Who Owns Affiliated Managers Group, Inc. (AMG)?Hedge Fund & Institutional Holders

$271.48+1.05 (+0.39%)Financial ServicesNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$7.10900435000385e+254T

% of Float Held

9.604005312576679e+289%

QoQ Change in Holders

+15 / -0

Price History

$143.35$190.20$237.05$283.90$330.75Sep 24Jun 25Mar 26

AMG — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
Allianz Asset Management GmbHNew Position+427K+$122.0M
NORGES BANKNew Position+395K+$113.0M
Bank of New York Mellon CorpNew Position+247K+$68.0M
Artisan Partners Limited PartnershipNew Position+130K+$37.0M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.New Position+123K+$35.0M
NEW YORK STATE COMMON RETIREMENT FUNDNew Position+92K+$26.0M
Aerodigm Wealth, LLCNew Position+89K+$25.6M
Arbejdsmarkedets TillaegspensionNew Position+86K+$24.7M
Retirement Systems of AlabamaNew Position+86K+$24.7M
LORD, ABBETT & CO. LLCNew Position+77K+$22.0M
Freestone Grove Partners LPNew Position+73K+$21.0M
LOOMIS SAYLES & CO L PNew Position+74K+$21.0M
PRINCIPAL FINANCIAL GROUP INCNew Position+61K+$17.4M
LOS ANGELES CAPITAL MANAGEMENT LLCNew Position+55K+$13.0M
Universal- Beteiligungs- und Servicegesellschaft mbHNew Position+44K+$12.8M

AMG — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
BlackRock, Inc.Decreased-23K-$672.0B
VANGUARD GROUP INCDecreased-89K-$660.2B
MORGAN STANLEYDecreased-236K-$462.4B
ARIEL INVESTMENTS, LLCDecreased-82K-$301.0B
Clarkston Capital Partners, LLCDecreased-328K-$293.6B
Boston PartnersDecreased-21K-$276.0B
MILLENNIUM MANAGEMENT LLCDecreased-221K-$242.3B
STATE STREET CORPDecreased-34K-$229.5B
CITADEL ADVISORS LLCDecreased-326K-$153.7B
LYRICAL ASSET MANAGEMENT LPDecreased-28K-$138.1B
Channing Capital Management, LLCDecreased-134K-$101.3B
UBS Group AGDecreased-55K-$83.4B
BALYASNY ASSET MANAGEMENT L.P.Decreased-104K-$80.1B
NORTHERN TRUST CORPDecreased-9K-$79.6B
CHARLES SCHWAB INVESTMENT MANAGEMENT INCDecreased-7K-$74.4B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1VANGUARD GROUP INC2,466,008$710.9M0.01%Share
2BlackRock, Inc.1,509,835$435.0M0.01%Share
3MORGAN STANLEY1,338,098$385.0M0.02%Share
4ARIEL INVESTMENTS, LLC1,127,708$325.1M3.51%Share
5STATE STREET CORP929,397$267.0M0.01%Share
6Clarkston Capital Partners, LLC904,119$260.6M6.03%Share
7BlackRock, Inc.801,435$231.0M0.00%Share
8MILLENNIUM MANAGEMENT LLC796,010$229.0M0.10%Share
9FULLER & THALER ASSET MANAGEMENT, INC.685,588$197.0M0.68%Share
10DIMENSIONAL FUND ADVISORS LP606,835$174.0M0.04%Share
11LYRICAL ASSET MANAGEMENT LP551,587$159.0M2.08%Share
12LSV ASSET MANAGEMENT473,021$136.4M0.30%Share
13GEODE CAPITAL MANAGEMENT, LLC452,771$130.0M0.01%Share
14NORGES BANK394,559$113.0M0.01%Share
15CITADEL ADVISORS LLC319,437$92.0M0.01%Share
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC305,596$88.0M0.01%Share
17Allianz Asset Management GmbH305,870$88.0M0.09%Share
18Channing Capital Management, LLC290,720$83.8M2.16%Share
19UBS Group AG267,978$77.3M0.01%Share
20BRUNI J V & CO /CO252,147$72.7M7.14%Share
21Fisher Asset Management, LLC243,830$70.0M0.02%Share
22Kiltearn Partners LLP236,414$68.2M14.76%Share
23BALYASNY ASSET MANAGEMENT L.P.231,675$66.0M0.08%Share
24PRICE T ROWE ASSOCIATES INC /MD/218,690$63.0M0.01%Share
25NORTHERN TRUST CORP215,664$62.0M0.01%Share
26NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO193,392$58.2M0.04%Share
27Holocene Advisors, LP184,010$53.0M0.11%Share
28BlackRock, Inc.171,695$49.0M0.00%Share
29FMR LLC172,270$49.0M0.00%Share
30VANGUARD GROUP INC169,827$49.0M0.00%Share
31MORGAN STANLEY152,645$44.0M0.00%Share
32RAYMOND JAMES FINANCIAL INC150,728$43.0M0.01%Share
33Bank of New York Mellon Corp143,731$41.0M0.01%Share
34Alyeska Investment Group, L.P.145,483$41.0M0.12%Share
35BlackRock, Inc.132,410$38.0M0.00%Share
36Artisan Partners Limited Partnership130,112$37.0M0.06%Share
37NOMURA ASSET MANAGEMENT INTERNATIONAL INC.122,905$35.0M0.05%Share
38Allianz Asset Management GmbH120,779$34.0M0.03%Share
39CAISSE DE DEPOT ET PLACEMENT DU QUEBEC106,100$30.0M0.05%Share
40Polar Capital Holdings Plc107,245$30.0M0.12%Share
41FIRST TRUST ADVISORS LP101,523$29.0M0.02%Share
42GOLDMAN SACHS GROUP INC101,965$29.0M0.00%Share
43Concentric Capital Strategies, LP99,955$28.8M1.39%Share
44MORGAN STANLEY98,693$28.0M0.00%Share
45GEODE CAPITAL MANAGEMENT, LLC98,382$28.0M0.00%Share
46VICTORY CAPITAL MANAGEMENT INC94,501$27.0M0.02%Share
47BANK OF AMERICA CORP /DE/95,197$27.0M0.00%Share
48Treasurer of the State of North Carolina94,453$27.0M0.09%Share
49Engineers Gate Manager LP92,301$26.0M0.31%Share
50NEW YORK STATE COMMON RETIREMENT FUND91,538$26.0M0.03%Share

AMG Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025503$7.1B+198
Q3 2025305$5.7T-62
Q2 2025367$3.4T-24
Q1 2025391$4.4T+13
Q4 2024378$40.3T+41
Q3 2024337$3605.9T+12
Q2 2024325$2914.7T+12
Q1 2024313$3329.4T—

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As of Q4 2025, 50 institutional investors hold AMG (Affiliated Managers Group, Inc.). The largest holder is VANGUARD GROUP INC with $710.9M in shares. This quarter, 15 institutions opened new positions and 0 closed their positions.

Frequently Asked Questions

How many hedge funds own AMG?

As of Q4 2025, 50 institutional investors report holding AMG (Affiliated Managers Group, Inc.) in their 13F filings.

Who is the largest institutional holder of AMG?

The largest institutional holder of AMG is VANGUARD GROUP INC with $710.9M in shares.

Is institutional ownership of AMG increasing or decreasing?

This quarter, 15 institutions opened new positions in AMG and 0 closed their positions.