ACI Worldwide Ownership | Who Owns ACI Worldwide?

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ACI Worldwide Ownership Summary

ACI Worldwide is owned by 97.30% institutional investors, 1.00% insiders, and 1.70% retail investors. Blackrock is the largest institutional shareholder, holding 17.10% of ACIW shares. iShares Core S&P Small-Cap ETF is the top mutual fund, with 6.06% of its assets in ACI Worldwide shares.

ACIW Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ACI Worldwide	97.30%	1.00%	1.70%
Sector	Technology Stocks	48.26%	12.54%	39.20%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	18.26M	17.10%	$722.91M
Blackrock funding, inc. /de	17.34M	16.61%	$795.86M
Vanguard group	13.86M	13.23%	$719.65M
State street	4.54M	4.33%	$235.62M
Franklin resources	4.50M	4.30%	$233.71M
Dimensional fund advisors lp	3.41M	3.26%	$177.19M
Hood river capital management	3.37M	3.22%	$154.54M
Geode capital management	2.96M	2.83%	$154.10M
North reef capital management lp	2.14M	2.04%	$111.14M
Morgan stanley	2.09M	1.96%	$82.82M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
North reef capital management lp	2.14M	4.99%	$111.14M
Reinhart partners	1.41M	2.81%	$73.05M
Value management	332.90K	2.70%	$15.28M
Global alpha capital management	939.77K	2.69%	$43.14M
Kopion asset management	80.87K	2.50%	$3.71M
Cardinal capital management llc /ct	208.39K	2.26%	$8.25M
Rice hall james & associates	900.43K	2.23%	$41.34M
Hood river capital management	3.37M	2.16%	$154.54M
Aristotle capital boston	859.57K	2.01%	$39.46M
North star asset management	765.84K	1.44%	$30.32M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	1.46M	0.01%	1.46M
Congress asset management co /ma	1.08M	0.38%	1.08M
Fmr	627.80K	0.00%	614.13K
Bank of america corp /de/	588.76K	0.00%	515.85K
Geode capital management	2.96M	0.01%	459.82K

Top Sellers

Holder	Shares	% Assets	Change
Morgan stanley	2.09M	0.01%	-1.06M
Cardinal capital management llc /ct	208.39K	2.26%	-1.04M
Blackrock	18.26M	0.02%	-815.12K
Fiera capital	-	-	-653.94K
Wellington management group llp	-	-	-632.19K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.46M	0.01%	1.46M	$75.87M
Congress asset management co /ma	1.08M	0.38%	1.08M	$56.00M
Balyasny asset management	152.16K	0.01%	152.16K	$6.99M
Eulav asset management	105.24K	0.13%	105.24K	$5.46M
Jupiter asset management	58.05K	0.02%	58.05K	$2.66M

Sold Out

Holder	Change
Bogart wealth	-2.00
Signaturefd	-5.00
Claris advisors, llc / mo /	-7.00
First pacific financial	-9.00
Mendota financial group	-11.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	389	-4.66%	101,558,970	-0.72%	97	1.03%	189	-11.27%	153	10.07%
Mar 31, 2025	402	6.63%	101,866,492	-1.04%	96	1.00%	213	-3.18%	134	28.85%
Dec 31, 2024	369	1.37%	102,150,924	1.55%	97	1.06%	215	2.38%	102	-9.73%
Sep 30, 2024	360	23.71%	100,557,824	-2.95%	95	0.99%	207	31.85%	112	13.13%
Jun 30, 2024	286	8.75%	103,472,539	-0.56%	96	1.02%	153	20.47%	99	-1.98%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	6.26M	6.06%	902.00
Franklin US Small Cap Value Equity	3.70M	3.53%	1.30M
Franklin Small Cap Value SMA Composite	3.70M	3.53%	1.30M
Vanguard Total Stock Mkt Idx Inv	3.30M	3.19%	-87.49K
Vanguard US Total Market Shares ETF	3.31M	3.14%	2.82K
Vanguard Small Cap Index	2.55M	2.46%	-19.45K
iShares Russell 2000 ETF	2.50M	2.42%	-47.46K
Franklin Small Cap Value A	2.29M	2.18%	-
Vanguard Information Technology ETF	1.91M	1.84%	19.44K
Hood River Small-Cap Growth Instl	1.87M	1.81%	-77.62K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jun 18, 2025	ESTEP JANET O	-	Sell	$200.97K
Jun 10, 2025	Harman Mary P	-	Sell	$341.54K
May 12, 2025	Warsop Thomas W III	Director, President and CEO	Buy	$242.85K
Mar 03, 2025	PETERS CHARLES E JR	-	Sell	$744.93K
Dec 11, 2024	Behrens Scott W	Chief Financial Officer	Sell	$3.38M

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	1	2
2025 Q1	-	1
2024 Q4	-	4
2024 Q3	-	-

ACIW Ownership FAQ

Who owns the most shares of ACI Worldwide?

ACI Worldwide’s largest shareholders are Blackrock (18.26M shares, 17.10%), Blackrock funding, inc. /de (17.34M shares, 16.61%), and Vanguard group (13.86M shares, 13.23%). Together, they hold 46.94% of ACI Worldwide’s total shares outstanding.

Does Blackrock own ACI Worldwide?

Yes, BlackRock owns 17.10% of ACI Worldwide, totaling 18.26M shares as of Jun 2024. This represents 0.02% of BlackRock's total assets, with a market value of 722.91M$. In the last quarter, BlackRock decreased its holdings by -815K shares, a -4.27% change.

Who is ACI Worldwide’s biggest shareholder by percentage of total assets invested?

North reef capital management lp is ACI Worldwide’s biggest shareholder by percentage of total assets invested, with 4.99% of its assets in 2.14M ACI Worldwide shares, valued at 111.14M$.

Who is the top mutual fund holder of ACI Worldwide shares?

iShares Core S&P Small-Cap ETF is the top mutual fund holder of ACI Worldwide shares, with 6.06% of its total shares outstanding invested in 6.26M ACI Worldwide shares.

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