Aci Worldwide ACIW Institutional Ownership

NASDAQ ACIW

$52.22 -0.58 (-1.10%)

At close: Oct 19, 2026 · 4:00 PM EDT

Institutions by Trading Activity

376 Institutions

Increased 197 52.4%

Unchanged 50 13.3%

Reduced 129 34.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

104.21Mn

of 101.50Mn outstanding

▲+3.53% QoQ

Shares Outstanding

101.50Mn

Institutional Investors

376

filed 13F for Jun 2026

▼-1 vs prior quarter

Net Shares Added (QoQ)

+3.55Mn

accumulated since last quarter

Value of Holdings

$5.48Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Aci Worldwide, Inc. (NASDAQ:ACIW) was reported as a holding by 376 institutional investors in 13F filings for the quarter ended June 30, 2026.

Total shares held in Aci Worldwide rose 3.53% from Q1 2026, while the number of holders fell 3.84% from Q2 2025.
Among the 376 holders of Aci Worldwide, 197 added to their positions, 129 reduced their stakes and 50 left their positions unchanged.
Altogether, institutional holders owned 104.21Mn ACIW shares at the end of Q2 2026, up 3.55Mn from the prior quarter and up 5.17Mn from a year earlier.
BlackRock, Inc. led 13F holders of ACIW with 16.38Mn shares as of June 30, 2026.
The largest position increases in ACIW for Q2 2026 were by FMR LLC (+4.38Mn shares), Fuller & Thaler Asset Management, Inc. (+582.56K shares), Citadel Advisors LLC (+391.6K shares), North Reef Capital Management LP (+387K shares) and Dimensional Fund Advisors LP (+342.33K shares).
Holders that trimmed the most shares of Aci Worldwide in Q2 2026 while keeping a position were BlackRock, Inc. (-636.74K shares), Two Sigma Investments, LP (-535.94K shares), Palisade Capital Management, LP (-374.57K shares), Assenagon Asset Management S.A. (-296.16K shares) and Congress Asset Management Co (-241.5K shares).
According to Business Quant data, the leading holders of ACIW for Q2 2026 were BlackRock, Inc. (16.38Mn shares), Vanguard Portfolio Management LLC (8.11Mn shares), Franklin Templeton Inc (6.7Mn shares), FMR LLC (6.55Mn shares), Vanguard Capital Management LLC (4.59Mn shares), State Street Corp (4.29Mn shares), Geode Capital Management, LLC (3.4Mn shares), Dimensional Fund Advisors LP (3.16Mn shares), Fuller & Thaler Asset Management, Inc. (2.73Mn shares) and North Reef Capital Management LP (2.62Mn shares).

Form 13F Holdings

376 Institutional Holders

Report period 30 Jun, 2026

Total shares held 104.21Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	16,381,401	16.14%	▼636,736	-3.74%	$823.82Mn
2	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	8,112,057	7.99%	▲55,710	+0.69%	$407.96Mn
3	Franklin Templeton Inc	0000038777	6,695,164	6.60%	▲78,793	+1.19%	$336.70Mn
4	FMR LLC	0000315066	6,545,875	6.45%	▲4,380,018	+202.23%	$329.19Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	4,586,998	4.52%	▲46,486	+1.02%	$230.68Mn
6	State Street Corp	0000093751	4,294,891	4.23%	▲143,982	+3.47%	$215.94Mn
7	GEODE CAPITAL MANAGEMENT, LLC	0001214717	3,398,962	3.35%	▲224,237	+7.06%	$170.96Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	3,155,479	3.11%	▲342,329	+12.17%	$158.68Mn
9	FULLER & THALER ASSET MANAGEMENT, INC.	0001082327	2,732,368	2.69%	▲582,559	+27.10%	$137.41Mn
10	North Reef Capital Management LP	0001867831	2,617,000	2.58%	▲387,000	+17.35%	$131.61Mn
11	REINHART PARTNERS, LLC.	0001080298	2,424,247	2.39%	▲189,433	+8.48%	$121.92Mn
12	Hood River Capital Management LLC	0001578177	2,329,869	2.30%	▼61,450	-2.57%	$117.17Mn
13	ALLIANCEBERNSTEIN L.P.	0001109448	2,327,825	2.29%	▲298,992	+14.74%	$95.46Mn
14	Morgan Stanley	0000895421	2,103,315	2.07%	▲190,262	+9.95%	$105.78Mn
15	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	1,760,554	1.73%	▼8,558	-0.48%	$88.54Mn
16	LONDON CO OF VIRGINIA	0001259887	1,594,274	1.57%	▼86,307	-5.14%	$80.23Mn
17	CONGRESS ASSET MANAGEMENT CO	0000897378	1,592,306	1.57%	▼241,502	-13.17%	$80.08Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,342,245	1.32%	▲17,826	+1.35%	$67.50Mn
19	NORGES BANK	0001374170	1,308,947	1.29%	▲1,308,947	0.00%	$65.83Mn
20	Northern Trust Corp	0000073124	1,271,070	1.25%	▲22,521	+1.80%	$63.92Mn

Showing 1 to 20 of 376 holders