Who has been buying Kitabo Co. Ltd. stock?

7 distinct investors have filed 16 disclosed large-shareholding filings in Kitabo Co. Ltd. (3409), 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 Kitabo Co. Ltd. have?

Kitabo Co. Ltd. has 16 buy-side and 12 sell-side disclosures on record, covering ¥1.3B ($8.5M) in total reported value, spanning 2021-08-17 to 2026-03-06.

Where does StockDrifts get Kitabo 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.

Kitabo Co. Ltd. 3409

Company

株式会社北紡Kitabo Co. Ltd.

Investors

Buys

Total Value

¥1.3B ($8.5M)

Avg Return

-10.86%

Last Filing

2026-03-06

Kitabo Co. Ltd. (3409) has 16 disclosed large-shareholding filings and 12 disclosed disposals on record, filed by 7 distinct investors. Together those filings cover ¥1.3B ($8.5M) in reported transaction value. The earliest filing StockDrifts holds for Kitabo Co. Ltd. is dated 2021-08-17; 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 -10.86%, 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
2026-03-06	SELL	Market Buy	ミツワ樹脂工業株式会社取締役社長平野正浩 Mitsuwa resin industry Ltd.	passive	27.9M	¥131	+9.9%	¥86M ($554K)
2026-03-04	BUY	Market Buy	株式会社スカイサルーントラベル代表取締役石綿圭汰 SkySloonTravel	passive	1.9M	¥116	+1.7%	¥225M ($1.5M)
2025-12-17	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	29.2M	¥109	+8.3%	¥23M ($146K)
2025-12-17	SELL	unknown	松井証券株式会社 Matsui Securities Co.,Ltd	other	1.1M	¥109	-8.3%	¥31M ($200K)
2025-11-04	BUY	unknown	松井証券株式会社 Matsui Securities Co.,Ltd	other	1.4M	¥145	-18.6%	¥201M ($1.3M)
2025-10-15	SELL	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	29.2M	¥165	+28.5%	¥130M ($840K)
2025-06-25	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	29.6M	¥236	-50.0%	¥43M ($279K)
2025-06-25	SELL	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	29.6M	¥236	+50.0%	¥61M ($396K)
2025-06-03	BUY	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	28.4M	¥183	-35.5%	¥50M ($325K)
2025-06-03	SELL	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	28.4M	¥183	+35.5%	¥290M ($1.9M)
2025-06-03	BUY	Market Buy	ミツワ樹脂工業株式会社取締役社長平野正浩 Mitsuwa resin industry Ltd.	passive	28.4M	¥183	-35.5%	¥50M ($325K)
2025-06-03	BUY	Market Buy	ミツワ樹脂工業株式会社取締役社長平野正浩 Mitsuwa resin industry Ltd.	passive	28.4M	¥183	-35.5%	¥290M ($1.9M)
2025-05-28	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	30.1M	¥181	-34.8%	¥32M ($208K)
2025-05-28	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	30.1M	¥181	-34.8%	¥32M ($208K)
2025-05-28	SELL	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	30.1M	¥181	+34.8%	¥289M ($1.9M)
2025-01-22	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	30.7M	¥105	+12.4%	¥1.1B ($7.1M)
2025-01-22	BUY	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	29.0M	¥105	+12.4%	¥1.2B ($7.6M)
2024-11-29	SELL	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	3.7M	¥82	-43.9%	¥58M ($373K)
2024-07-25	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	4.1M	¥98	+20.4%	¥6M ($41K)
2024-07-02	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	4.1M	¥105	+12.4%	¥9M ($58K)
2023-08-25	SELL	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	4.1M	¥122	+3.3%	¥34M ($217K)
2023-08-01	BUY	Market Buy	PT ASIA PLASTIK VIKTORICEO HENDRA PT ASIA PLASTIK VIKTORI	passive	4.1M	¥125	-5.6%	¥510M ($3.3M)
2023-07-19	BUY	Market Buy	ASIA PLASTIC VICTORY PTE.LTD.	passive	2.3M	¥129	-8.5%	¥299M ($1.9M)
2023-07-19	SELL	Market Buy	ASIA PLASTIC VICTORY PTE.LTD.	passive	1.4M	¥129	+8.5%	¥136M ($875K)
2023-07-13	BUY	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	2.0M	¥127	-7.1%	¥111M ($718K)
2023-07-06	SELL	unknown	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	0	¥127	+7.1%	¥190M ($1.2M)
2023-07-06	BUY	Market Buy	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	1.2M	¥127	-7.1%	¥72M ($466K)
2023-07-06	BUY	unknown	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	1.2M	¥127	-7.1%	¥72M ($466K)
2023-07-06	SELL	unknown	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	372.1K	¥127	+7.1%	¥121M ($778K)
2023-07-06	BUY	unknown	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	2.1M	¥127	-7.1%	¥43M ($276K)
2023-07-06	BUY	unknown	合同会社サクセスインベストメント SUCCESS INVESTMENT LLC	strategic	1.3M	¥127	-7.1%	¥131M ($847K)
2023-07-05	BUY	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	1.2M	¥121	-2.5%	¥141M ($907K)
2023-07-05	BUY	Market Buy	ミツワ樹脂工業株式会社 Mitsuwa resin industry Ltd.	passive	1.2M	¥121	-2.5%	¥141M ($907K)
2021-09-08	BUY	Market Buy	ASIA PLASTIC VICTORY PTE.LTD.	passive	2.3M	¥201	-41.3%	¥466M ($3.0M)
2021-08-25	SELL	Market Buy	ニューエネルギーマネジメント合同会社 new energy management LLC.	passive	940.8K	¥278	+57.5%	¥131M ($847K)
2021-08-17	BUY	Market Buy	ニューエネルギーマネジメント合同会社 new energy management LLC.	passive	1.4M	¥193	-38.9%	¥276M ($1.8M)

Frequently asked questions

Who has been buying Kitabo Co. Ltd. stock?: 7 distinct investors have filed 16 disclosed large-shareholding filings in Kitabo Co. Ltd. (3409), 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 Kitabo Co. Ltd. have?: Kitabo Co. Ltd. has 16 buy-side and 12 sell-side disclosures on record, covering ¥1.3B ($8.5M) in total reported value, spanning 2021-08-17 to 2026-03-06.
Where does StockDrifts get Kitabo 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 Kitabo Co. Ltd.. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.