ACIW Institutional Ownership & Shareholders
ACI WORLDWIDE INC (ACIW) is currently held by 366 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $4.87B based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of ACIW tracked by InsiderSet, reporting ownership valued at approximately $823.82M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $922.93M, representing an estimated gain of +12.03% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 56% of the total disclosed ACIW value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, Fmr Llc, and several other long-term asset managers with concentrated positions in ACI WORLDWIDE INC (ACIW).
This page ranks the largest institutional ACIW shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
366
Total Reported Value
$4.87B
Largest Holder
Blackrock, Inc.
Largest Position
$823.82M
Insider Transactions (90d)
8
Latest Filing Quarter
Q2 2026
New Institutional Positions
34
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 16,381,401 | $823,820,657 | $922,928,132 | +$99,107,475 | +12.03% | |
| Vanguard Portfolio Management Llc | 0.02% | 8,112,057 | $407,955,347 | $457,033,291 | +$49,077,944 | +12.03% | |
| Fmr Llc | 0.01% | 6,545,875 | $329,192,060 | $368,794,598 | +$39,602,538 | +12.03% | |
| Vanguard Capital Management Llc | 0.00% | 4,586,998 | $230,680,129 | $258,431,467 | +$27,751,338 | +12.03% | |
| State Street Corp | 0.01% | 4,294,891 | $215,942,710 | $241,974,159 | +$26,031,449 | +12.05% | |
| Geode Capital Management, Llc | 0.01% | 3,398,962 | $170,956,259 | $191,497,519 | +$20,541,260 | +12.02% | |
| Dimensional Fund Advisors Lp | 0.03% | 3,155,479 | $158,683,333 | $177,779,687 | +$19,096,354 | +12.03% | |
| Fuller & Thaler Asset Management, Inc. | 0.37% | 2,732,368 | $137,410,799 | $153,941,613 | +$16,530,814 | +12.03% | |
| North Reef Capital Management Lp | 5.05% | 2,617,000 | $131,608,930 | $147,441,780 | +$15,832,850 | +12.03% | |
| Hood River Capital Management Llc | 0.85% | 2,329,869 | $117,169,112 | $131,264,819 | +$14,095,707 | +12.03% | |
| Morgan Stanley | 0.01% | 2,103,315 | $105,775,805 | $118,500,767 | +$12,724,962 | +12.03% | |
| Alliancebernstein L.P. | 0.03% | 2,327,825 | $95,464,103 | $131,149,661 | +$35,685,558 | +37.38% | |
| Arrowstreet Capital, Limited Partnership | 0.04% | 1,760,554 | $88,538,261 | $99,189,612 | +$10,651,351 | +12.03% | |
| Congress Asset Management Co | 0.55% | 1,737,223 | $84,915,460 | $97,875,144 | +$12,959,684 | +15.26% | |
| London Co Of Virginia | 0.46% | 1,594,274 | $80,229,956 | $89,821,397 | +$9,591,441 | +11.95% | |
| Channing Capital Management, Llc | 2.03% | 1,583,567 | $77,404,755 | $89,218,165 | +$11,813,410 | +15.26% | |
| Reinhart Partners, Llc. | 1.67% | 1,404,879 | $68,670,486 | $79,150,883 | +$10,480,397 | +15.26% | |
| Charles Schwab Investment Management Inc | 0.01% | 1,342,245 | $67,501,501 | $75,622,083 | +$8,120,582 | +12.03% | |
| Norges Bank | 0.01% | 1,308,947 | $65,826,945 | $73,746,074 | +$7,919,129 | +12.03% | |
| Northern Trust Corp | 0.01% | 1,271,070 | $63,922,111 | $71,612,084 | +$7,689,973 | +12.03% | |
| Price T Rowe Associates Inc | 0.01% | 1,116,210 | $56,135,000 | $62,887,271 | +$6,752,271 | +12.03% | |
| Rice Hall James & Associates, Llc | 2.46% | 1,006,595 | $50,621,663 | $56,711,562 | +$6,089,899 | +12.03% | |
| Nomura Asset Management International Inc. | 0.07% | 961,578 | $48,358,000 | $54,175,305 | +$5,817,305 | +12.03% | |
| Massachusetts Financial Services Co | 0.01% | 777,849 | $39,118,026 | $43,824,013 | +$4,705,987 | +12.03% | |
| Goldman Sachs Group Inc | 0.00% | 744,192 | $37,425,415 | $41,927,777 | +$4,502,362 | +12.03% | |
| Vanguard Fiduciary Trust Co | 0.01% | 730,372 | $36,730,408 | $41,149,158 | +$4,418,750 | +12.03% | |
| Voya Investment Management Llc | 0.03% | 725,274 | $36,474,029 | $40,861,937 | +$4,387,908 | +12.03% | |
| Bank Of New York Mellon Corp | 0.01% | 635,292 | $31,948,834 | $35,792,351 | +$3,843,517 | +12.03% | |
| Aqr Capital Management Llc | 0.01% | 612,982 | $30,557,128 | $34,535,406 | +$3,978,278 | +13.02% | |
| Sei Investments Co | 0.03% | 585,920 | $29,465,834 | $33,010,733 | +$3,544,899 | +12.03% | |
| North Star Asset Management Inc | 1.15% | 579,211 | $29,128,521 | $32,632,748 | +$3,504,227 | +12.03% | |
| Principal Financial Group Inc | 0.01% | 595,176 | $29,092,203 | $33,532,216 | +$4,440,013 | +15.26% | |
| Nuveen, Llc | 0.01% | 578,122 | $29,073,756 | $32,571,393 | +$3,497,637 | +12.03% | |
| Aristotle Capital Boston, Llc | 1.86% | 551,926 | $27,756,361 | $31,095,511 | +$3,339,150 | +12.03% | |
| Bank Of America Corp | 0.00% | 544,662 | $27,391,053 | $30,686,257 | +$3,295,204 | +12.03% | |
| Invesco Ltd. | 0.00% | 537,839 | $27,047,924 | $30,301,849 | +$3,253,925 | +12.03% | |
| Metlife Investment Management, Llc | 0.12% | 531,242 | $26,716,160 | $29,930,174 | +$3,214,014 | +12.03% | |
| Segall Bryant & Hamill, Llc | 0.26% | 441,958 | $22,226,068 | $24,899,914 | +$2,673,846 | +12.03% | |
| Citadel Advisors Llc | 0.01% | 441,204 | $22,188,149 | $24,857,433 | +$2,669,284 | +12.03% | |
| Victory Capital Management Inc | 0.01% | 439,979 | $22,126,545 | $24,788,417 | +$2,661,872 | +12.03% | |
| Swedbank Ab | 0.02% | 444,112 | $21,708,195 | $25,021,270 | +$3,313,075 | +15.26% | |
| Envestnet Asset Management Inc | 0.01% | 427,631 | $21,505,547 | $24,092,731 | +$2,587,184 | +12.03% | |
| Ubs Group Ag | 0.00% | 424,816 | $21,363,997 | $23,934,133 | +$2,570,136 | +12.03% | |
| Van Lanschot Kempen Investment Management N.V. | 0.15% | 394,318 | $19,830,252 | $22,215,876 | +$2,385,624 | +12.03% | |
| Public Employees Retirement Association Of Colorado | 0.07% | 388,472 | $19,536,000 | $21,886,512 | +$2,350,512 | +12.03% | |
| Weitz Investment Management, Inc. | 1.28% | 367,700 | $18,491,633 | $20,716,218 | +$2,224,585 | +12.03% | |
| Value Holdings Management Co. Llc | 3.03% | 360,900 | $18,150,000 | $20,333,106 | +$2,183,106 | +12.03% | |
| Public Sector Pension Investment Board | 0.05% | 349,242 | $17,563,380 | $19,676,294 | +$2,112,914 | +12.03% | |
| Wcm Investment Management, Llc | 0.03% | 346,593 | $17,159,819 | $19,527,050 | +$2,367,231 | +13.80% | |
| Palisade Capital Management, Lp | 0.73% | 333,856 | $16,789,618 | $18,809,447 | +$2,019,829 | +12.03% |
Frequently asked questions about ACIW
Who are the largest institutional holders of ACIW?
The largest institutional holders of ACIW reported in the latest SEC Form 13F filings include Blackrock, Inc., Vanguard Portfolio Management Llc, Fmr Llc, Vanguard Capital Management Llc, and State Street Corp. InsiderSet ranks institutional holders by their latest reported ACIW position.
What is ACIW institutional ownership?
This page tracks ACIW positions reported by institutional investment managers through SEC Form 13F. ACI WORLDWIDE INC (ACIW) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own ACIW?
InsiderSet currently tracks 366 institutional managers reporting ACIW holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of ACIW shareholders.
How much ACIW stock do institutions own?
Institutional investment managers disclosed approximately $4.87B in ACIW holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was ACIW institutional ownership last updated?
The latest ACIW institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional ACIW holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its ACIW position after the reporting date.
Are institutions buying or selling ACIW?
Institutional buying and selling can be analyzed by comparing ACIW positions across consecutive 13F reporting periods. InsiderSet's ACIW Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View ACIW ownership changes.
How has ACIW institutional ownership changed over time?
InsiderSet tracks ACIW institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.