Acadian Asset Management
AAMI
257 hedge funds and large institutions have $1.96B invested in Acadian Asset Management in 2026 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 89 increasing their positions, 88 reducing their positions, and 34 closing their positions.
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
17% more capital invested
Capital invested by funds: $1.67B → $1.96B (+$290M)
12% more first-time investments, than exits
New positions opened: 38 | Existing positions closed: 34
1.37% more ownership
Funds ownership: 99.26% → 100.64% (+1.4%)
1% more repeat investments, than reductions
Existing positions increased: 89 | Existing positions reduced: 88
0% more funds holding
Funds holding: 257 → 257 (0)
100% less call options, than puts
Call options by funds: $0 | Put options by funds: $201K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACL
Azora Capital LP
Miami,
Florida
|
+$17.3M |
| 2 |
BTW
Boston Trust Walden
Boston,
Massachusetts
|
+$14.8M |
| 3 |
SG Americas Securities
New York
|
+$12.9M |
| 4 |
Two Sigma Investments
New York
|
+$10.3M |
| 5 |
Janus Henderson Group
London,
United Kingdom
|
+$9.63M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Arrowstreet Capital
Boston,
Massachusetts
|
-$14.4M |
| 2 |
NRCM
North Reef Capital Management
Laguna Beach,
California
|
-$11.8M |
| 3 |
Jacobs Levy Equity Management
Florham Park,
New Jersey
|
-$5.33M |
| 4 |
ECP
Empyrean Capital Partners
Los Angeles,
California
|
-$5.07M |
| 5 |
Tudor Investment Corp
Stamford,
Connecticut
|
-$4.75M |
AAMI Hedge Fund Activity: Q1 2026 in Review
257 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Acadian Asset Management (AAMI) for Q1 2026, worth a combined $1.96B — up 17% from $1.67B a quarter earlier.
Buyers outnumbered sellers: 38 funds opened new AAMI positions and 34 closed out — a net gain of 4 holders — while 89 added to existing stakes and 88 trimmed.
The largest buyer was Azora Capital LP, opening a new position worth an estimated $17.3M. The largest seller was Arrowstreet Capital, cutting an estimated $14.4M.
- 257 institutional investors held Acadian Asset Management (AAMI) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $1.96B of Acadian Asset Management stock for Q1 2026, up 17% quarter-over-quarter.
- 38 funds opened new Acadian Asset Management positions in Q1 2026 and 34 closed out, a net change of +4 holders.
- The largest Acadian Asset Management buyer in Q1 2026 was Azora Capital LP, an estimated $17.3M added.
- The largest Acadian Asset Management seller in Q1 2026 was Arrowstreet Capital, an estimated $14.4M sold.
Based on aggregated 13F filings for Q1 2026.