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Japan Post Holdings Co., Ltd. 6178

Company
日本郵政株式会社Japan Post Holdings Co., Ltd.
Investors
1
Buys
1
Total Value
¥118.4B ($763.6M)
Avg Return
+22.84%
Last Filing
2025-09-01

Japan Post Holdings Co., Ltd. (6178) has 1 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 1 distinct investors. Together those filings cover ¥118.4B ($763.6M) in reported transaction value. The earliest filing StockDrifts holds for Japan Post Holdings Co., Ltd. is dated 2021-06-18; the most recent is 2025-09-01. Across these filings the average return since disclosure is +22.84%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2025-09-01BUYMarket Buy
財務大臣
Minister of Finance
other1068.7M¥1,519.5+66.3%¥118.4B ($763.6M)
2021-11-04SELLunknown
財務大臣
Minister of Finance
other1256.0M¥852.5-196.5%¥559.2B ($3.6B)
2021-06-18BUYunknown
財務大臣
Minister of Finance
other2283.4M¥904-¥249.8B ($1.6B)
2021-06-18SELLunknown
日本郵政株式会社
Minister of Finance
other2283.4M¥904-179.6%¥249.8B ($1.6B)

Frequently asked questions

Who has been buying Japan Post Holdings Co., Ltd. stock?
1 distinct investors have filed 1 disclosed large-shareholding filings in Japan Post Holdings Co., Ltd. (6178), most recently on 2025-09-01. 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 Japan Post Holdings Co., Ltd. have?
Japan Post Holdings Co., Ltd. has 1 buy-side and 2 sell-side disclosures on record, covering ¥118.4B ($763.6M) in total reported value, spanning 2021-06-18 to 2025-09-01.
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.