We are live on ! Find out more
AAMI

Acadian Asset Management

218 hedge funds and large institutions have $1.26B invested in Acadian Asset Management in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 66 increasing their positions, 80 reducing their positions, and 18 closing their positions.

New
Increased
Maintained
Reduced
Closed

300% more funds holding in top 10

Funds holding in top 10: 14 (+3)

156% more first-time investments, than exits

New positions opened: 46 | Existing positions closed: 18

36% more capital invested

Capital invested by funds: $930M → $1.26B (+$331M)

14% more funds holding

Funds holding: 191218 (+27)

4.14% more ownership

Funds ownership: 95.85%99.98% (+4.1%)

18% less repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 80

60% less call options, than puts

Call options by funds: $14K | Put options by funds: $35K

Holders
218
Holders Change
+27
Holders Change %
+14.14%
% of All Funds
2.87%
Holding in Top 10
4
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+300%
% of All Funds
0.05%
New
46
Increased
66
Reduced
80
Closed
18
Calls
$14K
Puts
$35K
Net Calls
-$21K
Net Calls Change
-$158K
Name Holding Trade Value Shares
Change
Change in
Stake
ORG
126
Optimist Retirement Group
Washington
$391K +$21.7K +745 +7%
TRSOTSOK
127
Teachers Retirement System of the State of Kentucky
Kentucky
$379K
Universal-Beteiligungs- und Servicegesellschaft
128
Universal-Beteiligungs- und Servicegesellschaft
Germany
$360K -$750K -25,784 -72%
YCM
129
Yousif Capital Management
Michigan
$360K -$7.3K -251 -2%
Manulife (Manufacturers Life Insurance)
130
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$360K +$20.4K +703 +7%
KCM
131
Kendall Capital Management
Maryland
$357K +$294K +10,130 New
MF
132
Magnetar Financial
Illinois
$327K +$270K +9,288 New
PP
133
PDT Partners
New York
$320K -$954K -32,821 -78%
State of Wisconsin Investment Board
134
State of Wisconsin Investment Board
Wisconsin
$312K -$788K -27,101 -75%
Zurich Cantonal Bank
135
Zurich Cantonal Bank
Switzerland
$310K
IFWM
136
Institute for Wealth Management
Colorado
$302K +$249K +8,577 New
New York State Common Retirement Fund
137
New York State Common Retirement Fund
New York
$299K
AB
138
ANB Bank
Colorado
$297K +$245K +8,425 New
HighTower Advisors
139
HighTower Advisors
Illinois
$295K -$1.98K -68 -0.8%
ASRS
140
Arizona State Retirement System
Arizona
$286K -$13.1K -451 -5%
I
141
InceptionR
California
$282K +$233K +7,999 New
MSRPS
142
Maryland State Retirement & Pension System
Maryland
$278K -$8.05K -277 -3%
AB
143
Amalgamated Bank
New York
$270K -$8.89K -306 -4%
Lido Advisors
144
Lido Advisors
California
$270K +$222K +7,648 New
IFU
145
iSAM Funds (UK)
United Kingdom
$253K +$209K +7,173 New
BHCM
146
Brevan Howard Capital Management
Jersey
$249K +$205K +7,065 New
DC
147
Diametric Capital
Massachusetts
$247K +$204K +7,017 New
COPPSERS
148
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$243K +$200K +6,893 New
Bank of Montreal
149
Bank of Montreal
Ontario, Canada
$240K +$198K +6,824 New
PFSRSONJ
150
Police & Firemen's Retirement System of New Jersey
New Jersey
$236K

AAMI Hedge Fund Activity: Q2 2025 in Review

218 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Acadian Asset Management (AAMI) for Q2 2025, worth a combined $1.26B — up 36% from $930M a quarter earlier.

Buyers outnumbered sellers: 46 funds opened new AAMI positions and 18 closed out — a net gain of 28 holders — while 66 added to existing stakes and 80 trimmed.

The largest buyer was Jennison Associates, adding an estimated $20.9M. The largest seller was William Blair Investment Management, cutting an estimated $12.5M.

  • 218 institutional investors held Acadian Asset Management (AAMI) as of Q2 2025, up from 191 in Q1 2025.
  • Funds reported $1.26B of Acadian Asset Management stock for Q2 2025, up 36% quarter-over-quarter.
  • 46 funds opened new Acadian Asset Management positions in Q2 2025 and 18 closed out, a net change of +28 holders.
  • The largest Acadian Asset Management buyer in Q2 2025 was Jennison Associates, an estimated $20.9M added.
  • The largest Acadian Asset Management seller in Q2 2025 was William Blair Investment Management, an estimated $12.5M sold.

Based on aggregated 13F filings for Q2 2025.