Affiliated Managers Group, Inc. AMG
We take great care to ensure that the data presented and summarized in this overview for AFFILIATED MANAGERS GROUP, INC. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding AMG
View all-
Black Rock Inc. New York, NY3.08MShares$795 Million0.01% of portfolio
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Vanguard Group Inc Valley Forge, PA2.77MShares$716 Million0.01% of portfolio
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Atlanta Capital Management CO L L C Atlanta, GA2.44MShares$630 Million1.22% of portfolio
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Morgan Stanley New York, NY1.94MShares$502 Million0.03% of portfolio
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Ariel Investments, LLC Chicago, IL1.26MShares$326 Million3.69% of portfolio
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Clarkston Capital Partners, LLC Bloomfield Hills, MI1.23MShares$318 Million6.47% of portfolio
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Boston Partners Boston, MA1.16MShares$299 Million0.3% of portfolio
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Israel Englander Millennium Management LLC | New York, Ny1.02MShares$263 Million0.11% of portfolio
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State Street Corp Boston, MA964KShares$249 Million0.01% of portfolio
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Dimensional Fund Advisors LP Austin, TX684KShares$177 Million0.04% of portfolio
Latest Institutional Activity in AMG
Top Purchases
Top Sells
About AMG
Affiliated Managers Group, Inc., through its affiliates, operates as an asset management company providing investment management services to mutual funds, institutional clients, and high net worth individuals in the United States. It provides advisory or subadvisory services to mutual funds. These funds are distributed to retail and institutional clients directly and through intermediaries, including independent investment advisors, retirement plan sponsors, broker-dealers, major fund marketplaces, and bank trust departments. The company also offers investment products in various investment styles in the institutional distribution channel, including small, small/mid, mid, and large capitalization value and growth equity, and emerging markets. In addition, it offers quantitative, alternative, and fixed income products, and manages assets for foundations and endowments, defined benefit, and defined contribution plans for corporations and municipalities. Affiliated Managers Group provides investment management or customized investment counseling and fiduciary services. Affiliated Managers Group, Inc. was formed in 1993 and is based in West Palm Beach, Florida with additional offices in Prides Crossing, Massachusetts; Stamford, Connecticut; London, United Kingdom; Dubai, United Arab Emirates; Sydney, Australia; Hong Kong; Tokyo, Japan, Zurich, Switzerland and Delaware.
Insider Transactions at AMG
Insider Transaction List
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Nov 25
2025
|
Tracy P. Palandjian Director |
SELL
Bona fide gift
|
Direct |
3,499
-19.56%
|
-
|
|
Nov 07
2025
|
Karen L. Alvingham Director |
SELL
Payment of exercise price or tax liability
|
Direct |
182
-1.46%
|
$47,138
$259.26 P/Share
|
|
Nov 07
2025
|
Karen L. Alvingham Director |
BUY
Exercise of conversion of derivative security
|
Direct |
560
+4.31%
|
$38,640
$69.63 P/Share
|
|
Sep 09
2025
|
Thomas M Wojcik President and COO |
SELL
Open market or private sale
|
Direct |
16,000
-9.16%
|
$3,696,000
$231.03 P/Share
|
|
Sep 08
2025
|
Thomas M Wojcik President and COO |
SELL
Payment of exercise price or tax liability
|
Direct |
114,008
-39.49%
|
$26,335,848
$231.19 P/Share
|
|
Sep 08
2025
|
Thomas M Wojcik President and COO |
BUY
Exercise of conversion of derivative security
|
Direct |
169,303
+36.96%
|
$12,528,422
$74.49 P/Share
|
|
Sep 02
2025
|
Kavita Padiyar General Counsel & Corp. Sec. |
SELL
Payment of exercise price or tax liability
|
Direct |
30,991
-42.2%
|
$7,096,939
$229.97 P/Share
|
|
Sep 02
2025
|
Kavita Padiyar General Counsel & Corp. Sec. |
BUY
Exercise of conversion of derivative security
|
Direct |
47,731
+39.39%
|
$3,484,363
$73.81 P/Share
|
|
Sep 02
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
44,935
-8.03%
|
$10,290,115
$229.97 P/Share
|
|
Sep 02
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
75,000
+11.82%
|
$5,550,000
$74.49 P/Share
|
|
Aug 15
2025
|
David Christopher Ryan Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,092
+23.14%
|
-
|
|
Aug 15
2025
|
Dwight D. Churchill Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,398
+4.59%
|
-
|
|
Aug 15
2025
|
Karen L. Alvingham Director |
SELL
Payment of exercise price or tax liability
|
Direct |
84
-0.7%
|
$18,312
$218.7 P/Share
|
|
Aug 15
2025
|
Karen L. Alvingham Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,092
+8.37%
|
-
|
|
Aug 15
2025
|
Loren M Starr Director |
BUY
Exercise of conversion of derivative security
|
Direct |
544
+29.74%
|
-
|
|
Aug 15
2025
|
Tracy P. Palandjian Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,117
+5.88%
|
-
|
|
Aug 15
2025
|
Rodriguez Felix V. Matos Director |
BUY
Exercise of conversion of derivative security
|
Direct |
1,102
+19.66%
|
-
|
|
Aug 15
2025
|
Annette Franqui Director |
BUY
Exercise of conversion of derivative security
|
Direct |
664
+50.0%
|
-
|
|
Aug 12
2025
|
Jay C. Horgen Chief Executive Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
45,607
-8.61%
|
$9,987,933
$219.7 P/Share
|
|
Aug 12
2025
|
Jay C. Horgen Chief Executive Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
75,000
+12.4%
|
$5,550,000
$74.49 P/Share
|
Last 12 Months Summary
| Exercise of conversion of derivative security | 514K shares |
|---|---|
| Grant, award, or other acquisition | 72.1K shares |
| Bona fide gift | 14K shares |
| Payment of exercise price or tax liability | 348K shares |
|---|---|
| Bona fide gift | 17.5K shares |
| Open market or private sale | 16K shares |