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.

Q4 2025 vs. Q3 2025

How the institutions holding Acadian Asset Management Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of AAMI: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	250	5	256	+11
Shares	35.0M	73.2K	35.4M	+505.4K (+1.4%)
Value	$1.68B	$3.52M	$1.67B	−$15.1M (−0.9%)

5 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (36)

Institutions that held Acadian Asset Management Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to AAMI in Q4 2025
Institution	Shares	Value	% of portfolio
Norges Bank	120,700	$5.67M	0.00%
Spears Abacus Advisors LLC	59,197	$2.78M	0.05%
Healthcare of Ontario Pension Plan Trust Fund	57,770	$2.72M	0.00%
Summit Global Investments	21,320	$1.00M	0.06%
STRS Ohio	15,700	$737.9K	0.00%
Y-Intercept (Hong Kong) Ltd	13,451	$632.2K	0.01%
Mangrove Partners	8,790	$413.1K	0.03%
Abacus Wealth Partners, LLC	6,499	$305.4K	0.03%
Truist Financial Corp	6,432	$302.3K	0.00%
VARCOV Co.	6,401	$300.8K	0.12%
EntryPoint Capital, LLC	6,097	$286.6K	0.11%
JMN Financial LLC	5,687	$267.3K	0.27%
Jump Financial, LLC	5,206	$244.7K	0.00%
Point72 Asset Management, L.P.	4,948	$232.6K	0.00%
Canada Pension Plan Investment Board	4,800	$225.6K	0.00%
Swiss Life Asset Management Ltd	4,732	$222.4K	0.00%
Axq Capital, LP	4,334	$203.7K	0.05%
Kestra Advisory Services, LLC	2,524	$118.6K	0.00%
Signature Equity Partners, LLC	1,051	$49.4K	0.03%
Group One Trading, L.P.	632	$29.7K	0.00%
Pinnacle Wealth Planning Services, Inc.	571	$26.8K	0.00%
DV Trading LLC	200	$9.40K	0.00%
Evolution Wealth Management Inc.	92	$4.32K	0.00%
Sound Income Strategies, LLC	63	$3.43K	0.00%
Torren Management, LLC	40	$1.88K	0.00%
Optima Capital LLC	33	$1.55K	0.00%
SageView Advisory Group, LLC	30	$1.41K	0.00%
Cornerstone Financial Management LLC	16	$752	0.00%
National Bank of Canada	13	$611	0.00%
Ankerstar Wealth, LLC	13	$611	0.00%
Rossby Financial, LCC	10	$470	0.00%
Global Retirement Partners, LLC	9	$423	0.00%
Flagship Harbor Advisors, LLC	7	$329	0.00%
SJS Investment Consulting Inc.	2	$94	0.00%
Gilpin Wealth Management, LLC	2	$94	0.00%
MAI Capital Management	1	$47	0.00%

Sold out (25)

Institutions that held Acadian Asset Management Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of AAMI in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Amundi	252,410	$11.4M
Jane Street Group, LLC	153,464	$7.39M
EAM Investors, LLC	99,149	$4.70M
Prelude Capital Management, LLC	51,179	$2.46M
Integrated Quantitative Investments LLC	25,118	$1.21M
Winton Group Ltd	25,057	$1.21M
Round Rock Advisors, LLC	22,778	$1.08M
Quadrature Capital Ltd	16,012	$771.0K
Weiss Asset Management LP	9,996	$481.4K
Connor, Clark & Lunn Investment Management Ltd.	9,613	$463.0K
Magnetar Financial LLC	7,659	$368.9K
Freestone Grove Partners LP	7,632	$367.6K
Entropy Technologies, LP	7,298	$351.5K
Navellier & Associates Inc	6,446	$310.4K
DRW Securities, LLC	6,259	$303.6K
Aigen Investment Management, LP	5,546	$267.1K
O'Shaughnessy Asset Management, LLC	5,287	$254.6K
Gsa Capital Partners LLP	5,278	$254.0K
R Squared Ltd	4,731	$227.8K
Scotia Capital Inc.	4,478	$215.7K
Principal Securities, Inc.	556	$26.8K
Simplex Trading, LLC	352	$16.0K
Wealthspire Advisors, LLC	47	$2.26K
Accredited Investors Inc.	33	$1.59K
Atlantic Trust, LLC	32	$1.54K

Not filed for Q4 2025 yet (5)

Institutions that held Acadian Asset Management Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding AAMI in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cubist Systematic Strategies, LLC	48,025	$2.31M
AXA Investment Managers S.A.	20,643	$994.2K
Point72 (DIFC) Ltd	2,945	$141.8K
Shell Asset Management Co	1,521	$73.0K
Point72 Europe (London) LLP	26	$1.27K