AFFILIATED MANAGERS GROUP, INC. — Investor Relations & Filings
Affiliated Managers Group, Inc. (AMG) is a global asset management company that partners with and invests in independent investment management firms. The company's strategy focuses on providing capital and strategic resources to its partner firms, known as Affiliates, while preserving their operational autonomy and entrepreneurial culture. This partnership model is designed to support and accelerate the growth of high-performing, alpha-generating managers. AMG enhances its Affiliates' capabilities through global distribution platforms, including a Wealth Platform that offers differentiated investment solutions to financial advisors and their clients, and an Institutional Platform that extends the business development reach of its partners into key markets worldwide. The network of approximately 40 Affiliates manages a diverse range of investment strategies for institutional and individual clients globally.
Recent filings
| Filing | Released | Lang | Actions |
|---|---|---|---|
| ARS - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-04-17 | English | |
| DEF 14A - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-04-17 | English | |
| SCHEDULE 13G/A - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Subject) | 2026-03-26 | English | |
| 8-K - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-02-26 | English | |
| 10-K - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-02-17 | English | |
| SCHEDULE 13G/A Filing | 2026-02-13 | English |
Browse filings by year
17 years| ID | Filing | Released | Lang | Actions | |
|---|---|---|---|---|---|
|
2026
8 filings
| |||||
| 34662500 | ARS - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-04-17 | English | ||
| 34662468 | DEF 14A - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-04-17 | English | ||
| 33051416 | SCHEDULE 13G/A - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Subject) | 2026-03-26 | English | ||
| 32885079 | 8-K - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-02-26 | English | ||
| 32885080 | 10-K - AFFILIATED MANAGERS GROUP, INC. (0001004434) (Filer) | 2026-02-17 | English | ||
| 26160432 | SCHEDULE 13G/A Filing | 2026-02-13 | English | ||
| 26160814 | 8-K Filing | 2026-02-12 | English | ||
| 26160544 | 8-K Filing | 2026-02-12 | English | ||
|
2025
7 filings
| |||||
| 26160589 | 4 Filing | 2025-12-23 | English | ||
| 10653343 | 8-K | 2025-12-11 | English | ||
| 10653346 | 424B5 | 2025-12-10 | English | ||
| 10653347 | FWP | 2025-12-08 | English | ||
| 10653350 | 8-K | 2025-12-08 | English | ||
| 10653352 | 424B5 | 2025-12-08 | English | ||
| 10653353 | PRIMARY DOCUMENT | 2025-11-28 | English | ||
Market data
Market data not available
Price history
Peer group · Activities of non-money market investments funds
| Company | Ticker | Country | Sector |
|---|---|---|---|
|
Ashoka Whiteoak Emerging Markets Trust PLC
Investment trust investing in emerging market equities for …
|
AWEM | GB | Financial and insurance activit… |
|
ASIA DRAGON TRUST PLC
Investment trust seeking long-term capital growth from comp…
|
DGN | GB | Financial and insurance activit… |
|
Asimilar Group Plc
Investment company focused on Big Data, Machine Learning, T…
|
ASLR | GB | Financial and insurance activit… |
|
Aster Acquisition Corp.
CPC focused on identifying and evaluating assets for a qual…
|
ATR.P | CA | Financial and insurance activit… |
|
Athanase Innovation AB
An alternative investment firm that invests in technology-f…
|
ATIN | SE | Financial and insurance activit… |
|
ATHELNEY TRUST PLC
Investment company focused on smaller quoted companies for …
|
ATY | GB | Financial and insurance activit… |
|
Atinum Investment Co., Ltd
Venture capital firm investing in IT, biotech, healthcare, …
|
021080 | KR | Financial and insurance activit… |
|
Atlas Energy
International upstream royalty and streaming company focuse…
|
ATLE | CA | Financial and insurance activit… |
|
ATLAS MENKUL KIYMETLER YATIRIM ORTAKLIĞI A.Ş.
Investment trust managing a diversified portfolio of capita…
|
ATLAS | TR | Financial and insurance activit… |
|
Audacia
Investment firm specializing in private equity, venture cap…
|
ALAUD | FR | Financial and insurance activit… |
AFFILIATED MANAGERS GROUP, INC. 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/30843/ | Company identity, sector, listing, identifiers |
| GET | /api/filings/?company=30843 | 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=30843 | 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=30843 \ -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": 30843}, 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 AFFILIATED MANAGERS GROUP, INC. (id: 30843)"
Report missing filing
Can't find a specific document? Let us know and we'll add it within 24 hours.