Skip to main content

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
Simplex Trading, LLC3,970$559.0K0.02%+1,496+60.5%Added
Psagot Value Holdings Ltd. / (Israel)3,900$550.0K0.12%00.0%Unchanged
Welch & Forbes LLC3,900$550.0K0.01%00.0%Unchanged
Cubic Asset Management, LLC3,894$549.0K0.13%−3,005−43.6%Reduced
Cornercap Investment Counsel Inc3,788$534.0K0.06%−387−9.3%Reduced
Colony Group LLC3,761$530.0K0.01%+6+0.2%Added
Securian Asset Management, Inc3,695$521.0K0.01%00.0%Unchanged
Brown Brothers Harriman & Co3,551$501.0K0.00%−12−0.3%Reduced
Dynamic Technology Lab Private Ltd3,520$496.0K0.06%−1,130−24.3%Reduced
SkyView Investment Advisors, LLC3,484$491.0K0.12%−8,525−71.0%Reduced
CIBC World Markets Inc.3,396$479.0K0.00%−37−1.1%Reduced
Crossmark Global Holdings, Inc.3,372$476.0K0.01%−790−19.0%Reduced
Summit Global Investments3,336$470.0K0.03%+3,336New
O'Shaughnessy Asset Management, LLC3,310$467.0K0.01%−47,555−93.5%Reduced
Aigen Investment Management, LP3,290$464.0K0.08%+3,290New
KB Financial Partners, LLC3,260$459.0K0.13%+514+18.7%Added
Illinois Municipal Retirement Fund3,131$441.0K0.01%00.0%Unchanged
Maryland State Retirement & Pension System3,129$441.0K0.01%00.0%Unchanged
Procyon Private Wealth Partners, LLC3,094$436.0K0.09%00.0%Unchanged
Meristem Family Wealth, LLC3,000$423.0K0.05%00.0%Unchanged
Trail Ridge Investment Advisors, LLC2,969$418.0K0.26%00.0%Unchanged
Diversified Trust Co2,907$410.0K0.01%+1,113+62.0%Added
Pictet Asset Management SA2,900$409.0K0.00%00.0%Unchanged
US Bancorp2,839$400.0K0.00%−2,077−42.2%Reduced
Winton Group Ltd2,803$395.0K0.02%+1,517+118.0%Added
SEI Investments Co2,966$368.0K0.00%−4,821−61.9%Reduced
Relative Value Partners Group, LLC2,540$358.0K0.02%00.0%Unchanged
Harbor Advisors LLC2,500$352.0K0.07%00.0%Unchanged
Cornerstone Investment Partners, LLC2,426$342.0K0.02%−93−3.7%Reduced
Ironwood Investment Counsel, LLC2,390$336.0K0.08%−250−9.5%Reduced
Coldstream Capital Management Inc2,238$315.0K0.01%−239−9.6%Reduced
Cadent Capital Advisors, LLC2,194$309.0K0.14%00.0%Unchanged
Shelton Capital Management2,183$308.0K0.01%00.0%Unchanged
Shell Asset Management Co2,148$303.0K0.01%−318−12.9%Reduced
Oak Thistle LLC2,110$298.0K0.16%+891+73.1%Added
United Capital Financial Advisers, LLC2,035$287.0K0.00%+54+2.7%Added
Campbell & CO Investment Adviser LLC2,015$284.0K0.08%−316−13.6%Reduced
Paloma Partners Management Co2,000$282.0K0.02%−20,088−90.9%Reduced
Wade G W & Inc1,936$273.0K0.01%+373+23.9%Added
CWM, LLC1,909$269.0K0.00%+881+85.7%Added
LPL Financial LLC1,878$265.0K0.00%−1,611−46.2%Reduced
Integrated Investment Consultants, LLC1,875$264.0K0.07%−25−1.3%Reduced
Profund Advisors LLC1,863$263.0K0.01%−230−11.0%Reduced
Nicolet Bankshares Inc1,863$263.0K0.06%−42−2.2%Reduced
Tower Research Capital LLC (TRC)1,837$259.0K0.00%−4,828−72.4%Reduced
Advisory Services Network, LLC1,822$257.0K0.01%−7−0.4%Reduced
Silvercrest Asset Management Group LLC1,758$248.0K0.00%00.0%Unchanged
Wealthcare Advisory Partners LLC1,687$238.0K0.01%−170−9.2%Reduced
CIBC Asset Management Inc1,692$238.0K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC1,644$232.0K0.00%+56+3.5%Added
Gsa Capital Partners LLP1,614$227.0K0.03%−492−23.4%Reduced
FDx Advisors, Inc.1,582$223.0K0.01%+1,582New
HighTower Advisors, LLC1,520$212.0K0.00%−95−5.9%Reduced
Squarepoint Ops LLC1,498$211.0K0.00%−2,647−63.9%Reduced
JBF Capital, Inc.1,500$211.0K0.04%00.0%Unchanged
Greenleaf Trust1,438$203.0K0.00%+92+6.8%Added
Quent Capital, LLC1,099$155.0K0.03%+290+35.8%Added
Captrust Financial Advisors978$138.0K0.00%+152+18.4%Added
Covestor Ltd976$138.0K0.10%+466+91.4%Added
Sutton Wealth Advisors Inc.898$126.6K0.04%−5−0.6%Reduced
Smithfield Trust Co883$124.0K0.01%00.0%Unchanged
Manchester Capital Management LLC800$113.0K0.02%00.0%Unchanged
Canada Pension Plan Investment Board800$113.0K0.00%+800New
Column Capital Advisors, LLC757$107.0K0.02%−7−0.9%Reduced
Harvest Fund Management Co., Ltd696$98.0K0.02%00.0%Unchanged
Advisor Group Holdings, Inc.441$77.0K0.00%−9,112−95.4%Reduced
KBC Group NV410$58.0K0.00%00.0%Unchanged
Northwestern Mutual Wealth Management Co361$51.0K0.00%−24−6.2%Reduced
Rockefeller Capital Management L.P.339$47.0K0.00%+133+64.6%Added
Whittier Trust Co325$46.0K0.00%00.0%Unchanged
Signaturefd, LLC322$45.0K0.00%−19−5.6%Reduced
Baystate Wealth Management LLC312$44.0K0.00%00.0%Unchanged
Nomura Asset Management Co Ltd310$43.7K0.00%+310New
EMC Capital Management346$43.0K0.03%+346New
IFP Advisors, Inc551$38.0K0.00%+280+103.3%Added
Lazard Asset Management LLC275$38.0K0.00%+119+76.3%Added
Quadrant Capital Group LLC217$31.0K0.00%+22+11.3%Added
Valeo Financial Advisors, LLC26,542$30.0K0.00%+26,542New
TCI Wealth Advisors, Inc.206$29.0K0.00%+1+0.5%Added
Penserra Capital Management LLC182$25.0K0.00%+8+4.6%Added
Fifth Third Bancorp163$23.0K0.00%+13+8.7%Added
Investors Research Corp150$21.0K0.01%00.0%Unchanged
Parallel Advisors, LLC129$19.0K0.00%+26+25.2%Added
San Luis Wealth Advisors LLC105$17.0K0.01%+105New
SJS Investment Consulting Inc.119$16.0K0.00%+2+1.7%Added
Caldwell Trust Co100$14.1K0.00%00.0%Unchanged
Parkside Financial Bank & Trust101$14.0K0.00%−15−12.9%Reduced
Steward Partners Investment Advisory, LLC101$14.0K0.00%00.0%Unchanged
Repertoire Partners LP100$14.0K0.01%00.0%Unchanged
Lindbrook Capital, LLC98$14.0K0.00%+13+15.3%Added
Gemmer Asset Management LLC89$12.0K0.00%00.0%Unchanged
First Manhattan Co80$11.0K0.00%00.0%Unchanged
Arcadia Investment Management Corp75$11.0K0.00%00.0%Unchanged
Plante Moran Financial Advisors, LLC73$10.0K0.00%00.0%Unchanged
Huntington National Bank70$10.0K0.00%+7+11.1%Added
Money Concepts Capital Corp68$10.0K0.00%+68New
GHP Investment Advisors, Inc.72$10.0K0.00%+72New
Gables Capital Management Inc.62$9.00K0.01%00.0%Unchanged
Ellevest, Inc.59$8.00K0.00%+23+63.9%Added
First Horizon Advisors, Inc.57$8.00K0.00%+46+418.2%Added