AAMI

Acadian Asset Management

255 hedge funds and large institutions have $1.67B invested in Acadian Asset Management in 2025 Q4 according to their latest regulatory filings, with 35 funds opening new positions, 90 increasing their positions, 99 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

less capital invested

Capital invested by funds: $ → $

9% less repeat investments, than reductions

Existing positions increased: 90 | Existing positions reduced: 99

50% less funds holding in top 10

Funds holding in top 10: 42 (-2)

100% less call options, than puts

Call options by funds: $0 | Put options by funds: $5K

Holders
255
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
Puts
$5K
Net Calls
Net Calls Change

Top Buyers

1 +$22.5M
2 +$15.5M
3 +$12.9M
4
Federated Hermes
Federated Hermes
Pennsylvania
+$9.94M
5
Jennison Associates
Jennison Associates
New York
+$8.27M
Name Holding Trade Value Shares
Change
Change in
Stake
A
126
AlphaQuest
New York
$514K
New York State Teachers Retirement System (NYSTRS)
127
New York State Teachers Retirement System (NYSTRS)
New York
$506K
Envestnet Portfolio Solutions
128
Envestnet Portfolio Solutions
Illinois
$504K
Zurich Cantonal Bank
129
Zurich Cantonal Bank
Switzerland
$500K
BHCM
130
Brevan Howard Capital Management
Jersey
$461K
TI
131
Trexquant Investment
Connecticut
$447K
SOW
132
State of Wyoming
Wyoming
$436K
Susquehanna International Group
133
Susquehanna International Group
Pennsylvania
$433K
ORG
134
Optimist Retirement Group
Washington
$431K
Lido Advisors
135
Lido Advisors
California
$427K
MP
136
Mangrove Partners
Connecticut
$413K
BNP Paribas Asset Management
137
BNP Paribas Asset Management
France
$403K
Mariner
138
Mariner
Kansas
$399K
New York State Common Retirement Fund
139
New York State Common Retirement Fund
New York
$398K
ASN
140
Advisory Services Network
Georgia
$394K
YCM
141
Yousif Capital Management
Michigan
$386K
AB
142
ANB Bank
Colorado
$384K
Bank of Montreal
143
Bank of Montreal
Ontario, Canada
$381K
ASRS
144
Arizona State Retirement System
Arizona
$373K
QT
145
Quantbot Technologies
New York
$371K
PCM
146
Polymer Capital Management
New York
$370K
AB
147
Amalgamated Bank
New York
$362K
Verition Fund Management
148
Verition Fund Management
Connecticut
$352K
State of Tennessee, Department of Treasury
149
State of Tennessee, Department of Treasury
Tennessee
$336K
PFSRSONJ
150
Police & Firemen's Retirement System of New Jersey
New Jersey
$328K