Who has been buying FIXER Inc. stock?

6 distinct investors have filed 7 disclosed large-shareholding filings in FIXER Inc. (5129), most recently on 2026-04-20. 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 FIXER Inc. have?

FIXER Inc. has 7 buy-side and 7 sell-side disclosures on record, covering ¥8.3B ($53.3M) in total reported value, spanning 2022-10-12 to 2026-04-20.

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.

FIXER Inc. 5129

Company

株式会社FIXERFIXER Inc.

Investors

Buys

Total Value

¥8.3B ($53.3M)

Avg Return

-39.13%

Last Filing

2026-04-20

FIXER Inc. (5129) has 7 disclosed large-shareholding filings and 7 disclosed disposals on record, filed by 6 distinct investors. Together those filings cover ¥8.3B ($53.3M) in reported transaction value. The earliest filing StockDrifts holds for FIXER Inc. is dated 2022-10-12; the most recent is 2026-04-20. Across these filings the average return since disclosure is -39.13%, 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
2026-09-08	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥270	-	-
2026-09-08	BUY	private	エボファンド Evo Fund	engagement	3.4M	¥270	-4.4%	¥138M ($890K)
2026-09-04	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥286	-	-
2026-09-04	SELL	private	エボファンド Evo Fund	engagement	2.8M	¥286	+9.8%	¥150M ($965K)
2026-04-20	SELL	private	エボファンド Evo Fund	activist	3.4M	¥414	+37.7%	¥93M ($597K)
2026-04-20	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥414	-	-
2026-04-16	SELL	private	エボファンド Evo Fund	activist	3.6M	¥458	+43.7%	¥97M ($627K)
2026-04-16	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥458	-	-
2026-04-14	SELL	private	エボファンド Evo Fund	activist	3.9M	¥451	+42.8%	¥114M ($733K)
2026-04-14	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥451	-	-
2026-03-09	BUY	private	エボファンド Evo Fund	activist	4.2M	¥371	-30.5%	¥179M ($1.2M)
2026-03-09	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥371	-	-
2026-03-05	SELL	private	エボファンド Evo Fund	activist	3.6M	¥373	+30.8%	¥180M ($1.2M)
2026-03-05	BUY	private	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥373	-	-
2026-01-09	BUY	Market Buy	エボファンド Evo Fund	activist	4.2M	¥396	-34.9%	¥1.7B ($10.7M)
2026-01-09	BUY	Market Buy	エボリューション・キャピタル・マネジメント・エルエルシー Evolution Capital Management LLC	passive	0	¥396	-34.9%	-
2023-12-22	BUY	unknown	松岡清一 Seiichi Matsuoka	activist	9.0M	¥1,375	-	-
2023-12-22	BUY	unknown	株式会社mam mam Co., Ltd.	activist	663.3K	¥1,375	-	-
2023-12-01	SELL	unknown	松岡清一 Seiichi Matsuoka	activist	9.0M	¥1,303	+80.2%	¥402M ($2.6M)
2023-12-01	SELL	unknown	株式会社mam mam Co., Ltd.	activist	663.3K	¥1,303	+80.2%	¥29M ($186K)
2023-04-13	SELL	unknown	北村健 KEN KITAMURA	strategic	1.4M	¥2,196	+88.3%	¥87M ($561K)
2023-02-16	BUY	unknown	松岡清一 Seiichi Matsuoka	activist	9.0M	¥2,163	-	¥19.4B ($125.2M)
2023-02-16	BUY	unknown	株式会社mam mam Co., Ltd.	activist	663.3K	¥2,163	-	¥1.4B ($9.3M)
2023-02-16	BUY	unknown	株式会社mam mam Co., Ltd.	activist	663.3K	¥2,163	-	-
2023-02-16	BUY	unknown	松岡清一 Seiichi Matsuoka	activist	9.0M	¥2,163	-	-
2022-10-14	BUY	unknown	北村健 KEN KITAMURA	strategic	1.4M	¥1,525	-83.1%	¥2.1B ($13.8M)
2022-10-14	BUY	unknown	松岡清一 Seiichi Matsuoka	activist	9.0M	¥1,525	-83.1%	¥13.7B ($88.3M)
2022-10-14	BUY	unknown	株式会社mam mam Co., Ltd.	activist	663.3K	¥1,525	-83.1%	¥1.0B ($6.5M)
2022-10-12	BUY	subscription	平田実 Minoru Hirata	activist	945.0K	¥1,727	-85.1%	¥1.6B ($10.5M)

Frequently asked questions

Who has been buying FIXER Inc. stock?: 6 distinct investors have filed 7 disclosed large-shareholding filings in FIXER Inc. (5129), most recently on 2026-04-20. 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 FIXER Inc. have?: FIXER Inc. has 7 buy-side and 7 sell-side disclosures on record, covering ¥8.3B ($53.3M) in total reported value, spanning 2022-10-12 to 2026-04-20.
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.

More on this data

Every trade listed above comes from an official regulatory disclosure. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.