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AAMI

Acadian Asset Management

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: 23 (+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: 257257 (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
Name Holding Trade Value Shares
Change
Change in
Stake
PC
1
Paulson & Co
New York
$421M
BlackRock
2
BlackRock
New York
$249M -$4.27M -81,121 -2%
Jennison Associates
3
Jennison Associates
New York
$110M +$5.95M +112,985 +6%
ECP
4
Empyrean Capital Partners
California
$71.2M -$5.07M -96,372 -7%
State Street
5
State Street
Massachusetts
$65.8M +$168K +3,196 +0.3%
VCM
6
Vanguard Capital Management
Pennsylvania
$63.1M +$61M +1,158,887 New
Dimensional Fund Advisors
7
Dimensional Fund Advisors
Texas
$49.2M -$246K -4,664 -0.5%
VPM
8
Vanguard Portfolio Management
Pennsylvania
$48.1M +$46.5M +883,909 New
Impax Asset Management Group
9
Impax Asset Management Group
United Kingdom
$44.8M -$1.17M -22,128 -3%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$40.7M +$3.29M +62,550 +9%
WP
11
Woodline Partners
California
$38.2M +$7.51M +142,629 +26%
SFM
12
Soros Fund Management
New York
$35.3M -$4.66M -88,560 -12%
SG Americas Securities
13
SG Americas Securities
New York
$32.9M +$12.9M +244,070 +68%
N
14
Nuveen
North Carolina
$32M -$3.35M -63,680 -10%
Federated Hermes
15
Federated Hermes
Pennsylvania
$30.9M +$529K +10,053 +2%
Morgan Stanley
16
Morgan Stanley
New York
$29.3M +$270K +5,128 +1%
Two Sigma Investments
17
Two Sigma Investments
New York
$26.1M +$10.3M +195,326 +69%
Charles Schwab
18
Charles Schwab
California
$24.7M -$1.42M -26,986 -6%
Allspring Global Investments
19
Allspring Global Investments
North Carolina
$23.6M +$2.69M +51,075 +14%
Invesco
20
Invesco
Georgia
$22.5M -$416K -7,904 -2%
GKIM
21
GW&K Investment Management
Massachusetts
$20.5M -$1.95M -37,116 -9%
SAI
22
Systematic Alpha Investments
New Jersey
$20.1M
ACL
23
Azora Capital LP
Florida
$17.9M +$17.3M +329,349 New
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$17.3M -$5.33M -101,215 -24%
BTW
25
Boston Trust Walden
Massachusetts
$15.3M +$14.8M +281,604 New

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.