
Knowles Corp — Investor Relations & Filings
Knowles Corporation is a market leader and global provider of high-performance components designed for demanding applications. The company's portfolio is centered on two main segments: advanced micro-acoustic solutions and precision devices. Key products include MEMS (micro-electro-mechanical systems) microphones, balanced armature speakers, and various audio processing technologies. The precision devices segment offers high-performance capacitors and radio frequency (RF) filtering products. These critical components serve a diverse range of end markets, including medtech, hearing health, defense, industrial, electrification, and consumer electronics, particularly in mobile and true wireless audio applications.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| 10-Q - Knowles Corp (0001587523) (Filer) | 2026-04-28 | English | |
| SCHEDULE 13G/A - Knowles Corp (0001587523) (Subject) | 2026-03-27 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-26 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-24 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-23 | English | |
| 4 - KNOWLES CORP (0001587523) (Filer) | 2026-02-23 | English |
Market data
Market data not available
Price history
Peer group · Manufacture of other electronic components and boards
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Guangdong Misun Technology Co., Ltd.
Specializes in magnetic components for power, telecom, and …
|
301577 | CN | Manufacturing |
|
Guangdong Real-Design Intelligent Technology Co., Ltd.
Develops intelligent control systems, MCUs, and IoT modules…
|
301135 | CN | Manufacturing |
|
Guangdong Tianyu Semiconductor Co., Ltd.
One of China's largest SiC epi-wafer suppliers, serving xEV…
|
2658 | HK | Manufacturing |
|
GUANGZHOU ANYKA MICROELECTRONICS CO., LTD.
Fabless semiconductor designer of multimedia and wireless S…
|
688620 | CN | Manufacturing |
|
GUANGZHOU FANGBANG ELECTRONICS CO.,LTD
Manufactures electronic materials for flexible printed circ…
|
688020 | CN | Manufacturing |
|
Guangzhou Shiyuan Electronic Technology Company Limited
Develops LCD mainboards, interactive flat panels, and intel…
|
002841 | CN | Manufacturing |
|
GUC
Provides advanced ASIC services and SoC solutions for AI, H…
|
3443 | TW | Manufacturing |
|
Guizhou Space Appliance Co., Ltd.
Manufactures high-reliability connectors, relays, and micro…
|
002025 | CN | Manufacturing |
|
GUIZHOU ZHENHUA FENGGUANG SEMICONDUCTOR CO., LTD.
Specializes in high-reliability analog integrated circuits …
|
688439 | CN | Manufacturing |
|
Gujarat Poly Electronics Limited
Manufactures multilayer ceramic capacitors for automotive a…
|
517288 | IN | Manufacturing |
Knowles 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/31674/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=31674 | 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=31674 | 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=31674 \ -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": 31674}, 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 Knowles Corp (id: 31674)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.