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 6.04% 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	147.06%	12.43%	-59.49%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	18.26M	17.10%	$722.91M
Blackrock funding, inc. /de	16.89M	16.19%	$891.49M
Vanguard group	13.64M	13.07%	$719.83M
Franklin resources	9.66M	9.25%	$288.47M
State street	4.54M	4.33%	$235.62M
Hood river capital management	3.37M	3.22%	$154.54M
Geode capital management	3.10M	2.97%	$163.81M
Dimensional fund advisors lp	2.50M	2.40%	$131.96M
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
Kopion asset management	126.44K	4.33%	$6.67M
Rice hall james & associates	996.57K	2.87%	$52.59M
Global alpha capital management	935.27K	2.82%	$49.35B
Value management	332.90K	2.82%	$17.57M
Cardinal capital management llc /ct	208.39K	2.26%	$8.25M
Hood river capital management	3.37M	2.16%	$154.54M
Aristotle capital boston	859.57K	2.01%	$39.46M
Reinhart partners	1.02M	1.76%	$54.03M
Bridge city capital	123.96K	1.75%	$6.54M

Top Buyers

Holder	Shares	% Assets	Change
Franklin resources	9.66M	0.07%	4.28M
Norges bank	1.46M	0.01%	1.46M
Fuller & thaler asset management	954.81K	0.17%	954.81K
Bank of america corp /de/	588.76K	0.00%	515.85K
Metlife investment management	514.63K	0.13%	514.63K

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
Fuller & thaler asset management	954.81K	0.17%	954.81K	$50.39M
Balyasny asset management	152.16K	0.01%	152.16K	$6.99M
Bridgewater associates, lp	33.12K	0.01%	33.12K	$1.75M
Synovus financial	21.28K	0.01%	21.28K	$1.12B

Sold Out

Holder	Change
Bogart wealth	-2.00
Claris advisors, llc / mo /	-7.00
First pacific financial	-9.00
Mendota financial group	-11.00
Financial gravity asset management	-13.00

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	6.24M	6.04%	-
Franklin Small Cap Value SMA Composite	3.70M	3.53%	1.30M
Franklin US Small Cap Value Equity	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
iShares Russell 2000 ETF	2.56M	2.48%	-
Vanguard Small Cap Index	2.55M	2.46%	-19.45K
Franklin Small Cap Value A	2.50M	2.41%	205.45K
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
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
May 12, 2025	Warsop Thomas W III	Director, President and CEO	Buy	$242.85K
Mar 03, 2025	PETERS CHARLES E JR	-	Sell	$744.93K

Insider Transactions Trends

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

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 (16.89M shares, 16.19%), and Vanguard group (13.64M shares, 13.07%). Together, they hold 46.35% 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 6.04% of its total shares outstanding invested in 6.24M ACI Worldwide shares.

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