Acadian Asset Management Inc.

AAMI

Exchange: NYSE
Industry: Investment Advice
SEC CIK: 0001748824

SEC filings (opens in a new tab)

In the last 90 days, Acadian Asset Management Inc. insiders filed 0 open-market purchases and 1 sale; 302 institutions reported holding it in 13F filings for Q2 2026, worth $2.58B in total; Soros Fund Management is the only superinvestor holding it.

Q3 2025 vs. Q2 2025

How the institutions holding Acadian Asset Management Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025 All holders in Q2 2025

13F holders of AAMI: Q2 2025 compared with Q3 2025
Measure	Q2 2025	Of which not filed for Q3 2025	Q3 2025	Change
Holders	218	1	250	+33
Shares	35.8M	45	35.0M	−775.7K (−2.2%)
Value	$1.26B	$1.59K	$1.68B	+$423.4M (+33.6%)

1 institution that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (54)

Institutions that held Acadian Asset Management Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to AAMI in Q3 2025
Institution	Shares	Value	% of portfolio
Jacobs Levy Equity Management, Inc	416,498	$20.1M	0.08%
GW&K Investment Management, LLC	383,707	$18.5M	0.16%
Amundi	252,410	$11.4M	0.00%
Woodline Partners LP	70,982	$3.42M	0.02%
Nearwater Capital Markets, Ltd	60,000	$2.89M	0.04%
Trexquant Investment LP	45,977	$2.21M	0.02%
Zacks Investment Management	42,207	$2.03M	0.02%
Envestnet Asset Management Inc	42,186	$2.03M	0.00%
Squarepoint Ops LLC	38,380	$1.85M	0.00%
ExodusPoint Capital Management, LP	32,160	$1.55M	0.02%
Credit Agricole S A	30,479	$1.47M	0.00%
HRT Financial LP	26,521	$1.28M	0.00%
Integrated Quantitative Investments LLC	25,118	$1.21M	0.34%
SG Americas Securities, LLC	23,739	$1.14M	0.00%
Round Rock Advisors, LLC	22,778	$1.08M	0.17%
AXA Investment Managers S.A.	20,643	$994.2K	0.00%
Quadrature Capital Ltd	16,012	$771.0K	0.01%
Panagora Asset Management Inc	14,947	$719.8K	0.00%
MML Investors Services, LLC	12,853	$619.0K	0.00%
Voleon Capital Management LP	10,861	$523.1K	0.01%
Natixis Advisors, L.P.	10,068	$485.0K	0.00%
Weiss Asset Management LP	9,996	$481.4K	0.01%
Concurrent Investment Advisors, LLC	9,718	$468.0K	0.01%
Freestone Grove Partners LP	7,632	$367.6K	0.00%
Entropy Technologies, LP	7,298	$351.5K	0.03%
Cerity Partners LLC	7,250	$349.2K	0.00%
Mariner, LLC	6,546	$315.3K	0.00%
Los Angeles Capital Management LLC	6,504	$313.2K	0.00%
Navellier & Associates Inc	6,446	$310.4K	0.03%
DRW Securities, LLC	6,259	$303.6K	0.02%
Evergreen Capital Management LLC	5,755	$277.2K	0.01%
Aigen Investment Management, LP	5,546	$267.1K	0.04%
Mackenzie Financial Corp	5,425	$261.3K	0.00%
O'Shaughnessy Asset Management, LLC	5,287	$254.6K	0.00%
Gsa Capital Partners LLP	5,278	$254.0K	0.02%
Neuberger Berman Group LLC	5,044	$242.9K	0.00%
Guggenheim Capital LLC	4,862	$234.2K	0.00%
First Trust Advisors LP	4,807	$231.5K	0.00%
Scotia Capital Inc.	4,478	$215.7K	0.00%
Quadrant Capital Group LLC	1,337	$64.4K	0.00%
Principal Securities, Inc.	556	$26.8K	0.00%
Cullen/Frost Bankers, Inc.	451	$21.7K	0.00%
Rockefeller Capital Management L.P.	308	$14.8K	0.00%
Salomon & Ludwin, LLC	265	$12.3K	0.00%
Transamerica Financial Advisors, Inc.	167	$8.00K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	151	$7.00K	0.00%
Wealthspire Advisors, LLC	47	$2.26K	0.00%
First Horizon Corp	45	$2.17K	0.00%
Clearstead Advisors, LLC	39	$1.88K	0.00%
Accredited Investors Inc.	33	$1.59K	0.00%
Point72 Europe (London) LLP	26	$1.27K	0.00%
Abound Wealth Management	12	$578	0.00%
Turning Point Benefit Group, Inc.	6	$277	0.00%
Northwestern Mutual Wealth Management Co	3	$144	0.00%

Sold out (21)

Institutions that held Acadian Asset Management Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of AAMI in Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
Brandywine Global Investment Management, LLC	40,431	$1.42M
Lazard Asset Management LLC	40,330	$1.42M
SummerHaven Investment Management, LLC	35,404	$1.25M
Maverick Capital LtdSuperinvestorMaverick Capital	32,476	$1.14M
Aquatic Capital Management LLC	25,378	$894.3K
Nebula Research & Development LLC	22,121	$779.5K
AXA S.A.	20,609	$726.3K
STRS Ohio	19,300	$680.1K
Alps Advisors Inc	14,505	$511.2K
Marshall Wace, LLP	13,316	$469.3K
HighTower Advisors, LLC	8,376	$295.2K
Inceptionr LLC	7,999	$281.9K
Maryland State Retirement & Pension System	7,890	$278.0K
ISAM Funds (UK) Ltd	7,173	$252.8K
Diametric Capital, LP	7,017	$247.3K
Axq Capital, LP	6,218	$219.1K
Global Retirement Partners, LLC	2,000	$70.5K
Raymond James Financial Inc	1,741	$61.4K
Skopos Labs, Inc.	435	$15.3K
Twin Peaks Wealth Advisors, LLC	95	$4.54K
MAI Capital Management	62	$2.19K

Not filed for Q3 2025 yet (1)

Institutions that held Acadian Asset Management Inc. at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AAMI in Q2 2025 that haven't filed for Q3 2025
Institution	Shares, Q2 2025	Value, Q2 2025
First Horizon Advisors, Inc.	45	$1.59K