Who has been buying Kokusai Electric Corporation stock?

9 distinct investors have filed 28 disclosed large-shareholding filings in Kokusai Electric Corporation (6525), most recently on 2026-04-01. 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 Kokusai Electric Corporation have?

Kokusai Electric Corporation has 28 buy-side and 34 sell-side disclosures on record, covering ¥631.1B ($4.1B) in total reported value, spanning 2023-10-27 to 2026-04-01.

Where does StockDrifts get Kokusai Electric Corporation 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.

Kokusai Electric Corporation 6525

Company

株式会社KOKUSAI ELECTRICKokusai Electric Corporation

Investors

Buys

Total Value

¥631.1B ($4.1B)

Avg Return

+129.44%

Last Filing

2026-04-01

Kokusai Electric Corporation (6525) has 28 disclosed large-shareholding filings and 34 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥631.1B ($4.1B) in reported transaction value. The earliest filing StockDrifts holds for Kokusai Electric Corporation is dated 2023-10-27; the most recent is 2026-04-01. 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 +129.44%, 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
2026-07-15	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	24.2M	¥10,850	+25.6%	¥30.0B ($193.3M)
2026-05-25	SELL	Market Buy	ケイケイアール・エイチケーイー・インベストメント・エルピー(KKR HKE Investment L.P.) KKR HKE Investment L.P.	passive	0	¥7,647	-32.9%	¥188.8B ($1.2B)
2026-04-01	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	27.0M	¥5,468	+19.1%	¥13.7B ($88.2M)
2026-02-06	SELL	unknown	アプライド・マテリアルズ・ヨーロッパ・ビー・ヴィー Applied Materials Europe B.V.	other	11.9M	¥6,037	-11.6%	¥72.5B ($467.4M)
2025-11-21	SELL	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	2.2M	¥3,915	-72.1%	¥10.8B ($69.8M)
2025-11-21	SELL	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	3.8M	¥3,915	-72.1%	¥15.8B ($101.6M)
2025-11-13	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	24.5M	¥4,374	+54.0%	¥20.2B ($130.4M)
2025-10-16	SELL	unknown	アプライド・マテリアルズ・ヨーロッパ・ビー・ヴィー Applied Materials Europe B.V.	other	23.9M	¥4,758	-41.6%	¥56.4B ($364.0M)
2025-08-07	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	19.9M	¥3,156	+113.5%	¥62.7B ($404.2M)
2025-07-23	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー(Capital Research and Management Company) Capital Research and Management Company	passive	19.9M	¥3,335	+102.0%	¥874M ($5.6M)
2025-07-17	BUY	Market Buy	ケイケイアール・エイチケーイー・インベストメント・エルピー(KKR HKE Investment L.P.) KKR HKE Investment L.P.	passive	24.7M	¥3,404	+97.9%	¥84.1B ($542.3M)
2025-07-17	SELL	Market Buy	ケイケイアール・エイチケーイー・インベストメント・エルピー(KKR HKE Investment L.P.) KKR HKE Investment L.P.	passive	24.7M	¥3,404	-97.9%	¥103.5B ($667.8M)
2025-06-20	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	208.3K	¥3,321	-102.9%	¥79M ($510K)
2025-06-20	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	19.6M	¥3,321	+102.9%	¥4.9B ($31.6M)
2025-05-09	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	18.1M	¥2,871	+134.7%	¥2.5B ($15.9M)
2025-05-09	SELL	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	unknown	0	¥2,871	-134.7%	¥957M ($6.2M)
2025-05-09	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	245.6K	¥2,871	-134.7%	¥957M ($6.2M)
2025-05-08	BUY	unknown	ベイリー・ギフォード・オーバーシーズ・リミテッド Baillie Gifford Overseas Limited	other	5.0M	¥2,886	+133.5%	¥14.3B ($92.5M)
2025-05-08	BUY	unknown	ベイリー・ギフォード・アンド・カンパニー Baillie Gifford & Co	other	7.8M	¥2,886	+133.5%	¥22.5B ($145.1M)
2025-04-22	SELL	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	323.3K	¥2,310	-191.7%	¥660M ($4.3M)
2025-04-22	BUY	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	71.6K	¥2,310	+191.7%	¥15.6B ($100.7M)
2025-04-22	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	570.9K	¥2,310	-191.7%	¥990M ($6.4M)
2025-04-22	BUY	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	17.3M	¥2,310	+191.7%	¥2.2B ($14.2M)
2025-04-15	BUY	Market Buy	ケイケイアール・エイチケーイー・インベストメント・エルピー(KKR HKE Investment L.P.) KKR HKE Investment L.P.	passive	54.7M	¥2,310	+191.7%	¥126.3B ($815.1M)
2025-04-02	SELL	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	391.5K	¥2,427	-177.6%	¥58M ($372K)
2025-04-02	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	610.1K	¥2,427	+177.6%	¥1.5B ($9.6M)
2025-04-02	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	986.8K	¥2,427	+177.6%	¥2.4B ($15.5M)
2025-04-02	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	16.2M	¥2,427	-177.6%	¥13.3B ($86.0M)
2025-03-26	BUY	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	395.2K	¥2,809	+139.9%	¥1.1B ($7.2M)
2025-03-26	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	610.1K	¥2,809	+139.9%	¥1.7B ($11.1M)
2025-03-26	BUY	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	986.8K	¥2,809	+139.9%	¥2.8B ($17.9M)
2025-03-26	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	21.7M	¥2,809	-139.9%	¥2.1B ($13.7M)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	395.2K	¥2,730	-146.8%	¥65M ($417K)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	610.1K	¥2,730	-146.8%	¥65M ($417K)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	986.8K	¥2,730	-146.8%	¥1.5B ($9.6M)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	395.2K	¥2,730	-146.8%	¥65M ($417K)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	610.1K	¥2,730	-146.8%	¥65M ($417K)
2025-03-25	SELL	Market Buy	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	986.8K	¥2,730	-146.8%	¥1.5B ($9.6M)
2025-03-25	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	22.5M	¥2,730	-146.8%	¥647M ($4.2M)
2025-03-25	SELL	Market Buy	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	22.5M	¥2,730	-146.8%	¥647M ($4.2M)
2025-02-27	BUY	block_purchase	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	421.5K	¥3,250	+107.3%	¥1.4B ($8.8M)
2025-02-27	BUY	block_purchase	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	648.7K	¥3,250	+107.3%	¥2.1B ($13.6M)
2025-02-27	BUY	block_purchase	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	1.5M	¥3,250	+107.3%	¥5.0B ($32.4M)
2025-02-27	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	22.7M	¥3,250	+107.3%	¥77M ($497K)
2025-02-12	BUY	block_purchase	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	648.7K	¥2,650	+154.3%	¥1.7B ($11.1M)
2025-02-12	BUY	block_purchase	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	433.9K	¥2,650	+154.3%	¥1.1B ($7.4M)
2025-02-12	BUY	block_purchase	キャピタル・インターナショナル株式会社 Capital International Co., Ltd.	passive	1.5M	¥2,650	+154.3%	¥4.1B ($26.4M)
2025-02-12	BUY	block_purchase	キャピタル・リサーチ・アンド・マネージメント・カンパニー Capital Research and Management Company	passive	22.7M	¥2,650	+154.3%	¥941M ($6.1M)
2025-01-29	BUY	Market Buy	キャピタル・インターナショナル・エス・エイ・アール・エル Capital International Sarl	passive	433.9K	¥2,237	+201.2%	¥971M ($6.3M)
2025-01-29	BUY	Market Buy	キャピタル・インターナショナル・インク(Capital International Capital International, Inc.	passive	648.7K	¥2,237	+201.2%	¥795M ($5.1M)

Showing the 50 most recent of 101 filings.

Frequently asked questions

Who has been buying Kokusai Electric Corporation stock?: 9 distinct investors have filed 28 disclosed large-shareholding filings in Kokusai Electric Corporation (6525), most recently on 2026-04-01. 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 Kokusai Electric Corporation have?: Kokusai Electric Corporation has 28 buy-side and 34 sell-side disclosures on record, covering ¥631.1B ($4.1B) in total reported value, spanning 2023-10-27 to 2026-04-01.
Where does StockDrifts get Kokusai Electric Corporation 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 Kokusai Electric Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.