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Mitsubishi Gas Chemical Company, Inc. 4182

Company
三菱瓦斯化学株式会社Mitsubishi Gas Chemical Company, Inc.
Investors
16
Buys
33
Total Value
¥115.8B ($747.1M)
Avg Return
+79.98%
Last Filing
2026-05-11

Mitsubishi Gas Chemical Company, Inc. (4182) has 33 disclosed large-shareholding filings and 30 disclosed disposals on record, filed by 16 distinct investors. Together those filings cover ¥115.8B ($747.1M) in reported transaction value. The earliest filing StockDrifts holds for Mitsubishi Gas Chemical Company, Inc. is dated 2021-03-29; 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 +79.98%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-22BUYMarket Buy
野村アセットマネジメント株式会社
other13.7M¥4,533-11.3%¥9.6B ($61.9M)
2026-07-22BUYMarket Buy
野村證券株式会社
other1.2M¥4,533-11.3%¥96M ($619K)
2026-05-11SELLunknown
野村アセットマネジメント株式会社
other11.6M¥4,737-9.3%¥2.3B ($14.9M)
2026-05-11SELLunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other147.5K¥4,737-9.3%¥1.5B ($9.7M)
2026-05-11SELLunknown
野村證券株式会社
other1.1M¥4,737-9.3%¥6.1B ($39.5M)
2026-05-08SELLunknown
三菱UFJモルガン・スタンレー証券株式会社
other112.0K¥4,582-13.1%¥11.3B ($73.2M)
2026-05-08BUYMarket Buy
三菱UFJアセットマネジメント株式会社
passive1.2M¥4,582+13.1%¥97M ($626K)
2026-05-08SELLMarket Buy
三菱UFJ信託銀行株式会社
passive4.8M¥4,582-13.1%¥388M ($2.5M)
2026-05-08BUYnegotiated
株式会社三菱UFJ銀行
strategic2.7M¥4,582+13.1%¥12.4B ($79.8M)
2026-04-06SELLunknown
野村アセットマネジメント株式会社
other12.1M¥3,920-11.4%¥747M ($4.8M)
2026-04-06SELLunknown
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other475.0K¥3,920-11.4%¥415M ($2.7M)
2026-04-06BUYunknown
野村證券株式会社
other2.4M¥3,920+11.4%¥9.5B ($61.3M)
2026-03-30SELLnegotiated
三菱UFJ信託銀行株式会社
passive4.9M¥3,612-21.8%¥2.6B ($16.8M)
2026-03-30BUYnegotiated
株式会社三菱UFJ銀行
strategic2.7M¥3,612+21.8%¥9.8B ($62.9M)
2026-03-30BUYnegotiated
三菱UFJモルガン・スタンレー証券株式会社
other2.6M¥3,612+21.8%¥4.5B ($29.1M)
2026-03-30SELLnegotiated
三菱UFJアセットマネジメント株式会社
passive1.2M¥3,612-21.8%¥1.5B ($9.4M)
2025-10-20SELLnegotiated
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.
other1.3M¥2,863-47.9%¥4.1B ($26.6M)
2025-10-20BUYnegotiated
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.6M¥2,863+47.9%¥4.6B ($29.9M)
2025-10-20BUYnegotiated
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive5.6M¥2,863+47.9%¥606M ($3.9M)
2025-10-20BUYnegotiated
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic2.7M¥2,863+47.9%¥7.7B ($49.9M)
2025-10-07SELLunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other6.4M¥2,784-52.0%¥7.0B ($45.2M)
2025-10-07BUYunknown
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other397.2K¥2,784+52.0%¥1.1B ($7.1M)
2025-10-07BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.8M¥2,784+52.0%¥236M ($1.5M)
2025-09-30BUYMarket 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.
other2.8M¥2,642.5+60.2%¥6.7B ($43.3M)
2025-09-30SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.6M¥2,642.5-60.2%¥392M ($2.5M)
2025-09-30SELLMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive5.4M¥2,642.5-60.2%¥1.6B ($10.5M)
2025-09-30BUYMarket Buy
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic2.7M¥2,642.5+60.2%¥224M ($1.4M)
2025-09-30SELLMarket Buy
MUFGセキュリティーズEMEA
MUFG Securities EMEA plc
other141.0K¥2,642.5-60.2%¥2.2B ($14.1M)
2025-09-19SELLnegotiated
アモーヴァ・アセットマネジメント株式会社
Amova Asset Management Co., Ltd.
other6.2M¥2,751-53.9%¥4.0B ($25.9M)
2025-09-19BUYnegotiated
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.
other5.3M¥2,751+53.9%¥3.0B ($19.2M)
2025-09-19BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic857.0K¥2,751+53.9%¥5.8B ($37.6M)
2025-05-20BUYMarket Buy
ノムラ インターナショナル ピーエルシー
NOMURA INTERNATIONAL PLC
other572.6K¥2,081.5+103.4%¥1.2B ($7.7M)
2025-05-20BUYMarket Buy
野村アセットマネジメント株式会社
Nomura Asset Management Co., Ltd.
other12.3M¥2,081.5+103.4%¥3.3B ($21.0M)
2025-02-20BUYMarket Buy
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other7.9M¥2,349.5+80.2%¥5.1B ($32.9M)
2025-02-20SELLMarket 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.
other4.3M¥2,349.5-80.2%¥1.0B ($6.6M)
2025-02-20BUYMarket Buy
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic857.0K¥2,349.5+80.2%¥2.0B ($13.0M)
2024-07-29SELLMarket 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.
other247.3K¥2,844.5-48.8%¥1.9B ($12.4M)
2024-07-29SELLMarket Buy
三菱UFJアセットマネジメント株式会社
Mitsubishi UFJ Financial Group Inc.
passive1.8M¥2,844.5-48.8%¥1.2B ($7.6M)
2024-07-29BUYMarket Buy
MUFGセキュリティーズEMEA
MUFG Securities EMEA plc
other1.0M¥2,844.5+48.8%¥2.8B ($18.4M)
2024-07-29BUYMarket Buy
三菱UFJ信託銀行株式会社
Mitsubishi UFJ Financial Group Inc.
passive6.2M¥2,844.5+48.8%¥1.4B ($9.2M)
2024-07-29BUYMarket Buy
株式会社三菱UFJ銀行
Mitsubishi UFJ Financial Group Inc.
strategic2.7M¥2,844.5+48.8%¥124M ($797K)
2024-07-04BUYnegotiated
日興アセットマネジメント株式会社
Nikko Asset Management Co.,Ltd.
other5.7M¥3,061+38.3%¥17.5B ($112.6M)
2024-07-04BUYnegotiated
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.
other4.8M¥3,061+38.3%¥14.7B ($94.6M)
2024-07-04BUYnegotiated
三井住友信託銀行株式会社
Sumitomo Mitsui Trust Bank,Limited
strategic857.0K¥3,061+38.3%¥2.6B ($16.9M)
2023-12-07BUYunknown
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other9.4M¥2,282+85.5%¥21.5B ($138.7M)
2023-12-07BUYunknown
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.8M¥2,282+85.5%¥4.0B ($26.1M)
2023-11-08SELLMarket Buy
アセットマネジメントOneインターナショナル
Asset Management One International Ltd.
other7.9K¥1,976.5-114.2%¥879M ($5.7M)
2023-11-08BUYMarket Buy
株式会社みずほ銀行
Mizuho Bank, Ltd.
strategic1.8M¥1,976.5+114.2%¥88M ($567K)
2023-11-08SELLMarket Buy
アセットマネジメントOne株式会社
Asset Management One Co., Ltd.
other9.3M¥1,976.5-114.2%¥3.2B ($20.4M)
2023-11-08SELLMarket Buy
みずほ証券 株式会社
Mizuho Securities Co., Ltd.
other210.9K¥1,976.5-114.2%¥439M ($2.8M)

Showing the 50 most recent of 81 filings.

Frequently asked questions

Who has been buying Mitsubishi Gas Chemical Company, Inc. stock?
16 distinct investors have filed 33 disclosed large-shareholding filings in Mitsubishi Gas Chemical Company, Inc. (4182), 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 Mitsubishi Gas Chemical Company, Inc. have?
Mitsubishi Gas Chemical Company, Inc. has 33 buy-side and 30 sell-side disclosures on record, covering ¥115.8B ($747.1M) in total reported value, spanning 2021-03-29 to 2026-05-11.
Where does StockDrifts get Mitsubishi Gas Chemical Company, Inc. 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 Mitsubishi Gas Chemical Company, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.