Who has been buying Tokyo Rope Mfg. Co., Ltd. stock?

11 distinct investors have filed 18 disclosed large-shareholding filings in Tokyo Rope Mfg. Co., Ltd. (5981), most recently on 2026-05-11. 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 Tokyo Rope Mfg. Co., Ltd. have?

Tokyo Rope Mfg. Co., Ltd. has 18 buy-side and 32 sell-side disclosures on record, covering ¥2.1B ($13.4M) in total reported value, spanning 2021-03-18 to 2026-05-11.

Where does StockDrifts get Tokyo Rope Mfg. 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.

Tokyo Rope Mfg. Co., Ltd. 5981

Company

東京製綱株式会社Tokyo Rope Mfg. Co., Ltd.

Investors

Buys

Total Value

¥2.1B ($13.4M)

Avg Return

+60.93%

Last Filing

2026-05-11

Tokyo Rope Mfg. Co., Ltd. (5981) has 18 disclosed large-shareholding filings and 32 disclosed disposals on record, filed by 11 distinct investors. Together those filings cover ¥2.1B ($13.4M) in reported transaction value. The earliest filing StockDrifts holds for Tokyo Rope Mfg. Co., Ltd. is dated 2021-03-18; the most recent is 2026-05-11. 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 +60.93%, 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
2026-08-06	BUY	Market Buy	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	849.6K	¥2,101	-8.3%	¥1.8B ($11.5M)
2026-06-19	BUY	unknown	野村アセットマネジメント株式会社	other	423.0K	¥2,055	-7.7%	¥869M ($5.6M)
2026-06-19	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	656.8K	¥2,055	-7.7%	¥909M ($5.9M)
2026-06-19	SELL	unknown	野村證券株式会社	other	307.7K	¥2,055	+7.7%	¥582M ($3.8M)
2026-06-09	SELL	negotiated	日本製鉄株式会社	strategic	1.7M	¥2,041	+2.6%	¥408M ($2.6M)
2026-06-09	BUY	negotiated	日鉄物産株式会社	strategic	33.5K	¥2,041	-2.6%	¥68M ($441K)
2026-05-26	BUY	negotiated	日鉄物産株式会社	strategic	33.5K	¥1,808	+13.7%	¥61M ($391K)
2026-05-26	SELL	negotiated	日本製鉄株式会社	strategic	1.9M	¥1,808	-13.7%	¥362M ($2.3M)
2026-05-11	BUY	Market Buy	野村アセットマネジメント株式会社	other	423.2K	¥1,764	+14.8%	¥3M ($19K)
2026-05-11	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	215.5K	¥1,764	-14.8%	¥37M ($241K)
2026-05-11	SELL	unknown	野村證券株式会社	other	590.2K	¥1,764	-14.8%	¥60M ($389K)
2026-04-24	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,665	+2.2%	¥56M ($360K)
2026-04-24	SELL	negotiated	日本製鉄株式会社	activist	2.1M	¥1,665	-2.2%	¥333M ($2.1M)
2026-04-20	SELL	Market Buy	野村アセットマネジメント株式会社	other	420.6K	¥1,791	+6.4%	¥3M ($19K)
2026-04-20	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	236.0K	¥1,791	-6.4%	¥192M ($1.2M)
2026-04-20	BUY	Market Buy	野村證券株式会社	other	623.9K	¥1,791	-6.4%	¥6M ($38K)
2026-04-14	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,860	-7.2%	¥62M ($402K)
2026-04-14	SELL	negotiated	日本製鉄株式会社	activist	2.3M	¥1,860	+7.2%	¥372M ($2.4M)
2026-04-14	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,860	-7.2%	¥62M ($402K)
2026-04-14	SELL	negotiated	日本製鉄株式会社	activist	2.3M	¥1,860	+7.2%	¥372M ($2.4M)
2026-04-06	BUY	unknown	野村アセットマネジメント株式会社	other	422.5K	¥1,945	-10.5%	¥6M ($41K)
2026-04-06	SELL	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	128.6K	¥1,945	+10.5%	¥592M ($3.8M)
2026-04-06	BUY	unknown	野村證券株式会社	other	621.2K	¥1,945	-10.5%	¥1.2B ($7.8M)
2026-03-31	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,878	-8.4%	¥63M ($406K)
2026-03-31	SELL	negotiated	日本製鉄株式会社	activist	2.5M	¥1,878	+8.4%	¥376M ($2.4M)
2026-03-18	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,886	+5.0%	¥60M ($387K)
2026-03-18	SELL	negotiated	日本製鉄株式会社	activist	2.7M	¥1,886	+5.0%	¥4.8B ($30.9M)
2026-03-18	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,886	+5.0%	¥60M ($387K)
2026-03-18	SELL	negotiated	日本製鉄株式会社	activist	2.7M	¥1,886	+5.0%	¥4.8B ($30.9M)
2026-03-17	BUY	unknown	野村アセットマネジメント株式会社	other	419.0K	¥1,833	-2.3%	¥750M ($4.8M)
2026-03-17	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	432.2K	¥1,833	-2.3%	¥774M ($5.0M)
2026-03-06	BUY	negotiated	日鉄物産株式会社	activist	33.5K	¥1,878	+4.6%	¥60M ($387K)
2026-03-06	SELL	negotiated	日本製鉄株式会社	activist	2.9M	¥1,878	+4.6%	¥5.1B ($33.2M)
2022-11-21	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	401.0K	¥881	-103.3%	¥34M ($222K)
2022-11-21	SELL	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	unknown	0	¥881	-103.3%	¥123M ($795K)
2022-11-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	214.5K	¥881	-103.3%	¥29M ($185K)
2022-10-19	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	274.2K	¥896	-99.9%	¥64M ($414K)
2022-10-19	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	21.9K	¥896	+99.9%	¥20M ($127K)
2022-10-19	SELL	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	483.3K	¥896	-99.9%	¥124M ($799K)
2022-10-06	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	247.2K	¥938	+90.9%	¥232M ($1.5M)
2022-10-06	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	439.7K	¥938	+90.9%	¥412M ($2.7M)
2022-10-06	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	139.8K	¥938	+90.9%	¥131M ($846K)
2022-09-21	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	346.9K	¥929	-92.8%	¥131M ($848K)
2022-09-21	SELL	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	15.0K	¥929	-92.8%	¥76M ($488K)
2022-09-21	SELL	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	621.2K	¥929	-92.8%	¥138M ($887K)
2022-04-20	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	5.1K	¥874	+104.9%	¥378M ($2.4M)
2022-04-20	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	95.5K	¥874	+104.9%	¥24M ($156K)
2022-04-20	SELL	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	768.7K	¥874	-104.9%	¥6M ($37K)
2022-04-05	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	55.8K	¥913	-96.2%	¥206M ($1.3M)
2022-04-05	BUY	Market Buy	JPモルガン証券株式会社 JPMorgan Securities Japan Co., Ltd.	other	69.0K	¥913	+96.2%	¥18M ($115K)

Showing the 50 most recent of 72 filings.

Frequently asked questions

Who has been buying Tokyo Rope Mfg. Co., Ltd. stock?: 11 distinct investors have filed 18 disclosed large-shareholding filings in Tokyo Rope Mfg. Co., Ltd. (5981), most recently on 2026-05-11. 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 Tokyo Rope Mfg. Co., Ltd. have?: Tokyo Rope Mfg. Co., Ltd. has 18 buy-side and 32 sell-side disclosures on record, covering ¥2.1B ($13.4M) in total reported value, spanning 2021-03-18 to 2026-05-11.
Where does StockDrifts get Tokyo Rope Mfg. 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 Tokyo Rope Mfg. Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.