AMG Insider Trading

Insider Ownership Percentage: 4.20%
Insider Buying (Last 12 Months): $0.00
Insider Selling (Last 12 Months): $3,696,480.00

Affiliated Managers Group Insider Trading History Chart

This chart shows the insider buying and selling history at Affiliated Managers Group by year and by quarter.

Skip ChartChart Data in Insider Trading History Table

Affiliated Managers Group Share Price & Price History

Current Price: $271.48
Price Change: Price Decrease of -0.068 (-0.03%)
As of 12/4/2025 04:59 PM ET

This chart shows the closing price history over time for AMG up to the past year.

Skip Chart and Table DataPrice Data in Insider Trading History Table
Days: 30 | 90 | 365

Affiliated Managers Group Insider Trading History

Transaction DateInsider NameTitleBuy/SellNumber of SharesAverage Share PriceTotal TransactionShares Held After TransactionDetails
9/9/2025Thomas M. WojcikCOOSell16,000$231.03$3,696,480.00158,710View SEC Filing Icon  
8/19/2024Jay C HorgenCEOSell9,000$171.98$1,547,820.00377,276View SEC Filing Icon  
8/16/2024Rizwan M. JamalInsiderSell8,622$172.89$1,490,657.58128,457View SEC Filing Icon  
8/16/2024Thomas M. WojcikCOOSell4,786$172.71$826,590.0684,392View SEC Filing Icon  
3/16/2023Reuben Jeffery, IIIDirectorBuy3,650$137.21$500,816.5031,726View SEC Filing Icon  
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SEC Filings (Institutional Ownership Changes) for Affiliated Managers Group (NYSE:AMG)

95.30% of Affiliated Managers Group stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

This chart shows the instiutional buying and selling at AMG by year and by quarter.

Skip Institutional Buying and Selling Chart and Table DataRead Chart Data in Institutional Trading History Table

Affiliated Managers Group Institutional Trading History

Reporting DateHedge FundShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
12/2/2025Swiss Life Asset Management Ltd1,346$0.32M0.0%N/A0.005%Search for SEC Filing on Google Icon
12/1/2025Cambria Investment Management L.P.1,326$0.32M0.0%-97.7%0.005%Search for SEC Filing on Google Icon
11/24/2025Penn Capital Management Company LLC5,450$1.32M0.1%-28.3%0.019%Search for SEC Filing on Google Icon
11/20/2025Wilmington Savings Fund Society FSB198$47K0.0%-21.1%0.001%Search for SEC Filing on Google Icon
11/19/2025Danske Bank A S13,497$3.22M0.0%N/A0.048%Search for SEC Filing on Google Icon
11/18/2025Advisory Services Network LLC3,848$0.92M0.0%+8.5%0.014%Search for SEC Filing on Google Icon
11/18/2025Livforsakringsbolaget Skandia Omsesidigt29,050$6.93M0.3%+2.8%0.103%Search for SEC Filing on Google Icon
11/17/2025Jacobs Levy Equity Management Inc.38,355$9.15M0.0%-61.8%0.136%Search for SEC Filing on Google Icon
11/17/2025CANADA LIFE ASSURANCE Co25,136$5.99M0.0%+1.3%0.089%Search for SEC Filing on Google Icon
11/17/2025Williamson Legacy Group LLC4,047$0.97M0.7%N/A0.014%Search for SEC Filing on Google Icon
11/17/2025Dark Forest Capital Management LP1,638$0.39M0.0%N/A0.006%Search for SEC Filing on Google Icon
11/17/2025Alyeska Investment Group L.P.295,081$70.36M0.2%N/A1.049%Search for SEC Filing on Google Icon
11/17/2025Shelton Capital Management1,008$0.24M0.0%-4.8%0.004%Search for SEC Filing on Google Icon
11/17/2025Polar Capital Holdings Plc78,523$18.72M0.1%+98.9%0.279%Search for SEC Filing on Google Icon
11/17/2025Polymer Capital Management US LLC1,369$0.33M0.0%-36.0%0.005%Search for SEC Filing on Google Icon
11/17/2025Quarry LP212$51K0.0%-33.8%0.001%Search for SEC Filing on Google Icon
11/17/2025Public Employees Retirement System of Ohio47,395$11.30M0.0%+66.2%0.168%Search for SEC Filing on Google Icon
11/17/2025Northern Trust Corp334,368$79.72M0.0%-0.2%1.189%Search for SEC Filing on Google Icon
11/17/2025Mariner LLC4,924$1.17M0.0%+2.3%0.018%Search for SEC Filing on Google Icon
11/17/2025MBB Public Markets I LLC894$0.21M0.0%N/A0.003%Search for SEC Filing on Google Icon
11/17/2025National Bank of Canada FI303$72K0.0%-90.8%0.001%Search for SEC Filing on Google Icon
11/17/2025Mercer Global Advisors Inc. ADV2,669$0.64M0.0%+15.6%0.009%Search for SEC Filing on Google Icon
11/17/2025Millennium Management LLC1,017,113$242.51M0.1%-35.2%3.616%Search for SEC Filing on Google Icon
11/17/2025L2 Asset Management LLC5,253$1.25M0.2%+10.0%0.019%Search for SEC Filing on Google Icon
11/17/2025Holocene Advisors LP253,935$60.55M0.1%+151.5%0.903%Search for SEC Filing on Google Icon
11/17/2025Focus Partners Wealth2,778$0.61M0.0%-4.0%0.010%Search for SEC Filing on Google Icon
11/17/2025Brevan Howard Capital Management LP2,004$0.48M0.0%-77.9%0.007%Search for SEC Filing on Google Icon
11/17/2025CSM Advisors LLC2,708$0.65M0.0%-33.3%0.010%Search for SEC Filing on Google Icon
11/17/2025California Public Employees Retirement System66,387$15.83M0.0%-1.3%0.236%Search for SEC Filing on Google Icon
11/17/2025Bank of America Corp DE184,726$44.04M0.0%+0.0%0.657%Search for SEC Filing on Google Icon
11/17/2025Algert Global LLC70,890$16.90M0.3%+23.9%0.252%Search for SEC Filing on Google Icon
11/17/2025Alliancebernstein L.P.114,979$27.41M0.0%+181.4%0.409%Search for SEC Filing on Google Icon
11/17/2025Ameriprise Financial Inc.52,729$12.57M0.0%+3.4%0.187%Search for SEC Filing on Google Icon
11/14/2025Creative Planning7,469$1.78M0.0%+18.4%0.027%Search for SEC Filing on Google Icon
11/14/2025Lazard Asset Management LLC5,327$1.27M0.0%+66,487.5%0.019%Search for SEC Filing on Google Icon
11/14/2025FJ Capital Management LLC2,557$0.61M0.1%N/A0.009%Search for SEC Filing on Google Icon
11/14/2025Zacks Investment Management31,192$7.44M0.1%+19.0%0.111%Search for SEC Filing on Google Icon
11/14/2025Credit Agricole S A10,683$2.55M0.0%N/A0.038%Search for SEC Filing on Google Icon
11/14/2025Raymond James Financial Inc.192,886$45.99M0.0%+63.8%0.686%Search for SEC Filing on Google Icon
11/14/2025Caisse de depot et placement du Quebec100,948$24.07M0.0%+4,201.2%0.359%Search for SEC Filing on Google Icon
11/14/2025Man Group plc78,984$18.83M0.0%+6.6%0.281%Search for SEC Filing on Google Icon
11/14/2025Horizon Investments LLC14,015$3.34M0.0%+168.5%0.050%Search for SEC Filing on Google Icon
11/14/2025Zurcher Kantonalbank Zurich Cantonalbank 7,377$1.76M0.0%+6.7%0.026%Search for SEC Filing on Google Icon
11/14/2025Balyasny Asset Management L.P.336,063$80.13M0.1%+7.9%1.195%Search for SEC Filing on Google Icon
11/14/2025UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC112,639$26.86M0.0%-29.7%0.400%Search for SEC Filing on Google Icon
11/14/2025Two Sigma Investments LP7,495$1.79M0.0%N/A0.027%Search for SEC Filing on Google Icon
11/14/2025Concentric Capital Strategies LP60,172$14.35M0.6%N/A0.214%Search for SEC Filing on Google Icon
11/14/2025Interval Partners LP6,703$1.60M0.0%-70.4%0.024%Search for SEC Filing on Google Icon
11/14/2025Squarepoint Ops LLC2,185$0.52M0.0%-2.1%0.008%Search for SEC Filing on Google Icon
11/14/2025Comerica Bank10,398$2.48M0.0%-6.5%0.037%Search for SEC Filing on Google Icon
11/14/2025Brown Brothers Harriman & Co.3,905$0.93M0.0%-9.4%0.014%Search for SEC Filing on Google Icon
11/14/2025Dodge & Cox2,400$0.57M0.0%-20.0%0.009%Search for SEC Filing on Google Icon
11/14/2025Glenmede Investment Management LP1,792$0.43M0.0%+3.9%0.006%Search for SEC Filing on Google Icon
11/13/2025Jump Financial LLC12,692$3.03M0.0%+30.5%0.045%Search for SEC Filing on Google Icon
11/13/2025Boston Partners1,157,344$275.96M0.3%+2.1%4.114%Search for SEC Filing on Google Icon
11/13/2025Vise Technologies Inc.4,856$1.16M0.0%-5.4%0.017%Search for SEC Filing on Google Icon
11/13/2025Entropy Technologies LP9,024$2.15M0.2%+81.0%0.032%Search for SEC Filing on Google Icon
11/13/2025Landscape Capital Management L.L.C.3,126$0.75M0.0%N/A0.011%Search for SEC Filing on Google Icon
11/13/2025Invesco Ltd.96,721$23.06M0.0%+17.6%0.344%Search for SEC Filing on Google Icon
11/13/2025Keystone Financial Services942$0.23M0.1%N/A0.003%Search for SEC Filing on Google Icon
11/13/2025Sei Investments Co.97,874$23.34M0.0%+61.3%0.348%Search for SEC Filing on Google Icon
11/13/2025UBS Group AG350,212$83.50M0.0%+97.4%1.245%Search for SEC Filing on Google Icon
11/13/2025BNP Paribas Financial Markets4,902$1.17M0.0%-10.5%0.017%Search for SEC Filing on Google Icon
11/13/2025Kendall Capital Management3,605$0.86M0.2%-6.5%0.013%Search for SEC Filing on Google Icon
11/13/2025Mackenzie Financial Corp4,762$1.14M0.0%+24.9%0.017%Search for SEC Filing on Google Icon
11/13/2025Quadrant Capital Group LLC3,174$0.76M0.0%+2.1%0.011%Search for SEC Filing on Google Icon
11/13/2025Legal & General Group Plc46,298$11.04M0.0%-4.0%0.165%Search for SEC Filing on Google Icon
11/13/2025Vestcor Inc2,883$0.69M0.0%+28.5%0.010%Search for SEC Filing on Google Icon
11/13/2025Clarkston Capital Partners LLC1,232,333$293.83M6.3%-14.1%4.381%Search for SEC Filing on Google Icon
11/13/2025Swiss National Bank55,100$13.14M0.0%+0.2%0.196%Search for SEC Filing on Google Icon
11/13/2025Russell Investments Group Ltd.54,306$12.95M0.0%-5.8%0.193%Search for SEC Filing on Google Icon
11/13/2025Schroder Investment Management Group24,481$5.84M0.0%+138.9%0.087%Search for SEC Filing on Google Icon
11/13/2025Kiltearn Partners LLP283,814$67.67M13.6%-5.4%1.009%Search for SEC Filing on Google Icon
11/13/2025Grantham Mayo Van Otterloo & Co. LLC16,558$3.95M0.0%-1.0%0.059%Search for SEC Filing on Google Icon
11/13/2025Blair William & Co. IL10,736$2.56M0.0%-1.4%0.038%Search for SEC Filing on Google Icon
11/13/2025First Trust Advisors LP161,478$38.50M0.0%-31.2%0.574%Search for SEC Filing on Google Icon
11/13/2025Paragon Associates & Paragon Associates II Joint Venture22,467$5.36M9.6%N/A0.080%Search for SEC Filing on Google Icon
11/12/2025Gabelli Funds LLC2,263$0.54M0.0%-5.0%0.008%Search for SEC Filing on Google Icon
11/12/2025Gamco Investors INC. ET AL2,775$0.66M0.0%+15.6%0.010%Search for SEC Filing on Google Icon
11/12/2025Barclays PLC47,298$11.28M0.0%-50.1%0.168%Search for SEC Filing on Google Icon
11/12/2025Cambria Investment Management L.P.58,558$13.96M0.8%+2.3%0.208%Search for SEC Filing on Google Icon
11/12/2025Dimensional Fund Advisors LP684,116$163.11M0.0%+1.2%2.432%Search for SEC Filing on Google Icon
11/12/2025Picton Mahoney Asset Management3,917$0.93M0.0%+14.9%0.014%Search for SEC Filing on Google Icon
11/12/2025South Dakota Investment Council1,888$0.45M0.0%-13.7%0.007%Search for SEC Filing on Google Icon
11/12/2025Teachers Retirement System of The State of Kentucky9,062$2.16M0.0%-18.1%0.032%Search for SEC Filing on Google Icon
11/12/2025Victory Capital Management Inc.134,456$32.06M0.0%+25.3%0.478%Search for SEC Filing on Google Icon
11/12/2025CI Investments Inc.629$0.15M0.0%-7.4%0.002%Search for SEC Filing on Google Icon
11/12/2025Kennondale Capital Management LLC6,976$1.66M1.3%+42.6%0.025%Search for SEC Filing on Google Icon
11/12/2025Fisher Asset Management LLC203,723$48.57M0.0%+21.0%0.724%Search for SEC Filing on Google Icon
11/12/2025Huntington National Bank220$52K0.0%-59.3%0.001%Search for SEC Filing on Google Icon
11/12/2025Quantbot Technologies LP6,549$1.56M0.0%+188.2%0.023%Search for SEC Filing on Google Icon
11/12/2025Handelsbanken Fonder AB10,000$2.38M0.0%+31.6%0.036%Search for SEC Filing on Google Icon
11/12/2025Choreo LLC1,121$0.27M0.0%-11.9%0.004%Search for SEC Filing on Google Icon
11/12/2025AlphaCore Capital LLC1,047$0.25M0.0%+322.2%0.004%Search for SEC Filing on Google Icon
11/12/2025Intech Investment Management LLC10,314$2.46M0.0%-17.1%0.037%Search for SEC Filing on Google Icon
11/12/2025US Bancorp DE3,561$0.85M0.0%+1.4%0.013%Search for SEC Filing on Google Icon
11/10/2025North Star Asset Management Inc.85,334$20.35M0.8%-16.4%0.300%Search for SEC Filing on Google Icon
11/10/2025LGT Capital Partners LTD.10,100$2.41M0.1%-83.7%0.036%Search for SEC Filing on Google Icon
11/10/2025EverSource Wealth Advisors LLC236$56K0.0%-16.0%0.001%Search for SEC Filing on Google Icon
11/10/2025Goodman Financial Corp80,261$19.14M3.7%-2.4%0.282%Search for SEC Filing on Google Icon
Data available starting January 2016

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Affiliated Managers Group logo
Affiliated Managers Group, Inc., through its affiliates, operates as an investment management company providing investment management services to mutual funds, institutional clients,retails and high net worth individuals in the United States. It provides advisory or sub-advisory services to mutual funds. These funds are distributed to retail, high net worth 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.
Read More on Affiliated Managers Group

Today's Range

Now: $271.48
Low: $268.14
High: $276.40

50 Day Range

MA: $249.16
Low: $230.66
High: $271.75

52 Week Range

Now: $271.48
Low: $139.22
High: $276.40

Volume

140,691 shs

Average Volume

278,002 shs

Market Capitalization

$7.64 billion

P/E Ratio

16.17

Dividend Yield

0.01%

Beta

1.22

Who are the company insiders with the largest holdings of Affiliated Managers Group?

Affiliated Managers Group's top insider shareholders include:
  1. Jay C Horgen (CEO)
  2. Thomas M Wojcik (COO)
  3. Rizwan M Jamal (Insider)
Learn More about top insider investors at Affiliated Managers Group.

Who are the major institutional investors of Affiliated Managers Group?

Affiliated Managers Group's top institutional investors include:
  1. Vanguard Group Inc. — 9.76%
  2. Clarkston Capital Partners LLC — 4.38%
  3. Boston Partners — 4.11%
  4. Millennium Management LLC — 3.62%
  5. Dimensional Fund Advisors LP — 2.43%
  6. LSV Asset Management — 1.69%
Learn More about top institutional investors of Affiliated Managers Group stock.

Which major investors are selling Affiliated Managers Group stock?

In the last quarter, AMG stock was sold by these institutional investors:
  1. Millennium Management LLC
  2. Clarkston Capital Partners LLC
  3. First Trust Advisors LP
  4. Jacobs Levy Equity Management Inc.
  5. Cambria Investment Management L.P.
  6. LGT Capital Partners LTD.
  7. UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC
  8. Barclays PLC

Which major investors are buying Affiliated Managers Group stock?

Within the previous quarter, AMG stock was purchased by institutional investors including:
  1. Alyeska Investment Group L.P.
  2. UBS Group AG
  3. Holocene Advisors LP
  4. Caisse de depot et placement du Quebec
  5. Raymond James Financial Inc.
  6. Alliancebernstein L.P.
  7. Concentric Capital Strategies LP
  8. Allianz Asset Management GmbH