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MANAC Chemical Partners Co.,Ltd 4360

Company
株式会社マナック・ケミカル・パートナーズMANAC Chemical Partners Co.,Ltd
Investors
5
Buys
11
Total Value
¥4.3B ($28.0M)
Avg Return
+6.90%
Last Filing
2026-03-24

MANAC Chemical Partners Co.,Ltd (4360) has 11 disclosed large-shareholding filings and 2 disclosed disposals on record, filed by 5 distinct investors. Together those filings cover ¥4.3B ($28.0M) in reported transaction value. The earliest filing StockDrifts holds for MANAC Chemical Partners Co.,Ltd is dated 2025-08-27; the most recent is 2026-03-24. 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 +6.90%, measured from each filing date to the latest available close.

Price & insider activity (12 months)

Recent filings

DateTypeSourceInsiderPurposeSharesPrice at filingReturnValue
2026-03-24BUYnegotiated
オルガノ株式会社
other11.5K¥950+4.7%¥11M ($74K)
2026-03-24BUYnegotiated
東ソー・ファインケム株式会社
other25.3K¥950+4.7%¥25M ($162K)
2026-03-24BUYnegotiated
東ソー株式会社
strategic1.6M¥950+4.7%¥1.6B ($10.3M)
2026-02-27BUYnegotiated
オルガノ株式会社
other11.5K¥1,111-10.4%¥11M ($74K)
2026-02-27BUYnegotiated
東ソー・ファインケム株式会社
other25.3K¥1,111-10.4%¥25M ($162K)
2026-02-27BUYnegotiated
東ソー株式会社
strategic1.6M¥1,111-10.4%¥1.6B ($10.3M)
2026-02-27SELLnegotiated
オルガノ株式会社
unknown0¥1,111+10.4%-
2026-02-27BUYnegotiated
東ソー・ファインケム株式会社
other25.3K¥1,111+10.4%¥25M ($162K)
2026-02-27BUYnegotiated
東ソー株式会社
strategic1.6M¥1,111+10.4%¥1.6B ($10.3M)
2026-02-27SELLnegotiated
オルガノ株式会社
unknown0¥1,111+10.4%-
2026-02-27BUYnegotiated
東ソー・ファインケム株式会社
other25.3K¥1,111+10.4%¥25M ($162K)
2026-02-27BUYnegotiated
東ソー株式会社
strategic1.6M¥1,111+10.4%¥1.6B ($10.3M)
2026-02-27BUYnegotiated
オルガノ株式会社
other11.5K¥1,111-10.4%¥11M ($74K)
2026-02-27BUYnegotiated
東ソー・ファインケム株式会社
other25.3K¥1,111-10.4%¥25M ($162K)
2026-02-27BUYnegotiated
東ソー株式会社
strategic1.6M¥1,111-10.4%¥1.6B ($10.3M)
2025-11-28BUYMarket Buy
一般財団法人松永財団
Matsunaga Foundation
other1.3M¥638+56.0%¥855M ($5.5M)
2025-11-28BUYMarket Buy
一般財団法人松永財団
Matsunaga Foundation
other1.3M¥638+56.0%¥855M ($5.5M)
2025-08-27BUYunknown
杉之原 祥二
Shoji Suginohara
activist469.4K¥591+68.4%¥277M ($1.8M)

Frequently asked questions

Who has been buying MANAC Chemical Partners Co.,Ltd stock?
5 distinct investors have filed 11 disclosed large-shareholding filings in MANAC Chemical Partners Co.,Ltd (4360), most recently on 2026-03-24. 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 MANAC Chemical Partners Co.,Ltd have?
MANAC Chemical Partners Co.,Ltd has 11 buy-side and 2 sell-side disclosures on record, covering ¥4.3B ($28.0M) in total reported value, spanning 2025-08-27 to 2026-03-24.
Where does StockDrifts get MANAC Chemical Partners 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 MANAC Chemical Partners Co.,Ltd. For how StockDrifts scores these disclosures, see the Japan insider signal tier research, or browse every Japanese stock we track.