AFFILIATED MANAGERS GROUP, INC. — 424B5 Filings
28 424B5 filings on record
This page lists all 424B5 filings submitted to the SEC by AFFILIATED MANAGERS GROUP, INC. (MGRE), sorted by most recent first. Each row links to the full filing on EdgarLookup. AFFILIATED MANAGERS GROUP, INC. has filed 28 424B5 documents with the SEC since 2012. To view all SEC filings by AFFILIATED MANAGERS GROUP, INC., see the full filings list.
All
10-K
10-K/A
10-K405
10-Q
10-Q/A
13F-NT
13F-NT/A
144
25
25-NSE
3
305B2
4
424B2
424B3
424B4
424B5
424B7
425
5
8-A12B
8-K
8-K/A
ARS
CERT
CERTNYS
CORRESP
DEF 14A
DEFA14A
EFFECT
FWP
N-PX
POSASR
PRE 14A
S-1
S-1/A
S-1MEF
S-3
S-3/A
S-3ASR
S-4
S-4/A
S-8
SC 13D
SC 13G
SC 13G/A
SCHEDULE 13G
SCHEDULE 13G/A
UPLOAD
| Form | Description | Accession Number | Filed | Period |
|---|---|---|---|---|
| 424B5 | 424B5 | 0001193125-25-314311 | Dec 10, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-310663 | Dec 8, 2025 | — |
| 424B5 | 424B5 | 0001193125-25-049926 | Mar 7, 2025 | — |
| 424B5 | 424B5 | 0001193125-24-202198 | Aug 16, 2024 | — |
| 424B5 | 424B5 | 0001193125-24-201061 | Aug 15, 2024 | — |
| 424B5 | 424B5 | 0001193125-24-069295 | Mar 15, 2024 | — |
| 424B5 | 424B5 | 0001193125-22-162397 | May 27, 2022 | — |
| 424B5 | 424B5 | 0001193125-21-211983 | Jul 9, 2021 | — |
| 424B5 | 424B5 | 0001193125-21-210427 | Jul 8, 2021 | — |
| 424B5 | 424B5 | 0001193125-20-249159 | Sep 18, 2020 | — |
| 424B5 | 424B5 | 0001193125-20-247671 | Sep 17, 2020 | — |
| 424B5 | 424B5 | 0001193125-20-159566 | Jun 3, 2020 | — |
| 424B5 | 424B5 | 0001193125-20-157989 | Jun 2, 2020 | — |
| 424B5 | 424B5 | 0001193125-19-088486 | Mar 27, 2019 | — |
| 424B5 | 424B5 | 0001193125-19-083521 | Mar 22, 2019 | — |
| 424B5 | 424B5 | 0001193125-19-081690 | Mar 21, 2019 | — |
| 424B5 | 424B5 | 0001047469-16-015014 | Aug 17, 2016 | — |
| 424B5 | 424B5 | 0001047469-16-013713 | Jun 8, 2016 | — |
| 424B5 | 424B5 | 0001047469-16-013651 | Jun 7, 2016 | — |
| 424B5 | 424B5 | 0001047469-16-013629 | Jun 6, 2016 | — |
| 424B5 | 424B5 | 0001047469-13-008136 | Aug 6, 2013 | — |
| 424B5 | 424B5 | 0001047469-12-007952 | Aug 8, 2012 | — |
| 424B5 | 424B5 | 0001047469-11-006601 | Jul 26, 2011 | — |
| 424B5 | FORM 424B5 | 0001047469-09-007058 | Jul 31, 2009 | — |
| 424B5 | 424B5 | 0001047469-09-004869 | May 1, 2009 | — |
| 424B5 | 424B5 | 0001047469-08-006146 | May 7, 2008 | — |
| 424B5 | FORM 424(B)(5) | 0001047469-04-031165 | Oct 14, 2004 | — |
| 424B5 | 424B5 | 0000912057-01-544150 | Dec 20, 2001 | — |