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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 2022

Institutional positions in Affiliated Managers Group, Inc. as of Sep 30, 2022. 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
329
+20 vs. Q2 2022
Shares held
36.3M
−759.5K (−2.1%) vs. Q2 2022
Total value
$4.06B
−$265.8M (−6.1%) vs. Q2 2022
New holders
45
107 more added
Sold out
25
113 more reduced

2 institutions that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2022: 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 2022: 329 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 2022: $4.06B
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 2022

Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q2 2022.

Institutions holding AMG in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Point72 Asset Management, L.P.25,700$2.88M0.01%+25,700New
Algert Global LLC25,658$2.87M0.17%+3,550+16.1%Added
MetLife Investment Management24,544$2.75M0.02%−600−2.4%Reduced
Carnegie Capital Asset Management, LLC23,298$2.61M0.12%−165−0.7%Reduced
Jacobs Levy Equity Management, Inc23,039$2.58M0.02%+21+0.1%Added
ExodusPoint Capital Management, LP22,857$2.56M0.04%+107+0.5%Added
HSBC Holdings PLC22,364$2.54M0.00%+13,697+158.0%Added
Ilmarinen Mutual Pension Insurance Co21,705$2.43M0.04%00.0%Unchanged
Virginia Retirement Systems Et Al21,600$2.42M0.03%+21,600New
Acadian Asset Management LLC21,474$2.40M0.01%+18,781+697.4%Added
Russell Investments Group, Ltd.21,184$2.37M0.01%+1,646+8.4%Added
Prudential Financial Inc21,087$2.36M0.00%−190−0.9%Reduced
Yousif Capital Management, LLC20,792$2.33M0.03%−2,243−9.7%Reduced
Henshaw Capital LLC20,465$2.29M0.17%+20.0%Added
State of New Jersey Common Pension Fund D20,289$2.27M0.01%−2,934−12.6%Reduced
Price T Rowe Associates Inc20,072$2.25M0.00%−2,034−9.2%Reduced
Public Employees Retirement System of Ohio19,037$2.13M0.01%−73−0.4%Reduced
Alaska Permanent Fund Corp18,900$2.11M0.04%00.0%Unchanged
Comerica Bank17,433$2.10M0.02%−545−3.0%Reduced
Ergoteles LLC18,762$2.10M0.07%+18,762New
Citigroup Inc18,635$2.08M0.00%+727+4.1%Added
Verdence Capital Advisors LLC18,291$2.05M0.28%−128−0.7%Reduced
Barclays PLC17,872$2.00M0.00%−19,287−51.9%Reduced
Poehling Capital Management, LLC17,440$1.95M0.82%00.0%Unchanged
Cubist Systematic Strategies, LLC16,946$1.90M0.01%−3,150−15.7%Reduced
Fred Alger Management, LLC16,826$1.88M0.01%00.0%Unchanged
Treasurer of the State of North Carolina16,255$1.82M0.01%+20+0.1%Added
Stifel Financial Corp16,126$1.80M0.00%+819+5.4%Added
Teacher Retirement System of Texas15,560$1.74M0.01%+8,954+135.5%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys15,156$1.70M0.02%−155−1.0%Reduced
Long Road Investment Counsel, LLC15,045$1.68M0.92%00.0%Unchanged
Blair William & Co14,436$1.61M0.01%00.0%Unchanged
Envestnet Asset Management Inc14,429$1.61M0.00%+1,052+7.9%Added
Westpac Banking Corp13,910$1.56M0.02%−850−5.8%Reduced
Neuberger Berman Group LLC13,423$1.50M0.00%+2,189+19.5%Added
Natixis Advisors, L.P.13,151$1.47M0.01%+227+1.8%Added
DuPont Capital Management Corp13,108$1.47M0.09%+13,108New
Seascape Capital Management12,288$1.37M0.94%−268−2.1%Reduced
Gotham Asset Management, LLC12,152$1.36M0.04%+712+6.2%Added
Sepio Capital, LP11,394$1.27M0.13%−140−1.2%Reduced
Redwood Investment Management, LLC11,237$1.26M0.26%+738+7.0%Added
Oregon Public Employees Retirement Fund11,161$1.25M0.02%−541−4.6%Reduced
Magnetar Financial LLC10,587$1.18M0.02%+10,587New
Arizona State Retirement System10,510$1.18M0.01%−270−2.5%Reduced
Maltese Capital Management LLC10,500$1.18M0.28%+10,500New
Pathstone Family Office, LLC10,387$1.16M0.02%+1,314+14.5%Added
Louisiana State Employees Retirement System10,200$1.14M0.03%00.0%Unchanged
Thrivent Financial for Lutherans10,117$1.13M0.00%−29−0.3%Reduced
The PNC Financial Services Group, Inc.9,957$1.11M0.00%−129−1.3%Reduced
Ameritas Investment Partners, Inc.9,831$1.10M0.05%−483−4.7%Reduced
Captrust Financial Advisors9,788$1.09M0.01%+7,941+429.9%Added
State of Michigan Retirement System9,619$1.08M0.01%−200−2.0%Reduced
Voya Investment Management LLC9,592$1.07M0.00%−276−2.8%Reduced
Federated Hermes, Inc.8,851$990.0K0.00%+1,343+17.9%Added
CenterBook Partners LP8,369$936.0K0.18%+2,021+31.8%Added
Sumitomo Mitsui Trust Holdings, Inc.8,333$932.0K0.00%00.0%Unchanged
Fisher Asset Management, LLC8,300$928.0K0.00%+189+2.3%Added
State of Alaska, Department of Revenue8,195$916.0K0.01%+2,641+47.6%Added
Marshall Wace, LLP8,029$898.0K0.00%+8,029New
Commerce Bank7,977$892.0K0.01%−4−0.1%Reduced
Nisa Investment Advisors, LLC7,974$892.0K0.01%+29+0.4%Added
Campbell & CO Investment Adviser LLC7,840$877.0K0.20%+7,840New
AlphaCrest Capital Management LLC7,777$870.0K0.05%+1,054+15.7%Added
STRS Ohio7,591$849.0K0.00%+873+13.0%Added
Regions Financial Corp7,496$838.0K0.01%−30.0%Reduced
South Dakota Investment Council7,440$832.0K0.02%00.0%Unchanged
Mackenzie Financial Corp7,241$810.0K0.00%−286−3.8%Reduced
Cerity Partners LLC7,179$803.0K0.01%−74−1.0%Reduced
Bank of Montreal6,876$795.0K0.00%−6,731−49.5%Reduced
Utah Retirement Systems6,880$770.0K0.01%00.0%Unchanged
Teachers Retirement System of the State of Kentucky6,722$752.0K0.01%+6,722New
LPL Financial LLC6,711$751.0K0.00%+2,714+67.9%Added
Susquehanna International Group, LLP6,562$734.0K0.00%−5,909−47.4%Reduced
Aviva PLC6,551$733.0K0.00%+6,551New
Diversified Trust Co6,210$695.0K0.03%+3,700+147.4%Added
New Mexico Educational Retirement Board6,100$682.0K0.04%00.0%Unchanged
Handelsbanken Fonder AB5,900$660.0K0.00%00.0%Unchanged
Raymond James Trust N.A.5,742$643.0K0.02%+229+4.2%Added
RMB Capital Management, LLC5,633$630.0K0.02%+33+0.6%Added
Northwestern Mutual Investment Management Company, LLC5,521$618.0K0.02%−953−14.7%Reduced
Jane Street Group, LLC5,504$616.0K0.00%−2,286−29.3%Reduced
Alberta Investment Management Corp5,500$615.0K0.00%00.0%Unchanged
Public Employees Retirement Association of Colorado5,475$612.0K0.00%00.0%Unchanged
Trexquant Investment LP5,471$612.0K0.02%+5,471New
Guggenheim Capital LLC5,378$602.0K0.01%−747−12.2%Reduced
JustInvest LLC5,282$591.0K0.03%+684+14.9%Added
Allspring Global Investments Holdings, LLC5,150$576.0K0.00%+4,498+689.9%Added
Illinois Municipal Retirement Fund5,088$569.0K0.01%00.0%Unchanged
Winton Group Ltd4,874$545.0K0.04%+2,062+73.3%Added
ETF Managers Group, LLC4,861$544.0K0.02%+188+4.0%Added
CWM Advisors, LLC4,826$540.0K0.08%−484−9.1%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)4,812$538.0K0.00%00.0%Unchanged
Brown Brothers Harriman & Co4,798$537.0K0.01%+148+3.2%Added
BNP Paribas Arbitrage, SA4,694$525.0K0.00%−8,862−65.4%Reduced
ProShare Advisors LLC4,657$521.0K0.00%−207−4.3%Reduced
AE Wealth Management LLC4,522$506.0K0.00%+4,522New
Xponance, Inc.4,504$504.0K0.01%−99−2.2%Reduced
Walleye Capital LLC4,451$498.0K0.01%+4,451New
Graham Capital Management, L.P.4,419$494.0K0.02%+4,419New
Wilkinson Global Asset Management LLC4,103$459.0K0.04%+600+17.1%Added