Co., Ltd. stock?

7 distinct investors have filed 11 disclosed large-shareholding filings in Kyokuyo Co., Ltd. (1301), most recently on 2025-09-19. 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 Kyokuyo Co., Ltd. have?

Kyokuyo Co., Ltd. has 11 buy-side and 9 sell-side disclosures on record, covering ¥4.2B ($27.4M) in total reported value, spanning 2022-01-13 to 2025-09-19.

Where does StockDrifts get Kyokuyo 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.

Kyokuyo Co., Ltd. 1301

Company

株式会社極洋Kyokuyo Co., Ltd.

Investors

Buys

Total Value

¥4.2B ($27.4M)

Avg Return

+32.80%

Last Filing

2025-09-19

Kyokuyo Co., Ltd. (1301) has 11 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥4.2B ($27.4M) in reported transaction value. The earliest filing StockDrifts holds for Kyokuyo Co., Ltd. is dated 2022-01-13; the most recent is 2025-09-19. 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 +32.80%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

Date	Type	Source	Insider	Purpose	Shares	Price at filing	Return	Value
2025-09-19	BUY	negotiated	アモーヴァ・アセットマネジメント株式会社 Amova Asset Management Co., Ltd.	other	169.0K	¥4,980	-2.3%	¥6M ($39K)
2025-09-19	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	334.4K	¥4,980	+2.3%	¥168M ($1.1M)
2025-09-19	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	72.9K	¥4,980	+2.3%	¥247M ($1.6M)
2024-04-19	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	168.3K	¥3,540	+37.4%	¥596M ($3.8M)
2024-04-19	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	368.0K	¥3,540	+37.4%	¥1.3B ($8.4M)
2024-04-19	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	121.5K	¥3,540	-37.4%	¥4M ($28K)
2024-03-22	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	121.5K	¥3,845	-26.5%	¥41M ($266K)
2024-03-22	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	166.2K	¥3,845	-26.5%	¥5M ($30K)
2024-03-22	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	363.9K	¥3,845	+26.5%	¥248M ($1.6M)
2024-03-07	BUY	negotiated	りそなアセットマネジメント株式会社 Resona Asset Management Co., Ltd.	other	175.3K	¥3,630	+34.0%	¥139M ($896K)
2024-03-07	SELL	negotiated	株式会社りそな銀行 Resona Bank, Limited.	strategic	562.0K	¥3,630	-34.0%	¥48M ($307K)
2024-02-21	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	152.6K	¥3,590	+35.5%	¥20M ($127K)
2024-02-21	SELL	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	274.2K	¥3,590	-35.5%	¥94M ($607K)
2024-02-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	121.5K	¥3,590	+35.5%	¥436M ($2.8M)
2023-05-09	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	147.9K	¥3,620	+34.4%	¥12M ($77K)
2023-05-09	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	300.6K	¥3,620	+34.4%	¥44M ($281K)
2023-05-09	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	121.5K	¥3,620	+34.4%	¥440M ($2.8M)
2022-08-19	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	144.7K	¥3,800	+28.0%	¥550M ($3.5M)
2022-08-19	BUY	negotiated	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	288.3K	¥3,800	+28.0%	¥1.1B ($7.1M)
2022-08-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	121.5K	¥3,800	+28.0%	¥462M ($3.0M)
2022-01-21	SELL	negotiated	農林中金全共連アセットマネジメント株式会社 Norinchukin Zenkyoren Asset Management Co., Ltd.	passive	11.1K	¥3,095	-57.2%	¥61M ($393K)
2022-01-21	BUY	negotiated	農林中央金庫 The Norinchukin Bank	strategic	445.0K	¥3,095	+57.2%	¥1.4B ($8.8M)
2022-01-13	SELL	negotiated	農林中金全共連アセットマネジメント株式会社 Norinchukin Zenkyoren Asset Management Co., Ltd.	passive	11.1K	¥3,100	-56.9%	¥61M ($393K)
2022-01-13	BUY	negotiated	農林中央金庫 The Norinchukin Bank	strategic	445.0K	¥3,100	+56.9%	¥1.4B ($8.8M)

Frequently asked questions

Who has been buying Kyokuyo Co., Ltd. stock?: 7 distinct investors have filed 11 disclosed large-shareholding filings in Kyokuyo Co., Ltd. (1301), most recently on 2025-09-19. 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 Kyokuyo Co., Ltd. have?: Kyokuyo Co., Ltd. has 11 buy-side and 9 sell-side disclosures on record, covering ¥4.2B ($27.4M) in total reported value, spanning 2022-01-13 to 2025-09-19.
Where does StockDrifts get Kyokuyo 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 Kyokuyo Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.