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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, Q1 2022

Institutional positions in Affiliated Managers Group, Inc. as of Mar 31, 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
335
−27 vs. Q4 2021
Shares held
37.8M
−1.40M (−3.6%) vs. Q4 2021
Total value
$5.32B
−$1.13B (−17.5%) vs. Q4 2021
New holders
28
118 more added
Sold out
55
129 more reduced

3 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: 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 holdersQ1 2022: 335 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 heldQ1 2022: $5.32B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q4 2021.

Institutions holding AMG in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Carnegie Capital Asset Management, LLC23,693$3.34M0.12%−1,030−4.2%Reduced
Oppenheimer Asset Management Inc.23,681$3.34M0.05%−3,024−11.3%Reduced
Yousif Capital Management, LLC23,530$3.32M0.04%+491+2.1%Added
Price T Rowe Associates Inc23,515$3.31M0.00%+3,269+16.1%Added
State of New Jersey Common Pension Fund D23,223$3.27M0.01%00.0%Unchanged
Algert Global LLC22,108$3.12M0.20%+15,757+248.1%Added
Ilmarinen Mutual Pension Insurance Co21,705$3.06M0.04%00.0%Unchanged
Citigroup Inc21,366$3.01M0.00%−8,813−29.2%Reduced
Public Employees Retirement System of Ohio21,060$2.97M0.01%−1,262−5.7%Reduced
Two Sigma Investments, LP20,966$2.96M0.01%+18,597+785.0%Added
Henshaw Capital LLC20,462$2.88M0.17%+5,324+35.2%Added
Rafferty Asset Management, LLC20,392$2.87M0.02%−990−4.6%Reduced
Ensign Peak Advisors, Inc19,940$2.81M0.01%−1,095−5.2%Reduced
Comerica Bank19,568$2.74M0.02%+326+1.7%Added
Verdence Capital Advisors LLC18,690$2.63M0.30%−415−2.2%Reduced
Barclays PLC18,195$2.56M0.00%−5,696−23.8%Reduced
Royal Bank of Canada18,158$2.56M0.00%−1,627−8.2%Reduced
Poehling Capital Management, LLC17,406$2.45M0.76%+1,246+7.7%Added
Arrowstreet Capital, Limited Partnership17,057$2.40M0.00%−317,146−94.9%Reduced
BNP Paribas Arbitrage, SA16,870$2.38M0.00%+2,516+17.5%Added
Pinebridge Investments, L.P.16,688$2.35M0.03%+799+5.0%Added
Virginia Retirement Systems Et Al16,300$2.30M0.02%+2,800+20.7%Added
HRT Financial LP15,884$2.24M0.02%+1,295+8.9%Added
Alaska Permanent Fund Corp15,300$2.16M0.04%00.0%Unchanged
National Bank of Canada15,050$2.12M0.01%−19,050−55.9%Reduced
Long Road Investment Counsel, LLC14,985$2.11M0.95%−60−0.4%Reduced
Treasurer of the State of North Carolina14,931$2.10M0.01%+238+1.6%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys14,898$2.10M0.02%+1,420+10.5%Added
Westpac Banking Corp14,760$2.08M0.02%00.0%Unchanged
Blair William & Co14,730$2.08M0.01%−275−1.8%Reduced
SG Americas Securities, LLC13,858$1.95M0.02%+3,681+36.2%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main13,632$1.92M0.00%−37,282−73.2%Reduced
Oregon Public Employees Retirement Fund13,102$1.85M0.02%−300−2.2%Reduced
Caisse de Depot Et Placement du Quebec12,800$1.80M0.00%+12,800New
Natixis Advisors, L.P.12,741$1.80M0.01%+310+2.5%Added
Stifel Financial Corp12,661$1.78M0.00%−16,097−56.0%Reduced
Seascape Capital Management12,281$1.73M0.90%+954+8.4%Added
Brandywine Global Investment Management, LLC11,484$1.62M0.01%+312+2.8%Added
Neuberger Berman Group LLC11,312$1.59M0.00%+1,247+12.4%Added
Sepio Capital, LP11,252$1.59M0.14%−619−5.2%Reduced
Gotham Asset Management, LLC11,224$1.58M0.05%+2,878+34.5%Added
Arizona State Retirement System10,989$1.55M0.01%−101−0.9%Reduced
Ameritas Investment Partners, Inc.10,915$1.54M0.06%00.0%Unchanged
Thrivent Financial for Lutherans10,622$1.50M0.00%−97−0.9%Reduced
Louisiana State Employees Retirement System10,600$1.48M0.04%+100+1.0%Added
Jane Street Group, LLC10,462$1.48M0.00%+7,469+249.5%Added
State of Michigan Retirement System10,319$1.45M0.01%+53+0.5%Added
Graham Capital Management, L.P.10,249$1.44M0.06%+7,530+276.9%Added
The PNC Financial Services Group, Inc.9,899$1.40M0.00%−1,564−13.6%Reduced
Sumitomo Mitsui Trust Holdings, Inc.9,765$1.38M0.00%00.0%Unchanged
Redwood Investment Management, LLC9,504$1.34M0.20%+1,472+18.3%Added
Envestnet Asset Management Inc9,498$1.34M0.00%−4,548−32.4%Reduced
South Dakota Investment Council9,041$1.27M0.03%−3,624−28.6%Reduced
New Mexico Educational Retirement Board8,800$1.24M0.05%00.0%Unchanged
Bank of Montreal8,484$1.24M0.00%+3,992+88.9%Added
Janus Henderson Group PLC8,631$1.22M0.00%−30.0%Reduced
Teacher Retirement System of Texas8,378$1.18M0.01%+373+4.7%Added
Duality Advisers, LP8,334$1.18M0.13%+1,940+30.3%Added
Commerce Bank8,073$1.14M0.01%−104−1.3%Reduced
Nisa Investment Advisors, LLC8,045$1.13M0.01%+8,045New
Mackenzie Financial Corp7,810$1.10M0.00%−60,995−88.6%Reduced
Handelsbanken Fonder AB7,800$1.10M0.01%00.0%Unchanged
Holocene Advisors, LP7,626$1.07M0.01%+7,626New
Federated Hermes, Inc.7,617$1.07M0.00%−118−1.5%Reduced
Susquehanna International Group, LLP7,623$1.07M0.00%+3,100+68.5%Added
Regions Financial Corp7,496$1.06M0.01%−105−1.4%Reduced
Bank of New Hampshire7,330$1.03M0.25%+194+2.7%Added
Utah Retirement Systems7,180$1.01M0.01%−200−2.7%Reduced
STRS Ohio6,972$982.0K0.00%−2,277−24.6%Reduced
Northwestern Mutual Investment Management Company, LLC6,752$952.0K0.02%+13+0.2%Added
ProShare Advisors LLC6,581$928.0K0.00%−590−8.2%Reduced
Guggenheim Capital LLC6,534$921.0K0.01%−3,658−35.9%Reduced
Martingale Asset Management L P6,358$897.0K0.01%+4,525+246.9%Added
Charles Carroll Financial Partners, LLC6,350$895.0K0.93%−1,700−21.1%Reduced
Cerity Partners LLC6,251$881.0K0.01%+3,686+143.7%Added
Teachers Retirement System of the State of Kentucky6,000$846.0K0.01%−400−6.3%Reduced
State of Alaska, Department of Revenue5,719$806.0K0.01%−9,096−61.4%Reduced
Fisher Asset Management, LLC5,706$804.0K0.00%+29+0.5%Added
CWM Advisors, LLC5,705$804.0K0.09%+492+9.4%Added
RMB Capital Management, LLC5,600$789.0K0.02%00.0%Unchanged
Zurcher Kantonalbank (Zurich Cantonalbank)5,506$776.0K0.00%−444−7.5%Reduced
Public Employees Retirement Association of Colorado5,475$772.0K0.00%−915−14.3%Reduced
JustInvest LLC5,379$758.0K0.04%+3,549+193.9%Added
Raymond James Trust N.A.5,360$755.0K0.02%+265+5.2%Added
Trexquant Investment LP5,259$741.0K0.03%+5,259New
Mitsubishi UFJ Trust & Banking Corp5,201$733.0K0.00%−400−7.1%Reduced
AlphaCrest Capital Management LLC5,130$723.0K0.04%−11,304−68.8%Reduced
HSBC Holdings PLC4,998$719.0K0.00%−1,431−22.3%Reduced
CenterBook Partners LP4,984$702.0K0.25%+3,395+213.7%Added
Engineers Gate Manager LP4,890$689.0K0.03%−5,326−52.1%Reduced
Bridgewater Associates, LP4,875$687.0K0.00%−2,330−32.3%Reduced
ETF Managers Group, LLC4,664$681.0K0.01%+82+1.8%Added
Acadian Asset Management LLC4,819$678.0K0.00%−39,123−89.0%Reduced
Echo Street Capital Management LLC4,625$652.0K0.00%−232−4.8%Reduced
Franklin Resources Inc4,484$633.0K0.00%+259+6.1%Added
Xponance, Inc.4,442$626.0K0.01%−66−1.5%Reduced
Guinness Asset Management LTD4,409$621.0K0.02%−781−15.0%Reduced
ExodusPoint Capital Management, LP4,391$619.0K0.01%−1,025−18.9%Reduced
Ergoteles LLC4,362$615.0K0.02%−1,964−31.0%Reduced
Impax Asset Management Group plc4,178$589.0K0.00%−21−0.5%Reduced