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Affiliated Managers Group, Inc.

AMG
Exchange
NYSE
Industry
Investment Advice
SEC CIK
0001004434

No open-market purchases or sales by Affiliated Managers Group, Inc. insiders were filed in the last 90 days; 567 institutions reported holding it in 13F filings for Q2 2026, worth $8.53B in total; Southeastern Asset Management (Longleaf) is the only superinvestor holding it.

Other share classesMGRMGRBMGRDMGRE

Q2 2026 vs. Q1 2026

How the institutions holding Affiliated Managers Group, Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026All holders in Q1 2026

13F holders of AMG: Q1 2026 compared with Q2 2026
MeasureQ1 2026Of which not filed for Q2 2026Q2 2026Change
Holders5487567+26
Shares24.8M30.9K25.2M+413.2K (+1.7%)
Value$6.88B$8.54M$8.53B+$1.66B (+24.2%)

7 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (78)

Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to AMG in Q2 2026
InstitutionSharesValue% of portfolio
Norges Bank361,473$122.3M0.01%
Zurich Insurance Group Ltd71,322$24.1M0.17%
Capricorn Fund Managers Ltd69,045$23.4M1.87%
Capital Fund Management S.A.30,813$10.4M0.07%
PEAK6 LLC29,555$10.0M0.24%
Van Eck Associates Corp20,250$6.85M0.00%
Strategic Global Advisors, LLC14,706$4.98M0.71%
Fulcrum Asset Management LLP14,166$4.85M0.48%
Jupiter Topco LLC10,930$3.70M0.00%
Natixis Advisors, L.P.10,292$3.48M0.00%
Militia Capital Management LLC10,052$3.40M0.61%
HRT Financial LP8,250$2.79M0.01%
Delphi Management Inc3,965$1.34M1.31%
Mission Wealth Management, LP3,864$1.31M0.02%
Virginia Retirement Systems Et Al3,760$1.27M0.01%
Alyeska Investment Group, L.P.3,386$1.15M0.00%
Bannerstone Capital Management, LLC3,027$1.02M0.86%
Assenagon Asset Management S.A.3,011$1.02M0.00%
Fox Run Management, L.L.C.2,733$924.8K0.15%
Natixis2,448$828.4K0.00%
Aigen Investment Management, LP2,238$757.3K0.21%
Chilton Investment Co LLC2,030$687.0K0.02%
Metatron Capital SICAV plc - Metatron Long Term Equity Fund1,800$609.1K0.30%
Frec Markets, Inc.1,510$511.0K0.05%
Gallacher Capital Management LLC1,487$503.2K0.28%
Jain Global LLC1,386$469.0K0.01%
Nykredit A/S1,287$435.5K0.00%
Catalyst Funds Management Pty Ltd1,220$412.8K0.02%
Global Retirement Partners, LLC1,077$364.5K0.01%
RSM US Wealth Management LLC1,057$357.7K0.00%
Qsemble Capital Management, LP1,021$345.5K0.04%
Pinebridge Investments LLC908$307.3K0.00%
Sagespring Wealth Partners, LLC899$304.3K0.00%
Principal Street Partners, LLC540$273.6K0.04%
Snowden Capital Advisors LLC747$252.8K0.01%
Advisors Capital Management, LLC724$245.0K0.00%
DV Trading LLC720$243.6K0.02%
Elevatus Welath Management713$241.3K0.06%
JBF Capital, Inc.700$236.9K0.03%
Level Four Advisory Services, LLC687$232.5K0.01%
Advisortrust Partners, LLC686$232.1K0.08%
Mangrove Partners680$230.1K0.02%
Nomura Holdings Inc669$226.4K0.00%
Net Worth Advisory Group666$225.2K0.06%
QRG Capital Management, Inc.665$225.0K0.00%
Westmount Partners, LLC661$223.7K0.05%
Sanchez Gaunt Capital Management, LLC654$221.3K0.12%
First Nebraska Trust Co643$217.6K0.02%
ISAM Funds (UK) Ltd640$216.6K0.15%
Waddell & Associates, LLC631$213.5K0.01%
Narus Financial Partners, LLC620$209.8K0.05%
Meiji Yasuda Asset Management Co Ltd.611$206.8K0.01%
Diametric Capital, LP606$205.1K0.02%
Dodge & Cox600$203.0K0.00%
Profund Advisors LLC598$202.4K0.01%
Paradigm Asset Management Co LLC500$169.2K0.04%
Atlas Capital Advisors LLC59$20.0K0.00%
Action Point Financial Planning, LLC53$16.9K0.00%
Accent Capital Management, LLC42$14.2K0.01%
Continuum Advisory, LLC36$12.2K0.00%
Persistent Asset Partners Ltd34$11.5K0.00%
Creative Capital Management Investments LLC12$4.06K0.00%
Synergy Investment Management, LLC8$2.88K0.00%
Elequin Capital LP7$2.37K0.00%
IFG Advisory, LLC5$1.73K0.00%
Trifecta Capital Advisors, LLC5$1.69K0.00%
Logan Capital Management Inc4$1.35K0.00%
Raffa Wealth Management, LLC4$1.35K0.00%
Tounjian Advisory Partners, LLC4$1.35K0.00%
Ameriflex Group, Inc.4$1.35K0.00%
Pin Oak Investment Advisors Inc2$1.00K0.00%
CKW Financial Group4$1.00K0.00%
Navigoe, LLC3$1.00K0.00%
Rakuten Securities, Inc.2$6770.00%
Cornerstone Financial Management LLC2$6770.00%
Silver Grove Financial Group, Inc.2$6770.00%
Sachetta, LLC1$3390.00%
DecisionPoint Financial, LLC1$3370.00%

Sold out (52)

Institutions that held Affiliated Managers Group, Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of AMG in Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Artisan Partners Limited Partnership173,595$48.0M
Woodline Partners LP145,879$40.4M
Prana Capital Management, LP61,489$17.0M
Freestone Grove Partners LP57,832$16.0M
Point72 Asset Management, L.P.44,273$12.3M
BW Gestao de Investimentos Ltda.33,000$9.13M
Aquatic Capital Management LLC13,678$3.78M
Convergence Investment Partners, LLC11,152$3.09M
Candriam Luxembourg S.C.A.9,228$2.55M
Entropy Technologies, LP7,832$2.17M
SkyView Investment Advisors, LLC7,015$1.94M
Bridgewater Associates, LP6,491$1.80M
Bastion Asset Management Inc.6,101$1.70M
Vise Technologies, Inc.5,233$1.51M
Williamson Legacy Group, LLC5,104$1.41M
Acadian Asset Management LLC5,082$1.40M
Maltese Capital Management LLC4,900$1.36M
LGT Capital Partners Ltd.4,730$1.31M
Allstate Corp4,681$1.30M
Magnetar Financial LLC4,110$1.14M
Bridgefront Capital, LLC3,760$1.04M
Jefferies Financial Group Inc.3,400$940.8K
Blueshift Asset Management, LLC2,231$617.3K
Procyon Private Wealth Partners, LLC1,741$481.7K
Numerai GP LLC1,706$472.1K
Savant Capital, LLC1,495$413.7K
Levin Capital Strategies, L.P.1,454$402.3K
Glenmede Trust Co NA1,445$399.8K
Cynosure Management, LLC1,418$392.4K
R Squared Ltd1,093$302.4K
Axq Capital, LP1,085$300.2K
Massar Capital Management, LP865$239.3K
MQS Management LLC858$237.4K
Diversified Management Inc800$221.4K
BTG Pactual Asset Management US LLC743$205.6K
Caitong International Asset Management Co., Ltd667$184.6K
Bayforest Capital Ltd633$175.2K
Innovative Asset Advisors Group, LLC342$94.6K
Annis Gardner Whiting Capital Advisors, LLC332$91.9K
Root Financial Partners, LLC184$50.9K
Ancora Advisors, LLC133$36.8K
Goodman Advisory Group, LLC81$22.4K
Bokf, NA68$18.8K
Tacita Capital Inc46$12.7K
First Pacific Financial41$11.3K
Addison Advisors LLC23$6.37K
Intentional Wealth Strategies, LLC21$5.81K
Twin Peaks Wealth Advisors, LLC16$4.43K
NBC Securities, Inc.5$1.38K
Vermillion Wealth Management, Inc.3$830
Private Wealth Asset Management, LLC2$553
Murphy & Mullick Capital Management Corp2$553

Not filed for Q2 2026 yet (7)

Institutions that held Affiliated Managers Group, Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMG in Q1 2026 that haven't filed for Q2 2026
InstitutionShares, Q1 2026Value, Q1 2026
Janus Henderson Group PLC12,770$3.54M
Anfield Capital Management, LLC6,226$1.72M
U.S. Capital Wealth Advisors, LLC4,751$1.31M
CWM, LLC4,130$1.14M
Skopos Labs, Inc.1,444$399.6K
DGS Capital Management, LLC920$254.6K
USA Financial Portformulas Corp609$168.5K