ACI WORLDWIDE, INC.

ACIWNASDAQ

$51.22+1.07 (+2.13%)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

ACI WORLDWIDE, INC. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-4.4%). 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
BlackRock, Inc.	16.18%	$824M	0.01%	Not reported
Vanguard Portfolio Management LLC	8.01%	$408M	0.02%	Not reported
FMR LLC	6.47%	$329M	0.01%	Not reported
Vanguard Capital Management LLC	4.53%	$231M	0.00%	Not reported
State Street Corp	4.24%	$216M	0.01%	Not reported
Geode Capital Management, LLC	3.36%	$171M	0.01%	Not reported
Dimensional Fund Advisors LP	3.12%	$159M	0.03%	Not reported
Fuller & Thaler Asset Management, Inc.	2.70%	$137M	0.37%	Not reported
North Reef Capital Management LP	2.59%	$132M	5.05%	Add 17.35%
Reinhart Partners, LLC.	2.39%	$122M	2.78%	Add 8.48%
Hood River Capital Management LLC	2.30%	$117M	0.85%	Reduce 2.57%
Alliancebernstein L.P.	2.30%	$95.5M	0.03%	Not reported
Morgan Stanley	2.08%	$106M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	1.74%	$88.5M	0.04%	Not reported
London Co of Virginia	1.58%	$80.2M	0.46%	Reduce 5.14%
Congress Asset Management Co	1.57%	$80.1M	0.49%	Reduce 13.17%
Charles Schwab Investment Management Inc	1.33%	$67.5M	0.01%	Not reported
Norges Bank	1.29%	$65.8M	0.01%	Not reported
Northern Trust Corp	1.26%	$63.9M	0.01%	Not reported
Rice Hall James & Associates, LLC	0.99%	$50.6M	2.46%	Add 0.32%
Nomura Asset Management International Inc.	0.95%	$48.4M	0.07%	Reduce 3.81%
Massachusetts Financial Services Co	0.77%	$39.1M	0.01%	Reduce 10.60%
Goldman Sachs Group Inc	0.74%	$37.4M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.72%	$36.7M	0.01%	Not reported
Voya Investment Management LLC	0.72%	$36.5M	0.03%	Not reported
Bank of New York Mellon Corp	0.63%	$31.9M	0.01%	Not reported
AQR Capital Management LLC	0.61%	$30.6M	0.01%	Not reported
Principal Financial Group Inc	0.59%	$30.1M	0.01%	Not reported
Sei Investments Co	0.58%	$29.5M	0.03%	Not reported
North Star Asset Management Inc	0.57%	$29.1M	1.15%	Reduce 1.65%
Nuveen, LLC	0.57%	$29.1M	0.01%	Not reported
Aristotle Capital Boston, LLC	0.55%	$27.8M	1.86%	Reduce 16.48%
Bank of America Corp	0.54%	$27.4M	0.00%	Not reported
Invesco Ltd.	0.53%	$27M	0.00%	Not reported
MetLife Investment Management, LLC	0.52%	$26.7M	0.12%	Not reported
Swedbank AB	0.44%	$22.3M	0.02%	Reduce 4.31%
Segall Bryant & Hamill, LLC	0.44%	$22.2M	0.26%	Add 11.60%
Citadel Advisors LLC	0.44%	$22.2M	0.00%	Not reported
Victory Capital Management Inc	0.43%	$22.1M	0.01%	Not reported
Envestnet Asset Management Inc	0.42%	$21.5M	0.01%	Not reported
UBS Group AG	0.42%	$21.4M	0.00%	Not reported
Van Lanschot Kempen Investment Management N.V.	0.39%	$19.8M	0.15%	Not reported
Public Employees Retirement Association of Colorado	0.38%	$19.5M	0.07%	Reduce 0.16%
Weitz Investment Management, Inc.	0.36%	$18.5M	1.28%	Not reported
Value Holdings Management Co. LLC	0.36%	$18.2M	3.03%	Not reported
Public Sector Pension Investment Board	0.35%	$17.6M	0.05%	Reduce 12.13%
WCM Investment Management, LLC	0.34%	$17.2M	0.03%	Reduce 32.88%
Jupiter Topco LLC	0.33%	$16.9M	0.01%	Not reported
Palisade Capital Management, LP	0.33%	$16.8M	0.73%	Reduce 52.87%
New York State Common Retirement Fund	0.33%	$16.6M	0.02%	Not reported

50 of 350 holders

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