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Affiliated Managers Group

504 hedge funds and large institutions have $7.47B invested in Affiliated Managers Group in 2025 Q4 according to their latest regulatory filings, with 98 funds opening new positions, 144 increasing their positions, 168 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

13% more funds holding

Funds holding: 447504 (+57)

0.69% less ownership

Funds ownership: 92.96%92.27% (-0.69%)

14% less repeat investments, than reductions

Existing positions increased: 144 | Existing positions reduced: 168

Holders
504
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
8
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$22M
Puts
$2.68M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
GT
276
Greenleaf Trust
Michigan
$519K
Hudson Bay Capital Management
277
Hudson Bay Capital Management
Connecticut
$519K
PA
278
Procyon Advisors
Connecticut
$499K
MCM
279
Massar Capital Management
Connecticut
$499K
SDIC
280
South Dakota Investment Council
South Dakota
$487K
Commonwealth Equity Services
281
Commonwealth Equity Services
Massachusetts
$480K
M&T Bank
282
M&T Bank
New York
$475K
JAM
283
Jupiter Asset Management
United Kingdom
$467K
CTC
284
Cetera Trust Company
Minnesota
$455K
SG Americas Securities
285
SG Americas Securities
New York
$449K
CIM
286
Cambria Investment Management
California
$443K
QT
287
Quantbot Technologies
New York
$441K
GI
288
GAMMA Investing
California
$438K
BFM
289
Boothbay Fund Management
New York
$436K
BCM
290
BTC Capital Management
Iowa
$433K
ITFISA
291
Investors Towarzystwo Funduszy Inwestycyjnych Spolka Akcyjna
$432K
AFG
292
Allegheny Financial Group
Pennsylvania
$431K
GT
293
Glenmede Trust
Pennsylvania
$430K
URS
294
Utah Retirement Systems
Utah
$426K
CIP
295
Cornerstone Investment Partners
Georgia
$421K
LCS
296
Levin Capital Strategies
New York
$419K
CP
297
CenterBook Partners
Connecticut
$400K
FFM
298
Forum Financial Management
Illinois
$399K
IP
299
Investment Partners
Ohio
$398K
ITG
300
Index Technologies Group
New York
$397K