Affiliated Managers Group Inc.
Last updated September 27, 2026
Organization details
- Legal name
- Affiliated Managers Group Inc.
- Ownership
- Public
- Status
- Active
- SIC code
- 6282 — Investment Advice
- Jurisdiction of incorporation
- Delaware
- Headquarters city
- Jupiter
- Headquarters state / province
- Florida
- Headquarters country
- United States
- Fiscal year end
- December
- Ticker symbol
- AMG
- Primary stock exchange
- NYSE
Identifiers
- SEC CIK
- 0001004434
- EIN
- 04-3218510
Board of directors
-
Annette Franqui · DirectorSince 2024
-
David Christopher Ryan · DirectorSince 2023
-
Dwight D. Churchill · DirectorSince 2023
-
G. Staley Cates · DirectorSince 2026
-
Jay C. Horgen · Director · President and CEOSince 2023
-
Karen L. Alvingham · DirectorSince 2023
-
Loren M. Starr · DirectorSince 2023
-
Marcy Engel · DirectorSince 2025
-
Reuben Jeffery III · DirectorSince 2023
-
Rodriguez Felix Matos V · DirectorSince 2023
-
Tracy A. Atkinson · DirectorSince 2023
-
Tracy P. Palandjian · DirectorSince 2023
Chief executives
Jay C. Horgen
· President and CEO
Dates unknown
Director election results
Annual meeting of May 27, 2026. Support is votes for as a share of votes for and against (or withheld). Below 80% is a clear protest.
-
97.1%
-
97.6%
-
97.7%
-
99.5%
-
99.8%
-
99.8%
Board connections
3 of this board's directors also sit on 5 other boards.
- via Annette Franqui
- via Tracy A. Atkinson
- via Reuben Jeffery III
- via Annette Franqui
- via Tracy A. Atkinson
Insider trades
All notable trades →From SEC Forms 4 and 5. Open-market purchases and sales are highlighted; grants, option exercises and shares withheld for tax are routine.
- Bought, last 12 months
- $687,405
- 2 purchases by 2 insiders
- Sold, last 12 months
- $10,160,247
- 5 sales by 5 insiders
| Date | Insider | Transaction | Shares | Price | Value |
|---|---|---|---|---|---|
| Aug 15, 2026 | Tracy P. Palandjian Director | Option exercise | +848 | — | — |
| Aug 15, 2026 | Loren M. Starr Director | Option exercise | +716 | — | — |
| Aug 15, 2026 | Rodriguez Felix Matos V Director | Option exercise | +654 | — | — |
| Aug 15, 2026 | Annette Franqui Director | Option exercise | +477 | — | — |
| Jun 12, 2026 | Tracy P. Palandjian Director | Option exercise | +2,958 | $82.07 | $242,763 |
| Jun 12, 2026 | Tracy P. Palandjian Director | Shares withheld for tax | −685 | $354.62 | $242,915 |
| Jun 8, 2026 | Jay C. Horgen Director, Officer (President and CEO) | Option exercise | +75,000 | $74.49 | $5,586,750 |
| Jun 8, 2026 | Jay C. Horgen Director, Officer (President and CEO) | Shares withheld for tax | −39,671 | $336.62 | $13,354,052 |
| Jun 8, 2026 | Jay C. Horgen Director, Officer (President and CEO) | Open-market sale | −17,500 | $338.27 | $5,919,725 |
| Jun 1, 2026 | Annette Franqui Director | Open-market purchase | +750 | $304.88 | $228,660 |
| May 8, 2026 | Rodriguez Felix Matos V Director | Open-market sale | −1,000 | $300.18 | $300,180 |
| May 6, 2026 | David Christopher Ryan Director | Open-market sale | −3,402 | $305.06 | $1,037,814 |
| May 6, 2026 | G. Staley Cates Director | Open-market purchase | +1,500 | $305.83 | $458,745 |
| Mar 9, 2026 | Padiyar Kavita Officer (General Counsel & Corp. Sec.) | Open-market sale | −2,200 | $278.24 | $612,128 |
| Mar 6, 2026 | Wojcik Thomas M Officer (President and COO) | Open-market sale | −8,000 | $286.30 | $2,290,400 |
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