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Disclosery

AMG AFFILIATED MANAGERS GROUP

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Stock (common), issuer CIK 1004434

534 managers (550 13F filers) reported a position in AMG shares at 2026-03-31, 24,847,282 shares in all. 81 filers opened a position and 47 filers sold out during the quarter.

Managers
534
13F filers
550
New
81
Added
218
Reduced
137
Sold out
47
Shares held by filers
24,847,282

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,867,665$793M0.01%+68,46413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 8 filers holding2,764,770$765M+2,755,327Timeline
MORGAN STANLEYin group MORGAN STANLEY1,732,512$479M0.03%+26,79113F-HRTimelineGroup
ARIEL INVESTMENTS, LLC1,064,030$294M3.3%-118,19313F-HRTimeline
Boston Partnersin group Boston Trust Walden Corp971,247$269M0.28%-165,46313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP926,733$256M0.01%-2,66413F-HRTimelineGroup
FULLER & THALER ASSET MANAGEMENT, INC.760,213$210M0.71%+74,62513F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP718,313$199M0.04%+18,86513F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC635,778$176M0.01%+84,62513F-HRTimelineGroup
LYRICAL ASSET MANAGEMENT LP502,121$139M2.12%-49,46613F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE488,742$135M0.16%+62,09313F-HRTimelineGroup
LSV ASSET MANAGEMENT476,811$132M0.28%+3,79013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/409,578$113M0.01%+176,24613F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP348,882$96.5M0.01%+23,18613F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.316,490$87.6M0.01%+219,76913F-HRTimelineGroup
Clarkston Capital Partners, LLC313,708$86.8M6.62%-590,41113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co308,031$85.2M0.01%+2,43513F-HRTimelineGroup
Channing Capital Management, LLC302,672$83.7M2.14%+11,95213F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp300,265$83.1M0.02%+53,07613F-HRTimelineGroup
Fisher Asset Management, LLC253,263$70.1M0.02%+9,43313F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC252,505$69.9M0.08%+212,42613F-HRTimelineGroup
BRUNI J V & CO /CO249,765$69.1M7.22%-2,38213F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC247,220$68.4M0.05%-72,21713F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding232,594$64.4M-163,418Timeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC231,461$63.6M0.02%-5,43613F-HRTimelineGroup
Caisse de depot et placement du Quebec220,887$61.1M0.1%+114,78713F-HRTimeline
ALLIANCEBERNSTEIN L.P.206,103$59.4M0.02%+119,46113F-HRTimeline
Kiltearn Partners LLP195,114$54M14.53%-41,30013F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC185,357$51.3M0.01%+23,70613F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/183,621$50.8M0.01%-58,67113F-HRTimeline
FMR LLCin group FMR LLC179,975$49.8M<0.01%-1,86713F-HRTimelineGroup
Artisan Partners Limited Partnership173,595$48M0.08%+43,48313F-HRTimeline
LORD, ABBETT & CO. LLC154,670$42.8M0.14%+77,34213F-HRTimeline
Qube Research & Technologies Ltd154,233$42.7M0.06%+114,98713F-HRTimeline
Woodline Partners LP145,879$40.4M0.15%new13F-HR/ATimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO140,540$37.9M<0.01%+6,64313F-HR/ATimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC130,848$36.2M0.15%+67,65413F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources119,615$33.1M0.01%+56,52913F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC109,750$30.4M0.05%+90,65013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO107,654$29.8M0.03%+5,35713F-HRTimelineGroup
Treasurer of the State of North Carolina103,528$28.6M0.09%+9,07513F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 3 filers holding101,936$28.2M-30,289Timeline
Quantinno Capital Management LP95,058$26.3M0.04%+27,97413F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…92,346$25.5M0.03%+39,63813F-HRTimelineGroup
Arbejdsmarkedets Tillaegspension91,949$25.4M0.63%+6,14213F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC91,635$25.4M0.02%-2,86613F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND91,398$25.3M0.04%-14013F-HRTimeline
Man Group plcin group Man Group plc90,548$25.1M0.05%+6,21413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN90,193$25M<0.01%+4,15513F-HR/ATimelineGroup
Polar Capital Holdings Plcin group Polar Capital Holdings Plc87,278$24.1M0.11%-19,96713F-HRTimelineGroup
Retirement Systems of Alabama86,240$23.9M0.08%+72613F-HRTimeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P85,945$23.8M0.03%+11,66513F-HRTimelineGroup
RHUMBLINE ADVISERS76,741$21.2M0.02%+34913F-HRTimeline
Empowered Funds, LLC75,572$20.9M0.13%new13F-HR/ATimeline
NORTH STAR ASSET MANAGEMENT INC70,191$19.4M0.84%-7,03713F-HRTimeline
California Public Employees Retirement …69,902$19.3M0.01%+2,56913F-HRTimeline
Schonfeld Strategic Advisors LLC66,254$18.3M0.15%+37,53413F-HRTimeline
Nuveen, LLCin group TIAA65,272$18.1M<0.01%+89513F-HRTimelineGroup
Wallace Capital Management Inc.62,874$17.4M2%-2,22313F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC62,786$17.4M0.01%+2,28313F-HRTimelineGroup
Prana Capital Management, LP61,489$17M0.52%+46,60413F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC61,098$16.9M<0.01%+17,98413F-HRTimelineGroup
Freestone Grove Partners LP57,832$16M0.12%-15,58113F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP56,242$15.6M0.01%-45,79213F-HRTimelineGroup
Swiss National Bank55,600$15.4M0.01%-50013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\51,936$14.4M<0.01%+58213F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC50,615$14M0.02%+34,32513F-HRTimelineGroup
Robeco Institutional Asset Management B…in group Robeco Institutional Asset Ma…49,291$13.6M0.02%+14,38313F-HRTimelineGroup
STOREBRAND ASSET MANAGEMENT AS48,257$13.4M0.04%+10,00013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding47,308$13.1M+14,779Timeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …45,388$12.6M0.02%+98613F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.44,273$12.3M0.02%new13F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc40,814$11.3M<0.01%-3,35113F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…39,442$10.9M0.02%-1713F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.39,261$10.9M0.01%013F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…38,819$10.7M0.03%-7,66413F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …37,988$10.4M0.01%-1,79613F-HRTimelineGroup
Calamos Advisors LLCin group Calamos Advisors LLC35,430$9.8M0.04%013F-HRTimelineGroup
Livforsakringsbolaget Skandia, Omsesidi…34,950$9.67M0.38%+3,10013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…34,828$9.64M0.02%-92013F-HRTimeline
BW Gestao de Investimentos Ltda.33,000$9.13M0.41%-9,00013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…32,852$9.09M0.01%+6,08713F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC32,770$9.07M<0.01%-13,47313F-HR/ATimelineGroup
ZACKS INVESTMENT MANAGEMENT32,724$9.05M0.07%+1,25313F-HRTimeline
Goodman Financial Corp32,492$8.99M1.55%-34,98213F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP32,136$8.88M0.01%+18,66813F-HRTimelineGroup
Oak Thistle LLC31,835$8.81M0.86%+23,13513F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC31,223$8.64M0.03%-23,96713F-HRTimeline
NICOLA WEALTH MANAGEMENT LTD.29,000$8.02M0.96%013F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC27,485$7.6M0.02%-62813F-HRTimelineGroup
Mitsubishi UFJ Trust & Banking Corpgroup of 2 filers holding26,568$7.35M+1,662Timeline
REINHART PARTNERS, LLC.26,285$7.27M0.21%-1,99813F-HRTimeline
Y-Intercept (Hong Kong) Ltd25,891$7.16M0.14%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC25,169$6.96M0.07%+19,44213F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …24,858$6.88M<0.01%013F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC24,270$6.72M0.02%+4,64113F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …24,224$6.7M0.01%-51613F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC24,115$6.67M0.03%-14,39013F-HRTimeline
Sterling Capital Management LLC23,526$6.51M0.12%-95813F-HRTimeline
Moran Wealth Management, LLC23,192$6.42M0.2%-62213F-HRTimeline
ALGERT GLOBAL LLC22,707$6.28M0.09%-11,24013F-HR/ATimeline
Illinois Municipal Retirement Fund21,367$5.91M0.08%+6,79513F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…20,603$5.7M<0.01%new13F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…19,960$5.52M0.01%-14813F-HRTimeline
Engineers Gate Manager LP19,838$5.49M0.07%-72,46313F-HRTimeline
Amplius Wealth Advisors, LLC19,616$5.43M0.45%+313F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …19,582$5.42M<0.01%-26913F-HRTimelineGroup
SCHRODER INVESTMENT MANAGEMENT GROUP19,857$5.36M<0.01%-13,46213F-HRTimeline
Horizon Investments, LLC19,188$5.31M0.06%+2,22713F-HRTimeline
Seascape Capital Management18,617$5.15M1.48%+12513F-HRTimeline
CHASE INVESTMENT COUNSEL CORP18,378$5.08M1.34%+1,16313F-HRTimeline
Poehling Capital Management, INC.18,192$5.03M1.06%-1213F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC17,995$4.98M<0.01%-11,06613F-HRTimelineGroup
State of Alaska, Department of Revenue17,795$4.92M0.05%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co17,440$4.84M0.01%+61413F-HRTimelineGroup
Crossmark Global Holdings, Inc.16,987$4.7M0.07%+10,86013F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/16,129$4.46M<0.01%+48913F-HRTimelineGroup
Kestra Advisory Services, LLCgroup of 2 filers holding15,886$4.4M-4,441Timeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC15,726$4.35M0.02%+6313F-HRTimelineGroup
Long Road Investment Counsel, LLC15,581$4.31M1.69%013F-HRTimeline
Campbell & CO Investment Adviser LLC15,432$4.27M0.24%new13F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A15,278$4.23M0.01%013F-HRTimelineGroup
Moody Aldrich Partners LLC15,111$4.18M0.75%013F-HRTimeline
FORA Capital, LLC13,878$3.84M0.28%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…13,825$3.83M0.02%+8813F-HRTimelineGroup
AMALGAMATED BANK13,731$3.8M0.03%+93713F-HRTimeline
Aquatic Capital Management LLC13,678$3.78M0.11%new13F-HRTimeline
Carnegie Investment Counsel13,612$3.77M0.07%-1,24513F-HRTimeline
Altar Rock LLC13,469$3.73M4.37%-2,07313F-HRTimeline
Oliver Luxxe Assets LLC13,101$3.63M0.54%-5,30613F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson12,770$3.54M<0.01%013F-HR/ATimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…12,738$3.52M0.04%+11,77613F-HRTimelineGroup
O'SHAUGHNESSY ASSET MANAGEMENT, LLC12,733$3.52M0.02%+3,58613F-HRTimeline
BASSWOOD CAPITAL MANAGEMENT, L.L.C.12,304$3.4M0.17%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA12,216$3.38M<0.01%-4,50013F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL11,904$3.29M0.02%new13F-HRTimeline
BLAIR WILLIAM & CO/IL11,883$3.29M0.01%+1,15913F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC11,846$3.28M0.19%new13F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd11,807$3.27M0.06%new13F-HRTimelineGroup
Creative Planningin group Creative Planning11,785$3.26M<0.01%+1,95313F-HRTimelineGroup
Police & Firemen's Retirement System of…11,616$3.21M0.03%013F-HRTimeline
State of Tennessee, Department of Treas…11,610$3.21M0.01%013F-HRTimeline
Henshaw Capital LLC11,542$3.19M0.12%+113F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …11,315$3.13M0.04%new13F-HRTimelineGroup
&PARTNERS11,312$3.13M0.02%-12213F-HRTimeline
CWC Advisors, LLC.11,309$3.13M1.49%-69113F-HRTimeline
Convergence Investment Partners, LLC11,152$3.09M0.51%+4,08613F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD10,992$3.04M0.01%+1,55813F-HRTimeline
LPL Financial LLC10,809$2.99M<0.01%-97213F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…10,779$2.98M0.03%-92813F-HRTimelineGroup
Janney Montgomery Scott LLC10,778$2.98M0.01%new13F-HRTimeline
FIFTH THIRD BANK, NATIONAL ASSOCIATIONgroup of 2 filers holding10,655$2.95M+10,326Timeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC10,185$2.82M<0.01%+2,03713F-HRTimelineGroup
Handelsbanken Fonder AB10,100$2.79M0.01%+1,10013F-HRTimeline
Concentric Capital Strategies, LP10,093$2.79M0.24%-89,86213F-HRTimeline
Mubadala Investment Co PJSC10,062$2.78M0.01%-1,51313F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…9,944$2.75M0.01%+59513F-HRTimeline
Gradient Investments LLCin group Gradient Investments LLC9,600$2.66M0.04%new13F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC9,344$2.61M<0.01%-1,59113F-HRTimelineGroup
Candriam S.C.A.9,228$2.55M0.01%new13F-HRTimeline
Carrera Capital Advisors9,169$2.54M0.39%-8,40413F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…9,062$2.51M0.02%013F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…9,025$2.5M0.01%013F-HRTimelineGroup
Ensign Peak Advisors, Inc8,829$2.44M<0.01%+1,79113F-HR/ATimeline
L2 Asset Management, LLC8,705$2.41M0.23%+3,62813F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC8,612$2.38M0.03%-48113F-HRTimeline
Summit Trail Advisors, LLC8,608$2.38M0.03%+2,39013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC8,451$2.34M<0.01%-71413F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC8,432$2.33M<0.01%+1813F-HRTimelineGroup
KLP KAPITALFORVALTNING AS8,400$2.32M0.01%+20013F-HRTimeline
Louisiana State Employees Retirement Sy…8,200$2.27M0.04%+40013F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS8,016$2.22M0.01%+2,96013F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding7,836$2.17M+2,850Timeline
Entropy Technologies, LP7,832$2.17M0.1%-69213F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM7,727$2.14M0.01%-18313F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC7,702$2.13M0.04%+61613F-HRTimeline
BRANT POINT INVESTMENT MANAGEMENT LLC7,642$2.11M0.58%-17,35813F-HRTimeline
COMMERCE BANKin group COMMERCE BANK7,554$2.09M0.01%+213F-HRTimelineGroup
RITHOLTZ WEALTH MANAGEMENT7,486$2.07M0.04%+4,07313F-HRTimeline
OP Asset Management Ltd7,390$2.04M0.02%-10,24213F-HR/ATimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd7,383$2.04M0.02%+1,61213F-HRTimelineGroup
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…7,048$1.95M0.01%+913F-HRTimeline
SkyView Investment Advisors, LLC7,015$1.94M0.26%+2513F-HRTimeline
Genus Capital Management Inc.6,990$1.93M0.22%-19,99513F-HRTimeline
Kennondale Capital Management LLC6,976$1.93M1.39%013F-HRTimeline
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…group of 2 filers holding6,975$1.93M+25Timeline
Cetera Investment Advisers6,719$1.86M<0.01%-1,52213F-HRTimeline
STATE OF MICHIGAN RETIREMENT SYSTEM6,719$1.86M0.01%+10013F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC6,606$1.83M<0.01%-2,08813F-HRTimelineGroup
IEQ CAPITAL, LLC6,530$1.81M0.01%+2,29213F-HRTimeline
Bridgewater Associates, LP6,491$1.8M0.01%-6,66813F-HRTimeline
Citadel Investment Advisory, Inc.6,452$1.78M0.85%013F-HRTimeline
Anfield Capital Management, LLCin group Anfield Capital Management, L…6,226$1.72M0.47%new13F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC6,206$1.72M0.01%+3,78913F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC6,188$1.71M<0.01%-54,22813F-HRTimelineGroup
Bastion Asset Management Inc.6,101$1.7M0.52%new13F-HRTimeline
Asset Management One Co., Ltd.5,920$1.64M<0.01%013F-HRTimeline
Dynamic Technology Lab Private Ltd5,870$1.62M0.26%new13F-HRTimeline
NEW MEXICO EDUCATIONAL RETIREMENT BOARD5,800$1.6M0.05%013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND5,766$1.6M0.02%+16913F-HRTimeline