Who has been buying Mitsubishi Research Institute, Inc. stock?

13 distinct investors have filed 16 disclosed large-shareholding filings in Mitsubishi Research Institute, Inc. (3636), most recently on 2026-03-02. 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 Mitsubishi Research Institute, Inc. have?

Mitsubishi Research Institute, Inc. has 16 buy-side and 10 sell-side disclosures on record, covering ¥16.9B ($109.2M) in total reported value, spanning 2021-06-11 to 2026-03-02.

Where does StockDrifts get Mitsubishi Research Institute, 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.

Mitsubishi Research Institute, Inc. 3636

Company

株式会社三菱総合研究所Mitsubishi Research Institute, Inc.

Investors

Buys

Total Value

¥16.9B ($109.2M)

Avg Return

+3.53%

Last Filing

2026-03-02

Mitsubishi Research Institute, Inc. (3636) has 16 disclosed large-shareholding filings and 10 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥16.9B ($109.2M) in reported transaction value. The earliest filing StockDrifts holds for Mitsubishi Research Institute, Inc. is dated 2021-06-11; the most recent is 2026-03-02. 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 +3.53%, 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
2026-03-02	SELL	Market Buy	三菱UFJアセットマネジメント株式会社	passive	66.9K	¥4,900	+1.5%	¥323M ($2.1M)
2026-03-02	SELL	Market Buy	三菱UFJ信託銀行株式会社	passive	408.0K	¥4,900	+1.5%	¥2.0B ($12.7M)
2026-03-02	BUY	Market Buy	株式会社三菱UFJ銀行	strategic	505.1K	¥4,900	-1.5%	¥2.4B ($15.7M)
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	130.9K	¥5,070	-4.8%	¥341M ($2.2M)
2024-07-29	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	532.6K	¥5,070	-4.8%	¥608M ($3.9M)
2024-07-29	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.1K	¥5,070	-4.8%	¥2.6B ($16.5M)
2024-05-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント(ホンコン)リミテッドLimited) Schroder Investment Management (Hong Kong	passive	12.7K	¥4,735	-1.9%	¥23M ($151K)
2024-05-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	619.5K	¥4,735	+1.9%	¥2.9B ($18.7M)
2024-02-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント(ホンコン)リミテッドLimited) Schroder Investment Management (Hong Kong	passive	16.9K	¥4,880	+1.1%	¥8M ($52K)
2024-02-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	811.7K	¥4,880	-1.1%	¥3.9B ($25.2M)
2023-12-21	BUY	Market Buy	シュローダー・インベストメント・マネージメント(ホンコン)リミテッドLimited) Schroder Investment Management (Hong Kong	passive	18.1K	¥4,600	+4.9%	¥83M ($537K)
2023-12-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.0M	¥4,600	+4.9%	¥4.6B ($29.6M)
2023-07-20	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	0	¥5,360	+10.0%	¥88M ($568K)
2023-07-20	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.2M	¥5,360	-10.0%	¥907M ($5.8M)
2023-02-21	SELL	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	16.5K	¥5,140	+6.1%	¥42M ($272K)
2023-02-21	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	1.1M	¥5,140	-6.1%	¥1.1B ($6.9M)
2023-02-20	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	64.1K	¥5,180	-6.8%	¥43M ($274K)
2023-02-20	SELL	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	412.3K	¥5,180	+6.8%	¥1.9B ($12.0M)
2023-02-20	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	3.3K	¥5,180	-6.8%	¥1.6B ($10.4M)
2023-02-20	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.1K	¥5,180	-6.8%	¥2.6B ($16.9M)
2022-12-06	BUY	Market Buy	シュローダー・インベストメント・マネージメント・リミテッド Schroder Investment Management Limited	passive	24.9K	¥5,000	-3.5%	¥125M ($803K)
2022-12-06	BUY	Market Buy	シュローダー・インベストメント・マネジメント株式会社 Schroder Investment Management(Japan)Limited	passive	874.1K	¥5,000	-3.5%	¥4.4B ($28.2M)
2021-12-20	BUY	negotiated	auカブコム証券株式会社 Mitsubishi UFJ Financial Group Inc.	other	17.5K	¥3,910	+23.4%	¥68M ($441K)
2021-12-20	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	56.3K	¥3,910	+23.4%	¥39M ($249K)
2021-12-20	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	771.2K	¥3,910	+23.4%	¥3.0B ($19.5M)
2021-12-20	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.1K	¥3,910	+23.4%	¥2.0B ($12.7M)
2021-06-21	BUY	negotiated	株式会社三菱UFJ銀行 Mitsubishi UFJ Financial Group Inc.	strategic	505.1K	¥3,855	+25.2%	¥1.9B ($12.6M)
2021-06-21	BUY	negotiated	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	46.5K	¥3,855	+25.2%	¥70M ($449K)
2021-06-21	BUY	negotiated	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	2.0K	¥3,855	+25.2%	¥317M ($2.0M)
2021-06-21	BUY	negotiated	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	772.6K	¥3,855	+25.2%	¥89M ($572K)
2021-06-15	BUY	negotiated	三菱重工冷熱株式会社 Mitsubishi Heavy Industries Refrigeration Co., Ltd.	strategic	40.0K	¥3,870	+24.7%	¥155M ($999K)
2021-06-15	BUY	negotiated	三菱重工冷熱株式会社 Mitsubishi Heavy Industries Refrigeration Co., Ltd.	strategic	40.0K	¥3,870	+24.7%	¥155M ($999K)
2021-06-15	SELL	negotiated	三菱ケミカル株式会社 Mitsubishi Chemical Corporation	strategic	680.5K	¥3,870	-24.7%	¥597M ($3.9M)
2021-06-15	BUY	negotiated	三菱重工業株式会社 Mitsubishi Heavy Industries, Ltd.	strategic	975.0K	¥3,870	+24.7%	¥3.8B ($24.3M)
2021-06-15	BUY	negotiated	三菱重工業株式会社 Mitsubishi Heavy Industries, Ltd.	strategic	975.0K	¥3,870	+24.7%	¥3.8B ($24.3M)
2021-06-14	SELL	unknown	三菱商事株式会社 Mitsubishi Corporation	strategic	975.1K	¥3,860	-25.0%	¥165M ($1.1M)
2021-06-11	SELL	negotiated	三菱電機株式会社 Mitsubishi Electric Corporation	strategic	902.2K	¥3,800	-27.0%	¥169M ($1.1M)

Frequently asked questions

Who has been buying Mitsubishi Research Institute, Inc. stock?: 13 distinct investors have filed 16 disclosed large-shareholding filings in Mitsubishi Research Institute, Inc. (3636), most recently on 2026-03-02. 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 Mitsubishi Research Institute, Inc. have?: Mitsubishi Research Institute, Inc. has 16 buy-side and 10 sell-side disclosures on record, covering ¥16.9B ($109.2M) in total reported value, spanning 2021-06-11 to 2026-03-02.
Where does StockDrifts get Mitsubishi Research Institute, 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 Research Institute, Inc.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.