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AAMI

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.

New
Increased
Maintained
Reduced
Closed

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

Holders
257
Holders Change
–
Holders Change %
0%
% of All Funds
3.16%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
38
Increased
89
Reduced
88
Closed
34
Calls
–
Puts
$201K
Net Calls
-$201K
Net Calls Change
-$196K

Top Buyers

1
ACL
Azora Capital LP
Florida
+$17.3M
2
BTW
Boston Trust Walden
Massachusetts
+$14.8M
3
SG Americas Securities
SG Americas Securities
New York
+$12.9M
4
Two Sigma Investments
Two Sigma Investments
New York
+$10.3M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$9.63M

Top Sellers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
-$14.4M
2
NRCM
North Reef Capital Management
California
-$11.8M
3
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$5.33M
4
ECP
Empyrean Capital Partners
California
-$5.07M
5
Tudor Investment Corp
Tudor Investment Corp
Connecticut
-$4.75M
Name Holding Trade Value Shares
Change 		Change in
Stake
US Bancorp
201
US Bancorp
Minnesota
$35.2K +$685 +13 +2%
PWPS
202
Pinnacle Wealth Planning Services
Ohio
$32.7K +$1.53K +29 +5%
CFB
203
Cullen/Frost Bankers
Texas
$32.6K +$1.32K +25 +4%
BTI
204
Blue Trust Inc
Georgia
$30.1K +$5.37K +102 +23%
SAM
205
Smartleaf Asset Management
Massachusetts
$28.9K -$13.2K -251 -31%
MCM
206
MAI Capital Management
Ohio
$25.4K +$24.5K +466 +46,600%
Rockefeller Capital Management
207
Rockefeller Capital Management
New York
$24.9K +$17.1K +325 +244%
Fifth Third Bancorp
208
Fifth Third Bancorp
Ohio
$23.7K +$3.84K +73 +20%
AF
209
Allworth Financial
California
$23.5K +$8.95K +170 +65%
FFA
210
Farther Finance Advisors
California
$22.6K +$2.37K +45 +13%
AAP
211
Arax Advisory Partners
Colorado
$21.3K +$14.4K +273 +607%
Nisa Investment Advisors
212
Nisa Investment Advisors
Missouri
$17.8K +$2.05K +39 +14%
Bessemer Group
213
Bessemer Group
New Jersey
$16K – – –
LFG
214
Larson Financial Group
Missouri
$11.5K – – –
SL
215
Salomon & Ludwin
Virginia
$11.2K – – –
Group One Trading
216
Group One Trading
Illinois
$9.9K -$23.7K -450 -71%
SCM
217
Sterling Capital Management
North Carolina
$9.47K -$211 -4 -2%
UB
218
UMB Bank
Missouri
$7.73K +$211 +4 +3%
RIL
219
Rothschild Investment LLC
Illinois
$7.51K +$2.21K +42 +44%
EP
220
Essential Partners
California
$6.75K – – –
VCM
221
Versant Capital Management
Arizona
$5.99K – – –
IA
222
IFP Advisors
Florida
$5.28K -$53 -1 -1%
PA
223
Parallel Advisors
California
$5.22K +$2K +38 +66%
Los Angeles Capital Management
224
Los Angeles Capital Management
California
$5.01K -$330K -6,260 -99%
EWM
225
Evolution Wealth Management
Florida
$5.01K – – –
7 8
9
10 11

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.