Affiliated Managers Group
396 hedge funds and large institutions have $4.65B invested in Affiliated Managers Group in 2025 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 114 increasing their positions, 170 reducing their positions, and 48 closing their positions.
529% more call options, than puts
Call options by funds: $6.13M | Put options by funds: $975K
0.86% more ownership
Funds ownership: 93.76% → 94.63% (+0.86%)
3% less funds holding
Funds holding: 408 → 396 (-12)
11% less capital invested
Capital invested by funds: $5.21B → $4.65B (-$556M)
21% less first-time investments, than exits
New positions opened: 38 | Existing positions closed: 48
33% less repeat investments, than reductions
Existing positions increased: 114 | Existing positions reduced: 170
38% less funds holding in top 10
Funds holding in top 10: 8 → 5 (-3)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$167M |
| 2 |
Verition Fund Management
Greenwich,
Connecticut
|
+$9.31M |
| 3 |
LSV Asset Management
Chicago,
Illinois
|
+$7.69M |
| 4 |
Northern Trust
Chicago,
Illinois
|
+$6.22M |
| 5 |
BGIM
Brandywine Global Investment Management
Philadelphia,
Pennsylvania
|
+$4.74M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SAM
Southeastern Asset Management
Memphis,
Tennessee
|
-$38.8M |
| 2 |
Vanguard Group
Malvern,
Pennsylvania
|
-$37.9M |
| 3 |
Invesco
Atlanta,
Georgia
|
-$23.3M |
| 4 |
LCP
LGT Capital Partners
Pfaeffikon,
Switzerland
|
-$13.4M |
| 5 |
CCM
Channing Capital Management
Chicago,
Illinois
|
-$12.3M |
AMG Hedge Fund Activity: Q1 2025 in Review
396 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in Affiliated Managers Group (AMG) for Q1 2025, worth a combined $4.65B — down 11% from $5.21B a quarter earlier.
Sellers outnumbered buyers: 48 funds closed out of AMG and 38 opened new positions — a net loss of 10 holders — while 170 trimmed existing stakes and 114 added.
The largest buyer was Millennium Management, adding an estimated $167M. The largest seller was Southeastern Asset Management, cutting an estimated $38.8M.
- 396 institutional investors held Affiliated Managers Group (AMG) as of Q1 2025, down from 408 in Q4 2024.
- Funds reported $4.65B of Affiliated Managers Group stock for Q1 2025, down 11% quarter-over-quarter.
- 38 funds opened new Affiliated Managers Group positions in Q1 2025 and 48 closed out, a net change of -10 holders.
- The largest Affiliated Managers Group buyer in Q1 2025 was Millennium Management, an estimated $167M added.
- The largest Affiliated Managers Group seller in Q1 2025 was Southeastern Asset Management, an estimated $38.8M sold.
Based on aggregated 13F filings for Q1 2025.