# CEF Radar Investors API

**Canonical:** https://apis.io/apis/cefradar-com/cefradar-com-investors-api/  
**Provider:** CEF Radar — https://apis.io/providers/cefradar-com/  
**Base URL:** https://cefradar.com  
**Documentation:** https://cefradar.com/api

CEF Radar Investors API is one of 5 APIs that [CEF Radar](https://apis.io/providers/cefradar-com/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Investor. The published artifact set on APIs.io includes an OpenAPI specification.

The large investors who file notices about owning 5% or more of a fund, and those notices.

## Operations (5)

| Method | Path | Summary |
|---|---|---|
| GET | `/api/v1/campaigns` | Where the large investors hold stakes: one row per investor-and-fund, with the… |
| GET | `/api/v1/activists` | The large investors we follow, with how many funds each is in now |
| GET | `/api/v1/activists/{slug}` | One large investor: its funds, its recent notices, what it usually does |
| GET | `/api/v1/filings` | The newest notices large investors filed about owning 5% or more of a fund, one… |
| GET | `/api/v1/filings/{accession}` | One notice by its document number: who filed it, about which fund, the stake… |

## Machine-readable artifacts (1)

- **OpenAPI** — https://artifacts.apis.io/cefradar-com/openapi/cefradar-com-investors-api-openapi.yml

## Other CEF Radar APIs (4)

- [CEF Radar Account API](https://apis.io/apis/cefradar-com/cefradar-com-account-api/)
- [CEF Radar Events API](https://apis.io/apis/cefradar-com/cefradar-com-events-api/)
- [CEF Radar Funds API](https://apis.io/apis/cefradar-com/cefradar-com-funds-api/)
- [CEF Radar Search API](https://apis.io/apis/cefradar-com/cefradar-com-search-api/)

## Tags

Investor

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/cefradar-com/cefradar-com-investors-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/cefradar-com/.