
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 |
|---|---|---|---|
|
Appulse Corporation
Non-operating entity analyzing new investment opportunities…
|
APL | CA | Financial and insurance activit… |
|
Arbitrage Investment AG
An investment holding focused on sustainable growth in rene…
|
L1A | DE | Financial and insurance activit… |
|
ARBUTHNOT BANKING GROUP PLC
A holding company offering private and commercial banking a…
|
ARBB | GB | Financial and insurance activit… |
|
Arendals Fossekompani
An industrial investment company focused on energy transiti…
|
AFK | NO | Financial and insurance activit… |
|
ARGO GROUP LIMITED
Alternative investment manager specializing in global emerg…
|
ARGO | IM | Financial and insurance activit… |
|
ARMADALE CAPITAL PLC
Investment company developing a high-grade graphite project…
|
ACP | GB | Financial and insurance activit… |
|
Armada Mercantile Ltd.
Diversified holding company providing financial services, l…
|
ARM | CA | Financial and insurance activit… |
|
ARROW FINANCIAL CORP
Bank holding company offering banking, wealth, trust, and i…
|
AROW | US | Financial and insurance activit… |
|
ARTEX Industrial Investment Co.
Invests in and manages industrial assets in manufacturing a…
|
2340 | SA | Financial and insurance activit… |
|
Artrari One Capital Corp.
A Capital Pool Company (CPC) identifying and evaluating ass…
|
AOCC.P | CA | 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.