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

20 distinct investors have filed 12 disclosed large-shareholding filings in Osaka Gas Co., Ltd. (9532), most recently on 2026-02-02. 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 Osaka Gas Co., Ltd. have?

Osaka Gas Co., Ltd. has 12 buy-side and 18 sell-side disclosures on record, covering ¥134.4B ($867.0M) in total reported value, spanning 2021-06-07 to 2026-02-02.

Where does StockDrifts get Osaka Gas 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.

Osaka Gas Co., Ltd. 9532

Company

大阪瓦斯株式会社Osaka Gas Co., Ltd.

Investors

Buys

Total Value

¥134.4B ($867.0M)

Avg Return

+118.84%

Last Filing

2026-02-02

Osaka Gas Co., Ltd. (9532) has 12 disclosed large-shareholding filings and 18 disclosed disposals on record, filed by 20 distinct investors. Together those filings cover ¥134.4B ($867.0M) in reported transaction value. The earliest filing StockDrifts holds for Osaka Gas Co., Ltd. is dated 2021-06-07; the most recent is 2026-02-02. 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 +118.84%, 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
2026-02-02	BUY	negotiated	株式会社三菱UFJ銀行	strategic	8.4M	¥5,870	+1.8%	¥50.2B ($323.6M)
2026-02-02	SELL	negotiated	三菱UFJモルガン・スタンレー証券株式会社	other	251.5K	¥5,870	-1.8%	¥1.5B ($9.7M)
2026-02-02	BUY	negotiated	三菱UFJアセットマネジメント株式会社	passive	3.9M	¥5,870	+1.8%	¥23.3B ($150.1M)
2026-02-02	SELL	negotiated	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	unknown	0	¥5,870	-1.8%	-
2026-02-02	SELL	negotiated	三菱UFJ信託銀行株式会社	passive	8.1M	¥5,870	-1.8%	¥48.7B ($313.9M)
2025-09-19	BUY	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	6.9M	¥4,207	+42.1%	¥502M ($3.2M)
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	13.0M	¥4,207	-42.1%	¥9.7B ($62.6M)
2025-09-19	SELL	negotiated	三井住友信託銀行株式会社 Sumitomo Mitsui Trust Bank,Limited	strategic	1.6M	¥4,207	-42.1%	¥133.9B ($863.9M)
2024-07-29	BUY	Market Buy	三菱UFJモルガン・スタンレー証券株式会社 Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.	other	502.5K	¥3,394	+76.1%	¥1.7B ($11.0M)
2024-07-29	SELL	Market Buy	三菱UFJアセットマネジメント株式会社 Mitsubishi UFJ Financial Group Inc.	passive	3.9M	¥3,394	-76.1%	¥835M ($5.4M)
2024-07-29	BUY	Market Buy	MUFGセキュリティーズEMEA MUFG Securities EMEA plc	other	2.0M	¥3,394	+76.1%	¥6.8B ($43.8M)
2024-07-29	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	10.4M	¥3,394	-76.1%	¥139M ($898K)
2024-07-29	BUY	Market Buy	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	8.4M	¥3,394	+76.1%	¥556M ($3.6M)
2024-03-18	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	4.2M	¥3,418	+74.9%	¥855M ($5.5M)
2024-03-18	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	10.6M	¥3,418	-74.9%	¥5.6B ($35.8M)
2024-03-18	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	8.4M	¥3,418	-74.9%	¥9.7B ($62.5M)
2023-07-05	SELL	Market Buy	ブラックロック・ジャパン株式会社 BlackRock Japan Co., Ltd.	passive	8.4M	¥2,190	-173.0%	¥2.6B ($16.5M)
2023-07-05	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	504.0K	¥2,190	-173.0%	¥2.3B ($14.7M)
2023-07-05	BUY	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	6.7M	¥2,190	+173.0%	¥821M ($5.3M)
2023-07-05	BUY	Market Buy	ブラックロック・ファンド・アドバイザーズ BlackRock Fund Advisors	passive	9.4M	¥2,190	+173.0%	¥8.0B ($51.8M)
2023-07-05	BUY	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	3.1M	¥2,190	+173.0%	¥2.9B ($18.8M)
2023-07-05	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	434.8K	¥2,190	+173.0%	¥952M ($6.1M)
2023-07-05	BUY	Market Buy	ブラックロック・ライフ・リミテッド BlackRock Life Limited	passive	212.8K	¥2,190	+173.0%	¥43.9B ($283.2M)
2023-07-05	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	766.8K	¥2,190	+173.0%	¥456M ($2.9M)
2023-07-05	BUY	Market Buy	ブラックロック(ネザーランド)BVBV) BlackRock (Netherlands	passive	1.7M	¥2,190	+173.0%	¥3.8B ($24.5M)
2023-07-05	BUY	Market Buy	ブラックロック・インベストメント・マネジメント・エルエルシー BlackRock Investment Management LLC	passive	398.8K	¥2,190	+173.0%	¥873M ($5.6M)
2023-04-17	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	unknown	0	¥2,002.294	-218.8%	-
2023-04-17	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	unknown	0	¥2,002.294	-218.8%	-
2023-04-17	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	unknown	0	¥2,227	-168.4%	¥1.0B ($6.6M)
2023-04-17	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	unknown	0	¥2,002.294	-218.8%	-
2023-04-17	SELL	negotiated	ファースト・センティア・インベスターズ(オーストラリア)アイエム・リミテッドIM Ltd) First Sentier Investors (Australia	unknown	0	¥2,227	-168.4%	¥1.0B ($6.6M)
2023-04-17	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	3.9M	¥2,227	+168.4%	¥2.6B ($16.8M)
2023-04-17	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	12.3M	¥2,227	-168.4%	¥6.5B ($41.9M)
2023-04-17	SELL	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	11.2M	¥2,227	-168.4%	¥6.2B ($40.1M)
2021-06-07	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	464.1K	¥2,020	+195.9%	¥937M ($6.0M)
2021-06-07	BUY	Market Buy	日本生命保険相互会社 Nippon Life Insurance Company	passive	18.0M	¥2,020	+195.9%	¥35.8B ($231.1M)

Frequently asked questions

Who has been buying Osaka Gas Co., Ltd. stock?: 20 distinct investors have filed 12 disclosed large-shareholding filings in Osaka Gas Co., Ltd. (9532), most recently on 2026-02-02. 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 Osaka Gas Co., Ltd. have?: Osaka Gas Co., Ltd. has 12 buy-side and 18 sell-side disclosures on record, covering ¥134.4B ($867.0M) in total reported value, spanning 2021-06-07 to 2026-02-02.
Where does StockDrifts get Osaka Gas 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 Osaka Gas Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.