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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
Signaturefd, LLC915$162.7K0.00%+20+2.2%Added
KBC Group NV980$174.0K0.00%+145+17.4%Added
Parallel Advisors, LLC1,063$189.1K0.00%−149−12.3%Reduced
Bessemer Group Inc1,081$192.0K0.00%+12+1.1%Added
Cetera Trust Company, N.A1,120$199.1K0.12%+165+17.3%Added
DekaBank Deutsche Girozentrale1,143$200.0K0.00%+38+3.4%Added
Entropy Technologies, LP1,128$200.6K0.02%+1,128New
MAI Capital Management1,142$203.0K0.00%+1,142New
Raymond James Financial Services Advisors, Inc.1,163$206.8K0.00%−532−31.4%Reduced
Bank of New Hampshire1,178$209.4K0.05%−61−4.9%Reduced
AE Wealth Management LLC1,182$210.2K0.00%+1,182New
EMC Capital Management1,190$212.0K0.17%00.0%Unchanged
NorthRock Partners, LLC1,195$212.5K0.01%+1,195New
Integrated Investment Consultants, LLC1,200$213.4K0.05%00.0%Unchanged
Point72 Hong Kong Ltd1,210$215.1K0.02%+1,210New
Sheets Smith Wealth Management1,227$218.2K0.03%+1,227New
TownSquare Capital, LLC1,227$218.2K0.00%+1,227New
Pinnacle Wealth Planning Services, Inc.1,240$220.5K0.03%+1,240New
Shelton Capital Management1,271$226.0K0.01%+1,271New
Advisor Group Holdings, Inc.1,275$226.8K0.00%−1,618−55.9%Reduced
Healthcare of Ontario Pension Plan Trust Fund1,300$231.1K0.00%−24,700−95.0%Reduced
ProShare Advisors LLC1,300$231.1K0.00%−203−13.5%Reduced
Horizon Kinetics Asset Management LLC1,351$240.2K0.00%+1,351New
Atlanta Consulting Group Advisors, LLC1,353$240.6K0.06%+1,353New
Quent Capital, LLC1,366$242.6K0.02%00.0%Unchanged
Magnetar Financial LLC1,374$244.3K0.01%+1,374New
Ritholtz Wealth Management1,374$244.3K0.01%+1,374New
Forum Financial Management, LP1,380$245.4K0.00%+1+0.1%Added
Tower Research Capital LLC (TRC)1,398$248.6K0.01%−3,408−70.9%Reduced
Cadent Capital Advisors, LLC1,410$250.7K0.09%00.0%Unchanged
Tolleson Wealth Management, Inc.1,437$255.0K0.05%00.0%Unchanged
EP Wealth Advisors, LLC1,460$259.7K0.00%+1,460New
Evergreen Capital Management LLC1,501$266.9K0.01%+1,501New
Shell Asset Management Co1,509$268.0K0.01%+1,509New
Toroso Investments, LLC1,533$272.6K0.00%−965−38.6%Reduced
Kapitalo Investimentos Ltda1,554$276.3K0.07%+155+11.1%Added
Summit Trail Advisors, LLC1,573$279.7K0.01%+1,573New
Investment Partners, Ltd.1,585$281.8K0.12%00.0%Unchanged
Ronald Blue Trust, Inc.1,807$282.3K0.00%+845+87.8%Added
Avantax Advisory Services, Inc.1,605$285.4K0.00%+111+7.4%Added
Dorsey & Whitney Trust CO LLC1,658$294.8K0.02%+1,658New
L2 Asset Management, LLC1,665$296.1K0.08%−84−4.8%Reduced
Utah Retirement Systems1,700$302.3K0.00%00.0%Unchanged
Empirical Asset Management, LLC1,792$318.6K0.11%+163+10.0%Added
Greenleaf Trust1,793$318.8K0.00%+27+1.5%Added
Connor, Clark & Lunn Investment Management Ltd.1,803$320.6K0.00%+1,803New
Maryland State Retirement & Pension System1,825$324.5K0.01%−895−32.9%Reduced
M&T Bank Corp1,888$335.7K0.00%+16+0.9%Added
Point72 (DIFC) Ltd1,964$349.1K0.03%−316−13.9%Reduced
Hancock Whitney Corp1,965$349.4K0.01%−26−1.3%Reduced
Guinness Asset Management LTD2,007$356.8K0.01%−229−10.2%Reduced
Wiley Bros.-Aintree Capital, LLC2,039$362.5K0.01%+2,039New
Callan Capital, LLC2,056$365.6K0.03%+173+9.2%Added
United Capital Financial Advisers, LLC2,145$381.3K0.00%+152+7.6%Added
Glenmede Trust Co NA2,149$382.1K0.00%+637+42.1%Added
South Dakota Investment Council2,188$389.0K0.01%00.0%Unchanged
HighTower Advisors, LLC2,267$408.0K0.00%+46+2.1%Added
RSM US Wealth Management LLC2,325$408.7K0.01%+2,325New
FJ Capital Management LLC2,301$409.1K0.04%−1,769−43.5%Reduced
Securian Asset Management, Inc2,318$412.1K0.01%−223−8.8%Reduced
Truist Financial Corp2,333$414.8K0.00%−25,877−91.7%Reduced
Procyon Private Wealth Partners, LLC2,351$418.0K0.03%00.0%Unchanged
Ironwood Investment Counsel, LLC2,365$420.5K0.07%−125−5.0%Reduced
The PNC Financial Services Group, Inc.2,369$421.2K0.00%−125−5.0%Reduced
Ontario Teachers Pension Plan Board2,398$426.4K0.00%00.0%Unchanged
Petrus Trust Company, LTA2,445$434.7K0.04%−1,998−45.0%Reduced
Coldstream Capital Management Inc2,480$442.0K0.01%+118+5.0%Added
Harbor Advisors LLC2,500$444.5K0.07%00.0%Unchanged
Paloma Partners Management Co2,500$444.5K0.02%+2,500New
AdvisorShares Investments LLC2,694$479.0K0.09%−178−6.2%Reduced
Gamco Investors, Inc. Et Al2,700$480.1K0.00%+1,000+58.8%Added
Guggenheim Capital LLC2,720$483.6K0.00%+1,197+78.6%Added
Lecap Asset Management Ltd2,721$483.8K0.10%−4,930−64.4%Reduced
Gabelli Funds LLC2,750$488.9K0.00%+500+22.2%Added
Crossmark Global Holdings, Inc.2,820$502.0K0.01%+912+47.8%Added
Forte Capital LLC2,825$502.3K0.06%+498+21.4%Added
Cetera Investment Advisers2,828$502.8K0.00%+196+7.4%Added
Fox Run Management, L.L.C.2,840$505.0K0.11%+451+18.9%Added
Allegheny Financial Group LTD2,903$516.2K0.13%+273+10.4%Added
Vident Advisory, LLC2,904$516.3K0.01%−185−6.0%Reduced
Radnor Capital Management, LLC2,970$528.0K0.08%00.0%Unchanged
Stifel Financial Corp2,993$532.2K0.00%−1,390−31.7%Reduced
Atria Investments LLC3,036$539.9K0.01%+3,036New
Kovitz Investment Group Partners, LLC3,117$543.1K0.00%+3,117New
Oak Thistle LLC3,116$554.0K0.18%−1,630−34.3%Reduced
Squarepoint Ops LLC3,146$559.4K0.00%+3,146New
Cornerstone Investment Partners, LLC3,198$568.6K0.03%+96+3.1%Added
Cornercap Investment Counsel Inc3,229$574.1K0.17%−3,690−53.3%Reduced
Wealth Enhancement Advisory Services, LLC3,236$575.4K0.00%−529−14.1%Reduced
Hillsdale Investment Management Inc.3,390$602.7K0.05%−350−9.4%Reduced
Wilkinson Global Asset Management LLC3,400$604.5K0.04%−200−5.6%Reduced
Public Employees Retirement Association of Colorado3,426$609.0K0.00%00.0%Unchanged
Y-Intercept (Hong Kong) Ltd3,518$625.5K0.04%−3,864−52.3%Reduced
River & Mercantile Asset Management LLP3,529$627.4K0.14%+328+10.2%Added
LPL Financial LLC3,569$634.6K0.00%−88−2.4%Reduced
Kestra Investment Management, LLC3,585$637.4K0.03%+3,585New
US Bancorp3,585$637.4K0.00%+160+4.7%Added
RBF Capital, LLC3,600$640.1K0.03%00.0%Unchanged
Xponance, Inc.3,627$644.9K0.01%−141−3.7%Reduced
Welch & Forbes LLC3,650$649.0K0.01%00.0%Unchanged