Who Owns Acadian Asset Management (AAMI)?Hedge Fund & Institutional Holders

$50.41+0.12 (+0.24%)Financial ServicesNYSE

Institutional Holders

50

as of Q4 2025

Total Institutional Value

$InfinityT

% of Float Held

2.2093602725585037e+278%

QoQ Change in Holders

+9 / -2

Price History

$22.96$31.33$39.70$48.06$56.43Jan 25Aug 25Mar 26

AAMI — Biggest New Institutional Buyers This Quarter

FundActionShares AddedValue Added
JENNISON ASSOCIATES LLCNew Position+1.9M+$89.7B
Impax Asset Management Group plcNew Position+845K+$39.7B
FEDERATED HERMES, INC.New Position+558K+$25.0B
Woodline Partners LPIncreased+488K+$22.6B
SOROS FUND MANAGEMENT LLCIncreased+280K+$12.6B
PRINCIPAL FINANCIAL GROUP INCNew Position+180K+$8.4B
FMR LLCIncreased+32K+$8.0B
FIRST TRUST ADVISORS LPIncreased+165K+$6.8B
Allianz Asset Management GmbHNew Position+107K+$4.0B
BANK OF AMERICA CORP /DE/Increased+18K+$4.0B
TEACHER RETIREMENT SYSTEM OF TEXASNew Position+62K+$2.9B
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNew Position+58K+$2.0B
Linden Thomas Advisory Services, LLCNew Position+30K+$1.4B
Universal- Beteiligungs- und Servicegesellschaft mbHNew Position+28K+$1.3B
CITADEL ADVISORS LLCIncreased+39K+$920.0M

AAMI — Institutions Reducing or Closing Positions

FundActionShares SoldValue Sold
North Reef Capital Management LPDecreased-68K-$24.6B
AmundiClosed Position-252K-$11.4B
TUDOR INVESTMENT CORP ET ALDecreased-124K-$10.9B
Empyrean Capital Partners, LPDecreased-137K-$8.2B
JANE STREET GROUP, LLCClosed Position-153K-$7.4B
DEUTSCHE BANK AG\Decreased-131K-$6.4B
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPDecreased-105K-$5.8B
MILLENNIUM MANAGEMENT LLCDecreased-113K-$5.7B
EJF Capital LPDecreased-111K-$5.3B
DIMENSIONAL FUND ADVISORS LPDecreased-44K-$4.9B
UBS Group AGDecreased-81K-$4.0B
VOLORIDGE INVESTMENT MANAGEMENT, LLCDecreased-58K-$3.8B
JANUS HENDERSON GROUP PLCDecreased-52K-$3.1B
TWO SIGMA ADVISERS, LPDecreased-35K-$2.9B
NORTHERN TRUST CORPDecreased-9K-$2.9B

Top Institutional Holders(Q4 2025)

#FundSharesValue% of PortfolioType
1PAULSON & CO. INC.7,743,282$363.9B11.16%Share
2JENNISON ASSOCIATES LLC1,485,087$69.8B41.90%Share
3Empyrean Capital Partners, LP1,404,562$66.0B2.30%Share
4DIMENSIONAL FUND ADVISORS LP856,635$40.0B8.39%Share
5Impax Asset Management Group plc845,451$39.7B248.59%Share
6SOROS FUND MANAGEMENT LLC737,367$34.7B401.53%Share
7Woodline Partners LP559,091$26.0B100.74%Share
8FEDERATED HERMES, INC.549,468$25.0B41.77%Share
9ARROWSTREET CAPITAL, LIMITED PARTNERSHIP514,463$24.0B14.06%Share
10CHARLES SCHWAB INVESTMENT MANAGEMENT INC480,306$22.0B3.42%Share
11JENNISON ASSOCIATES LLC424,135$19.9B11.97%Share
12JACOBS LEVY EQUITY MANAGEMENT, INC419,346$19.0B73.37%Share
13Invesco Ltd.399,648$18.8B2.88%Share
14Nuveen, LLC397,758$18.0B4.71%Share
15Systematic Alpha Investments, LLC370,108$17.4B0.54%Share
16TWO SIGMA INVESTMENTS, LP283,488$13.0B18.34%Share
17TWO SIGMA ADVISERS, LP274,475$12.0B23.33%Share
18WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC255,086$12.0B33.44%Share
19NORTHERN TRUST CORP235,247$11.0B1.40%Share
20Nuveen, LLC233,185$10.0B2.62%Share
21PRINCIPAL FINANCIAL GROUP INC178,056$8.4B4.27%Share
22FMR LLC178,629$8.0B0.41%Share
23FIRST TRUST ADVISORS LP169,315$7.0B5.09%Share
24GOLDMAN SACHS GROUP INC131,930$6.0B0.74%Share
25Man Group plc138,180$6.0B10.20%Share
26JUPITER ASSET MANAGEMENT LTD109,796$5.2B41.30%Share
27BRIGHTLIGHT CAPITAL MANAGEMENT LP107,900$5.1B3.61%Share
28D. E. Shaw & Co., Inc.115,086$5.0B2.74%Share
29PUBLIC SECTOR PENSION INVESTMENT BOARD123,049$5.0B16.79%Share
30RENAISSANCE TECHNOLOGIES LLC98,328$4.0B6.21%Share
31MILLENNIUM MANAGEMENT LLC88,936$4.0B1.68%Share
32AQR CAPITAL MANAGEMENT LLC91,577$4.0B2.10%Share
33CITADEL ADVISORS LLC102,471$4.0B0.60%Share
34Allianz Asset Management GmbH105,589$4.0B4.05%Share
35UBS Group AG82,855$3.9B0.63%Share
36AMERIPRISE FINANCIAL INC71,396$3.0B0.68%Share
37GOLDMAN SACHS GROUP INC77,166$3.0B0.37%Share
38VICTORY CAPITAL MANAGEMENT INC69,481$3.0B1.69%Share
39JPMORGAN CHASE & CO77,250$3.0B0.19%Share
40RHUMBLINE ADVISERS74,893$3.0B2.43%Share
41AMERICAN CENTURY COMPANIES INC77,292$3.0B1.51%Share
42TEACHER RETIREMENT SYSTEM OF TEXAS62,439$2.9B10.15%Share
43HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND57,770$2.0B3.35%Share
44BANK OF AMERICA CORP /DE/43,155$2.0B0.15%Share
45BANK OF AMERICA CORP /DE/53,806$2.0B0.15%Share
46Nearwater Capital Markets, Ltd60,000$2.0B34.21%Share
47Swiss National Bank56,526$2.0B1.19%Share
48ExodusPoint Capital Management, LP51,201$2.0B15.69%Share
49JPMORGAN CHASE & CO50,937$2.0B0.13%Share
50Boston Partners55,124$2.0B2.07%Share

AAMI Institutional Ownership History

QuarterHoldersTotal ValueChange
Q4 2025253$1.0T+64
Q3 2025189$973.3B+2
Q2 2025187$804.9B-3
Q1 2025190$810.1B+21
Q4 2024169$974.0B+23
Q3 2024146$40.8T+4
Q2 2024142$39.6T+2
Q1 2024140$289.0T—

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As of Q4 2025, 50 institutional investors hold AAMI (Acadian Asset Management). The largest holder is PAULSON & CO. INC. with $363.9B in shares. This quarter, 9 institutions opened new positions and 2 closed their positions.

Frequently Asked Questions

How many hedge funds own AAMI?

As of Q4 2025, 50 institutional investors report holding AAMI (Acadian Asset Management) in their 13F filings.

Who is the largest institutional holder of AAMI?

The largest institutional holder of AAMI is PAULSON & CO. INC. with $363.9B in shares.

Is institutional ownership of AAMI increasing or decreasing?

This quarter, 9 institutions opened new positions in AAMI and 2 closed their positions.