Affiliated Managers Group, Inc. SEC filings MGR
Affiliated Managers Group, Inc. has 1,000 filings in SEC EDGAR's recent list, going back to May 7, 2013. Its latest annual report, Form ARS, was filed on Apr 17, 2026 for the period ended Dec 31, 2025. The latest quarterly report (Form 10-Q) was filed on Aug 7, 2026, covering the quarter ended Jun 30, 2026. The most recent current report (Form 8-K) was filed on Jul 30, 2026 (results of operations, other events). The company's fiscal year ends on December 31.
| Form | Description | Filed | Period |
|---|---|---|---|
| DEFA14A | Additional proxy material | Apr 17, 2026 | — |
| DEF 14A | Proxy statement | Apr 17, 2026 | May 27, 2026 |
| DEFA14A | Additional proxy material | Apr 11, 2025 | — |
| DEF 14A | Proxy statement | Apr 11, 2025 | May 22, 2025 |
| DEFA14A | Additional proxy material | Apr 12, 2024 | — |
| DEF 14A | Proxy statement | Apr 12, 2024 | May 22, 2024 |
| DEFA14A | Additional proxy material | Apr 14, 2023 | — |
| DEF 14A | Proxy statement | Apr 14, 2023 | — |
| DEFA14A | Additional proxy material | Apr 15, 2022 | — |
| DEF 14A | Proxy statement | Apr 15, 2022 | May 27, 2022 |
| DEFA14A | Additional proxy material | May 28, 2021 | — |
| DEFA14A | Additional proxy material | May 26, 2021 | — |
| DEFA14A | Additional proxy material | Apr 19, 2021 | — |
| DEF 14A | Proxy statement | Apr 19, 2021 | Jun 9, 2021 |
| DEFA14A | Additional proxy material | Jun 4, 2020 | — |
| DEFA14A | Additional proxy material | May 18, 2020 | — |
| DEFA14A | Additional proxy material | Apr 28, 2020 | — |
| DEF 14A | Proxy statement | Apr 28, 2020 | Jun 9, 2020 |
| DEFA14A | Additional proxy material | May 6, 2019 | — |
| DEFA14A | Additional proxy material | Apr 17, 2019 | — |
| DEF 14A | Proxy statement | Apr 17, 2019 | May 29, 2019 |
| DEFA14A | Additional proxy material | May 29, 2018 | — |
| DEFA14A | Additional proxy material | Apr 30, 2018 | — |
| DEF 14A | Proxy statement | Apr 30, 2018 | Jun 12, 2018 |
| DEFA14A | Additional proxy material | Jun 1, 2017 | — |
| DEFA14A | Additional proxy material | Apr 28, 2017 | — |
| DEF 14A | Proxy statement | Apr 28, 2017 | Jun 13, 2017 |
| PRE 14A | Preliminary proxy statement | Apr 7, 2017 | Jun 13, 2017 |
| DEFA14A | Additional proxy material | Apr 29, 2016 | — |
| DEF 14A | Proxy statement | Apr 29, 2016 | Jun 14, 2016 |
| DEFA14A | Additional proxy material | Apr 29, 2015 | — |
| DEF 14A | Proxy statement | Apr 29, 2015 | Jun 15, 2015 |
| DEFA14A | Additional proxy material | Apr 30, 2014 | — |
| DEF 14A | Proxy statement | Apr 30, 2014 | Jun 16, 2014 |
| DEFA14A | Additional proxy material | Jun 3, 2013 | — |
Showing 35 filings. Main filings leave out insider and ownership forms such as Form 4; choose a type above to see them. Each form opens on SEC.gov. Older filings are on SEC EDGAR.
New to this? Read What Are SEC Filings? 10-K, 10-Q, 8-K and Other Forms Explained.
Company profile
- Industry
- Investment Advice (SIC 6282)
- Listed as
- AMG (NYSE), MGR (NYSE), MGRB (NYSE), MGRD (NYSE), MGRE (NYSE)
- Fiscal year ends
- December 31
- Incorporated in
- DE
- Headquarters
- Jupiter, FL
- SEC filer status
- Large accelerated filer
- SEC CIK
- 1004434
- Former names
- AFFILIATED MANAGERS GROUP INC (until Sep 20, 2013)
Other Investment Advice companies
Source: SEC EDGAR filings. This is company-reported data, not investment advice.