Who has been buying Sakata INX Corporation stock?

9 distinct investors have filed 19 disclosed large-shareholding filings in Sakata INX Corporation (4633), most recently on 2026-02-06. 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 Sakata INX Corporation have?

Sakata INX Corporation has 19 buy-side and 14 sell-side disclosures on record, covering ¥32.9B ($212.5M) in total reported value, spanning 2021-04-21 to 2026-02-06.

Where does StockDrifts get Sakata INX 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.

Sakata INX Corporation 4633

Company

サカタインクス株式会社Sakata INX Corporation

Investors

Buys

Total Value

¥32.9B ($212.5M)

Avg Return

+82.07%

Last Filing

2026-02-06

Sakata INX Corporation (4633) has 19 disclosed large-shareholding filings and 14 disclosed disposals on record, filed by 9 distinct investors. Together those filings cover ¥32.9B ($212.5M) in reported transaction value. The earliest filing StockDrifts holds for Sakata INX Corporation is dated 2021-04-21; the most recent is 2026-02-06. 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 +82.07%, 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
2026-07-23	BUY	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	3.4M	¥2,484	+6.9%	¥8.4B ($54.4M)
2026-06-22	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	3.4M	¥2,471	+1.2%	¥395M ($2.6M)
2026-06-05	BUY	Market Buy	住友生命保険相互会社 SUMITOMO LIFE INSURANCE COMPANY	passive	3.5M	¥2,358	+1.8%	¥1.7B ($10.6M)
2026-02-06	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	3.3M	¥2,425	-2.9%	¥7.9B ($51.1M)
2026-01-22	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	3.9M	¥2,447	+3.8%	¥278M ($1.8M)
2026-01-09	SELL	Market Buy	ティー・ロウ・プライス・インターナショナル・リミテッド T. Rowe Price International Ltd.	passive	0	¥2,385	+1.3%	-
2026-01-09	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社	passive	4.0M	¥2,385	+1.3%	¥9.3B ($60.3M)
2025-12-18	SELL	unknown	野村アセットマネジメント株式会社	other	2.8M	¥2,333	-0.9%	¥6.7B ($43.2M)
2025-12-18	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	205.3K	¥2,333	+0.9%	¥484M ($3.1M)
2025-12-18	BUY	unknown	野村證券株式会社	other	218.0K	¥2,333	+0.9%	¥513M ($3.3M)
2025-03-21	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.0M	¥2,002	-17.6%	¥108M ($700K)
2025-03-21	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	37.4K	¥2,002	-17.6%	¥531M ($3.4M)
2025-03-21	SELL	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	196.1K	¥2,002	-17.6%	¥8.7B ($56.0M)
2025-02-06	BUY	Market Buy	野村證券株式会社 Nomura Securities Co.,Ltd.	other	237.6K	¥1,747	+34.8%	¥415M ($2.7M)
2025-02-06	BUY	Market Buy	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.1M	¥1,747	+34.8%	¥170M ($1.1M)
2025-02-06	BUY	Market Buy	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	303.5K	¥1,747	+34.8%	¥530M ($3.4M)
2024-11-22	BUY	Market Buy	ティー・ロウ・プライス・インターナショナル・リミテッド T. Rowe Price International Ltd.	passive	17.4K	¥1,546	+52.3%	¥2.4B ($15.3M)
2024-11-22	SELL	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	4.4M	¥1,546	-52.3%	¥787M ($5.1M)
2024-08-15	SELL	unknown	メロン・インベストメンツ・コーポレーション Mellon Investments Corporation	other	98.6K	¥1,566	-50.4%	¥17M ($109K)
2024-08-15	BUY	unknown	ニュートン・インベストメント・マネジメント・ジャパン株式会社 Newton Investment Management Japan Ltd.	other	2.2M	¥1,566	+50.4%	¥3.4B ($22.0M)
2024-05-30	BUY	unknown	メロン・インベストメンツ・コーポレーション Mellon Investments Corporation	other	108.9K	¥1,845	+27.6%	¥10M ($64K)
2024-05-30	BUY	unknown	ニュートン・インベストメント・マネジメント・ジャパン株式会社 Newton Investment Management Japan Ltd.	other	2.8M	¥1,845	+27.6%	¥5.1B ($33.0M)
2024-04-11	BUY	unknown	メロン・インベストメンツ・コーポレーション Mellon Investments Corporation	other	102.6K	¥1,657	+42.1%	¥171M ($1.1M)
2024-04-11	BUY	unknown	ニュートン・インベストメント・マネジメント・ジャパン株式会社 Newton Investment Management Japan Ltd.	other	3.6M	¥1,657	+42.1%	¥5.9B ($38.2M)
2023-10-12	SELL	unknown	ニュートン・インベストメント・マネジメント・ジャパン株式会社 Newton Investment Management Japan Ltd.	other	4.2M	¥1,263	-86.5%	¥698M ($4.5M)
2023-06-21	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	19.6K	¥1,259	+87.0%	¥2.6B ($16.9M)
2023-06-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.0M	¥1,259	+87.0%	¥3.7B ($24.0M)
2023-03-17	BUY	unknown	ニュートン・インベストメント・マネジメント・ジャパン株式会社 Newton Investment Management Japan Ltd.	other	4.8M	¥979	+140.6%	¥4.7B ($30.2M)
2023-03-17	SELL	unknown	BNYメロン・インベストメント・マネジメント・ジャパン株式会社 BNY Mellon Investment Management Japan Limited	other	0	¥979	-140.6%	¥52M ($338K)
2022-11-04	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.7M	¥1,035	+127.5%	¥505M ($3.3M)
2022-11-04	BUY	unknown	野村證券株式会社 Nomura Securities Co.,Ltd.	other	88.5K	¥1,035	+127.5%	¥92M ($591K)
2022-06-16	BUY	Market Buy	BNYメロン・インベストメント・マネジメント・ジャパン株式会社 BNY Mellon Investment Management Japan Limited	other	5.3M	¥893	+163.7%	¥1.1B ($6.9M)
2022-06-07	BUY	Market Buy	ティー・ロウ・プライス・インターナショナル・リミテッド T. Rowe Price International Ltd.	passive	84.6K	¥938	+151.1%	¥25M ($164K)
2022-06-07	BUY	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	4.9M	¥938	+151.1%	¥757M ($4.9M)
2022-05-23	SELL	unknown	東洋インキSCホールディングス株式会社 Toyo Ink SC Holdings Co., Ltd	other	0	¥922	-155.4%	¥7.8B ($50.5M)
2022-01-20	SELL	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.7M	¥958	-145.8%	¥54M ($348K)
2021-12-07	BUY	Market Buy	ティー・ロウ・プライス・インターナショナル・リミテッド T. Rowe Price International Ltd.	passive	70.2K	¥1,019	+131.1%	¥72M ($462K)
2021-12-07	BUY	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	4.8M	¥1,019	+131.1%	¥702M ($4.5M)
2021-11-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	3.8M	¥995	+136.7%	¥3.7B ($24.0M)
2021-11-19	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	54.2K	¥995	-136.7%	¥50M ($321K)
2021-08-20	BUY	Market Buy	ティー・ロウ・プライス・ジャパン株式会社 T. Rowe Price Japan, Inc.	passive	4.1M	¥1,090	+116.1%	¥723M ($4.7M)
2021-04-21	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	4.2M	¥1,028	+129.1%	¥4.2B ($27.4M)
2021-04-21	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	103.9K	¥1,028	+129.1%	¥107M ($689K)

Frequently asked questions

Who has been buying Sakata INX Corporation stock?: 9 distinct investors have filed 19 disclosed large-shareholding filings in Sakata INX Corporation (4633), most recently on 2026-02-06. 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 Sakata INX Corporation have?: Sakata INX Corporation has 19 buy-side and 14 sell-side disclosures on record, covering ¥32.9B ($212.5M) in total reported value, spanning 2021-04-21 to 2026-02-06.
Where does StockDrifts get Sakata INX 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 Sakata INX Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.