Who has been buying Toho Gas Co., Ltd. stock?

18 distinct investors have filed 16 disclosed large-shareholding filings in Toho Gas Co., Ltd. (9533), most recently on 2026-01-09. 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 Toho Gas Co., Ltd. have?

Toho Gas Co., Ltd. has 16 buy-side and 21 sell-side disclosures on record, covering ¥10.2B ($65.8M) in total reported value, spanning 2021-04-21 to 2026-01-09.

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.

Toho Gas Co., Ltd. 9533

Company

東邦瓦斯株式会社Toho Gas Co., Ltd.

Investors

Buys

Total Value

¥10.2B ($65.8M)

Avg Return

+44.56%

Last Filing

2026-01-09

Toho Gas Co., Ltd. (9533) has 16 disclosed large-shareholding filings and 21 disclosed disposals on record, filed by 18 distinct investors. Together those filings cover ¥10.2B ($65.8M) in reported transaction value. The earliest filing StockDrifts holds for Toho Gas Co., Ltd. is dated 2021-04-21; the most recent is 2026-01-09. Across these filings the average return since disclosure is +44.56%, 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
2026-01-09	BUY	Market Buy	日本生命保険相互会社	passive	5.5M	¥1,226	+3.0%	¥458M ($3.0M)
2026-01-09	SELL	Market Buy	ニッセイアセットマネジメント株式会社	other	70.8K	¥1,226	-3.0%	¥1.2B ($7.6M)
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	1.1M	¥1,053.5	-19.9%	¥83M ($534K)
2025-09-19	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.4M	¥1,053.5	-19.9%	¥52M ($334K)
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	2.5M	¥1,053.5	-19.9%	¥21M ($134K)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.9M	¥1,018	-	-
2024-07-29	BUY	negotiated	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	548.2K	¥1,018	+24.1%	¥75M ($484K)
2024-07-29	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	2.7M	¥1,018	-24.1%	¥364M ($2.4M)
2024-07-29	BUY	negotiated	ファースト・センティア・インベスターズ・アールキューアイ・ピーティーワイ・リミテッド First Sentier Investors RQI Pty Ltd	passive	116.2K	¥1,018	-	¥118M ($763K)
2024-07-04	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥974.5	+29.6%	¥1.5B ($9.6M)
2024-07-04	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	2.7M	¥974.5	+29.6%	¥2.6B ($16.9M)
2024-07-04	BUY	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥974.5	+29.6%	¥1.2B ($8.1M)
2024-04-22	SELL	Market Buy	日本生命保険相互会社 Nippon Life Insurance Company	passive	5.5M	¥933.75	-35.3%	¥98M ($634K)
2024-04-22	BUY	Market Buy	ニッセイアセットマネジメント株式会社 Nissay Asset Management Company	other	1.1M	¥933.75	-	¥1.0B ($6.7M)
2024-03-22	SELL	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.2M	¥843.75	-49.7%	¥62M ($401K)
2024-03-22	BUY	Market Buy	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥843.75	+49.7%	¥9M ($57K)
2024-03-22	SELL	Market Buy	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	2.4M	¥843.75	-49.7%	¥844M ($5.4M)
2023-04-17	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	2.9M	¥622	+103.0%	¥20M ($127K)
2023-04-17	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	3.1M	¥622	-103.0%	¥720M ($4.6M)
2023-04-17	BUY	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	478.1K	¥622	+103.0%	¥39M ($253K)
2022-04-22	BUY	Market Buy	日本生命保険相互会社 Nippon Life Insurance Company	passive	5.6M	¥639	+97.7%	¥3.5B ($22.9M)
2022-04-22	BUY	Market Buy	ニッセイアセットマネジメント株式会社 Nissay Asset Management Company	other	25.3K	¥639	+97.7%	¥1.3B ($8.4M)
2021-12-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥790	-	-
2021-12-21	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	3.4M	¥790	-59.9%	¥225M ($1.5M)
2021-12-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥790	-59.9%	¥8M ($54K)
2021-12-06	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	537.6K	¥770	-64.0%	¥667M ($4.3M)
2021-12-06	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	215.1K	¥770	-	¥166M ($1.1M)
2021-12-06	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	185.4K	¥770	+64.0%	¥49M ($315K)
2021-12-06	SELL	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	37.3K	¥770	-64.0%	¥98M ($630K)
2021-12-06	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	177.0K	¥770	+64.0%	¥33M ($210K)
2021-12-06	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	166.3K	¥770	-64.0%	¥138M ($892K)
2021-12-06	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	854.0K	¥770	-64.0%	¥114M ($734K)
2021-12-06	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	91.5K	¥770	-64.0%	¥146M ($944K)
2021-12-06	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	1.1M	¥770	-64.0%	¥659M ($4.2M)
2021-11-19	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥797.5	-	-
2021-11-19	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	3.7M	¥797.5	-58.4%	¥101M ($652K)
2021-11-19	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.3M	¥797.5	-58.4%	¥59M ($380K)
2021-10-21	BUY	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥905	-	-
2021-10-21	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	3.8M	¥905	+39.6%	¥96M ($617K)
2021-10-21	SELL	negotiated	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥905	-39.6%	¥19M ($123K)
2021-07-06	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥1,365	-	-
2021-07-06	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	3.7M	¥1,365	-7.5%	¥43M ($279K)
2021-07-06	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥1,365	-7.5%	¥14M ($93K)
2021-04-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.4M	¥1,567.5	-19.4%	¥132M ($854K)
2021-04-21	BUY	unknown	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.5M	¥1,567.5	-	-
2021-04-21	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	3.7M	¥1,567.5	+19.4%	¥182M ($1.2M)

Frequently asked questions

Who has been buying Toho Gas Co., Ltd. stock?: 18 distinct investors have filed 16 disclosed large-shareholding filings in Toho Gas Co., Ltd. (9533), most recently on 2026-01-09. 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 Toho Gas Co., Ltd. have?: Toho Gas Co., Ltd. has 16 buy-side and 21 sell-side disclosures on record, covering ¥10.2B ($65.8M) in total reported value, spanning 2021-04-21 to 2026-01-09.
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.