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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
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD5,660$1.57M0.01%+4,04113F-HRTimelineGroup
PRIVATE CLIENT SERVICES, LLC5,659$1.57M0.47%+36513F-HRTimeline
SOUTHEASTERN ASSET MANAGEMENT INC/TN/5,562$1.54M0.08%013F-HRTimeline
COOKSON PEIRCE & CO INC5,464$1.51M0.06%+4,26213F-HRTimeline
Vise Technologies, Inc.5,233$1.51M0.03%013F-HRTimeline
Edgestream Partners, L.P.5,444$1.51M0.05%-25,01513F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC5,368$1.49M<0.01%-790,64213F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…5,182$1.43M0.04%+2713F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC5,113$1.41M<0.01%-18,40613F-HRTimelineGroup
Williamson Legacy Group, LLC5,104$1.41M1.06%+99513F-HRTimeline
OneDigital Investment Advisors LLC5,102$1.41M0.01%-27113F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP5,100$1.41M<0.01%new13F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC5,086$1.41M0.03%+3,57213F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC5,082$1.4M<0.01%-6,82113F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth4,980$1.38M<0.01%-76813F-HRTimelineGroup
Blue Trust, Inc.4,968$1.37M0.02%-1213F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC4,963$1.37M0.06%new13F-HRTimelineGroup
MALTESE CAPITAL MANAGEMENT LLCin group MALTESE CAPITAL MANAGEMENT LLC4,900$1.36M0.27%new13F-HRTimelineGroup
U.S. Capital Wealth Advisors, LLC4,751$1.31M0.03%+3,87113F-HRTimeline
LGT CAPITAL PARTNERS LTD.in group LGT CAPITAL PARTNERS LTD.4,730$1.31M0.07%-1,00013F-HRTimelineGroup
CWA Asset Management Group, LLC4,712$1.3M0.04%new13F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP4,681$1.3M0.01%new13F-HRTimelineGroup
Penn Capital Management Company, LLC4,499$1.27M0.1%-1,23513F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P4,561$1.26M0.03%-98813F-HRTimeline
Traub Capital Management LLC4,551$1.26M1.25%013F-HRTimeline
Sequoia Financial Advisors, LLC4,538$1.26M0.01%+51713F-HRTimeline
Callan Family Office, LLC4,509$1.25M0.03%+26713F-HRTimeline
Pacer Advisors, Inc.4,419$1.22M<0.01%+1,05213F-HR/ATimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…4,394$1.22M<0.01%+15913F-HRTimelineGroup
CWM, LLCin group CWM, LLC4,130$1.14M<0.01%-80813F-HRTimelineGroup
Magnetar Financial LLCin group Magnetar Financial LLC4,110$1.14M0.01%+3,19813F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…4,045$1.12M<0.01%+73413F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP3,996$1.11M<0.01%+23213F-HRTimelineGroup
Guinness Asset Management LTD3,954$1.09M0.02%-28813F-HRTimeline
Ethic Inc.3,884$1.07M0.02%+13413F-HRTimeline
HighTower Advisors, LLC3,866$1.07M<0.01%+68413F-HRTimeline
Quantbot Technologies LP3,834$1.06M0.04%+2,30413F-HRTimeline
Redwood Investment Management, LLCin group Redwood Investment Management…3,794$1.05M0.13%new13F-HR/ATimelineGroup
GATEWAY INVESTMENT ADVISERS LLC3,784$1.05M0.01%new13F-HRTimeline
Sepio Capital, LP3,775$1.04M0.06%+1,12713F-HRTimeline
Bridgefront Capital, LLC3,760$1.04M0.26%new13F-HRTimeline
Kendall Capital Management3,700$1.02M0.21%+9513F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC3,686$1.02M0.01%+2,58613F-HRTimelineGroup
EVOLVE PRIVATE WEALTH, LLC3,663$1.01M0.05%+26413F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\3,661$1.01M<0.01%+5513F-HRTimelineGroup
Vestcor Inc3,560$985K0.03%013F-HRTimeline
Welch & Forbes LLC3,500$968K0.01%013F-HRTimeline
CSM Advisors, LLC3,436$950K0.02%+24913F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV3,420$946K<0.01%+62813F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.3,400$941K0.01%new13F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC3,372$933K0.03%+15213F-HR/ATimeline
XPONANCE LLC3,363$931K0.01%+78013F-HRTimeline
New York Life Investment Management LLCin group New York Life Investment Mana…3,360$930K0.01%new13F-HRTimelineGroup
Farther Finance Advisors, LLC3,373$923K0.01%+6613F-HRTimeline
DANSKE BANK A/S3,275$906K<0.01%-1,80913F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS3,251$900K<0.01%-53113F-HRTimelineGroup
Cresset Asset Management, LLC3,241$897K<0.01%+15513F-HRTimeline
Advisory Services Network, LLC3,222$892K0.01%+62413F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC3,217$890K<0.01%-56113F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.3,196$884K<0.01%-14613F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP3,136$868K<0.01%-313F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,045$843K<0.01%+8213F-HRTimelineGroup
Amundiin group Amundi2,997$829K<0.01%-7,33813F-HRTimelineGroup
Radnor Capital Management, LLC2,970$822K0.12%013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC2,853$789K<0.01%+31913F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC2,766$765K<0.01%new13F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC2,684$743K<0.01%+1,62813F-HR/ATimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,662$737K<0.01%013F-HRTimeline
RBF Capital, LLC2,600$719K0.04%013F-HR/ATimeline
Legacy Wealth Asset Management, LLC2,586$716K0.17%-313F-HRTimeline
INCEPTIONR LLC2,545$704K0.17%+1,57813F-HRTimeline
EP Wealth Advisors, LLC2,524$698K<0.01%-46813F-HRTimeline
COLDSTREAM CAPITAL MANAGEMENT INC2,503$692K0.01%+10313F-HRTimeline
Harbor Advisors LLC2,500$692K0.1%013F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…2,494$690K<0.01%+28413F-HRTimelineGroup
SG Americas Securities, LLC2,413$668K<0.01%+85613F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP2,400$664K<0.01%-47113F-HRTimelineGroup
Linden Thomas Advisory Services, LLC2,396$663K0.06%new13F-HRTimeline
Blueshift Asset Management, LLC2,231$617K0.19%new13F-HRTimeline
Corus Family Wealth Advisors2,210$612K0.5%-313F-HRTimeline
ARQ WEALTH ADVISORS, LLC2,180$603K0.11%new13F-HRTimeline
Kathmere Capital Management, LLC2,173$601K0.04%+14813F-HRTimeline
Quantum Portfolio Management LLC2,138$592K0.26%-10713F-HR/ATimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…2,211$587K<0.01%-1,39613F-HRTimeline
SECURIAN ASSET MANAGEMENT, INC2,118$586K0.02%+10013F-HRTimeline
Investors Towarzystwo Funduszy Inwestyc…2,090$578K0.24%+59013F-HRTimeline
UNITED CAPITAL FINANCIAL ADVISORS, LLCin group UNITED CAPITAL FINANCIAL ADVI…2,087$577K<0.01%+15113F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.2,061$570K<0.01%-39813F-HRTimelineGroup
CHILDRESS CAPITAL ADVISORS, LLC2,044$566K0.1%013F-HRTimeline
TWO SIGMA SECURITIES, LLC2,021$559K0.06%new13F-HRTimeline
HORIZON KINETICS ASSET MANAGEMENT LLC1,998$553K0.01%-19713F-HRTimeline
Polymer Capital Management (US) LLC1,934$535K0.08%-87713F-HRTimeline
IFP Advisors, Inc1,864$516K0.01%+1,24913F-HRTimeline
GREAT VALLEY ADVISOR GROUP, INC.in group GREAT VALLEY ADVISOR GROUP, I…1,844$510K0.01%+92013F-HRTimelineGroup
Fulton Bank, N.A.1,840$509K0.02%+57813F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC1,820$504K<0.01%new13F-HRTimelineGroup
GREENLEAF TRUST1,784$494K<0.01%-1713F-HRTimeline
Procyon Advisors, LLC1,741$482K0.02%+1113F-HRTimeline
Numerai GP LLC1,706$472K0.05%-2,03013F-HRTimeline
M&T Bank Corpin group M&T Bank Corp1,695$469K<0.01%+4913F-HR/ATimelineGroup
South Dakota Investment Council1,688$467K0.01%013F-HRTimeline
BAILARD, INC.1,678$464K0.01%+60213F-HRTimeline
Federation des caisses Desjardins du Qu…1,660$459K<0.01%new13F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC1,632$452K<0.01%-3213F-HRTimeline
BTC Capital Management, Inc.in group BTC Capital Management, Inc.1,596$442K0.03%+9713F-HRTimelineGroup
Cetera Trust Company, N.A1,580$437K0.25%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,563$432K0.01%+79513F-HRTimelineGroup
GAMMA Investing LLC1,559$431K0.02%+4113F-HRTimeline
Cornerstone Investment Partners, LLC1,522$421K0.02%+6013F-HRTimeline
State of Wyoming1,522$421K0.05%+75713F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC1,521$421K0.01%-8,57913F-HRTimelineGroup
Allegheny Financial Group1,497$414K0.06%+213F-HRTimeline
Savant Capital, LLCin group Savant Capital, LLC1,495$414K<0.01%new13F-HRTimelineGroup
PICTON MAHONEY ASSET MANAGEMENT1,483$410K<0.01%+15013F-HRTimeline
Utah Retirement Systems1,477$409K<0.01%013F-HRTimeline
LEVIN CAPITAL STRATEGIES, L.P.1,454$402K0.03%013F-HRTimeline
SYON CAPITAL LLC1,451$401K0.02%+16413F-HRTimeline
SIMPLEX TRADING, LLC1,451$401K0.01%new13F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA1,445$400K<0.01%-4713F-HRTimelineGroup
Brooklyn Investment Group1,444$400K0.01%+53313F-HRTimeline
Cynosure Group, LLC1,418$392K0.05%new13F-HRTimeline
Maryland State Retirement & Pension Sys…1,376$381K0.01%013F-HRTimeline
FIL Ltdin group FIL Ltd1,362$377K<0.01%new13F-HRTimelineGroup
TD PRIVATE CLIENT WEALTH LLC1,354$375K0.01%+17013F-HRTimeline
Dorsey & Whitney Trust CO LLC1,346$372K0.02%-113F-HRTimeline
INVESTMENT PARTNERS, LTD.1,322$366K0.13%-5813F-HRTimeline
Tolleson Wealth Management, Inc.in group Tolleson Wealth Management, I…1,319$365K0.05%013F-HRTimelineGroup
Index Technologies Group LLC1,304$361K0.39%-7413F-HRTimeline
DNB Asset Management ASin group DNB Asset Management AS1,286$356K<0.01%new13F-HRTimelineGroup
Chicago Partners Investment Group LLC1,146$345K0.01%+17813F-HRTimeline
SHEETS SMITH WEALTH MANAGEMENT1,227$340K0.04%013F-HRTimeline
MANNING & NAPIER ADVISORS LLC1,240$335K<0.01%013F-HRTimeline
Sagewood Asset Management LP1,191$330K0.1%+32113F-HRTimeline
Havemeyer Place LP1,179$326K0.04%new13F-HRTimeline
OLD NATIONAL BANCORP /IN/1,159$321K0.01%+7213F-HRTimeline
Laird Norton Wetherby Trust Company, LLCin group Laird Norton Wetherby Trust C…1,158$320K0.01%+313F-HRTimelineGroup
Atlanta Consulting Group Advisors, LLC1,150$318K0.07%013F-HRTimeline
DekaBank Deutsche Girozentrale1,143$318K<0.01%013F-HRTimeline
Waverly Advisors, LLC1,149$318K<0.01%-613F-HRTimeline
DARK FOREST CAPITAL MANAGEMENT LP1,145$317K0.03%-4,33413F-HRTimeline
Quarry LP1,135$314K0.06%+71013F-HRTimeline
Cadent Capital Advisors, LLC1,134$314K0.08%013F-HRTimeline
ProShare Advisors LLC1,128$312K<0.01%013F-HRTimeline
MML INVESTORS SERVICES, LLC1,126$312K<0.01%-22813F-HRTimeline
MAI Capital Management1,111$307K<0.01%+2413F-HRTimeline
Checchi Capital Advisers, LLC1,110$307K0.02%+2913F-HRTimeline
R Squared Ltd1,093$302K0.17%+27913F-HRTimeline
Bank of New Hampshire1,087$301K0.07%-1713F-HRTimeline
AXQ CAPITAL, LP1,085$300K0.04%-1,31913F-HRTimeline
Atria Investments, Inc1,083$300K<0.01%-19213F-HRTimeline
PANAGORA ASSET MANAGEMENT INC1,068$296K<0.01%013F-HRTimeline
CAPTRUST FINANCIAL ADVISORS1,057$292K<0.01%+5413F-HRTimeline
Merit Financial Group, LLC1,054$292K<0.01%+8013F-HRTimeline
CIBC Asset Management Inc1,023$283K<0.01%013F-HRTimeline
Parallel Advisors, LLC1,016$281K0.01%+4213F-HR/ATimeline
Quent Capital, LLC1,009$279K0.02%-20513F-HRTimeline
Jackson Creek Investment Advisors LLC1,005$278K0.08%new13F-HRTimeline
Ashton Thomas Private Wealth, LLC970$268K0.01%+20113F-HRTimeline
PRELUDE CAPITAL MANAGEMENT, LLC964$267K0.02%new13F-HRTimeline
Keystone Financial Services961$266K0.08%+2913F-HRTimeline
TRANSCEND CAPITAL ADVISORS, LLC949$263K0.02%013F-HRTimeline
EVERGREEN CAPITAL MANAGEMENT LLC941$260K0.01%+5513F-HRTimeline
SHELTON CAPITAL MANAGEMENT928$257K0.01%013F-HRTimeline
Autumn Glory Partners, LLC927$257K0.09%+213F-HRTimeline
Mattson Financial Services, LLC927$257K0.06%new13F-HRTimeline
Farringdon Capital, Ltd.926$256K0.06%new13F-HRTimeline
Compound Planning, Inc.922$255K0.01%new13F-HRTimeline
DGS Capital Management, LLCin group DGS Capital Management, LLC920$255K0.04%+15713F-HRTimelineGroup
Brown Financial Advisors911$252K0.1%new13F-HRTimeline
One Wealth Advisors, LLC907$251K0.03%new13F-HRTimeline
MBB PUBLIC MARKETS I LLC894$247K0.03%013F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP892$247K0.02%new13F-HRTimeline
PCM Encore, LLC880$243K0.05%+313F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC879$243K0.01%new13F-HRTimeline
KBC Group NVin group KBC Group NV873$242K<0.01%new13F-HRTimelineGroup
Elevated Financial Group LLC871$241K0.08%-8513F-HRTimeline
Massar Capital Management, LP865$239K0.05%-86513F-HRTimeline
MQS Management LLC858$237K0.16%-1,42813F-HRTimeline
Inscription Capital, LLC850$235K0.02%+6213F-HRTimeline
Investment Partners Asset Management, I…836$231K0.14%013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC832$230K<0.01%+813F-HRTimeline
Cooper Financial Group828$229K0.02%-7613F-HRTimeline
BIRCH FINANCIAL GROUP, LLC817$226K0.13%-16813F-HRTimeline
HANCOCK WHITNEY CORP763$224K<0.01%-2613F-HRTimeline
NICOLET BANKSHARES INCin group NICOLET BANKSHARES INC807$223K0.01%+413F-HRTimelineGroup
North Dakota State Investment Board807$223K0.01%-16813F-HRTimeline
DIVERSIFIED MANAGEMENT INC800$221K0.04%new13F-HRTimeline
AlphaGrep UK Ltd800$221K0.07%new13F-HRTimeline
ELEVATION POINT WEALTH PARTNERS, LLC799$221K0.01%new13F-HRTimeline
Vestmark Advisory Solutions, Inc.791$219K<0.01%new13F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC789$218K<0.01%013F-HRTimeline
Cambria Investment Management, L.P.776$215K0.01%-75913F-HRTimeline
SIGNATUREFD, LLC765$212K<0.01%+17613F-HRTimeline
Baron Wealth Management LLC759$210K0.06%-1213F-HRTimeline
Wedmont Private Capital732$210K0.01%+6113F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC757$210K<0.01%new13F-HRTimelineGroup
BTG Pactual Asset Management US LLCin group BTG Pactual Asset Management …743$206K0.02%new13F-HRTimelineGroup
Ironwood Investment Counsel, LLC730$202K0.03%-1513F-HRTimeline
Caitong International Asset Management …667$185K0.03%+52113F-HRTimeline
STRS OHIO653$181K<0.01%-813F-HRTimeline