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Affiliated Managers Group

443 hedge funds and large institutions have $6.3B invested in Affiliated Managers Group in 2025 Q3 according to their latest regulatory filings, with 59 funds opening new positions, 139 increasing their positions, 163 reducing their positions, and 37 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

3% more funds holding

Funds holding: 431443 (+12)

1.44% less ownership

Funds ownership: 94.37%92.93% (-1.4%)

15% less repeat investments, than reductions

Existing positions increased: 139 | Existing positions reduced: 163

Holders
443
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
7
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$4.08M
Puts
$3.1M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Jacobs Levy Equity Management
76
Jacobs Levy Equity Management
New Jersey
$9.14M
New York State Teachers Retirement System (NYSTRS)
77
New York State Teachers Retirement System (NYSTRS)
New York
$8.72M
Calamos Advisors
78
Calamos Advisors
Illinois
$8.45M
ZIM
79
Zacks Investment Management
Illinois
$7.44M
LS
80
Livforsakringsbolaget Skandia
Sweden
$6.93M
NWM
81
Nicola Wealth Management
British Columbia, Canada
$6.91M
AssetMark Inc
82
AssetMark Inc
California
$6.74M
EP
83
Edgestream Partners
New Jersey
$6.7M
California State Teachers Retirement System (CalSTRS)
84
California State Teachers Retirement System (CalSTRS)
California
$6.55M
SCM
85
Sterling Capital Management
North Carolina
$6.44M
SPS
86
Susquehanna Portfolio Strategies
Pennsylvania
$6.23M
MWM
87
Moran Wealth Management
Florida
$6.06M
Canada Life
88
Canada Life
Manitoba, Canada
$5.99M
Arrowstreet Capital
89
Arrowstreet Capital
Massachusetts
$5.93M
Schroder Investment Management Group
90
Schroder Investment Management Group
United Kingdom
$5.84M
GCM
91
Genus Capital Management
British Columbia, Canada
$5.4M
PAPAIJV
92
Paragon Associates & Paragon Associates II Joint Venture
Texas
$5.36M
Manulife (Manufacturers Life Insurance)
93
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$4.89M
Mitsubishi UFJ Trust & Banking
94
Mitsubishi UFJ Trust & Banking
Japan
$4.89M
State Board of Administration of Florida Retirement System
95
State Board of Administration of Florida Retirement System
Florida
$4.79M
Skandinaviska Enskilda Banken (SEB)
96
Skandinaviska Enskilda Banken (SEB)
Sweden
$4.79M
AWA
97
Amplius Wealth Advisors
Pennsylvania
$4.67M
Robeco Institutional Asset Management
98
Robeco Institutional Asset Management
Netherlands
$4.64M
ECM
99
ExodusPoint Capital Management
New York
$4.58M
SCM
100
Seascape Capital Management
New Hampshire
$4.38M