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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

Q3 2023 vs. Q2 2023

How the institutions holding Affiliated Managers Group, Inc. changed between Q2 2023 and Q3 2023.

All holders in Q3 2023All holders in Q2 2023

13F holders of AMG: Q2 2023 compared with Q3 2023
MeasureQ2 2023Of which not filed for Q3 2023Q3 2023Change
Holders3813360−18
Shares33.5M4.86K31.8M−1.65M (−4.9%)
Value$4.94B$727.8K$4.16B−$786.9M (−15.9%)

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (31)

Institutions that held Affiliated Managers Group, Inc. at the end of Q3 2023 but not at the end of Q2 2023.

Sold out (49)

Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2023 and filed for Q3 2023 without it.

Institutions that sold out of AMG in Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Junto Capital Management LP246,664$37.0M
AXA S.A.39,500$5.92M
Martingale Asset Management L P20,950$3.14M
Vident Investment Advisory, LLC17,330$2.60M
Rockefeller Capital Management L.P.15,036$2.25M
Redwood Investment Management, LLC10,930$1.64M
Arrowstreet Capital, Limited Partnership9,893$1.48M
Magnetar Financial LLC9,713$1.46M
ING Groep NV8,600$1.29M
Sumitomo Mitsui Trust Holdings, Inc.8,337$1.25M
Two Sigma Investments, LP6,200$929.3K
Livforsakringsbolaget Skandia, Omsesidigt6,100$914.3K
Maverick Capital LtdSuperinvestorMaverick Capital5,562$833.7K
Ergoteles LLC5,079$761.3K
Qsemble Capital Management, LP4,200$629.5K
Diversified Trust Co4,174$625.6K
Oak Thistle LLC3,811$571.2K
Oliver Luxxe Assets LLC3,372$505.4K
Point72 Middle East FZE3,289$493.0K
Prudential PLC3,253$487.6K
Centiva Capital, LP3,014$451.8K
Trail Ridge Investment Advisors, LLC2,969$445.0K
Jackson Wealth Management, LLC2,727$409.0K
AdvisorShares Investments LLC2,675$401.0K
Keebeck Alpha, LP2,387$357.8K
Trexquant Investment LP2,288$342.9K
Cetera Investment Advisers2,115$317.1K
Sciencast Management LP1,854$280.9K
Great Lakes Advisors, LLC1,748$262.0K
MQS Management LLC1,670$250.3K
Alterna Wealth Management, Inc1,657$248.4K
Boothbay Fund Management, LLC1,653$247.8K
FDx Advisors, Inc.1,548$232.0K
Boston Private Wealth LLC1,530$229.3K
DuPont Capital Management Corp1,391$208.5K
Forum Financial Management, LP1,377$206.4K
Gabelli Funds LLC1,350$202.4K
Integrated Investment Consultants, LLC1,350$202.4K
Point72 Asset Management, L.P.596$89.3K
Harbour Investments, Inc.60$8.99K
Sound Income Strategies, LLC46$6.89K
CVA Family Office, LLC25$3.75K
Simplex Trading, LLC19$2.00K
Huntington National Bank13$1.95K
Disciplined Investments, LLC11$1.65K
Northwest Investment Counselors, LLC9$1.35K
Proequities, Inc.8$1.20K
AdvisorNet Financial, Inc7$1.05K
Gradient Investments LLC6$899

Not filed for Q3 2023 yet (3)

Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2023 and haven't filed a 13F for Q3 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AMG in Q2 2023 that haven't filed for Q3 2023
InstitutionShares, Q2 2023Value, Q2 2023
Pictet Asset Management SA4,533$679.5K
First Capital Advisors Group, LLC.296$44.4K
Vigilant Capital Management, LLC28$4.00K