Who has been buying KOMEDA Holdings Co., Ltd. stock?

13 distinct investors have filed 20 disclosed large-shareholding filings in KOMEDA Holdings Co., Ltd. (3543), most recently on 2026-04-03. 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 KOMEDA Holdings Co., Ltd. have?

KOMEDA Holdings Co., Ltd. has 20 buy-side and 11 sell-side disclosures on record, covering ¥8.0B ($51.4M) in total reported value, spanning 2021-03-22 to 2026-04-03.

Where does StockDrifts get KOMEDA Holdings 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.

KOMEDA Holdings Co., Ltd. 3543

Company

株式会社コメダホールディングスKOMEDA Holdings Co., Ltd.

Investors

Buys

Total Value

¥8.0B ($51.4M)

Avg Return

+25.19%

Last Filing

2026-04-03

KOMEDA Holdings Co., Ltd. (3543) has 20 disclosed large-shareholding filings and 11 disclosed disposals on record, filed by 13 distinct investors. Together those filings cover ¥8.0B ($51.4M) in reported transaction value. The earliest filing StockDrifts holds for KOMEDA Holdings Co., Ltd. is dated 2021-03-22; the most recent is 2026-04-03. 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 +25.19%, 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
2026-04-03	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	passive	526.9K	¥3,080	-2.3%	¥1.6B ($10.5M)
2026-04-03	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	812.8K	¥3,080	-2.3%	¥2.5B ($16.2M)
2026-04-03	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	127.8K	¥3,080	-2.3%	¥394M ($2.5M)
2026-04-03	BUY	Market Buy	ブラックロック・フィナンシャル・マネジメント・インク(BlackRock Financial Management	passive	68.0K	¥3,080	-2.3%	¥209M ($1.4M)
2026-04-03	BUY	Market Buy	ブラックロック・ジャパン株式会社	passive	908.9K	¥3,080	-2.3%	¥2.8B ($18.1M)
2024-09-17	SELL	Market Buy	MUFGセキュリティーズ(カナダ) MUFG Securities(Canada	unknown	0	¥2,721	-14.7%	¥818M ($5.3M)
2024-09-17	SELL	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	17.9K	¥2,721	-14.7%	¥2.6B ($17.0M)
2024-09-17	BUY	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	329.9K	¥2,721	+14.7%	¥50M ($325K)
2024-09-17	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	755.5K	¥2,721	+14.7%	¥13M ($81K)
2024-09-02	BUY	Market Buy	MUFGセキュリティーズ(カナダ) MUFG Securities(Canada	other	299.5K	¥2,638	+18.3%	¥790M ($5.1M)
2024-09-02	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	985.5K	¥2,638	+18.3%	¥2.6B ($16.8M)
2024-09-02	BUY	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	307.9K	¥2,638	+18.3%	¥812M ($5.2M)
2024-09-02	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	750.5K	¥2,638	+18.3%	¥2.0B ($12.8M)
2023-02-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	714.8K	¥2,356	+32.4%	¥11M ($70K)
2023-02-21	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	1.5M	¥2,356	-32.4%	¥283M ($1.8M)
2022-12-21	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	1.6M	¥2,453	+27.2%	¥4.0B ($25.7M)
2022-12-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	711.5K	¥2,453	+27.2%	¥1.7B ($11.3M)
2022-10-31	SELL	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	458.0K	¥2,483	-25.6%	¥138M ($888K)
2022-10-31	SELL	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	57.3K	¥2,483	-25.6%	¥814M ($5.3M)
2022-10-31	SELL	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.3M	¥2,483	-25.6%	¥310M ($2.0M)
2021-08-30	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	381.0K	¥2,018	+54.6%	¥769M ($5.0M)
2021-08-30	BUY	Market Buy	三菱UFJ国際投信株式会社 Mitsubishi UFJ Financial Group Inc.	passive	514.2K	¥2,018	+54.6%	¥1.0B ($6.7M)
2021-08-30	BUY	Market Buy	三菱UFJ信託銀行株式会社 Mitsubishi UFJ Financial Group Inc.	passive	1.4M	¥2,018	+54.6%	¥2.9B ($18.7M)
2021-08-19	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	713.6K	¥2,008	-55.4%	¥584M ($3.8M)
2021-08-19	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	1.3M	¥2,008	+55.4%	¥93M ($598K)
2021-06-21	BUY	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	1.0M	¥2,035	+53.3%	¥2.0B ($13.2M)
2021-06-21	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	1.3M	¥2,035	+53.3%	¥2.7B ($17.1M)
2021-05-11	SELL	unknown	日興アセットマネジメント株式会社 Nikko Asset Management Co.,Ltd.	other	974.4K	¥2,023	-54.2%	¥513M ($3.3M)
2021-05-11	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	1.3M	¥2,023	-54.2%	¥233M ($1.5M)
2021-03-22	SELL	unknown	三井住友DSアセットマネジメント株式会社 Sumitomo Mitsui DS Asset Management Company, Limited	passive	1.4M	¥1,922.998	-62.3%	¥142M ($915K)
2021-03-22	SELL	unknown	SMBC日興証券株式会社 SMBC Nikko Securities Inc.	other	346.5K	¥1,922.998	-62.3%	¥1.0B ($6.7M)

Frequently asked questions

Who has been buying KOMEDA Holdings Co., Ltd. stock?: 13 distinct investors have filed 20 disclosed large-shareholding filings in KOMEDA Holdings Co., Ltd. (3543), most recently on 2026-04-03. 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 KOMEDA Holdings Co., Ltd. have?: KOMEDA Holdings Co., Ltd. has 20 buy-side and 11 sell-side disclosures on record, covering ¥8.0B ($51.4M) in total reported value, spanning 2021-03-22 to 2026-04-03.
Where does StockDrifts get KOMEDA Holdings 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 KOMEDA Holdings Co., Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.