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AMG Insider Trading

Insider Ownership Percentage: 2.90%
Insider Buying (Last 12 Months): $687,405.00
Insider Selling (Last 12 Months): $13,856,727.12

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.

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Affiliated Managers Group Share Price & Price History

Current Price: $359.03
Price Change: ▲ Price Increase of +2.815 (0.79%)
As of 08/24/2026 01:44 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
6/8/2026Jay C HorgenCEOSell17,500$338.27$5,919,725.00204,706View SEC Filing Icon  
6/1/2026Annette FranquiDirectorBuy750$304.88$228,660.001,962View SEC Filing Icon  
5/8/2026Felix V MatosDirectorSell1,000$300.18$300,180.004,369View SEC Filing Icon  
5/6/2026David Christopher RyanDirectorSell3,402$305.06$1,037,814.121,092View SEC Filing Icon  
5/6/2026G. Staley CatesDirectorBuy1,500$305.83$458,745.006,405View SEC Filing Icon  
3/9/2026Kavita PadiyarGeneral CounselSell2,200$278.24$612,128.0042,672View SEC Filing Icon  
3/6/2026Thomas M. WojcikCOOSell8,000$286.30$2,290,400.00159,465View SEC Filing Icon  
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  
See Full Table

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
8/24/2026California State Teachers Retirement System9,905,306$3.35B0.0%+30,051.3%38.304%Search for SEC Filing on Google Icon
8/23/2026Wedmont Private Capital771$0.28M0.0%+5.3%0.003%Search for SEC Filing on Google Icon
8/22/2026AlphaGrep UK Ltd1,055$0.36M0.1%N/A0.004%Search for SEC Filing on Google Icon
8/22/2026Syon Capital LLC1,612$0.55M0.0%+11.1%0.006%Search for SEC Filing on Google Icon
8/21/2026iSAM Funds UK Ltd640$0.22M0.2%N/A0.002%Search for SEC Filing on Google Icon
8/21/2026Nykredit A S1,287$0.44M0.0%N/A0.005%Search for SEC Filing on Google Icon
8/21/2026Secure Asset Management LLC8,156$0.21M0.0%N/A0.032%Search for SEC Filing on Google Icon
8/20/2026Susquehanna Fundamental Investments LLC19,530$6.61M0.1%+163.1%0.076%Search for SEC Filing on Google Icon
8/20/2026Two Sigma Securities LLC1,460$0.49M0.0%-27.8%0.006%Search for SEC Filing on Google Icon
8/20/2026Alyeska Investment Group L.P.3,386$1.15M0.0%N/A0.013%Search for SEC Filing on Google Icon
8/20/2026Cookson Peirce & Co. Inc.4,648$1.57M0.1%-14.9%0.018%Search for SEC Filing on Google Icon
8/20/2026Northwestern Mutual Wealth Management Co.607$0.21M0.0%-9.8%0.002%Search for SEC Filing on Google Icon
8/20/2026Penn Capital Management Company LLC5,397$1.85M0.1%+20.0%0.021%Search for SEC Filing on Google Icon
8/20/2026Greenleaf Trust1,726$0.58M0.0%-3.3%0.007%Search for SEC Filing on Google Icon
8/19/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC74,871$25.34M0.0%-27.6%0.290%Search for SEC Filing on Google Icon
8/19/2026Van ECK Associates Corp20,250$6.85M0.0%N/A0.078%Search for SEC Filing on Google Icon
8/19/2026Hsbc Holdings PLC5,078$1.73M0.0%-45.7%0.020%Search for SEC Filing on Google Icon
8/19/2026Wellington Management Group LLP20,256$6.86M0.0%-1.7%0.078%Search for SEC Filing on Google Icon
8/18/2026Livforsakringsbolaget Skandia Omsesidigt34,950$11.82M0.4%N/A0.135%Search for SEC Filing on Google Icon
8/18/2026North Star Asset Management Inc.66,968$22.66M0.9%N/A0.259%Search for SEC Filing on Google Icon
8/18/2026Empowered Funds LLC81,755$27.67M0.1%N/A0.316%Search for SEC Filing on Google Icon
8/18/2026United Capital Financial Advisors LLC2,124$0.72M0.0%N/A0.008%Search for SEC Filing on Google Icon
8/18/2026Public Employees Retirement System of Ohio26,489$8.96M0.0%N/A0.102%Search for SEC Filing on Google Icon
8/17/2026Redwood Investment Management LLC3,397$1.15M0.1%N/A0.013%Search for SEC Filing on Google Icon
8/17/2026Corient Private Wealth LP24,635$8.34M0.0%N/A0.095%Search for SEC Filing on Google Icon
8/17/2026Bank of America Corp DE432,420$146.33M0.0%N/A1.672%Search for SEC Filing on Google Icon
8/17/2026Basswood Capital Management L.L.C.34,501$11.68M0.5%N/A0.133%Search for SEC Filing on Google Icon
8/15/2026Strategic Global Advisors LLC14,706$4.98M0.7%N/A0.057%Search for SEC Filing on Google Icon
8/15/2026Wallace Capital Management Inc.58,334$19.74M2.2%N/A0.226%Search for SEC Filing on Google Icon
8/15/2026Caisse de depot et placement du Quebec182,041$61.60M0.1%N/A0.704%Search for SEC Filing on Google Icon
8/15/2026Man Group plc24,043$8.14M0.0%N/A0.093%Search for SEC Filing on Google Icon
8/15/2026Jupiter Topco LLC10,930$3.70M0.0%N/A0.042%Search for SEC Filing on Google Icon
8/14/2026Hsbc Holdings PLC5,078$1.73M0.0%N/A0.020%Search for SEC Filing on Google Icon
8/14/2026Legal & General Group Plc37,566$12.71M0.0%N/A0.145%Search for SEC Filing on Google Icon
8/14/2026The Manufacturers Life Insurance Company 18,406$6.23M0.0%N/A0.071%Search for SEC Filing on Google Icon
8/14/2026Manning & Napier Advisors LLC1,070$0.37M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/14/2026L2 Asset Management LLC4,781$1.62M0.2%N/A0.018%Search for SEC Filing on Google Icon
8/14/2026Cetera Trust Company N.A1,640$0.56M0.3%N/A0.006%Search for SEC Filing on Google Icon
8/14/2026Algert Global LLC23,607$7.99M0.1%+4.0%0.091%Search for SEC Filing on Google Icon
8/13/2026PEAK6 LLC29,555$10M0.0%N/A0.114%Search for SEC Filing on Google Icon
8/13/2026Meiji Yasuda Asset Management Co Ltd.611$0.21M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/13/2026Kiltearn Partners LLP184,586$62.46M15.2%N/A0.714%Search for SEC Filing on Google Icon
8/13/2026First Nebraska Trust Co643$0.22M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/13/2026Kendall Capital Management3,685$1.25M0.2%N/A0.014%Search for SEC Filing on Google Icon
8/12/2026Elevation Point Wealth Partners LLC785$0.27M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/12/2026Commerce Bank7,485$2.53M0.0%N/A0.029%Search for SEC Filing on Google Icon
8/12/2026Northwestern Mutual Wealth Management Co.607$0.21M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/12/2026Quantbot Technologies LP2,512$0.85M0.0%N/A0.010%Search for SEC Filing on Google Icon
8/12/2026Evolve Private Wealth LLC4,417$1.50M0.1%N/A0.017%Search for SEC Filing on Google Icon
8/12/2026Farringdon Capital Ltd.627$0.21M0.1%N/A0.002%Search for SEC Filing on Google Icon
8/12/2026EP Wealth Advisors LLC2,883$0.98M0.0%N/A0.011%Search for SEC Filing on Google Icon
8/12/2026Ieq Capital LLC9,036$3.06M0.0%N/A0.035%Search for SEC Filing on Google Icon
8/12/2026Callan Family Office LLC6,241$2.11M0.0%N/A0.024%Search for SEC Filing on Google Icon
8/11/2026Allworth Financial LP459$0.16M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/11/2026Advisors Capital Management LLC724$0.25M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/11/2026PCM Encore LLC880$0.30M0.1%N/A0.003%Search for SEC Filing on Google Icon
8/10/2026Bruni J V & Co. Co.210,094$71.10B6.5%N/A0.795%Search for SEC Filing on Google Icon
8/10/2026Danske Bank A S818$0.28M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/10/2026Danske Bank A S1,837$0.62M0.0%N/A0.007%Search for SEC Filing on Google Icon
8/7/2026BlackRock Inc.2,772,736$938.29M0.0%N/A10.498%Search for SEC Filing on Google Icon
8/7/2026Deutsche Bank AG39,692$13.43M0.0%N/A0.150%Search for SEC Filing on Google Icon
8/7/2026Mitsubishi UFJ Asset Management Co. Ltd.142$48K0.0%N/A0.001%Search for SEC Filing on Google Icon
8/7/2026OneDigital Investment Advisors LLC4,109$1.39M0.0%N/A0.016%Search for SEC Filing on Google Icon
8/7/2026Chase Investment Counsel Corp25,935$8.78M1.9%N/A0.098%Search for SEC Filing on Google Icon
8/7/2026N.E.W. Advisory Services LLC75$25K0.0%N/A0.000%Search for SEC Filing on Google Icon
8/6/2026Global Retirement Partners LLC1,077$0.36M0.0%N/A0.004%Search for SEC Filing on Google Icon
8/6/2026Bank of New York Mellon Corp281,967$95.42M0.0%N/A1.068%Search for SEC Filing on Google Icon
8/6/2026State of Wyoming723$0.25M0.0%N/A0.003%Search for SEC Filing on Google Icon
8/6/2026One Wealth Advisors LLC627$0.21M0.0%N/A0.002%Search for SEC Filing on Google Icon
8/3/2026Oppenheimer Asset Management Inc.9,216$3.12M0.0%N/A0.035%Search for SEC Filing on Google Icon
7/10/2026Wedge Capital Management L L P NC7,159$2.42M0.0%-7.1%0.027%Search for SEC Filing on Google Icon
7/10/2026Tema ETFs LLC125$42K0.0%-50.4%0.000%Search for SEC Filing on Google Icon
7/10/2026Handelsbanken Fonder AB9,100$3.08M0.0%-9.9%0.034%Search for SEC Filing on Google Icon
7/10/2026Fulton Bank N.A.2,507$0.85M0.0%+36.3%0.009%Search for SEC Filing on Google Icon
7/9/2026Legacy Wealth Asset Management LLC2,041$0.69M0.2%-21.1%0.008%Search for SEC Filing on Google Icon
7/9/2026Oliver Luxxe Assets LLC10,344$3.50M0.5%-21.0%0.039%Search for SEC Filing on Google Icon
7/8/2026Gradient Investments LLC7,065$2.39M0.0%-26.4%0.027%Search for SEC Filing on Google Icon
7/8/2026Reinhart Partners LLC.19,657$6.65M0.2%-25.2%0.074%Search for SEC Filing on Google Icon
7/8/2026Cooper Financial Group642$0.22M0.0%-22.5%0.002%Search for SEC Filing on Google Icon
7/8/2026Assenagon Asset Management S.A.3,011$1.02M0.0%N/A0.011%Search for SEC Filing on Google Icon
7/8/2026Westmount Partners LLC661$0.22M0.0%N/A0.003%Search for SEC Filing on Google Icon
7/7/2026GAMMA Investing LLC1,593$0.54M0.0%+2.2%0.006%Search for SEC Filing on Google Icon
7/6/2026Private Client Services LLC3,649$1.24M0.3%-35.5%0.014%Search for SEC Filing on Google Icon
6/24/2026Redwood Investment Management LLC3,794$1.05M0.1%N/A0.014%Search for SEC Filing on Google Icon
6/18/2026Pacer Advisors Inc.4,419$1.22M0.0%+31.2%0.017%Search for SEC Filing on Google Icon
6/3/2026Parallel Advisors LLC1,016$0.28M0.0%+4.3%0.004%Search for SEC Filing on Google Icon
5/26/2026Glenmede Trust Co. NA1,445$0.40M0.0%-3.2%0.005%Search for SEC Filing on Google Icon
5/19/2026Bank of America Corp DE409,578$113.33M0.0%+75.5%1.551%Search for SEC Filing on Google Icon
5/19/2026Edgestream Partners L.P.5,444$1.51M0.0%-82.1%0.021%Search for SEC Filing on Google Icon
5/18/2026Amundi2,997$0.83M0.0%-71.0%0.011%Search for SEC Filing on Google Icon
5/18/2026EverSource Wealth Advisors LLC179$50K0.0%+45.5%0.001%Search for SEC Filing on Google Icon
5/18/2026California State Teachers Retirement System32,852$9.09M0.0%+22.7%0.124%Search for SEC Filing on Google Icon
5/18/2026Royal Bank of Canada12,216$3.38M0.0%-26.9%0.046%Search for SEC Filing on Google Icon
5/18/2026Empowered Funds LLC75,572$20.91M0.1%+657.6%0.286%Search for SEC Filing on Google Icon
5/16/2026The Manufacturers Life Insurance Company19,582$5.42M0.0%-1.4%0.074%Search for SEC Filing on Google Icon
5/16/2026Quantinno Capital Management LP95,058$26.30M0.0%+41.7%0.360%Search for SEC Filing on Google Icon
5/16/2026Lazard Asset Management LLC2,853$0.79M0.0%+12.6%0.011%Search for SEC Filing on Google Icon
5/15/2026Entropy Technologies LP7,832$2.17M0.1%-8.1%0.030%Search for SEC Filing on Google Icon
5/14/2026Renaissance Technologies LLC109,750$30.37M0.0%+474.6%0.416%Search for SEC Filing on Google Icon
5/14/2026Gabelli Funds LLC5,486$1.52M0.0%+83.7%0.021%Search for SEC Filing on Google Icon
Data available starting January 2016

See Full Table
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: $359.03
Low: $351.77
High: $364.95

50 Day Range

MA: $359.29
Low: $337.58
High: $383.59

52 Week Range

Now: $359.03
Low: $223.44
High: $392.92

Volume

137,471 shs

Average Volume

352,499 shs

Market Capitalization

$9.28 billion

P/E Ratio

12.44

Dividend Yield

0.01%

Beta

1.11

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. Nathaniel Dalton (Director)
  3. Sean M Healey (CEO)
  4. Jay C Horgen (CEO)
  5. Thomas M Wojcik (COO)
  6. William Nutt (Director)
  7. Rizwan M Jamal (Insider)
  8. Jay C Horgen (Insider)
  9. Jay C Horgen (CFO)
  10. Sean Healey (CEO)
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. BlackRock Inc. — 10.50%
  2. Bank of America Corp DE — 1.67%
  3. Bank of New York Mellon Corp — 1.07%
  4. Bruni J V & Co. Co. — 0.80%
  5. Kiltearn Partners LLP — 0.71%
  6. Caisse de depot et placement du Quebec — 0.70%
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. UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
  2. Reinhart Partners LLC.
  3. Hsbc Holdings PLC
  4. Oliver Luxxe Assets LLC
  5. Gradient Investments LLC
  6. Private Client Services LLC
  7. Handelsbanken Fonder AB
  8. Cookson Peirce & Co. Inc.
During the previous year, company insiders that have sold Affiliated Managers Group company stock include:
  1. Jay C Horgen (CEO)
  2. Thomas M Wojcik (COO)
  3. Kavita Padiyar (General Counsel)
  4. Rodriguez Felix V Matos (Director)
  5. David Christopher Ryan (Director)
Learn More investors selling Affiliated Managers Group stock.

Which major investors are buying Affiliated Managers Group stock?

During the previous quarter, AMG stock was bought by institutional investors including:
  1. BlackRock Inc.
  2. Bank of America Corp DE
  3. Bank of New York Mellon Corp
  4. Bruni J V & Co. Co.
  5. Kiltearn Partners LLP
  6. Caisse de depot et placement du Quebec
  7. Empowered Funds LLC
  8. North Star Asset Management Inc.
In the last year, these company insiders have bought Affiliated Managers Group stock:
  1. G Staley Cates (Director)
  2. Annette Franqui (Director)
Learn More investors buying Affiliated Managers Group stock.

Affiliated Managers Group Active Insiders

Jay C. Horgen
Jay C. Horgen (Age 55)
CEO, President & Director
1 recent trades
Thomas M Wojcik
Thomas M Wojcik
COO
1 recent trades
Reuben Jeffery III
Reuben Jeffery III
Director
Dwight D. Churchill
Dwight D. Churchill
Director
Tracy P Palandjian
Tracy P Palandjian
Director
Tracy A Atkinson
Tracy A Atkinson
Director
G. Staley Cates
G. Staley Cates
Director
1 recent trades
David Christopher Ryan
David Christopher Ryan
Director
1 recent trades
Rodriguez Felix V Matos
Rodriguez Felix V Matos
Director
1 recent trades
Annette Franqui
Annette Franqui
Director
1 recent trades
Kavita Padiyar
Kavita Padiyar
General Counsel
1 recent trades
John R Erickson
John R Erickson (Age 55)
Insider
Rizwan M Jamal
Rizwan M Jamal
Head of Affiliate Investments