ACI Worldwide Ownership | Who Owns ACI Worldwide?

Overview Forecast RevenueFinancials Chart Transcripts

ACI Worldwide Ownership Summary

ACI Worldwide is owned by 75.92% institutional investors, 1.14% insiders, and 22.94% 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 6.14% of its assets in ACI Worldwide shares.

ACIW Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	ACI Worldwide	75.92%	1.14%	22.94%
Sector	Technology Stocks	35.46%	13.12%	51.43%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	18.26M	17.10%	$722.91M
Blackrock funding, inc. /de	17.18M	16.64%	$821.24M
Vanguard group	13.41M	12.99%	$641.00M
Franklin resources	5.84M	5.66%	$279.27M
State street	4.13M	3.96%	$217.92M
Geode capital management	3.08M	2.98%	$147.18M
Hood river capital management	2.98M	2.86%	$157.37M
Dimensional fund advisors lp	2.47M	2.39%	$118.03M
Alliancebernstein	2.34M	2.24%	$123.28M
Morgan stanley	2.19M	2.12%	$104.63M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Kopion asset management	138.13K	4.72%	$6.60M
North reef capital management lp	1.78M	4.40%	$94.13M
Rice hall james & associates	996.57K	2.87%	$52.59M
Value management	339.90K	2.72%	$16.25M
Aristotle capital boston	845.66K	2.30%	$44.63M
Cardinal capital management llc /ct	208.39K	2.26%	$8.25M
Prospect capital advisors	72.80K	1.99%	$3.84M
Global alpha capital management	662.78K	1.93%	$31.69M
Hood river capital management	2.98M	1.86%	$157.37M
Reinhart partners	1.13M	1.62%	$54.09M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	1.14M	0.01%	1.14M
Fuller & thaler asset management	1.82M	0.30%	861.78K
London co of virginia	1.73M	0.50%	825.67K
Bank of america corp /de/	588.76K	0.00%	515.85K
Assenagon asset management	781.47K	0.05%	480.71K

Top Sellers

Holder	Shares	% Assets	Change
Franklin resources	5.84M	0.07%	-3.82M
Macquarie group	-	-	-1.05M
Cardinal capital management llc /ct	208.39K	2.26%	-1.04M
Blackrock	18.26M	0.02%	-815.12K
North reef capital management lp	1.78M	4.40%	-756.15K

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	1.14M	0.01%	1.14M	$54.74M
Hotchkis & wiley capital management	197.24K	0.03%	197.24K	$10.41M
Axa investment managers	190.45K	0.03%	190.45K	$10.05M
Balyasny asset management	152.16K	0.01%	152.16K	$6.99M
Winton group	123.59K	0.20%	123.59K	$5.91M

Sold Out

Holder	Change
Bogart wealth	-2.00
Tortoise investment management	-2.00
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 %
Dec 31, 2025	304	-24.57%	78,385,834	-25.25%	75	0.75%	146	-30.48%	114	-19.72%
Sep 30, 2025	383	-1.29%	104,356,630	8.77%	99	1.18%	200	7.53%	134	-12.42%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
iShares Core S&P Small-Cap ETF	6.25M	6.14%	-1.03M
Franklin Small Cap Value SMA Composite	3.70M	3.53%	1.30M
Vanguard Total Stock Mkt Idx Inv	3.27M	3.21%	6.17K
Vanguard US Total Market Shares ETF	3.31M	3.14%	2.82K
Franklin Small Cap Value A	3.17M	3.12%	541.86K
iShares Russell 2000 ETF	2.55M	2.50%	54.25K
Vanguard Information Technology ETF	2.55M	2.50%	-506.00
Franklin US Small Cap Value Equity	2.52M	2.45%	76.25K
Vanguard Small Cap Index	2.34M	2.30%	6.96K
FullerThaler Beh Small-Cap Equity SMA	1.75M	1.72%	39.10K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 03, 2026	Benitez Juan II	-	Buy	$100.55K
Mar 02, 2026	SANCHEZ ADALIO T	-	Buy	$122.94K
Nov 10, 2025	Kuruvilla Abraham	Chief Technology Officer	Sell	$200.79K
Jun 18, 2025	ESTEP JANET O	-	Sell	$200.97K
Jun 10, 2025	Harman Mary P	-	Sell	$341.54K

Insider Transactions Trends

Date	Buy	Sell
2026 Q1	2	-
2025 Q4	-	1
2025 Q3	-	-
2025 Q2	1	2
2025 Q1	-	1

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 (17.18M shares, 16.64%), and Vanguard group (13.41M shares, 12.99%). Together, they hold 46.72% 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?

Kopion asset management is ACI Worldwide’s biggest shareholder by percentage of total assets invested, with 4.72% of its assets in 138.13K ACI Worldwide shares, valued at 6.6M$.

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 6.14% of its total shares outstanding invested in 6.25M ACI Worldwide shares.

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