ALSOK CO.,LTD. (2331) — research page
JP · jp-cm-kg/TSE-PRIME/2331 · as of 2026-11-06
Identity and listing
The issuer is ALSOK CO.,LTD., listed on the Prime Market under ticker 2331. The ISIN is not on the record and the LEI is not on the record. The security type is Corporate. The segment is not on the record. The sector is 9050 Services. The jurisdiction is Japan (EDINET domestic filer). The issuer is listed and not halted.
| field | value | source · read date |
|---|---|---|
| name | ALSOK CO.,LTD. | source · 2026-11-06 |
| exchange | Prime Market | source · 2026-11-06 |
| ticker | 2331 | source · 2026-11-06 |
| ISIN | not on the record | |
| LEI | not on the record | |
| security type | Corporate | source · 2026-11-06 |
| segment | not on the record | |
| sector | 9050 Services | source · 2026-11-06 |
| jurisdiction | Japan (EDINET domestic filer) | source · 2026-11-06 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 11 filings across 9 filing days in the window 2025-11-06 to 2026-11-06. By type, the record holds 2 ad hoc, 5 corporate news, 1 major holder, 2 regulatory filing and 1 results filing. The median gap between filing days is 26.0 days. The latest filing is dated 2026-10-14, a corporate news filing, 23 days before the record date of 2026-11-06. The Prime Market median is 1,557 issuers, 10 filings, a 29.0-day cadence gap and 70.0 days of latency. The 9050 Services median is 579 issuers, 8 filings, a 44.5-day cadence gap and 84 days of latency.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 11 | 26 | 23 |
| exchange median: Prime Market (1557 issuers) | 10 | 29 | 70 |
| sector median: 9050 Services (579 issuers) | 8 | 44.5 | 84 |
| date | type | category | filing |
|---|---|---|---|
| 2026-10-14 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-09-11 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-08-14 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-07-13 | corporate_news | 自己株券買付状況報告書 (share buy-back status report) | 自己株券買付状況報告書（法２４条の６第１項に基づくもの） |
| 2026-06-29 | ad_hoc | 臨時報告書 (extraordinary report) | 臨時報告書 |
window 2025-11-06 to 2026-11-06 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is 太陽有限責任監査法人. Its location is not on the record. Auditor changes are not on the record.
Events and halts
The record does not carry listing, delisting, name change, domicile change or segment move entries for this register. The issuer is listed and not halted.
Orderability
For the Qualified Institutional Investors client category, the outcome is not determinable, because the rule states a product scope and the record carries no instrument class to place within it. The rule version is acm-68000/jp/suitability-principle-fiea-article-40/r1, with chapter as-of date 2026-11-04.
| client category | outcome |
|---|---|
| Qualified Institutional Investors | not determinable: the rule states a product scope and the subject's record carries no instrument class to place within it |
rule acm-68000/jp/suitability-principle-fiea-article-40/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
The record holds seven research houses named on the issuer's investor-relations page: Daiwa Securities Co. Ltd., IwaiCosmo Securities Co.,Ltd., Mizuho Securities Co., Ltd., Morgan Stanley MUFG Securities Co., Ltd., Nomura Securities Co.,Ltd., OKASAN SECURITIES CO., LTD. and SBI SECURITIES Co.,Ltd.
| research house | analyst | source · read date |
|---|---|---|
| Daiwa Securities Co. Ltd. | Satoru Sekine | issuer page · 2026-11-12 |
| IwaiCosmo Securities Co.,Ltd. | Tomoaki Kawasaki | issuer page · 2026-11-12 |
| Mizuho Securities Co., Ltd. | Yuki Kuwana | issuer page · 2026-11-12 |
| Morgan Stanley MUFG Securities Co., Ltd. | Katsumi Arai | issuer page · 2026-11-12 |
| Nomura Securities Co.,Ltd. | Kyoichiro Shigemura | issuer page · 2026-11-12 |
| OKASAN SECURITIES CO., LTD. | Keisuke Iwafuchi | issuer page · 2026-11-12 |
| SBI SECURITIES Co.,Ltd. | Togo Masubuchi | issuer page · 2026-11-12 |
Open research
No openly published research notes were found on the record.
Licensed
Licensed research: none loaded. A licensed row is served only to an agent whose firm holds that licence (licensor, entitlement). No licensed row is loaded.
| licensor | entitlement | title | date | source |
|---|---|---|---|---|
| none loaded |
As-of depth
The market's vintage is not sealed. No sealed years hold the issuer, and no earliest sealed date or live-record start date is on the record.
Sources
8 source pages are named on this page; every value above carries its own source page and read date in the numbers.
- 10.1
- https://www.jpx.co.jp/english/markets/statistics-equities/misc/tvdivq0000001vg2-att/data_e.xlsx (identity.exchange)
- 10.2
- https://disclosure2dl.edinet-fsa.go.jp/searchdocument/codelist/Edinetcode.zip (identity.jurisdiction)
- 10.3
- https://mcp.jp-cm-kg.ai/events/TSE-PRIME/2331 (the disclosure lines)
- 10.4
- https://www.jpx.co.jp/markets/equities/suspended/index.html (the halt flag)
- 10.5
- https://disclosure2.edinet-fsa.go.jp/WZEK0040.aspx?S100Y7EC (the auditor)
- 10.6
- https://mcp.jp-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.7
- https://www.alsok.co.jp/en/ir/stock/analyst.html (coverage)
- 10.8
- https://mcp.jp-cm-kg.ai/record/TSE-PRIME/2331 (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"ticker":"2331","exchange":"Prime Market"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:a1a9c27d0b116e05.