Who has been buying Tess Holdings Co.,Ltd. stock?

13 distinct investors have filed 50 disclosed large-shareholding filings in Tess Holdings Co.,Ltd. (5074), most recently on 2025-07-10. 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 Tess Holdings Co.,Ltd. have?

Tess Holdings Co.,Ltd. has 50 buy-side and 96 sell-side disclosures on record, covering ¥37.6B ($242.7M) in total reported value, spanning 2021-05-07 to 2025-07-10.

Where does StockDrifts get Tess Holdings Co.,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.

Tess Holdings Co.,Ltd. 5074

Company

テスホールディングス株式会社Tess Holdings Co.,Ltd.

Investors

Buys

Total Value

¥37.6B ($242.7M)

Avg Return

-21.42%

Last Filing

2025-07-10

Tess Holdings Co.,Ltd. (5074) has 50 disclosed large-shareholding filings and 96 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥37.6B ($242.7M) in reported transaction value. The earliest filing StockDrifts holds for Tess Holdings Co.,Ltd. is dated 2021-05-07; the most recent is 2025-07-10. 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 -21.42%, 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
2026-07-24	SELL	unknown	株式会社Y	activist	4.3M	¥723	+10.2%	¥5M ($33K)
2026-07-24	BUY	unknown	株式会社K	other	0	¥723	-10.2%	-
2026-07-24	BUY	unknown	山本一樹	activist	1.6M	¥723	-10.2%	¥1.1B ($7.3M)
2026-06-26	BUY	Market Buy	株式会社Y	activist	4.3M	¥972	-25.6%	¥4.2B ($27.0M)
2026-06-26	SELL	unknown	株式会社K	other	0	¥972	+25.6%	¥4.2B ($27.0M)
2026-06-26	BUY	unknown	山本一樹	activist	1.6M	¥972	-25.6%	¥1.5B ($9.8M)
2025-07-10	BUY	unknown	株式会社K K CO.,LTD.	activist	4.3M	¥394	+64.7%	¥1.7B ($10.9M)
2025-07-10	BUY	unknown	山本一樹 Kazuki Yamamoto	activist	1.6M	¥394	+64.7%	¥613M ($4.0M)
2025-04-23	BUY	unknown	株式会社K K CO.,LTD.	activist	4.3M	¥319	+103.5%	¥1.4B ($8.9M)
2025-04-23	BUY	unknown	山本一樹 Kazuki Yamamoto	activist	1.6M	¥319	+103.5%	¥496M ($3.2M)
2025-02-20	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.8M	¥275	-136.0%	¥198M ($1.3M)
2025-02-20	BUY	unknown	三井住友トラスト・アセットマネジメント株式会社 Sumitomo Mitsui Trust Asset Management Co.,Ltd.	other	1.1M	¥275	+136.0%	¥12M ($75K)
2024-12-27	BUY	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥273	+137.7%	¥1.4B ($9.2M)
2024-12-27	BUY	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥273	+137.7%	¥1.4B ($9.2M)
2024-12-27	BUY	unknown	石脇秀夫 Hideo Ishiwaki	activist	4.8M	¥273	+137.7%	¥1.3B ($8.5M)
2024-12-27	SELL	unknown	石脇秀夫 Hideo Ishiwaki	activist	4.8M	¥273	-137.7%	¥773M ($5.0M)
2024-12-13	BUY	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥270	+140.4%	¥1.4B ($9.1M)
2024-12-13	BUY	unknown	石脇秀夫 Hideo Ishiwaki	activist	7.6M	¥270	+140.4%	¥2.1B ($13.3M)
2024-11-08	BUY	unknown	合同会社たかおか屋 Takaokaya LLC	activist	4.7M	¥271	+139.5%	¥1.3B ($8.3M)
2024-11-08	BUY	unknown	髙崎敏宏 Toshihiro Takasaki	activist	1.0M	¥271	+139.5%	¥277M ($1.8M)
2024-10-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.5M	¥288	+125.3%	¥711M ($4.6M)
2024-10-21	BUY	unknown	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	1.1M	¥288	+125.3%	¥310M ($2.0M)
2024-08-28	SELL	unknown	株式会社K K CO.,LTD.	activist	4.3M	¥302	-114.9%	¥294M ($1.9M)
2024-08-28	SELL	unknown	山本一樹 Kazuki Yamamoto	activist	1.6M	¥302	-114.9%	¥124M ($798K)
2024-08-19	SELL	unknown	株式会社K K CO.,LTD.	activist	4.3M	¥286	-126.9%	¥279M ($1.8M)
2024-08-19	SELL	unknown	株式会社K K CO.,LTD.	activist	4.3M	¥286	-126.9%	¥279M ($1.8M)
2024-08-19	SELL	unknown	山本一樹 Kazuki Yamamoto	activist	1.6M	¥286	-126.9%	¥117M ($756K)
2024-08-19	SELL	unknown	山本一樹 Kazuki Yamamoto	activist	1.6M	¥286	-126.9%	¥117M ($756K)
2024-05-29	SELL	unknown	合同会社たかおか屋 Takaokaya LLC	activist	4.7M	¥400	-62.3%	¥401M ($2.6M)
2024-05-29	SELL	unknown	合同会社たかおか屋 Takaokaya LLC	activist	4.7M	¥400	-62.3%	¥7M ($45K)
2024-05-29	SELL	unknown	髙崎敏宏 Toshihiro Takasaki	activist	1.0M	¥400	-62.3%	¥133M ($857K)
2024-05-29	SELL	unknown	髙崎敏宏 Toshihiro Takasaki	activist	1.0M	¥400	-62.3%	¥85M ($547K)
2024-03-26	SELL	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥466	-39.3%	¥99M ($637K)
2024-03-26	SELL	unknown	石脇秀夫 Hideo Ishiwaki	activist	7.6M	¥466	-39.3%	¥724M ($4.7M)
2023-11-10	SELL	unknown	藤井克重 Katsushige Fujii	activist	706.0K	¥458	-41.7%	¥16M ($104K)
2023-11-10	SELL	unknown	株式会社瑛 Ei Co., Ltd.	activist	3.9M	¥458	-41.7%	¥71M ($459K)
2023-11-10	SELL	unknown	株式会社瑛 Ei Co., Ltd.	activist	3.9M	¥458	-41.7%	¥71M ($459K)
2023-11-10	SELL	unknown	藤井克重 Katsushige Fujii	activist	706.0K	¥458	-41.7%	¥16M ($104K)
2023-10-19	SELL	unknown	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	1.0M	¥483	-34.4%	¥160M ($1.0M)
2023-10-19	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.2M	¥483	-34.4%	¥85M ($550K)
2023-09-04	BUY	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥523	+24.1%	¥2.7B ($17.5M)
2023-09-04	SELL	unknown	石脇秀夫 Hideo Ishiwaki	activist	8.8M	¥523	-24.1%	¥575M ($3.7M)
2023-09-01	SELL	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥529	-22.7%	¥445M ($2.9M)
2023-09-01	SELL	unknown	株式会社瑛 Ei Co., Ltd.	activist	3.9M	¥529	-22.7%	¥348M ($2.2M)
2023-09-01	SELL	unknown	藤井克重 Katsushige Fujii	activist	712.0K	¥529	-22.7%	¥223M ($1.4M)
2023-09-01	SELL	unknown	石脇秀夫 Hideo Ishiwaki	activist	10.1M	¥529	-22.7%	¥869M ($5.6M)
2023-08-30	SELL	unknown	合同会社ストーンサイド Stoneside LLC	activist	5.2M	¥524	-23.9%	¥46M ($296K)
2023-08-30	SELL	unknown	石脇秀夫 Hideo Ishiwaki	activist	10.2M	¥524	-23.9%	¥122M ($790K)
2023-08-25	BUY	subscription	株式会社K K CO.,LTD.	activist	4.3M	¥555	+16.9%	¥2.4B ($15.4M)
2023-08-25	SELL	subscription	山本一樹 Kazuki Yamamoto	activist	1.6M	¥555	-16.9%	¥45M ($288K)

Showing the 50 most recent of 184 filings.

Frequently asked questions

Who has been buying Tess Holdings Co.,Ltd. stock?: 13 distinct investors have filed 50 disclosed large-shareholding filings in Tess Holdings Co.,Ltd. (5074), most recently on 2025-07-10. 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 Tess Holdings Co.,Ltd. have?: Tess Holdings Co.,Ltd. has 50 buy-side and 96 sell-side disclosures on record, covering ¥37.6B ($242.7M) in total reported value, spanning 2021-05-07 to 2025-07-10.
Where does StockDrifts get Tess Holdings Co.,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 Tess Holdings Co.,Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.