Acadian Asset Management Inc.

AAMINYSE

$96.16+1.99 (+2.11%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Acadian Asset Management Inc. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+113.6%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Paulson & Co. Inc.	16.40%	$418M	16.23%	Reduce 24.54%
BlackRock, Inc.	12.59%	$321M	0.00%	Not reported
Jennison Associates LLC	4.28%	$109M	0.07%	Reduce 24.51%
Invesco Ltd.	3.86%	$98.4M	0.01%	Not reported
Empyrean Capital Partners, LP	3.67%	$93.5M	3.09%	Not reported
State Street Corp	3.44%	$87.6M	0.00%	Not reported
Vanguard Capital Management LLC	3.30%	$84.1M	0.00%	Not reported
Geode Capital Management, LLC	2.72%	$69.4M	0.00%	Not reported
Dimensional Fund Advisors LP	2.56%	$65.2M	0.01%	Not reported
Woodline Partners LP	2.48%	$63.2M	0.20%	Not reported
Vanguard Portfolio Management LLC	2.28%	$58.2M	0.00%	Not reported
Driehaus Capital Management LLC	2.21%	$56.4M	0.33%	New Not reported
Avantyr Capital Partners, LP	2.16%	$54.9M	2.02%	New Not reported
Morgan Stanley	1.75%	$44.6M	0.00%	Not reported
Soros Fund Management LLC	1.71%	$43.6M	0.54%	Reduce 5.94%
Nuveen, LLC	1.69%	$43.1M	0.01%	Not reported
Federated Hermes, Inc.	1.61%	$41.1M	0.06%	Not reported
Two Sigma Investments, LP	1.47%	$37.5M	0.03%	Not reported
Azora Capital LP	1.39%	$35.5M	1.49%	Add 50.60%
Charles Schwab Investment Management Inc	1.13%	$28.8M	0.00%	Not reported
Systematic Alpha Investments, LLC	1.04%	$26.5M	0.71%	Not reported
GW&K Investment Management, LLC	1.04%	$26.4M	0.21%	Not reported
Impax Asset Management Group plc	0.98%	$25M	0.16%	Reduce 57.49%
Amundi	0.89%	$22.7M	0.01%	Not reported
Northern Trust Corp	0.85%	$21.7M	0.00%	Not reported
Boston Trust Walden Corp	0.75%	$19.2M	0.15%	Reduce 4.58%
AQR Capital Management LLC	0.71%	$18.2M	0.01%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	0.70%	$17.8M	0.03%	Add 1069.40%
Goldman Sachs Group Inc	0.69%	$17.5M	0.00%	Not reported
FMR LLC	0.65%	$16.5M	0.00%	Not reported
William Blair Investment Management, LLC	0.58%	$14.9M	0.04%	Reduce 21.21%
Bank of New York Mellon Corp	0.58%	$14.7M	0.00%	Not reported
Principal Financial Group Inc	0.55%	$14.1M	0.01%	Not reported
First Trust Advisors LP	0.55%	$13.9M	0.01%	Add 0.38%
UBS Group AG	0.54%	$13.9M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.54%	$13.6M	0.00%	Not reported
Allianz Asset Management GmbH	0.45%	$11.3M	0.01%	Not reported
Jacobs Levy Equity Management, Inc	0.43%	$10.9M	0.04%	Not reported
Jupiter Topco LLC	0.43%	$10.8M	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.42%	$10.7M	0.00%	Not reported
Bank of America Corp	0.37%	$9.53M	0.00%	Not reported
Jupiter Asset Management Ltd	0.37%	$9.42M	0.05%	Not reported
Public Sector Pension Investment Board	0.37%	$9.36M	0.02%	Reduce 11.17%
Universal- Beteiligungs- und Servicegesellschaft mbH	0.30%	$7.54M	0.01%	Not reported
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.29%	$7.4M	0.00%	Not reported
American Century Companies Inc	0.27%	$6.84M	0.00%	Not reported
Vident Advisory, LLC	0.26%	$6.64M	0.05%	Add 17.97%
SG Americas Securities, LLC	0.26%	$6.55M	0.00%	Not reported
North Reef Capital Management LP	0.24%	$6.19M	0.24%	Reduce 60.68%
Ghisallo Capital Management LLC	0.24%	$6.11M	0.12%	Not reported

50 of 283 holders

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