Quantum-Si Inc (QSI) — research page
US · us-cm-kg/NASDAQ/QSI · as of 2026-11-08
Identity and listing
The issuer is Quantum-Si Inc, listed on NASDAQ under ticker QSI, with ISIN US74765K1051. The LEI is not on the record, because no GLEIF record with the exact legal name in jurisdiction US-DE was found. The security type is Corporate, the sector is 3829 Measuring & Controlling Devices, NEC, and the jurisdiction is United States, Delaware. The segment is not on the record. The listing status is listed, not halted.
| field | value | source · read date |
|---|---|---|
| name | Quantum-Si Inc | source · 2026-11-08 |
| exchange | NASDAQ | source · 2026-11-08 |
| ticker | QSI | source · 2026-11-08 |
| ISIN | US74765K1051 | source · 2026-10-13 |
| LEI | not on the record | |
| security type | Corporate | source · 2026-11-08 |
| segment | not on the record | |
| sector | 3829 Measuring & Controlling Devices, NEC | 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 74 filings across 25 filing days in the twelve months to 2026-11-08. The median gap between filing days is 8.5 days. The latest filing is dated 2026-11-05 and is of type results, 3 days before the record date. The NASDAQ median cadence gap is 6.0 days, with a median of 52 filings and a median latency of 5.0 days, across 4359 issuers. The 3829 sector median cadence gap is 6.2 days, with a median of 59.5 filings and a median latency of 8.0 days, across 10 issuers.
| filings | median gap between filing days | days from latest filing to as-of | |
|---|---|---|---|
| this issuer | 74 | 8.5 | 3 |
| exchange median: NASDAQ (4359 issuers) | 52 | 6 | 5 |
| sector median: 3829 Measuring & Controlling Devices, NEC (10 issuers) | 59.5 | 6.2 | 8 |
| date | type | category | filing |
|---|---|---|---|
| 2026-11-05 | results | 10-Q | 10-Q — 10-Q |
| 2026-11-05 | results | 8-K | 8-K — 8-K (items 2.02,9.01) |
| 2026-10-15 | corporate_news | 8-K | 8-K — 8-K (items 8.01,9.01) |
| 2026-10-08 | corporate_news | 8-K | 8-K — 8-K (items 7.01,9.01) |
| 2026-09-29 | corporate_news | 8-K | 8-K — 8-K (items 7.01,9.01) |
window 2025-11-08 to 2026-11-08 · the node's disclosure lines, as get_filings serves them
Auditor
The auditor of record is PricewaterhouseCoopers LLP, located in San Diego, California. The record holds no auditor changes.
Events and halts
The record holds one delisting line, dated 2026-06-10. No listing, name change or segment move lines are on the record. A domicile change is not on the record, because EDGAR states no dated change of state of incorporation on a filing line. The segment move is not on the record, because the exchanges' tier transfers are not EDGAR filings. The halt flag is listed, not halted.
Orderability
The outcome is not determinable under rule version acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1, as of chapter date 2026-11-04. The chapter's orderability section carries no client categories, so the outcome cannot name its client category.
rule acm-68000/us/reasonable-basis-suitability-finra-rule-2111/r1 · chapter as of 2026-11-04 · the full outcome: get_orderability
Coverage
No research houses were found on the issuer's investor-relations pages read.
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
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.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/CIK0001816431.json (identity.jurisdiction)
- 10.4
- https://mcp.us-cm-kg.ai/events/NASDAQ/QSI (the disclosure lines)
- 10.5
- https://www.nasdaqtrader.com/rss.aspx?feed=tradehalts (the halt flag)
- 10.6
- https://www.sec.gov/Archives/edgar/data/1816431/000181643126000011/qsi-20251231.htm (the auditor)
- 10.7
- https://mcp.us-cm-kg.ai/book/aio.json (the orderability chapter)
- 10.8
- https://mcp.us-cm-kg.ai/record/NASDAQ/QSI (the record)
Read it by agent
The same page, signed and receipted: get_research at https://mcp.getresearch.ai/mcp with {"isin":"US74765K1051"}. Twins: .md · .json. Written: Claude through the platform account, Haiku class; one pass; checked against the numbers. Page hash sha256:2b18bd654a78e984.