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Jay Horgen
Chief Executive Officer at
AFFILIATED MANAGERS GROUP, INC.
Net worth: 178 M $ as of 31/05/2026
Profile
Jay C. Horgen founded Eastside Partners. Mr. Horgen is President, Chief Executive Officer & Director at Affiliated Managers Group, Inc. In his past career Mr. Horgen held the position of Managing Director-Financial Institutions Group at Fenner & Smith, Inc., Investment Banker-Financial Institutions Group at Goldman Sachs & Co. LLC and Managing Director-Financial Institutions Group at Merrill Lynch & Co., Inc. Jay C. Horgen received an undergraduate degree from Yale University.
Known holdings in public companies
| Company | Date | Number of shares | Valuation | Valuation date |
|---|---|---|---|---|
| 08/06/2026 | 588,764 ( 2.23% ) | 178 M $ | 31/05/2026 |
Jay Horgen active positions
| Companies | Position | Start |
|---|---|---|
| AFFILIATED MANAGERS GROUP, INC. | Chief Executive Officer | 29/05/2019 |
Former positions of Jay Horgen
| Companies | Position | End |
|---|---|---|
Eastside Partners LLC
 Eastside Partners LLC Investment ManagersFinance Eastside Partners invests in companies located in the United States, with a particular focus on the Southeast, Midwest and Rockies regions and a north revenue of USD 2 million. The firm focuses on healthcare, SaaS and tech-enabled business services sectors. It participates in buyout and later-stage transactions with a minimum investment size of USD 4 million. It takes a seat on the board of directors. | Founder | 04/03/2007 |
Merrill Lynch & Co., Inc.
 Merrill Lynch & Co., Inc. Investment ManagersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Corporate Officer/Principal | 01/01/2005 |
Fenner & Smith, Inc.
 Fenner & Smith, Inc. Financial ConglomeratesFinance Provides investment services | Corporate Officer/Principal | 01/01/2000 |
Goldman Sachs & Co. LLC
 Goldman Sachs & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Corporate Officer/Principal | - |
Training of Jay Horgen
Experiences
Positions held
Active
Inactive
Listed companies
Private companies
Connections
100
+
1st degree connections
6
1st degree companies
Male
Female
Members of the board
Executives
Linked companies
| Private companies | 6 |
|---|---|
Affiliated Managers Group, Inc.
 Affiliated Managers Group, Inc. Investment ManagersFinance Provides investment management services | Finance |
Goldman Sachs & Co. LLC
Goldman Sachs & Co. LLC Investment Banks/BrokersFinance Provides brokerage services | Finance |
Yale University
 Yale University Other Consumer ServicesConsumer Services Functions as a College/University | Consumer Services |
Fenner & Smith, Inc.
Fenner & Smith, Inc. Financial ConglomeratesFinance Provides investment services | Finance |
Eastside Partners LLC
Eastside Partners LLC Investment ManagersFinance Eastside Partners invests in companies located in the United States, with a particular focus on the Southeast, Midwest and Rockies regions and a north revenue of USD 2 million. The firm focuses on healthcare, SaaS and tech-enabled business services sectors. It participates in buyout and later-stage transactions with a minimum investment size of USD 4 million. It takes a seat on the board of directors. | Finance |
Merrill Lynch & Co., Inc.
Merrill Lynch & Co., Inc. Investment ManagersFinance Provides wealth management, securities trading and sales, corporate finance and investment banking services | Finance |
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