Acadian Asset Management
AAMI
251 hedge funds and large institutions have $1.68B invested in Acadian Asset Management in 2025 Q3 according to their latest regulatory filings, with 55 funds opening new positions, 85 increasing their positions, 88 reducing their positions, and 21 closing their positions.
1,703% more call options, than puts
Call options by funds: $5.37M | Put options by funds: $298K
162% more first-time investments, than exits
New positions opened: 55 | Existing positions closed: 21
34% more capital invested
Capital invested by funds: $1.26B → $1.68B (+$423M)
15% more funds holding
Funds holding: 218 → 251 (+33)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
3% less repeat investments, than reductions
Existing positions increased: 85 | Existing positions reduced: 88
2.21% less ownership
Funds ownership: 99.98% → 97.77% (-2.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
+$18.6M |
| 2 |
GKIM
GW&K Investment Management
Boston,
Massachusetts
|
+$17.1M |
| 3 |
Amundi
Paris,
France
|
+$11.3M |
| 4 |
Millennium Management
New York
|
+$8.38M |
| 5 |
Invesco
Atlanta,
Georgia
|
+$7.85M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PC
Paulson & Co
New York
|
-$53.8M |
| 2 |
William Blair Investment Management
Chicago,
Illinois
|
-$19.2M |
| 3 |
Jennison Associates
New York
|
-$16.1M |
| 4 |
ECP
Empyrean Capital Partners
Los Angeles,
California
|
-$15.1M |
| 5 |
BlackRock
New York
|
-$14.8M |
AAMI Hedge Fund Activity: Q3 2025 in Review
251 of the 7,641 institutional investors tracked by Wall St. Rank reported a position in Acadian Asset Management (AAMI) for Q3 2025, worth a combined $1.68B — up 34% from $1.26B a quarter earlier.
Buyers outnumbered sellers: 55 funds opened new AAMI positions and 21 closed out — a net gain of 34 holders — while 85 added to existing stakes and 88 trimmed.
The largest buyer was Jacobs Levy Equity Management, opening a new position worth an estimated $18.6M. The largest seller was Paulson & Co, cutting an estimated $53.8M.
- 251 institutional investors held Acadian Asset Management (AAMI) as of Q3 2025, up from 218 in Q2 2025.
- Funds reported $1.68B of Acadian Asset Management stock for Q3 2025, up 34% quarter-over-quarter.
- 55 funds opened new Acadian Asset Management positions in Q3 2025 and 21 closed out, a net change of +34 holders.
- The largest Acadian Asset Management buyer in Q3 2025 was Jacobs Levy Equity Management, an estimated $18.6M added.
- The largest Acadian Asset Management seller in Q3 2025 was Paulson & Co, an estimated $53.8M sold.
Based on aggregated 13F filings for Q3 2025.