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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, Q2 2023

Institutional positions in Affiliated Managers Group, Inc. as of Jun 30, 2023. 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
381
−5 vs. Q1 2023
Shares held
33.5M
−1.71M (−4.9%) vs. Q1 2023
Total value
$4.94B
+$25.8M (+0.5%) vs. Q1 2023
New holders
37
112 more added
Sold out
42
170 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 2023: 381 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 heldQ2 2023: $4.94B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q1 2023.

Institutions holding AMG in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Comerica Bank465,331$30.00%+465,331New
Parkside Financial Bank & Trust2$3000.00%00.0%Unchanged
Tfo-TDC, LLC2$3000.00%00.0%Unchanged
Prestige Wealth Management Group LLC3$4500.00%00.0%Unchanged
Delos Wealth Advisors, LLC3$4500.00%00.0%Unchanged
Bogart Wealth, LLC4$6000.00%00.0%Unchanged
Baker Avenue Asset Management, LP5$7490.00%−4−44.4%Reduced
Raffa Wealth Management, LLC6$8990.00%00.0%Unchanged
Gradient Investments LLC6$8990.00%+6New
Centerpoint Advisors, LLC5$1.00K0.00%00.0%Unchanged
Avion Wealth11$1.00K0.00%+8+266.7%Added
AdvisorNet Financial, Inc7$1.05K0.00%−5−41.7%Reduced
Global Retirement Partners, LLC7$1.05K0.00%00.0%Unchanged
Proequities, Inc.8$1.20K0.00%+8New
Versant Capital Management, Inc9$1.35K0.00%00.0%Unchanged
Northwest Investment Counselors, LLC9$1.35K0.00%+9New
M&R Capital Management Inc11$1.65K0.00%00.0%Unchanged
Disciplined Investments, LLC11$1.65K0.00%−2−15.4%Reduced
JJJ Advisors Inc.11$1.65K0.00%+2+22.2%Added
Motco12$1.80K0.00%+12New
Huntington National Bank13$1.95K0.00%+13New
SJS Investment Consulting Inc.13$1.95K0.00%−1−7.1%Reduced
Simplex Trading, LLC19$2.00K0.00%+19New
Glassman Wealth Services14$2.10K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc16$2.40K0.00%−1−5.9%Reduced
Concord Wealth Partners18$2.70K0.00%00.0%Unchanged
Earnest Partners LLC19$2.85K0.00%00.0%Unchanged
Asset Dedication, LLC23$3.00K0.00%00.0%Unchanged
Moisand Fitzgerald Tamayo, LLC22$3.30K0.00%00.0%Unchanged
Allworth Financial LP22$3.30K0.00%+8+57.1%Added
CVA Family Office, LLC25$3.75K0.00%00.0%Unchanged
Vigilant Capital Management, LLC28$4.00K0.00%00.0%Unchanged
Key Financial Inc27$4.05K0.00%+27New
Denali Advisors LLC30$4.50K0.00%+18+150.0%Added
Creative Financial Designs Inc33$4.95K0.00%+13+65.0%Added
Benjamin F. Edwards & Company, Inc.35$5.00K0.00%00.0%Unchanged
Loomis Sayles & Co L P36$5.00K0.00%+36New
Private Trust Co NA40$6.00K0.00%00.0%Unchanged
ClariVest Asset Management LLC41$6.00K0.00%+5+13.9%Added
JFS Wealth Advisors, LLC44$6.60K0.00%00.0%Unchanged
Sound Income Strategies, LLC46$6.89K0.00%+46New
Bell Investment Advisors, Inc49$7.34K0.00%−7−12.5%Reduced
Delta Asset Management LLC53$7.94K0.00%00.0%Unchanged
Umb Bank N A56$8.39K0.00%00.0%Unchanged
Harbour Investments, Inc.60$8.99K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC73$10.9K0.00%00.0%Unchanged
Massmutual Trust Co FSB75$11.2K0.00%+34+82.9%Added
Lindbrook Capital, LLC84$12.6K0.00%−6−6.7%Reduced
Aquatic Capital Management LLC100$15.0K0.00%+100New
Steward Partners Investment Advisory, LLC101$15.1K0.00%00.0%Unchanged
Farther Finance Advisors, LLC113$16.9K0.00%+59+109.3%Added
IFP Advisors, Inc327$20.5K0.00%+69+26.7%Added
Ci Investments Inc.145$22.0K0.00%+41+39.4%Added
Investors Research Corp150$22.5K0.01%00.0%Unchanged
Kapitalo Investimentos Ltda163$24.4K0.00%−659−80.2%Reduced
Quarry LP174$26.1K0.02%−214−55.2%Reduced
Bokf, NA190$28.5K0.00%−62−24.6%Reduced
Fifth Third Bancorp203$30.4K0.00%+43+26.9%Added
Nomura Asset Management Co Ltd220$33.0K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.258$37.0K0.00%−1,050−80.3%Reduced
First Horizon Advisors, Inc.274$41.1K0.00%00.0%Unchanged
First Capital Advisors Group, LLC.296$44.4K0.02%+296New
Baystate Wealth Management LLC312$46.8K0.00%00.0%Unchanged
Whittier Trust Co325$48.7K0.00%00.0%Unchanged
Truvestments Capital LLC330$49.5K0.02%00.0%Unchanged
National Bank of Canada402$60.3K0.00%+141+54.0%Added
EverSource Wealth Advisors, LLC426$63.9K0.01%+102+31.5%Added
Harvest Fund Management Co., Ltd429$64.0K0.01%−399−48.2%Reduced
Smithfield Trust Co435$64.0K0.00%00.0%Unchanged
Covestor Ltd486$73.0K0.06%+416+594.3%Added
EMC Capital Management6,292$75.0K0.15%+5,355+571.5%Added
Quadrant Capital Group LLC512$76.7K0.01%+106+26.1%Added
Point72 Asset Management, L.P.596$89.3K0.00%+26+4.6%Added
Altshuler Shaham Ltd601$90.1K0.00%+601New
Northwestern Mutual Wealth Management Co673$100.8K0.00%+217+47.6%Added
Signaturefd, LLC728$109.1K0.00%+247+51.4%Added
Column Capital Advisors, LLC751$112.6K0.02%00.0%Unchanged
Advisor Group Holdings, Inc.993$149.2K0.00%−566−36.3%Reduced
Quent Capital, LLC1,060$158.9K0.02%00.0%Unchanged
Bessemer Group Inc1,091$164.0K0.00%+1,057+3,108.8%Added
Gabelli Funds LLC1,350$202.4K0.00%+1,350New
Integrated Investment Consultants, LLC1,350$202.4K0.06%+1,350New
Quantinno Capital Management LP1,353$203.0K0.01%+1,353New
Forum Financial Management, LP1,377$206.4K0.00%+1,377New
DuPont Capital Management Corp1,391$208.5K0.01%−159−10.3%Reduced
Shell Asset Management Co1,392$209.0K0.01%−8−0.6%Reduced
Boston Private Wealth LLC1,530$229.3K0.00%−249−14.0%Reduced
FDx Advisors, Inc.1,548$232.0K0.01%+1,548New
Forte Capital LLC1,571$235.5K0.03%+1,571New
Cetera Advisor Networks LLC1,643$246.3K0.00%+58+3.7%Added
Boothbay Fund Management, LLC1,653$247.8K0.01%−552−25.0%Reduced
Alterna Wealth Management, Inc1,657$248.4K0.29%+1,657New
Nilsine Partners, LLC1,660$248.8K0.04%00.0%Unchanged
Private Advisor Group, LLC1,801$249.8K0.00%+1,801New
MQS Management LLC1,670$250.3K0.17%−908−35.2%Reduced
BNP Paribas Arbitrage, SA1,679$251.7K0.00%−5,809−77.6%Reduced
Greenleaf Trust1,726$258.7K0.00%−87−4.8%Reduced
Shelton Capital Management1,728$259.0K0.01%−183−9.6%Reduced
State of Wyoming1,736$260.2K0.08%+1,085+166.7%Added
Great Lakes Advisors, LLC1,748$262.0K0.00%−37−2.1%Reduced