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Affiliated Managers Group

509 hedge funds and large institutions have $7.47B invested in Affiliated Managers Group in 2025 Q4 according to their latest regulatory filings, with 100 funds opening new positions, 144 increasing their positions, 170 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

721% more call options, than puts

Call options by funds: $22M | Put options by funds: $2.68M

223% more first-time investments, than exits

New positions opened: 100 | Existing positions closed: 31

18% more capital invested

Capital invested by funds: $6.32B → $7.47B (+$1.15B)

13% more funds holding

Funds holding: 450509 (+59)

0% more funds holding in top 10

Funds holding in top 10: 77 (0)

1.02% less ownership

Funds ownership: 93.22%92.2% (-1%)

15% less repeat investments, than reductions

Existing positions increased: 144 | Existing positions reduced: 170

Holders
509
Holders Change
+59
Holders Change %
+13.11%
% of All Funds
6.19%
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.09%
New
100
Increased
144
Reduced
170
Closed
31
Calls
$22M
Puts
$2.68M
Net Calls
+$19.3M
Net Calls Change
+$18.4M
Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$807M -$5.86M -22,654 -0.8%
Vanguard Group
2
Vanguard Group
Pennsylvania
$774M -$22.9M -88,693 -3%
Morgan Stanley
3
Morgan Stanley
New York
$492M -$60.9M -235,797 -12%
AI
4
Ariel Investments
Illinois
$341M -$21.1M -81,601 -6%
Boston Partners
5
Boston Partners
Massachusetts
$328M -$5.33M -20,634 -2%
State Street
6
State Street
Massachusetts
$268M -$8.87M -34,311 -4%
CCP
7
Clarkston Capital Partners
Michigan
$261M -$84.8M -328,214 -27%
Millennium Management
8
Millennium Management
New York
$229M -$57.1M -221,103 -22%
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$202M +$3.96M +15,332 +2%
Fuller & Thaler Asset Management
10
Fuller & Thaler Asset Management
California
$198M +$29.8M +115,313 +20%
LAM
11
Lyrical Asset Management
New York
$159M -$7.3M -28,248 -5%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$159M +$10.7M +41,322 +8%
LSV Asset Management
13
LSV Asset Management
Illinois
$136M -$1.71M -6,603 -1%
Allianz Asset Management
14
Allianz Asset Management
Germany
$123M +$8.66M +33,488 +9%
Norges Bank
15
Norges Bank
Norway
$114M +$102M +394,559 New
Northern Trust
16
Northern Trust
Illinois
$93.9M -$2.24M -8,672 -3%
Citadel Advisors
17
Citadel Advisors
Florida
$92.1M -$84.2M -325,704 -50%
Charles Schwab
18
Charles Schwab
California
$88.1M -$1.8M -6,972 -2%
UBS Group
19
UBS Group
Switzerland
$85.2M -$14.2M -54,794 -16%
CCM
20
Channing Capital Management
Illinois
$83.8M -$34.7M -134,317 -32%
JVBC
21
J.V. Bruni & Co
Colorado
$72.7M -$735K -2,842 -1%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$71.3M +$787K +3,046 +1%
Fisher Asset Management
23
Fisher Asset Management
Washington
$70.3M +$10.4M +40,107 +20%
T. Rowe Price Associates
24
T. Rowe Price Associates
Maryland
$69.8M -$507K -1,961 -0.8%
Raymond James Financial
25
Raymond James Financial
Florida
$68.4M +$11.4M +44,011 +23%