
Quantumsphere Acquisition Corp — Investor Relations & Filings
Quantumsphere Acquisition Corp. is a blank check company, also known as a special purpose acquisition company (SPAC), formed for the purpose of effecting a merger, share exchange, asset acquisition, stock purchase, recapitalization, or other similar business combination with one or more businesses. The company's stated business objective is to integrate digital and physical experiences through innovative platforms, thereby fostering new forms of interaction and engagement.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 10-Q - QUANTUMSPHERE ACQUISITION CORP (0002070900) (Filer) | 2026-02-19 | English | |
| SCHEDULE 13G/A Filing | 2026-02-17 | English | |
| SCHEDULE 13G Filing | 2026-02-12 | English | |
| 8-K | 2026-01-23 | English | |
| 10-Q | 2025-11-14 | English | |
| Major Shareholding Notification 2025 | 2025-11-14 | English |
| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
4 filings
| |||||
| 32901321 | 10-Q - QUANTUMSPHERE ACQUISITION CORP (0002070900) (Filer) | 2026-02-19 | English | ||
| 32345680 | SCHEDULE 13G/A Filing | 2026-02-17 | English | ||
| 32345650 | SCHEDULE 13G Filing | 2026-02-12 | English | ||
| 13727633 | 8-K | 2026-01-23 | English | ||
|
2025
11 filings
| |||||
| 13727632 | 10-Q | 2025-11-14 | English | ||
| 13727634 | Major Shareholding Notification 2025 | 2025-11-14 | English | ||
| 13727635 | Major Shareholding Notification 2025 | 2025-11-07 | English | ||
| 13727636 | 8-K/A | 2025-10-10 | English | ||
| 13727637 | 8-K | 2025-10-03 | English | ||
| 13727638 | 8-K | 2025-09-26 | English | ||
| 13727639 | 10-Q | 2025-09-18 | English | ||
| 13727640 | Major Shareholding Notification 2025 | 2025-09-15 | English | ||
| 13727641 | 8-K | 2025-08-13 | English | ||
| 13727642 | FORM 3 | 2025-08-12 | English | ||
| 13727643 | FORM 3 | 2025-08-11 | English | ||
Market data
Market data not available
Price history
Peer group · Activities of holding companies
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
BONAIRE PARTICIPAÇÕES S.A.- EM LIQUIDAÇÃO
Holding company in liquidation managing asset realization a…
|
— | BR | Financial and insurance activit… |
|
Boreo Oyj
Acquires and develops B2B companies in electronics and tech…
|
BOREO | FI | Financial and insurance activit… |
|
Borgosesia
An industrial holding company investing in non-performing a…
|
BO | IT | Financial and insurance activit… |
|
BORUSAN YATIRIM VE PAZARLAMA A.Ş.
An investment and holding company with a portfolio in indus…
|
BRYAT | TR | Financial and insurance activit… |
|
Bosqar d.d.
Investment holding company acquiring and developing busines…
|
MRUL | HR | Financial and insurance activit… |
|
BOSTON INTERNATIONAL HOLDINGS PLC
A SPAC focused on acquiring businesses within the foreign e…
|
BIH | GB | Financial and insurance activit… |
|
BOSTON OMAHA Corp
A holding company with operations in advertising, broadband…
|
BOC | US | Financial and insurance activit… |
|
Bowram Energy Inc.
Identifies and acquires businesses or assets to complete a …
|
BRO.P | CA | Financial and insurance activit… |
|
BRADESPAR S/A
Investment holding company focused on mineral resources and…
|
— | BR | Financial and insurance activit… |
|
BRAIT PLC
Investment holding company investing in sizeable, unlisted …
|
BAT | MU | Financial and insurance activit… |
Quantumsphere Acquisition Corp via the API
Pull this company's filings, identifiers, and metadata as JSON or Markdown. Authenticate with your API key, then query by company ID, ISIN, or LEI. Full schema documented in the OpenAPI spec.
Endpoints
| GET | /api/companies/35587/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=35587 | Paginated list of all filings (filterable by type, date, language) |
| GET | /api/filings/{id}/ | Single filing — metadata, document URL, processing status |
| GET | /api/filings/{id}/markdown/ | Filing content as Markdown (PDF → text/tables/figures) |
| GET | /api/isins/?company=35587 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
cURL
$ curl https://api.financialreports.eu/api/filings/?company=35587 \ -H "x-api-key: $FR_API_KEY" \ -H "Accept: application/json"
Python
import requests r = requests.get( "https://api.financialreports.eu/api/filings/", params={"company": 35587}, headers={"x-api-key": API_KEY}, ) filings = r.json()["results"]
MCP server
// MCP server URL https://mcp.financialfilings.com/mcp // Once connected, the LLM can query this company directly: "Pull the latest 5 filings for Quantumsphere Acquisition Corp (id: 35587)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.