AFFILIATED MANAGERS GROUP, INC.

NYSE:AMGNYSE:MGRNYSE:MGRBNYSE:MGRDNYSE:MGRE

Investment Advice·WEST PALM BEACH, FL

Affiliated Managers Group, Inc. (AMG) is an American financial services firm founded in 1993 and headquartered in West Palm Beach, Florida.

CEO

Horgen Jay C.

CFO

Ritchea Dava

All Filings(1001 total)

TypeDateAccessionPeriodSize

Mar 9, 2026

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Mar 5, 2026

11.8 KB

Mar 9, 2026

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13.7 KB

Mar 9, 2026

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10.5 KB

Mar 9, 2026

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13.1 KB

Mar 9, 2026

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8.9 KB

Mar 9, 2026

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Mar 9, 2026

0001004434-26-000021PRIMARY DOCUMENT

Mar 5, 2026

5.1 KB

Mar 9, 2026

0001004434-26-000019PRIMARY DOCUMENT

Mar 5, 2026

8.8 KB

Mar 9, 2026

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Mar 5, 2026

8.9 KB

Mar 9, 2026

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Mar 5, 2026

8.8 KB

144

Mar 9, 2026

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4.8 KB

144

Mar 9, 2026

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8.6 KB

144

Mar 6, 2026

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4.8 KB

SCHEDULE 13G/A

Mar 5, 2026

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7.0 KB

8-K

Feb 26, 2026

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Feb 22, 2026

218.8 KB

10-K

Feb 17, 2026

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Dec 31, 2025

20.5 MB

13F-NT

Feb 13, 2026

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Dec 31, 2025

8.0 KB

SCHEDULE 13G/A

Feb 13, 2026

0000905729-26-000041

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34.1 KB

8-K

Feb 12, 2026

0001628280-26-0074648-K

Feb 12, 2026

745.1 KB

8-K

Feb 12, 2026

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Feb 10, 2026

194.3 KB

Dec 23, 2025

0001004434-25-000067PRIMARY DOCUMENT

Dec 23, 2025

5.3 KB

8-K

Dec 11, 2025

0001193125-25-3160538-K

Dec 8, 2025

556.6 KB

424B5

Dec 10, 2025

0001193125-25-314311424B5

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645.2 KB

FWP

Dec 8, 2025

0001193125-25-311451FWP

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20.6 KB

25 filings shown