SEI INVESTMENTS CO — Investor Relations & Filings
Filings indexed
1,206
across all filing types
Latest filing
2026-05-28
Regulatory Filings
Country
US
United States of America
Listing
US
SEIC
SEI Investments Co. is a provider of technology and investment solutions, offering a range of services that include investment processing, investment management, and investment operations. The company delivers integrated, end-to-end solutions designed to simplify the complexities of the financial services landscape. SEI's offerings are tailored for a diverse clientele, which includes financial institutions, private banks, wealth managers, investment advisors, and private clients. By providing a comprehensive ecosystem of financial technology and operational infrastructure, the company aims to help clients enhance efficiency, manage assets, and accelerate growth.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| FORM 8-K | 2026-05-28 | English | |
| Regulatory Filings 2026 | 2026-05-13 | English | |
| Major Shareholding Notification 2026 | 2026-04-29 | English | |
| 10-Q - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-27 | English | |
| 8-K - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-22 | English | |
| ARS - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-15 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
15 filings
| |||||
| 47863475 | FORM 8-K | 2026-05-28 | English | ||
| 46069829 | Regulatory Filings 2026 | 2026-05-13 | English | ||
| 46069835 | Major Shareholding Notification 2026 | 2026-04-29 | English | ||
| 37577071 | 10-Q - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-27 | English | ||
| 35389256 | 8-K - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-22 | English | ||
| 34607174 | ARS - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-04-15 | English | ||
| 46069879 | DEFINITIVE PROXY STATEMENT | 2026-04-15 | English | ||
| 33063673 | SCHEDULE 13G/A - SEI INVESTMENTS CO (0000350894) (Subject) | 2026-03-27 | English | ||
| 32986885 | 4 - SEI INVESTMENTS CO (0000350894) (Issuer) | 2026-03-19 | English | ||
| 32879660 | 8-K - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-03-02 | English | ||
| 32879659 | 4 - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-02-26 | English | ||
| 32879677 | 10-K - SEI INVESTMENTS CO (0000350894) (Filer) | 2026-02-23 | English | ||
| 23159038 | 13F-HR Filing | 2026-02-13 | English | ||
| 23159053 | SCHEDULE 13G/A Filing | 2026-02-12 | English | ||
| 17969165 | 4 Filing | 2026-02-02 | English | ||
Market data
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Peer group · Other activities auxiliary to financial service activities, except insurance and pension funding
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SEI INVESTMENTS CO 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/30575/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30575 | 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=30575 | All ISINs registered to this company |
| GET | /api/filing-types/ | Reference: every filing-type code + category |
Full reference: API reference · OpenAPI schema
cURL
$ curl https://api.financialreports.eu/api/filings/?company=30575 \ -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": 30575}, 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 SEI INVESTMENTS CO (id: 30575)"
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