Who has been buying Toyo Suisan Kaisha, Ltd. stock?

19 distinct investors have filed 8 disclosed large-shareholding filings in Toyo Suisan Kaisha, Ltd. (2875), most recently on 2025-09-19. 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 Toyo Suisan Kaisha, Ltd. have?

Toyo Suisan Kaisha, Ltd. has 8 buy-side and 17 sell-side disclosures on record, covering ¥142.9B ($922.1M) in total reported value, spanning 2021-06-04 to 2025-09-19.

Where does StockDrifts get Toyo Suisan Kaisha, 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.

Toyo Suisan Kaisha, Ltd. 2875

Company

東洋水産株式会社Toyo Suisan Kaisha, Ltd.

Investors

Buys

Total Value

¥142.9B ($922.1M)

Avg Return

+72.59%

Last Filing

2025-09-19

Toyo Suisan Kaisha, Ltd. (2875) has 8 disclosed large-shareholding filings and 17 disclosed disposals on record, filed by 19 distinct investors. Together those filings cover ¥142.9B ($922.1M) in reported transaction value. The earliest filing StockDrifts holds for Toyo Suisan Kaisha, Ltd. is dated 2021-06-04; the most recent is 2025-09-19. 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 +72.59%, 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
2025-09-19	BUY	unknown	野村アセットマネジメント株式会社 Nomura Asset Management Co., Ltd.	other	5.5M	¥10,705	+0.4%	¥58.7B ($378.7M)
2025-09-19	BUY	unknown	ノムラインターナショナルピーエルシー NOMURA INTERNATIONAL PLC	other	141.3K	¥10,705	+0.4%	¥1.5B ($9.8M)
2024-11-07	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	2.4M	¥8,989	+19.6%	¥7.2B ($46.3M)
2024-11-07	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	2.2M	¥8,989	-19.6%	¥11.0B ($70.7M)
2024-11-07	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	290.0K	¥8,989	-19.6%	¥269.1B ($1.7B)
2024-08-07	SELL	Market Buy	マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company) Massachusetts Financial Services Company	passive	7.1M	¥9,169	-17.2%	¥12.2B ($78.7M)
2023-12-07	SELL	Market Buy	マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company) Massachusetts Financial Services Company	passive	8.4M	¥8,032	-33.8%	¥9.8B ($63.2M)
2022-12-07	BUY	Market Buy	株式会社三井住友銀行 Sumitomo Mitsui Banking Corporation	other	1.8M	¥5,400	+99.1%	¥9.5B ($61.4M)
2022-12-07	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	3.9M	¥5,400	+99.1%	¥21.0B ($135.6M)
2022-09-06	SELL	Market Buy	MFSインベストメント・マネジメント株式会社 MFS Investment Management K.K.	unknown	0	¥5,760	-86.6%	¥25.5B ($164.8M)
2022-09-06	BUY	Market Buy	マサチューセッツ・ファイナンシャル・サービセズ・カンパニー Massachusetts Financial Services Company	passive	9.6M	¥5,760	+86.6%	¥54.9B ($354.1M)
2022-06-06	SELL	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	124.0K	¥4,810	-123.5%	¥960M ($6.2M)
2022-06-06	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 BlackRock Institutional Trust Company, N.A.	passive	642.1K	¥4,810	-123.5%	¥4.4B ($28.6M)
2022-06-06	SELL	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	146.0K	¥4,810	-123.5%	¥1.7B ($11.0M)
2022-06-06	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	179.7K	¥4,810	+123.5%	¥864M ($5.6M)
2022-06-06	SELL	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	121.9K	¥4,810	-123.5%	¥1.5B ($10.0M)
2022-06-06	SELL	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC	passive	58.0K	¥4,810	-123.5%	¥533M ($3.4M)
2022-06-06	BUY	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	1.4M	¥4,810	+123.5%	¥960M ($6.2M)
2022-06-06	SELL	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	1.0M	¥4,810	-123.5%	¥3.1B ($20.0M)
2021-06-04	SELL	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	326.2K	¥4,265	-152.1%	¥615M ($4.0M)
2021-06-04	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 BlackRock Institutional Trust Company, N.A.	passive	1.6M	¥4,265	-152.1%	¥1.7B ($11.3M)
2021-06-04	SELL	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	1.7M	¥4,265	-152.1%	¥5.5B ($35.4M)
2021-06-04	SELL	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	501.8K	¥4,265	-152.1%	¥331M ($2.1M)
2021-06-04	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	107.2K	¥4,265	+152.1%	¥457M ($2.9M)
2021-06-04	SELL	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	102.4K	¥4,265	-152.1%	¥236M ($1.5M)
2021-06-04	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	173.4K	¥4,265	+152.1%	¥189M ($1.2M)
2021-06-04	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	448.9K	¥4,265	+152.1%	¥1.9B ($12.4M)
2021-06-04	BUY	Market Buy	アペリオ・グループ・エルエルシー(Aperio Group Aperio Group, LLC	passive	162.3K	¥4,265	+152.1%	¥692M ($4.5M)
2021-06-04	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	1.2M	¥4,265	-152.1%	¥1.2B ($7.6M)

Frequently asked questions

Who has been buying Toyo Suisan Kaisha, Ltd. stock?: 19 distinct investors have filed 8 disclosed large-shareholding filings in Toyo Suisan Kaisha, Ltd. (2875), most recently on 2025-09-19. 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 Toyo Suisan Kaisha, Ltd. have?: Toyo Suisan Kaisha, Ltd. has 8 buy-side and 17 sell-side disclosures on record, covering ¥142.9B ($922.1M) in total reported value, spanning 2021-06-04 to 2025-09-19.
Where does StockDrifts get Toyo Suisan Kaisha, 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 Toyo Suisan Kaisha, Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.