DOSSIER · 13F Holders · Q1 2026Financial Services · Investment Advice
AAMI

ACADIAN ASSET MANAGEMENT INC

272 institutions still hold ACADIAN ASSET MANAGEMENT INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 10948W103·Investment Advice·272 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1.4B
visible holders
Holders
272
filers reporting
Concentration
29.30%
PAULSON & CO. INC. #1
top holder share
AI Holders Summary · Q1 2026

272 institutions reported AAMI in Q1 2026. PAULSON & CO. INC. leads at 29.3% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
PAULSON & CO. INC.
CIK 0001035674
$421M7.7M13.54%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$249M4.6M0.00%Q1 2026
03
JENNISON ASSOCIATES LLC
CIK 0000053417
$90M1.9M0.05%Q4 2025
04
Empyrean Capital Partners, LP
CIK 0001317195
$71M1.3M2.32%Q1 2026
05
STATE STREET CORP
CIK 0000093751
$66M1.2M0.00%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$63M1.2M0.00%Q1 2026
07
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$49M905K0.01%Q1 2026
08
Vanguard Portfolio Management
CIK 0002100121· Index
$48M884K0.00%Q1 2026
09
Impax Asset Management Group plc
CIK 0001749768
$45M823K0.31%Q1 2026
10
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$41M748K0.00%Q1 2026
11
Woodline Partners LP
CIK 0001784547
$38M702K0.14%Q1 2026
12
SOROS FUND MANAGEMENT LLC
CIK 0001029160
$35M649K0.39%Q1 2026
13
SG Americas Securities, LLC
CIK 0001313360
$33M604K0.04%Q1 2026
14
Nuveen, LLC
CIK 0001871926
$32M588K0.01%Q1 2026
15
FEDERATED HERMES, INC.
CIK 0001056288
$31M568K0.05%Q1 2026
16
MORGAN STANLEY
CIK 0000895421
$29M538K0.00%Q1 2026
17
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$26M479K0.02%Q1 2026
18
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$25M453K0.00%Q1 2026
19
Allspring Global Investments Holdings, LLC
CIK 0001890906
$24M419K0.04%Q1 2026
20
Invesco Ltd.
CIK 0000914208
$22M413K0.00%Q1 2026
Page 1 of 14
252 more holders available. Log in →
Insiders at ACADIAN ASSET MANAGEMENT INC
Paulson & Co. Inc.Trebbi BarbaraPaulson JohnChersi Robert JHart Richard JonathanWiater ChristinaAmerican Ammunition Inc/FlFernandez Andres