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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
BHCM
251
Brevan Howard Capital Management
Jersey
$478K
HKAM
252
Horizon Kinetics Asset Management
New York
$472K
SDIC
253
South Dakota Investment Council
South Dakota
$450K
Susquehanna International Group
254
Susquehanna International Group
Pennsylvania
$448K
TRCT
255
Tower Research Capital (TRC)
New York
$447K
HW
256
Hancock Whitney
Mississippi
$442K
GIM
257
Glenmede Investment Management
Pennsylvania
$427K
GT
258
Greenleaf Trust
Michigan
$423K
TI
259
Tidal Investments
Wisconsin
$413K
PA
260
Procyon Advisors
Connecticut
$393K
DFCM
261
Dark Forest Capital Management
Puerto Rico
$391K
CFO
262
Callan Family Office
Pennsylvania
$386K
JAM
263
Jupiter Asset Management
United Kingdom
$386K
QC
264
Quadrature Capital
United Kingdom
$379K
CTC
265
Cetera Trust Company
Minnesota
$377K
AFG
266
Allegheny Financial Group
Pennsylvania
$360K
URS
267
Utah Retirement Systems
Utah
$352K
HSBC Holdings
268
HSBC Holdings
United Kingdom
$350K
CIP
269
Cornerstone Investment Partners
Georgia
$344K
PAS
270
Point72 Asia (Singapore)
Singapore
$338K
FFM
271
Forum Financial Management
Illinois
$330K
IP
272
Investment Partners
Ohio
$329K
MSRPS
273
Maryland State Retirement & Pension System
Maryland
$328K
DWT
274
Dorsey & Whitney Trust
South Dakota
$328K
PCM
275
Polymer Capital Management
New York
$326K