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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 2021

Institutional positions in Affiliated Managers Group, Inc. as of Jun 30, 2021. 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
340
+20 vs. Q1 2021
Shares held
41.1M
−1.05M (−2.5%) vs. Q1 2021
Total value
$6.34B
+$55.6M (+0.9%) vs. Q1 2021
New holders
55
87 more added
Sold out
35
132 more reduced

Compare with Q1 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 holdersQ2 2021: 340 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 2021: $6.34B
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 2021

Shares, value and share of portfolio for each institution holding Affiliated Managers Group, Inc.; share changes are against Q1 2021.

Institutions holding AMG in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Caldwell Trust Co100$15.4K0.00%00.0%Unchanged
Legacy Bridge, LLC100$15.0K0.01%−75−42.9%Reduced
Proequities, Inc.97$15.0K0.00%+97New
Parallel Advisors, LLC92$14.0K0.00%00.0%Unchanged
Gemmer Asset Management LLC89$14.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC85$13.0K0.00%00.0%Unchanged
Fifth Third Bancorp85$13.0K0.00%+25+41.7%Added
Arcadia Investment Management Corp75$12.0K0.00%−25−25.0%Reduced
First Manhattan Co80$12.0K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC73$11.0K0.00%00.0%Unchanged
Gables Capital Management Inc.62$10.0K0.01%00.0%Unchanged
Quantbot Technologies LP61$9.00K0.00%−960−94.0%Reduced
Capital Advisory Group Advisory Services, LLC50$8.00K0.00%00.0%Unchanged
Huntington National Bank47$7.00K0.00%+27+135.0%Added
FourThought Financial, LLC42$6.00K0.00%−8−16.0%Reduced
Ellevest, Inc.36$6.00K0.00%00.0%Unchanged
West Branch Capital LLC31$5.00K0.00%+31New
TD Private Client Wealth LLC32$4.93K0.00%00.0%Unchanged
Massmutual Trust Co FSB27$4.00K0.00%00.0%Unchanged
Crewe Advisors LLC18$3.00K0.00%−88−83.0%Reduced
Creative Financial Designs Inc20$3.00K0.00%00.0%Unchanged
Enterprise Financial Services Corp22$3.00K0.00%00.0%Unchanged
Earnest Partners LLC19$3.00K0.00%00.0%Unchanged
Concord Wealth Partners18$3.00K0.00%00.0%Unchanged
Anchor Investment Management, LLC16$2.47K0.00%00.0%Unchanged
Bartlett & Co. LLC11$2.00K0.00%00.0%Unchanged
First Horizon Advisors, Inc.11$2.00K0.00%00.0%Unchanged
Glassman Wealth Services11$2.00K0.00%00.0%Unchanged
Ci Investments Inc.11$2.00K0.00%+4+57.1%Added
Lake Point Wealth Management13$2.00K0.00%+13New
Bartlett & Co. Wealth Management LLC11$1.70K0.00%00.0%Unchanged
Financial Management Professionals, Inc.5$1.00K0.00%−52−91.2%Reduced
JJJ Advisors Inc.9$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc9$1.00K0.00%00.0%Unchanged
CVA Family Office, LLC5$1.00K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.9$1.00K0.00%+9New
Raffa Wealth Management, LLC6$9250.00%00.0%Unchanged
Sargent Bickham Lagudis LLC2$00.00%00.0%Unchanged
Prestige Wealth Management Group LLC3$00.00%00.0%Unchanged
Harbour Investments, Inc.2$00.00%+2New
ACR Alpine Capital Research, LLC0$00.00%−583,547−100.0%Sold out
Contrarius Investment Management Ltd0$00.00%−160,351−100.0%Sold out
Bank of Nova Scotia0$00.00%−51,000−100.0%Sold out
Aigen Investment Management, LP0$00.00%−11,677−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−9,780−100.0%Sold out
Atria Investments LLC0$00.00%−9,362−100.0%Sold out
Cascadia Advisory Services, LLC0$00.00%−8,276−100.0%Sold out
Simplex Trading, LLC0$00.00%−5,614−100.0%Sold out
Athanor Capital, LP0$00.00%−5,542−100.0%Sold out
Marshall Wace North America L.P.0$00.00%−4,744−100.0%Sold out
Lazard Asset Management LLC0$00.00%−4,723−100.0%Sold out
CIBC World Markets Corp0$00.00%−4,577−100.0%Sold out
Martingale Asset Management L P0$00.00%−4,350−100.0%Sold out
Wolverine Asset Management LLC0$00.00%−3,650−100.0%Sold out
Harvest Investment Services, LLC0$00.00%−3,648−100.0%Sold out
Centiva Capital, LP0$00.00%−3,196−100.0%Sold out
Nomura Holdings Inc0$00.00%−2,785−100.0%Sold out
Cetera Investment Advisers0$00.00%−2,530−100.0%Sold out
Vestmark Advisory Solutions, Inc.0$00.00%−1,845−100.0%Sold out
LS Investment Advisors, LLC0$00.00%−1,755−100.0%Sold out
Toroso Investments, LLC0$00.00%−1,749−100.0%Sold out
MAI Capital Management0$00.00%−1,683−100.0%Sold out
M&T Bank Corp0$00.00%−1,568−100.0%Sold out
Virtu Financial LLC0$00.00%−1,565−100.0%Sold out
IBM Retirement Fund0$00.00%−1,534−100.0%Sold out
HighTower Advisors, LLC0$00.00%−1,530−100.0%Sold out
Creative Planning0$00.00%−1,523−100.0%Sold out
Sowell Financial Services LLC0$00.00%−304−100.0%Sold out
Assetmark, Inc0$00.00%−39−100.0%Sold out
Old North State Trust, LLC0$00.00%−30−100.0%Sold out
Valeo Financial Advisors, LLC0$00.00%−23−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−23−100.0%Sold out
Ameritas Investment Company, LLC0$00.00%−9−100.0%Sold out
Liberty Wealth Management LLC0$00.00%−4−100.0%Sold out
Atlas Private Wealth Advisors0$00.00%−7−100.0%Sold out