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Affiliated Managers Group
450 hedge funds and large institutions have $6.32B invested in Affiliated Managers Group in 2025 Q3 according to their latest regulatory filings, with 59 funds opening new positions, 141 increasing their positions, 163 reducing their positions, and 36 closing their positions.
New
Increased
Maintained
Reduced
Closed
64% more first-time investments, than exits
New positions opened: 59 | Existing positions closed: 36
32% more call options, than puts
Call options by funds: $4.08M | Put options by funds: $3.1M
20% more capital invested
Capital invested by funds: $5.28B → $6.32B (+$1.03B)
17% more funds holding in top 10
Funds holding in top 10: 6 → 7 (+1)
4% more funds holding
Funds holding: 433 → 450 (+17)
1.24% less ownership
Funds ownership: 94.46% → 93.22% (-1.2%)
13% less repeat investments, than reductions
Existing positions increased: 141 | Existing positions reduced: 163
Holders
450
Holders Change
+17
Holders Change %
+3.93%
% of All Funds
5.91%
Holding in Top 10
7
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+16.67%
% of All Funds
0.09%
New
59
Increased
141
Reduced
163
Closed
36
Calls
$4.08M
Puts
$3.1M
Net Calls
+$978K
Net Calls Change
-$3.31M
Top Buyers
Top Sellers
| 1 |
Millennium Management
New York
|
-$122M |
| 2 |
CCP
Clarkston Capital Partners
Rochester,
Michigan
|
-$44.7M |
| 3 |
BA
Bridgewater Associates
Westport,
Connecticut
|
-$21.1M |
| 4 |
AI
Ariel Investments
Chicago,
Illinois
|
-$20.1M |
| 5 |
Morgan Stanley
New York
|
-$16.7M |
