Affiliated Managers Group (AMG) Institutional Ownership $175.69 -0.38 (-0.21%) Closing price 03:59 PM EasternExtended Trading$175.54 -0.15 (-0.08%) As of 04:20 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Ownership Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Institutional Ownership Changes (13F Filings) for Affiliated Managers Group (NYSE:AMG)CurrentInstitutional OwnershipPercentage95.30%Number ofInstitutional Buyers(last 12 months)226TotalInstitutional Inflows(last 12 months)$953.84MNumber ofInstitutional Sellers(last 12 months)190TotalInstitutional Outflows(last 12 months)$632.90M Get AMG Insider Trade Alerts Want to know when executives and insiders are buying or selling Affiliated Managers Group stock? Sign up for InsiderTrades.com's daily newsletter to get the latest insider transactions delivered to your inbox daily. Email Address Skip Chart & View Institutional Buying and Selling Data AMG Institutional Buying and Selling by Quarter Affiliated Managers Group Major Shareholders & Ownership History Export to ExcelReporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails5/19/2025 Jane Street Group LLC11,586$1.95M0.0%N/A0.041% 5/19/2025 Bayforest Capital Ltd4,710$791K0.3%+632.5%0.017% 5/19/2025 UBS AM A Distinct Business Unit of UBS Asset Management Americas LLC141,733$23.82M0.0%+4.6%0.499% 5/16/2025 United Services Automobile Association1,919$321K0.0%N/A0.007% 5/16/2025 Great Lakes Advisors LLC106,270$17.86M0.2%-3.4%0.374% 5/16/2025 Goldman Sachs Group Inc.113,353$19.05M0.0%+1.3%0.399% 5/16/2025 Kestra Investment Management LLC7,251$1.22M0.0%+55.7%0.026% 5/16/2025 Tolleson Wealth Management Inc.1,319$222K0.0%-5.3%0.005% 5/16/2025 Sepio Capital LP6,400$1.08M0.1%-1.0%0.023% 5/16/2025 Millennium Management LLC1,265,655$212.67M0.1%+314.3%4.452% Get the Latest News and Ratings for AMG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Affiliated Managers Group and its competitors with MarketBeat's FREE daily newsletter. 5/16/2025 Invenomic Capital Management LP25,954$4.36M0.2%N/A0.091% 5/16/2025 Jacobs Levy Equity Management Inc.165,710$27.84M0.1%-3.2%0.583% 5/16/2025 Hancock Whitney Corp1,823$306K0.0%-5.6%0.006% 5/16/2025 Ariel Investments LLC1,407,151$236.44M2.8%-1.2%4.889% 5/16/2025 Amundi20,542$3.25M0.0%+1.1%0.071% 5/15/2025 EP Wealth Advisors LLC2,616$440K0.0%+48.3%0.009% 5/15/2025 Royal Bank of Canada19,631$3.30M0.0%-12.3%0.068% 5/15/2025 Quarry LP411$69K0.0%+44.2%0.001% 5/15/2025 Vident Advisory LLC2,767$465K0.0%-4.0%0.010% 5/14/2025 Redwood Investment Management LLC7,775$1.31M0.1%+0.9%0.027% 5/14/2025 Gabelli Funds LLC2,669$448K0.0%-4.6%0.009% 5/14/2025 Caisse DE Depot ET Placement DU Quebec13,900$2.34M0.0%N/A0.048% 5/14/2025 Corebridge Financial Inc.32,319$5.43M0.0%-5.5%0.112% 5/14/2025 Comerica Bank11,900$2M0.0%-5.2%0.041% 5/14/2025 MetLife Investment Management LLC16,256$2.73M0.0%-4.5%0.056% 5/14/2025 Penn Capital Management Company LLC10,789$1.84M0.2%-86.4%0.037% 5/14/2025 Dodge & Cox3,000$504K0.0%-53.8%0.010% 5/14/2025 SVB Wealth LLC305$51K0.0%-73.0%0.001% 5/14/2025 Northwestern Mutual Wealth Management Co.737$124K0.0%+11.8%0.003% 5/14/2025 AlphaQuest LLC1,079$181K0.0%-26.7%0.004% 5/14/2025 Kestra Advisory Services LLC16,232$2.73M0.0%N/A0.056% 5/14/2025 Clarkston Capital Partners LLC1,585,324$266.38M5.3%+0.8%5.508% 5/14/2025 Channing Capital Management LLC444,192$74.64M2.3%-13.7%1.543% 5/14/2025 CW Advisors LLC1,440$242K0.0%+10.2%0.005% 5/14/2025 Price T Rowe Associates Inc. MD232,981$39.15M0.0%+2.5%0.809% 5/14/2025 Martingale Asset Management L P8,465$1.42M0.0%-52.1%0.029% 5/14/2025 Dorsey & Whitney Trust CO LLC1,576$265K0.0%-4.3%0.005% 5/14/2025 BI Asset Management Fondsmaeglerselskab A S216$36K0.0%N/A0.001% 5/14/2025 Hsbc Holdings PLC1,518$255K0.0%-58.5%0.005% 5/14/2025 Fuller & Thaler Asset Management Inc.555,231$93.30M0.4%+0.2%1.929% The Trump Dump is starting; Get out of stocks now? (Ad)The first 365 days of the Trump presidency… Will be the best time to get rich in American history.If I’m right about this (like I was before) a modest $900 investment could grow to a life-changing a5/14/2025 Quantbot Technologies LP12,918$2.17M0.1%N/A0.045% 5/14/2025 Wellington Management Group LLP7,243$1.22M0.0%-5.4%0.025% 5/13/2025 Northern Trust Corp385,292$64.74M0.0%+10.2%1.339% 5/13/2025 Brooklyn Investment Group377$63K0.0%+37.1%0.001% 5/13/2025 Algert Global LLC69,240$11.63M0.3%-33.6%0.241% 5/13/2025 Raymond James Financial Inc.125,048$21.01M0.0%-19.8%0.434% 5/13/2025 Cresset Asset Management LLC3,232$543K0.0%-17.6%0.011% 5/13/2025 American Century Companies Inc.8,448$1.42M0.0%-83.4%0.029% 5/13/2025 Ethic Inc.2,992$507K0.0%-22.9%0.010% 5/13/2025 Brandywine Global Investment Management LLC76,293$12.82M0.1%+55.3%0.265% 5/13/2025 Dimensional Fund Advisors LP709,366$119.19M0.0%-6.8%2.464% 5/13/2025 Sei Investments Co.48,423$8.45M0.1%+1.9%0.168% 5/13/2025 Lyrical Asset Management LP606,249$101.87M1.6%-1.9%2.106% 5/13/2025 Boston Partners1,154,791$194.01M0.2%-2.5%4.012% 5/13/2025 Russell Investments Group Ltd.59,236$9.95M0.0%+5.4%0.206% 5/13/2025 HighTower Advisors LLC2,290$385K0.0%-12.5%0.008% 5/12/2025 Nuveen LLC95,577$16.06M0.0%N/A0.332% 5/12/2025 Invesco Ltd.134,384$22.58M0.0%-49.8%0.467% 5/12/2025 National Bank of Canada FI2,767$465K0.0%+12.6%0.010% 5/12/2025 Ironwood Investment Counsel LLC1,240$208K0.0%-44.0%0.004% 5/9/2025 CenterBook Partners LP1,973$332K0.0%-65.2%0.007% 5/9/2025 Ontario Teachers Pension Plan Board1,353$227K0.0%-44.6%0.005% 5/9/2025 Deutsche Bank AG55,611$9.34M0.0%+16.8%0.193% 5/9/2025 Charles Schwab Investment Management Inc.318,466$53.51M0.0%-3.8%1.106% 5/9/2025 Vanguard Group Inc.2,994,549$503.17M0.0%-6.8%10.404% 5/9/2025 Blair William & Co. IL12,249$2.06M0.0%-1.6%0.043% 5/9/2025 LGT Capital Partners LTD.197,118$33.12M1.5%-28.1%0.685% 5/9/2025 LSV Asset Management468,084$78.65M0.2%+10.4%1.626% 5/8/2025 Commerce Bank7,541$1.27M0.0%-3.7%0.026% 5/8/2025Jefferies Financial Group Inc.2,411$405K0.0%N/A0.008% 5/8/2025 US Bancorp DE3,957$665K0.0%+15.8%0.014% 5/8/2025 Goodman Financial Corp80,806$13.58M2.9%+1.6%0.281% 5/8/2025 Natixis Advisors LLC12,487$2.10M0.0%-10.0%0.043% 5/8/2025 North Star Asset Management Inc.102,144$17.16M0.8%+0.2%0.355% 5/8/2025 XTX Topco Ltd14,695$2.47M0.1%+189.9%0.051% 5/7/2025 Schubert & Co3,170$533K0.4%-14.4%0.011% 5/7/2025 Mackenzie Financial Corp3,873$651K0.0%-50.6%0.013% 5/7/2025 Carrera Capital Advisors6,756$1.14M0.3%+13.6%0.023% 5/7/2025 Zurcher Kantonalbank Zurich Cantonalbank 6,913$1.16M0.0%-6.5%0.024% 5/6/2025 Pacer Advisors Inc.2,160$363K0.0%-60.5%0.008% 5/6/2025 Assetmark Inc.28,571$4.80M0.0%-0.5%0.099% 5/6/2025 Cetera Investment Advisers5,481$921K0.0%+89.1%0.019% 5/6/2025 Carnegie Investment Counsel16,738$2.81M0.1%-0.4%0.058% 5/6/2025 Oak Thistle LLC3,629$610K0.1%+32.4%0.013% 5/6/2025 Universal Beteiligungs und Servicegesellschaft mbH43,228$7.26M0.0%-1.5%0.150% 5/5/2025 Allianz Asset Management GmbH309,527$52.01M0.1%-9.9%1.075% 5/5/2025 Gallacher Capital Management LLC1,206$203K0.1%N/A0.004% 5/5/2025 Millstone Evans Group LLC168$28K0.0%+154.5%0.001% 5/5/2025 Los Angeles Capital Management LLC74,213$12.47M0.1%-5.3%0.258% 5/2/2025 Forte Capital LLC ADV3,215$540K0.1%+12.5%0.011% I was wrong. Dead wrong. (Ad)I thought what happened 25 years ago was a once- in-a-lifetime event… but how wrong I was. Because here we are, a quarter of a century later, almost to the exact day, and it’s happening again. Here’s the full story for you.5/2/2025 Bailard Inc.1,800$302K0.0%N/A0.006% 5/2/2025 Welch & Forbes LLC3,500$588K0.0%-4.1%0.012% 5/2/2025 Cullen Frost Bankers Inc.335$56K0.0%N/A0.001% 5/2/2025 Victory Capital Management Inc.134,816$22.65M0.0%+13.6%0.468% 5/2/2025 Signaturefd LLC651$109K0.0%-11.2%0.002% 5/2/2025 Edgestream Partners L.P.5,920$995K0.0%+7.4%0.021% 5/1/2025 Wilkinson Global Asset Management LLC3,200$538K0.0%-5.9%0.011% 5/1/2025 CWM LLC6,723$1.13M0.0%-6.3%0.023% 5/1/2025 Louisiana State Employees Retirement System8,200$1.38M0.0%-2.4%0.028% 5/1/2025 New York State Common Retirement Fund125,970$21.17M0.0%-34.6%0.438% (Data available from 1/1/2016 forward) AMG Institutional Ownership - Frequently Asked Questions Who are the largest shareholders of AMG shares? During the previous two years, 418 institutional investors and hedge funds held shares of Affiliated Managers Group. The most heavily invested institutionals were BlackRock Inc. ($505.34M), Vanguard Group Inc. ($503.17M), Morgan Stanley ($322.54M), Clarkston Capital Partners LLC ($266.38M), Ariel Investments LLC ($236.44M), Millennium Management LLC ($212.67M), and Boston Partners ($194.01M).Learn more on AMG's institutional investors. What percentage of Affiliated Managers Group stock is owned by institutional investors? 95.30% of Affiliated Managers Group stock is owned by institutional investors. Learn more on AMG's institutional investor holdings. Which institutional investors have been buying Affiliated Managers Group stock? Of the 326 institutional investors that purchased Affiliated Managers Group stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Millennium Management LLC ($1.13M), Norges Bank ($808.77K), Comerica Bank ($466.79K), Channing Capital Management LLC ($449.43K), Boston Partners ($373.70K), Ariel Investments LLC ($321.10K), and Raymond James Financial Inc. ($311.68K). How much institutional buying is happening at Affiliated Managers Group? Institutional investors have bought a total of 8,951,255 shares in the last 24 months. This purchase volume represents approximately $1.48B in transactions. Which Affiliated Managers Group major shareholders have been selling company stock? Of the 250 institutional investors that sold Affiliated Managers Group stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Envestnet Asset Management Inc. ($737.34K), Kiltearn Partners LLP ($489.10K), Vanguard Group Inc. ($444.61K), FMR LLC ($419.42K), Clarkston Capital Partners LLC ($274.97K), Assenagon Asset Management S.A. ($210.01K), and LGT Capital Partners LTD. ($198.16K). How much institutional selling is happening at Affiliated Managers Group? Institutional investors have sold a total of 6,540,428 shares in the last 24 months. This volume of shares sold represents approximately $1.06B in transactions. 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