QUANTUM CORP /DE/ (QMCO) — research page
US · us-cm-kg/NASDAQ/QMCO · as of 2026-11-08
Identity and listing
The issuer is QUANTUM CORP /DE/, listed on NASDAQ under ticker QMCO, with ISIN US7479066000 and LEI 5493007210175UIK7S88. Its security type is Corporate, and its segment is not on the record. Its sector is 3572 Computer Storage Devices, and its jurisdiction is United States — Delaware. Its listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | QUANTUM CORP /DE/ | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | QMCO | source · 2026-11-08 |
| ISIN | US7479066000 | source · 2026-10-14 |
| LEI | 5493007210175UIK7S88 | source · 2026-11-08 |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 3572 Computer Storage Devices | source · 2026-11-08 |
| jurisdiction | United States — Delaware | source · 2026-11-08 |
| status | listed, not halted | source · 2026-11-08 |
The disclosure read
The record holds 76 filings across 44 filing days in the window from 2025-11-08 to 2026-11-08. The median gap between filing days is 7 days. The latest filing is dated 2026-11-06, a regulatory_filing, 2 days before the record date. The exchange median cadence gap is 6.0 days across 4359 NASDAQ issuers, and the sector median cadence gap is 2.8 days across 6 issuers. The exchange median latency is 5.0 days and the sector median latency is 3.0 days. The exchange median filings count is 52, and the sector median filings count is 146.5.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 76 | 7 | 2 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 3572 Computer Storage Devices (6 issuers) | 146.5 | 2.8 | 3 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-06 | regulatory_filing | SCHEDULE 13G | SCHEDULE 13G |
| 2026-10-09 | director_change | 8-K | 8-K — 8-K (items 5.02,8.01) |
| 2026-10-05 | directors_dealings | 4 | 4 — FORM 4 |
| 2026-10-05 | directors_dealings | 4 | 4 — FORM 4 |
| 2026-10-05 | directors_dealings | 4 | 4 — FORM 4 |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is CohnReznick LLP, located in Melville, New York. The record holds no auditor changes.
Events and halts
The record holds no listing, delisting, name change or segment move lines. The domicile change is not on the record, as EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, as the exchanges' tier transfers are not EDGAR filings. The halt flag shows listed, not halted.
Orderability
The orderability outcome is not determinable, because the chapter's orderability section carries no client_categories and the outcome cannot name its client category. The rule version is acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, and the chapter is as of 2026-11-04.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
The issuer's investor-relations page names 3 research houses: Cantor Fitzgerald, Lake Street Capital Markets and Northland Capital Markets.
| research house | analyst | source · read date |
|---|---|---|
| Cantor Fitzgerald | Brett Knoblauch | issuer page · 2026-11-11 |
| Lake Street Capital Markets | Jacob Stephan | issuer page · 2026-11-11 |
| Northland Capital Markets | Nehal Chokshi | issuer page · 2026-11-11 |
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 record holds sealed years 2021, 2022, 2023, 2024, 2025 and 2026 for this issuer. The market's earliest sealed date is 2021-01-04. The live record began on 2026-09-12.
Sources
10 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.sec.gov/files/company_tickers_exchange.json (identity.exchange)
- 10.2
- https://www.sec.gov/data-research/sec-markets-data/fails-deliver-data (identity.isin)
- 10.3
- https://data.sec.gov/submissions/CIK0000709283.json (identity.jurisdiction)
- 10.4
- https://mapping.gleif.org/api/v2/isin-lei/latest/download (identity.lei)
- 10.5
- https://mcp.us-cm-kg.ai/events/NASDAQ/QMCO (the disclosure lines)
- 10.6
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.7
- https://www.sec.gov/Archives/edgar/data/709283/000162828026045602/qtm-20260331.htm (the auditor)
- 10.8
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.9
- https://investors.quantum.com/stock-info/analyst-coverage (coverage)
- 10.10
- https://mcp.us-cm-kg.ai/record/NASDAQ/QMCO (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"US7479066000"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:ccb4e874278d7436.