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PCA Corporation 9629

Company
ピー・シー・エー株式会社PCA Corporation
Investors
2
Buys
2
Total Value
¥109M ($703K)
Avg Return
+24.54%
Last Filing
2026-04-06

PCA Corporation (9629) has 2 disclosed large-shareholding filings and 1 disclosed disposals on record, filed by 2 distinct investors. Together those filings cover ¥109M ($703K) in reported transaction value. The earliest filing StockDrifts holds for PCA Corporation is dated 2021-04-06; the most recent is 2026-04-06. 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 +24.54%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-07-29BUYMarket Buy
株式会社UH Partners 2
passive270.7K¥1,444+7.3%¥321M ($2.1M)
2026-07-29BUYMarket Buy
光通信株式会社
passive1.5M¥1,444+7.3%¥2.2B ($14.0M)
2026-07-08BUYMarket Buy
株式会社UH Partners 2
passive48.3K¥1,398+9.4%¥68M ($436K)
2026-07-08BUYMarket Buy
光通信株式会社
passive1.5M¥1,398+9.4%¥243M ($1.6M)
2026-06-16BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive1.3M¥1,278+8.1%¥290M ($1.9M)
2026-05-29BUYMarket Buy
光通信株式会社
Hikari Tsushin K.K.
passive1.1M¥1,226+2.3%¥1.4B ($8.7M)
2026-05-21SELLMarket Buy
マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company)
Massachusetts Financial Services Company
passive831.0K¥1,206-6.7%¥366M ($2.4M)
2026-04-06SELLMarket Buy
マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company)
Massachusetts Financial Services Company
passive1.1M¥1,672+21.1%¥394M ($2.5M)
2022-04-19BUYunknown
株式会社Kawashima
Kawashima Co.,Ltd.
activist8.2M¥1,538+8.3%¥12.6B ($81.4M)
2021-06-07BUYMarket Buy
マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company)
Massachusetts Financial Services Company
passive479.4K¥1,401.67+18.9%¥109M ($703K)
2021-04-06BUYMarket Buy
マサチューセッツ・ファイナンシャル・サービセズ・カンパニー(Massachusetts Financial Services Company)
Massachusetts Financial Services Company
passive401.9K¥1,279.386+30.2%¥514M ($3.3M)

Frequently asked questions

Who has been buying PCA Corporation stock?
2 distinct investors have filed 2 disclosed large-shareholding filings in PCA Corporation (9629), most recently on 2026-04-06. 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 PCA Corporation have?
PCA Corporation has 2 buy-side and 1 sell-side disclosures on record, covering ¥109M ($703K) in total reported value, spanning 2021-04-06 to 2026-04-06.
Where does StockDrifts get PCA 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 PCA Corporation. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.