Who has been buying Sanrio Company, Ltd. stock?

41 distinct investors have filed 43 disclosed large-shareholding filings in Sanrio Company, Ltd. (8136), most recently on 2026-05-14. 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 Sanrio Company, Ltd. have?

Sanrio Company, Ltd. has 43 buy-side and 22 sell-side disclosures on record, covering ¥28.8B ($186.0M) in total reported value, spanning 2023-07-24 to 2026-05-14.

Where does StockDrifts get Sanrio Company, 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.

Sanrio Company, Ltd. 8136

Company

株式会社サンリオSanrio Company, Ltd.

Investors

Buys

Total Value

¥28.8B ($186.0M)

Avg Return

+2.08%

Last Filing

2026-05-14

Sanrio Company, Ltd. (8136) has 43 disclosed large-shareholding filings and 22 disclosed disposals on record, filed by 41 distinct investors. Together those filings cover ¥28.8B ($186.0M) in reported transaction value. The earliest filing StockDrifts holds for Sanrio Company, Ltd. is dated 2023-07-24; the most recent is 2026-05-14. 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 +2.08%, 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	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	28.1M	¥1,274	+14.2%	¥35.9B ($231.3M)
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	6.2M	¥1,274	-14.2%	¥5.0B ($32.5M)
2026-08-05	BUY	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	6.0M	¥1,274	+14.2%	¥325M ($2.1M)
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	13.4M	¥1,274	+14.2%	¥813M ($5.2M)
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	7.6M	¥1,274	+14.2%	¥9.7B ($62.7M)
2026-08-05	BUY	unknown	JPモルガン証券株式会社	other	1.8M	¥1,274	+14.2%	¥2.3B ($14.5M)
2026-08-05	BUY	Market Buy	ジェー・ピー・モルガン・アセット・マネジメント(ユーケー)リミテッドLimited) JPMorgan Asset Management(UK	passive	1.9M	¥1,274	+14.2%	¥2.4B ($15.7M)
2026-07-21	SELL	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	827.0K	¥1,180	-23.3%	¥753M ($4.9M)
2026-07-21	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	7.6M	¥1,180	+23.3%	¥9.0B ($58.0M)
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	10.1M	¥1,180	+23.3%	¥452M ($2.9M)
2026-07-21	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	12.8M	¥1,180	+23.3%	¥15.1B ($97.2M)
2026-07-21	BUY	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	5.7M	¥1,180	+23.3%	¥6.8B ($43.7M)
2026-07-21	BUY	Market Buy	ジェー・ピー・モルガン・アセット・マネジメント(ユーケー)リミテッドLimited) JPMorgan Asset Management(UK	passive	1.9M	¥1,180	+23.3%	¥2.2B ($14.2M)
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	28.1M	¥1,180	+23.3%	¥33.2B ($214.3M)
2026-07-03	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	1.4M	¥1,087.5	+17.0%	¥1.5B ($9.5M)
2026-07-03	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	7.6M	¥1,087.5	+17.0%	¥8.3B ($53.6M)
2026-07-03	BUY	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	9.7M	¥1,087.5	+17.0%	¥10.5B ($67.8M)
2026-07-03	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	12.8M	¥1,087.5	+17.0%	¥13.9B ($89.5M)
2026-07-03	BUY	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	5.7M	¥1,087.5	+17.0%	¥6.2B ($40.2M)
2026-07-03	BUY	Market Buy	ジェー・ピー・モルガン・アセット・マネジメント(ユーケー)リミテッドLimited) JPMorgan Asset Management(UK	passive	1.9M	¥1,087.5	+17.0%	¥2.0B ($13.1M)
2026-07-03	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	28.1M	¥1,087.5	+17.0%	¥30.6B ($197.4M)
2026-06-18	BUY	unknown	ジェー・ピー・モルガン・プライム・インク J.P. Morgan Prime Inc.	other	1.3M	¥892	+35.0%	¥1.1B ($7.3M)
2026-06-18	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	6.3M	¥892	-35.0%	¥797M ($5.1M)
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	7.0M	¥892	-35.0%	¥4.3B ($27.9M)
2026-06-18	BUY	unknown	JPモルガン証券株式会社	other	824.6K	¥892	+35.0%	¥736M ($4.7M)
2026-06-18	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	9.8M	¥892	-35.0%	¥342M ($2.2M)
2026-06-18	SELL	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	4.9M	¥892	-35.0%	¥114M ($735K)
2026-06-18	BUY	Market Buy	ジェー・ピー・モルガン・アセット・マネジメント(ユーケー)リミテッドLimited) JPMorgan Asset Management(UK	passive	1.5M	¥892	+35.0%	¥1.3B ($8.6M)
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	28.7M	¥892	-35.0%	¥114M ($735K)
2026-06-05	BUY	Market Buy	ブラックロック・インベストメント・マネジメント(ユーケー)リミテッドLimited) BlackRock Investment Management (UK	passive	2.4M	¥905	+20.2%	¥116M ($746K)
2026-06-05	SELL	Market Buy	ブラックロック・インスティテューショナル・トラスト・カンパニー、エヌ.エイ. BlackRock Institutional Trust Company, N.A.	passive	12.0M	¥905	-20.2%	¥116M ($746K)
2026-06-05	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	22.9M	¥905	+20.2%	¥2.5B ($16.4M)
2026-06-05	BUY	Market Buy	ブラックロック・アセット・マネジメント・アイルランド・リミテッド BlackRock Asset Management Ireland Limited	passive	9.6M	¥905	+20.2%	¥8.7B ($56.0M)
2026-06-05	BUY	Market Buy	ブラックロック・アセット・マネジメント・カナダ・リミテッド BlackRock Asset Management Canada Limited	passive	2.3M	¥905	+20.2%	¥578M ($3.7M)
2026-06-05	BUY	Market Buy	ブラックロック・ファンド・マネジャーズ・リミテッド BlackRock Fund Managers Limited	passive	3.0M	¥905	+20.2%	¥1.4B ($8.9M)
2026-06-05	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	2.5M	¥905	-20.2%	¥578M ($3.7M)
2026-06-05	SELL	Market Buy	ブラックロック・ジャパン株式会社	passive	18.2M	¥905	-20.2%	¥809M ($5.2M)
2026-06-03	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	7.1M	¥909	+19.6%	¥6.5B ($41.9M)
2026-06-03	BUY	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	11.9M	¥909	+19.6%	¥10.8B ($69.8M)
2026-06-03	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	10.1M	¥909	+19.6%	¥9.2B ($59.1M)
2026-06-03	BUY	Market Buy	ジェー・ピー・モルガン・インベストメント・マネージメント・インク J.P. Morgan Investment Management Inc.	passive	5.1M	¥909	+19.6%	¥4.6B ($29.8M)
2026-06-03	BUY	Market Buy	ジェー・ピー・モルガン・アセット・マネジメント(ユーケー)リミテッドLimited) JPMorgan Asset Management(UK	passive	1.5M	¥909	+19.6%	¥1.4B ($8.7M)
2026-06-03	BUY	Market Buy	JPモルガン・アセット・マネジメント株式会社	passive	28.7M	¥909	+19.6%	¥26.1B ($168.2M)
2026-05-14	BUY	unknown	辻朋邦	activist	12.4M	¥844.2	+7.2%	¥10.5B ($67.8M)
2026-05-14	BUY	negotiated	清川商事株式会社	strategic	98.6M	¥844.2	+7.2%	¥83.2B ($536.9M)
2026-05-14	BUY	negotiated	光南商事株式会社	strategic	39.2M	¥844.2	+7.2%	¥33.1B ($213.3M)
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	6.3M	¥1,045.5	-18.6%	¥2.8B ($18.1M)
2026-04-20	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	2.2M	¥1,045.5	+18.6%	¥9.1B ($58.6M)
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	28.6M	¥1,045.5	-18.6%	¥29.9B ($193.0M)
2026-04-20	BUY	Market Buy	JPモルガン証券株式会社	other	526.1K	¥1,045.5	-18.6%	¥550M ($3.5M)

Showing the 50 most recent of 137 filings.

Frequently asked questions

Who has been buying Sanrio Company, Ltd. stock?: 41 distinct investors have filed 43 disclosed large-shareholding filings in Sanrio Company, Ltd. (8136), most recently on 2026-05-14. 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 Sanrio Company, Ltd. have?: Sanrio Company, Ltd. has 43 buy-side and 22 sell-side disclosures on record, covering ¥28.8B ($186.0M) in total reported value, spanning 2023-07-24 to 2026-05-14.
Where does StockDrifts get Sanrio Company, 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 Sanrio Company, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.