Who has been buying DTS Corporation stock?

5 distinct investors have filed 9 disclosed large-shareholding filings in DTS Corporation (9682), most recently on 2026-01-20. 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 DTS Corporation have?

DTS Corporation has 9 buy-side and 8 sell-side disclosures on record, covering ¥2.7B ($17.4M) in total reported value, spanning 2021-03-31 to 2026-01-20.

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.

DTS Corporation 9682

Company

株式会社DTSDTS Corporation

Investors

Buys

Total Value

¥2.7B ($17.4M)

Avg Return

+37.94%

Last Filing

2026-01-20

DTS Corporation (9682) has 9 disclosed large-shareholding filings and 8 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥2.7B ($17.4M) in reported transaction value. The earliest filing StockDrifts holds for DTS Corporation is dated 2021-03-31; the most recent is 2026-01-20. Across these filings the average return since disclosure is +37.94%, 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
2026-08-20	BUY	negotiated	三井住友信託銀行株式会社	strategic	2.1M	¥1,122	+2.7%	¥2.4B ($15.4M)
2026-08-20	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社	other	3.8M	¥1,122	+2.7%	¥4.3B ($27.7M)
2026-08-20	BUY	unknown	アモーヴァ・アセットマネジメント株式会社	other	2.4M	¥1,122	+2.7%	¥2.7B ($17.2M)
2026-08-10	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	10.5M	¥1,050	+9.7%	¥258M ($1.7M)
2026-01-20	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	10.3M	¥1,275	-9.7%	¥2.1B ($13.8M)
2025-09-19	SELL	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	491.0K	¥1,302.5	+11.6%	¥80M ($517K)
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	861.5K	¥1,302.5	+11.6%	¥438M ($2.8M)
2025-09-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	531.6K	¥1,302.5	-11.6%	¥96M ($620K)
2024-06-06	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	2.5M	¥1,051.25	-9.6%	¥733M ($4.7M)
2024-02-22	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	3.2M	¥975	-18.1%	¥473M ($3.1M)
2023-10-30	SELL	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	3.7M	¥749.5	-53.7%	¥403M ($2.6M)
2022-11-07	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	531.6K	¥871.25	+32.2%	¥463M ($3.0M)
2022-11-07	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	1.4M	¥871.25	+32.2%	¥1.2B ($7.8M)
2022-11-07	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	640.6K	¥871.25	+32.2%	¥558M ($3.6M)
2022-02-15	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	activist	4.5M	¥684.25	+68.4%	¥79M ($512K)
2021-12-07	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	4.4M	¥622.5	-	¥317M ($2.0M)
2021-12-07	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	4.4M	¥622.5	+85.1%	¥317M ($2.0M)
2021-11-05	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	531.6K	¥633	-	-
2021-11-05	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	1.2M	¥633	-82.0%	¥61M ($391K)
2021-11-05	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	694.2K	¥633	-82.0%	¥367M ($2.4M)
2021-08-13	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	3.9M	¥641	+79.7%	¥126M ($814K)
2021-08-05	SELL	Market Buy	アカディアン・アセット・マネジメント・エルエルシー(Acadian Asset Management LLC) Acadian Asset Management LLC	passive	1.7M	¥647.5	-77.9%	¥49M ($316K)
2021-03-31	BUY	Market Buy	アセット・バリュー・インベスターズ・リミテッド (Asset Value Investors Limited) Asset Value Investors Limited	passive	3.7M	¥552.998	+108.3%	¥282M ($1.8M)

Frequently asked questions

Who has been buying DTS Corporation stock?: 5 distinct investors have filed 9 disclosed large-shareholding filings in DTS Corporation (9682), most recently on 2026-01-20. 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 DTS Corporation have?: DTS Corporation has 9 buy-side and 8 sell-side disclosures on record, covering ¥2.7B ($17.4M) in total reported value, spanning 2021-03-31 to 2026-01-20.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.