Who has been buying Japan Engine Corporation stock?

6 distinct investors have filed 14 disclosed large-shareholding filings in Japan Engine Corporation (6016), most recently on 2026-05-08. 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 Japan Engine Corporation have?

Japan Engine Corporation has 14 buy-side and 5 sell-side disclosures on record, covering ¥18.0B ($116.0M) in total reported value, spanning 2026-01-06 to 2026-05-08.

Where does StockDrifts get Japan Engine 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.

Japan Engine Corporation 6016

Company

株式会社ジャパンエンジンコーポレーションJapan Engine Corporation

Investors

Buys

Total Value

¥18.0B ($116.0M)

Avg Return

-12.10%

Last Filing

2026-05-08

Japan Engine Corporation (6016) has 14 disclosed large-shareholding filings and 5 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥18.0B ($116.0M) in reported transaction value. The earliest filing StockDrifts holds for Japan Engine Corporation is dated 2026-01-06; the most recent is 2026-05-08. 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 -12.10%, 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
2026-08-05	BUY	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	-100	¥9,540	+0.0%	-
2026-08-05	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	1.3K	¥9,840	+1.5%	¥951M ($6.1M)
2026-08-05	BUY	unknown	JPモルガン証券株式会社	other	27.3K	¥9,840	-1.5%	¥268M ($1.7M)
2026-08-05	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	13.0K	¥9,840	-1.5%	¥128M ($825K)
2026-08-05	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	526.6K	¥9,840	-1.5%	¥5.2B ($33.4M)
2026-07-21	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	190	¥8,650	+12.0%	¥29M ($188K)
2026-07-21	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	98.2K	¥8,650	+12.0%	¥400M ($2.6M)
2026-07-21	SELL	unknown	JPモルガン証券株式会社	other	1.5K	¥8,650	-12.0%	¥182M ($1.2M)
2026-07-21	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	13.0K	¥8,650	-12.0%	¥22M ($141K)
2026-07-21	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	526.6K	¥8,650	+12.0%	¥4.6B ($29.4M)
2026-06-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	-3.2K	¥8,910	-	-
2026-06-18	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	52.2K	¥8,910	+3.5%	¥486M ($3.1M)
2026-06-18	BUY	unknown	JPモルガン証券株式会社	other	22.5K	¥8,910	-3.5%	¥200M ($1.3M)
2026-06-18	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	15.2K	¥8,910	-3.5%	¥135M ($874K)
2026-06-18	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	526.8K	¥8,910	+3.5%	¥7M ($48K)
2026-06-03	SELL	unknown	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	-5.5K	¥7,990	-3.8%	¥141M ($909K)
2026-06-03	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	106.6K	¥7,990	+3.8%	¥503M ($3.2M)
2026-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	passive	15.2K	¥7,990	-3.8%	¥13M ($87K)
2026-06-03	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	527.7K	¥7,990	-3.8%	¥20M ($130K)
2026-05-08	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	11.7K	¥12,030	-32.0%	¥10M ($65K)
2026-05-08	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	43.5K	¥12,030	-32.0%	¥354M ($2.3M)
2026-05-08	BUY	Market Buy	JPモルガン証券株式会社	other	6.0K	¥12,030	-32.0%	¥40M ($261K)
2026-05-08	BUY	unknown	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	16.4K	¥12,030	-32.0%	¥197M ($1.3M)
2026-05-08	SELL	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	529.9K	¥12,030	+32.0%	¥40M ($261K)
2026-04-20	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	14.1K	¥12,030	-7.2%	¥51M ($326K)
2026-04-20	BUY	Market Buy	JPモルガン証券株式会社	other	2.2K	¥12,030	-7.2%	¥51M ($326K)
2026-04-20	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	11.1K	¥12,030	-7.2%	¥134M ($862K)
2026-04-20	SELL	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	16.4K	¥12,030	+7.2%	¥10M ($65K)
2026-04-20	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	533.6K	¥12,030	-7.2%	¥6.4B ($41.4M)
2026-04-01	BUY	negotiated	株式会社カナックス KANAX CORPORATION	strategic	436.5K	¥13,060	-6.6%	¥5.7B ($36.8M)
2026-03-31	BUY	negotiated	株式会社カナックス KANAX CORPORATION	strategic	436.5K	¥12,230	-0.3%	¥5.3B ($34.4M)
2026-03-18	SELL	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	10.3K	¥13,620	+11.7%	¥124M ($799K)
2026-03-18	BUY	Market Buy	JPモルガン証券株式会社	other	-1.6K	¥13,620	+11.7%	¥20M ($127K)
2026-03-18	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	17.8K	¥13,620	+11.7%	¥214M ($1.4M)
2026-03-18	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	533.4K	¥13,620	-11.7%	¥6.4B ($41.4M)
2026-02-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	1.1K	¥15,710	-23.4%	¥13M ($86K)
2026-02-18	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	50.9K	¥15,710	-23.4%	¥613M ($4.0M)
2026-02-18	SELL	Market Buy	JPモルガン証券株式会社	other	2.8K	¥15,710	+23.4%	¥34M ($217K)
2026-02-18	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	17.8K	¥15,710	+23.4%	¥214M ($1.4M)
2026-02-18	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	480.6K	¥15,710	-23.4%	¥5.8B ($37.3M)
2026-02-04	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社 JPMorgan Asset Management (Japan) Limited	passive	580.3K	¥14,240	-15.5%	¥323M ($2.1M)
2026-01-20	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・エルエルシー J.P. Morgan Securities LLC	other	5.1K	¥13,960	+13.8%	¥61M ($395K)
2026-01-20	SELL	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	12.5K	¥13,960	+13.8%	¥150M ($970K)
2026-01-20	BUY	Market Buy	JPモルガン証券株式会社	other	69.5K	¥13,960	+13.8%	¥836M ($5.4M)
2026-01-20	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	17.8K	¥13,960	+13.8%	¥214M ($1.4M)
2026-01-20	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	453.2K	¥13,960	-13.8%	¥5.5B ($35.2M)
2026-01-06	BUY	Market Buy	ジェー・ピー・モルガン・セキュリティーズ・ピーエルシー J.P. Morgan Securities plc	other	82.6K	¥12,980	-7.3%	¥993M ($6.4M)
2026-01-06	BUY	Market Buy	JPモルガン・アセット・マネジメント(アジア・パシフィック)リミテッドLimited) JPMorgan Asset Management (Asia Pacific	other	17.8K	¥12,980	-7.3%	¥214M ($1.4M)
2026-01-06	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	425.1K	¥12,980	-7.3%	¥5.1B ($33.0M)

Frequently asked questions

Who has been buying Japan Engine Corporation stock?: 6 distinct investors have filed 14 disclosed large-shareholding filings in Japan Engine Corporation (6016), most recently on 2026-05-08. 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 Japan Engine Corporation have?: Japan Engine Corporation has 14 buy-side and 5 sell-side disclosures on record, covering ¥18.0B ($116.0M) in total reported value, spanning 2026-01-06 to 2026-05-08.
Where does StockDrifts get Japan Engine 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 Japan Engine Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.