Who has been buying Daiwa Office Investment Corporation stock?

8 distinct investors have filed 20 disclosed large-shareholding filings in Daiwa Office Investment Corporation (8976), most recently on 2026-03-06. 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 Daiwa Office Investment Corporation have?

Daiwa Office Investment Corporation has 20 buy-side and 9 sell-side disclosures on record, covering ¥48.5B ($313.0M) in total reported value, spanning 2021-06-04 to 2026-03-06.

Where does StockDrifts get Daiwa Office Investment Corporation 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.

Daiwa Office Investment Corporation 8976

Company

大和証券オフィス投資法人Daiwa Office Investment Corporation

Investors

Buys

Total Value

¥48.5B ($313.0M)

Avg Return

+27.21%

Last Filing

2026-03-06

Daiwa Office Investment Corporation (8976) has 20 disclosed large-shareholding filings and 9 disclosed disposals on record, filed by 8 distinct investors. Together those filings cover ¥48.5B ($313.0M) in reported transaction value. The earliest filing StockDrifts holds for Daiwa Office Investment Corporation is dated 2021-06-04; the most recent is 2026-03-06. 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 +27.21%, 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
2026-07-07	SELL	unknown	アセットマネジメントOne株式会社	other	37.8K	¥330,000	+0.0%	¥3.2B ($20.9M)
2026-07-07	BUY	Market Buy	みずほ証券株式会社	other	3.8K	¥330,000	+0.0%	¥925M ($6.0M)
2026-03-06	SELL	unknown	アセットマネジメントOne株式会社	other	47.7K	¥356,000	+3.9%	¥16.3B ($105.2M)
2026-03-06	BUY	unknown	みずほ証券株式会社	other	952	¥356,000	+3.9%	¥326M ($2.1M)
2026-02-06	BUY	Market Buy	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	48.2K	¥370,000	-7.6%	¥311M ($2.0M)
2025-12-05	BUY	unknown	アセットマネジメントOne株式会社	other	44.6K	¥369,000	-7.3%	¥15.2B ($98.3M)
2025-12-05	BUY	unknown	みずほ証券株式会社	other	2.7K	¥369,000	-7.3%	¥926M ($6.0M)
2025-09-19	SELL	unknown	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	16.6K	¥370,500	+7.7%	¥384M ($2.5M)
2025-09-19	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	39.5K	¥370,500	+7.7%	¥1.0B ($6.5M)
2025-04-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	4.3K	¥306,000	+11.8%	¥1.0B ($6.7M)
2025-04-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	37.5K	¥306,000	-11.8%	¥3.2B ($20.9M)
2024-08-22	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	969	¥304,500	+12.3%	¥295M ($1.9M)
2024-08-22	SELL	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	48.6K	¥304,500	-12.3%	¥117M ($752K)
2024-08-21	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	17.9K	¥303,000	-12.9%	¥464M ($3.0M)
2024-08-21	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	42.8K	¥303,000	-12.9%	¥2.5B ($15.9M)
2024-07-22	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	49.0K	¥293,300	+16.6%	¥14.4B ($92.8M)
2024-07-05	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	47.5K	¥287,900	+18.8%	¥1.2B ($8.0M)
2024-07-05	SELL	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	842	¥287,900	-18.8%	¥1.9B ($12.4M)
2024-06-07	BUY	unknown	アセットマネジメントOne株式会社 Asset Management One Co., Ltd.	other	43.1K	¥279,100	+22.5%	¥12.0B ($77.7M)
2024-06-07	BUY	unknown	みずほ証券株式会社 Mizuho Securities Co., Ltd.	other	7.5K	¥279,100	+22.5%	¥2.1B ($13.5M)
2023-07-06	BUY	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	25.5K	¥318,000	+7.5%	¥1.5B ($9.7M)
2023-07-06	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	9.7K	¥318,000	+7.5%	¥167M ($1.1M)
2023-01-19	BUY	Market Buy	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	9.2K	¥306,500	+11.6%	¥161M ($1.0M)
2023-01-19	BUY	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	20.7K	¥306,500	+11.6%	¥1.5B ($9.4M)
2022-12-05	BUY	Market Buy	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	16.5K	¥334,500	+2.2%	¥656M ($4.2M)
2022-12-05	BUY	Market Buy	株式会社大和証券グループ本社 Daiwa Securities Group Inc.	corporate	67.3K	¥334,500	+2.2%	¥464M ($3.0M)
2022-12-05	BUY	Market Buy	株式会社大和インベストメント・マネジメント Daiwa Investment Management Inc	other	128.9K	¥334,500	+2.2%	¥864M ($5.6M)
2022-06-21	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	16.2K	¥167,250	+104.5%	¥2.7B ($17.4M)
2022-06-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	8.7K	¥167,250	+104.5%	¥1.5B ($9.4M)
2021-12-03	SELL	Market Buy	ピージージーエムフェルモーホンビヘーアビーブイ(PGGM Vermogensbeheer B.V.) PGGM Vermogensbeheer B.V.	passive	20.1K	¥180,250	-89.7%	¥977M ($6.3M)
2021-06-04	BUY	Market Buy	大和アセットマネジメント株式会社 Daiwa Asset Management Co.Ltd.	other	14.8K	¥197,250	+73.4%	¥241M ($1.6M)
2021-06-04	BUY	Market Buy	株式会社大和証券グループ本社 Daiwa Securities Group Inc.	corporate	67.3K	¥197,250	+73.4%	¥684M ($4.4M)
2021-06-04	BUY	Market Buy	株式会社大和インベストメント・マネジメント Daiwa Investment Management Inc	other	128.9K	¥197,250	+73.4%	¥193M ($1.2M)

Frequently asked questions

Who has been buying Daiwa Office Investment Corporation stock?: 8 distinct investors have filed 20 disclosed large-shareholding filings in Daiwa Office Investment Corporation (8976), most recently on 2026-03-06. 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 Daiwa Office Investment Corporation have?: Daiwa Office Investment Corporation has 20 buy-side and 9 sell-side disclosures on record, covering ¥48.5B ($313.0M) in total reported value, spanning 2021-06-04 to 2026-03-06.
Where does StockDrifts get Daiwa Office Investment Corporation 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 Daiwa Office Investment Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.