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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

13F holders, Q3 2024

Institutional positions in Affiliated Managers Group, Inc. as of Sep 30, 2024. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
422
+19 vs. Q2 2024
Shares held
28.3M
+2.20M (+8.4%) vs. Q2 2024
Total value
$5.04B
+$955.4M (+23.4%) vs. Q2 2024
New holders
60
150 more added
Sold out
41
142 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting AMG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2024: 422 institutions
Q1 2021: 320 institutionsQ2 2021: 340 institutionsQ3 2021: 335 institutionsQ4 2021: 365 institutionsQ1 2022: 335 institutionsQ2 2022: 311 institutionsQ3 2022: 329 institutionsQ4 2022: 367 institutionsQ1 2023: 388 institutionsQ2 2023: 381 institutionsQ3 2023: 360 institutionsQ4 2023: 386 institutionsQ1 2024: 403 institutionsQ2 2024: 407 institutionsQ3 2024: 422 institutionsQ4 2024: 408 institutionsQ1 2025: 396 institutionsQ2 2025: 432 institutionsQ3 2025: 451 institutionsQ4 2025: 511 institutionsQ1 2026: 548 institutionsQ2 2026: 567 institutions
Value heldQ3 2024: $5.04B
Q1 2021: $6.28BQ2 2021: $6.34BQ3 2021: $6.04BQ4 2021: $6.45BQ1 2022: $5.32BQ2 2022: $4.33BQ3 2022: $4.06BQ4 2022: $5.50BQ1 2023: $4.92BQ2 2023: $4.94BQ3 2023: $4.16BQ4 2023: $4.77BQ1 2024: $5.10BQ2 2024: $4.57BQ3 2024: $5.04BQ4 2024: $5.21BQ1 2025: $4.65BQ2 2025: $5.28BQ3 2025: $6.32BQ4 2025: $7.47BQ1 2026: $6.88BQ2 2026: $8.53B
Institutions holding AMG and their total value by quarter
QuarterHoldersValue
Q2 2026567$8.53B
Q1 2026548$6.88B
Q4 2025511$7.47B
Q3 2025451$6.32B
Q2 2025432$5.28B
Q1 2025396$4.65B
Q4 2024408$5.21B
Q3 2024422$5.04B
Q2 2024407$4.57B
Q1 2024403$5.10B
Q4 2023386$4.77B
Q3 2023360$4.16B
Q2 2023381$4.94B
Q1 2023388$4.92B
Q4 2022367$5.50B
Q3 2022329$4.06B
Q2 2022311$4.33B
Q1 2022335$5.32B
Q4 2021365$6.45B
Q3 2021335$6.04B
Q2 2021340$6.34B
Q1 2021320$6.28B

Institutions, Q3 2024

Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q2 2024.

Institutions holding AMG in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Rothschild Investment LLC1$1780.00%+1New
Annapolis Financial Services, LLC1$2650.00%+1New
First Personal Financial Services2$3560.00%+2New
Bokf, NA2$3570.00%00.0%Unchanged
AdvisorNet Financial, Inc3$5330.00%−2−40.0%Reduced
Claris Advisors, LLC3$5330.00%+3New
Central Trust Co3$5340.00%00.0%Unchanged
Prestige Wealth Management Group LLC3$5340.00%00.0%Unchanged
Bogart Wealth, LLC4$7110.00%00.0%Unchanged
SRS Capital Advisors, Inc.4$7120.00%+4New
Raleigh Capital Management Inc.5$8890.00%00.0%Unchanged
Capital Analysts, LLC4$1.00K0.00%00.0%Unchanged
Financial Management Professionals, Inc.3$1.00K0.00%00.0%Unchanged
Avion Wealth7$1.00K0.00%+3+75.0%Added
Raffa Wealth Management, LLC6$1.07K0.00%00.0%Unchanged
Sachetta, LLC7$1.25K0.00%00.0%Unchanged
Tortoise Investment Management, LLC8$1.42K0.00%−6−42.9%Reduced
Horizon Investments, LLC8$1.42K0.00%+8New
DiNuzzo Private Wealth, Inc.9$1.60K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC10$1.78K0.00%−4−28.6%Reduced
Motco11$1.96K0.00%00.0%Unchanged
SJS Investment Consulting Inc.11$1.96K0.00%+1+10.0%Added
Continuum Advisory, LLC12$2.25K0.00%+12New
Farmers & Merchants Investments Inc14$2.49K0.00%00.0%Unchanged
Abich Financial Wealth Management LLC14$2.49K0.01%+14New
HM Payson & Co14$2.49K0.00%+14New
GWM Advisors LLC15$2.67K0.00%00.0%Unchanged
Westend Capital Management, LLC16$2.85K0.00%00.0%Unchanged
Private Wealth Management Group, LLC17$3.02K0.00%00.0%Unchanged
Hobbs Group Advisors, LLC17$3.02K0.00%00.0%Unchanged
LGT Financial Advisors LLC18$3.20K0.01%00.0%Unchanged
Creative Financial Designs Inc20$3.56K0.00%00.0%Unchanged
Mather Group, LLC.21$3.67K0.00%+1+5.0%Added
True Wealth Design, LLC21$3.73K0.00%−5,393−99.6%Reduced
Moisand Fitzgerald Tamayo, LLC22$3.91K0.00%00.0%Unchanged
Geneos Wealth Management Inc.22$3.91K0.00%+18+450.0%Added
Hemington Wealth Management21$4.00K0.00%+21New
FSA Wealth Management LLC23$4.09K0.00%+23New
Asset Dedication, LLC23$4.09K0.00%00.0%Unchanged
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.25$4.45K0.00%00.0%Unchanged
CVA Family Office, LLC25$4.45K0.00%00.0%Unchanged
Key Financial Inc27$4.80K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC30$5.33K0.00%00.0%Unchanged
1620 Investment Advisors, Inc.30$5.33K0.00%00.0%Unchanged
Massmutual Trust Co FSB33$5.87K0.00%−9−21.4%Reduced
Principal Securities, Inc.37$6.58K0.00%+31+516.7%Added
First Pacific Financial39$6.93K0.00%+6+18.2%Added
Proequities, Inc.41$7.29K0.00%+26+173.3%Added
Eagle Bay Advisors LLC41$7.29K0.00%+9+28.1%Added
Parkside Financial Bank & Trust45$8.00K0.00%+10+28.6%Added
Versant Capital Management, Inc47$8.36K0.00%+29+161.1%Added
Promethos Capital, LLC50$8.89K0.00%00.0%Unchanged
Delta Asset Management LLC53$9.42K0.00%00.0%Unchanged
Kayne Anderson Rudnick Investment Management LLC58$10.3K0.00%+49+544.4%Added
Frazier Financial Advisors, LLC61$10.8K0.01%00.0%Unchanged
IFP Advisors, Inc73$13.0K0.00%−173−70.3%Reduced
Plante Moran Financial Advisors, LLC73$13.0K0.00%00.0%Unchanged
Jones Financial Companies LLLP78$13.8K0.00%+7+9.9%Added
Addison Advisors LLC79$14.0K0.00%+4+5.3%Added
Thurston, Springer, Miller, Herd & Titak, Inc.80$14.2K0.00%+1+1.3%Added
Bell Investment Advisors, Inc81$14.4K0.00%−14−14.7%Reduced
Global Retirement Partners, LLC93$16.5K0.00%−4−4.1%Reduced
Rise Advisors, LLC93$16.5K0.01%00.0%Unchanged
Private Trust Co NA94$16.7K0.00%+12+14.6%Added
EverSource Wealth Advisors, LLC98$17.4K0.00%−302−75.5%Reduced
CIBC Private Wealth Group, LLC109$19.4K0.00%+68+165.9%Added
American National Bank121$21.5K0.00%+121New
Lindbrook Capital, LLC131$23.3K0.00%−52−28.4%Reduced
Altshuler Shaham Ltd148$26.3K0.00%−29−16.4%Reduced
Allworth Financial LP162$28.8K0.00%+19+13.3%Added
WealthCollab, LLC163$29.0K0.02%00.0%Unchanged
Ashton Thomas Securities, LLC168$29.9K0.01%+168New
Umb Bank N A186$33.1K0.00%+154+481.3%Added
Smartleaf Asset Management LLC189$33.3K0.00%+140+285.7%Added
First Horizon Advisors, Inc.211$37.5K0.00%00.0%Unchanged
Bryn Mawr Trust Co257$45.7K0.00%+257New
Reuter James Wealth Management, LLC265$47.1K0.01%+265New
Venturi Wealth Management, LLC265$47.1K0.00%+28+11.8%Added
Skopos Labs, Inc.275$48.9K0.02%+275New
Farther Finance Advisors, LLC288$51.1K0.00%+3+1.1%Added
Huntington National Bank307$54.6K0.00%+303+7,575.0%Added
Walleye Trading LLC314$55.8K0.00%−396−55.8%Reduced
Nomura Asset Management Co Ltd320$56.9K0.00%00.0%Unchanged
Goodman Advisory Group, LLC322$57.3K0.02%00.0%Unchanged
Whittier Trust Co325$57.8K0.00%00.0%Unchanged
Truvestments Capital LLC330$58.7K0.02%+330New
Fifth Third Bancorp336$59.7K0.00%+38+12.8%Added
Ci Investments Inc.368$65.0K0.00%+48+15.0%Added
Quarry LP372$66.1K0.02%−555−59.9%Reduced
Smithfield Trust Co410$74.0K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC431$76.6K0.00%+257+147.7%Added
Partnership Wealth Management, LLC467$83.0K0.06%−603−56.4%Reduced
Covestor Ltd471$84.0K0.05%+83+21.4%Added
State of Wyoming550$97.8K0.01%+25+4.8%Added
Catalyst Funds Management Pty Ltd600$106.7K0.02%00.0%Unchanged
Northwestern Mutual Wealth Management Co646$114.8K0.00%+148+29.7%Added
Quadrant Capital Group LLC651$115.7K0.01%+12+1.9%Added
Allspring Global Investments Holdings, LLC789$140.3K0.00%+759+2,530.0%Added
GAMMA Investing LLC794$141.2K0.01%+404+103.6%Added
TD Private Client Wealth LLC826$146.9K0.00%+336+68.6%Added