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Who owns ACI Worldwide (ACIW) stock

361 funds reported ACI Worldwide (ACIW) shares in their latest 13F filings, worth $5.6B in all. The largest holder is BlackRock ($824M). Last quarter 169 funds added to their stakes and 166 cut them. Members of Congress and other officials disclosed 1 trade (0 buys, 1 sales).

Largest holders of ACIW (13F)Largest holders of ACIW (13F)BlackRock$824MVanguard Group$641MVanguard Portfolio Management LLC$408MFranklin Resources$337MFMR LLC$329MVanguard Capital Management LLC$231MState Street$216MGeode Capital Management, LLC$171MDimensional Fund Advisors LP$159MFuller & Thaler Asset Management$137M

Largest holders (13F)

FundSharesValueChangeQuarter
BlackRock16,381,401$824Mdecrease2026-06-30
Vanguard Group13,407,325$641Mdecrease2025-12-31
Vanguard Portfolio Management LLC8,112,057$408Mincrease2026-06-30
Franklin Resources6,695,164$337Mincrease2026-06-30
FMR LLC6,545,875$329Mincrease2026-06-30
Vanguard Capital Management LLC4,586,998$231Mincrease2026-06-30
State Street4,294,891$216Mincrease2026-06-30
Geode Capital Management, LLC3,398,962$171Mincrease2026-06-30
Dimensional Fund Advisors LP3,155,479$159Mincrease2026-06-30
Fuller & Thaler Asset Management2,732,368$137Mincrease2026-06-30
North Reef Capital Management LP2,617,000$132Mincrease2026-06-30
Hood River Capital Management LLC2,329,869$117Mdecrease2026-06-30
Morgan Stanley2,103,315$106Mincrease2026-06-30
Alliancebernstein L.P.2,327,825$95.5Mincrease2026-06-30
Arrowstreet Capital, Limited Partnership1,760,554$88.5Mdecrease2026-06-30

Trades by Congress and other officials

DateWhoTradeAmount
2025-10-31Lisa McClainsale$1K–$15K

ACI Worldwide's latest quarter

ACI Worldwide, Q3 2026: revenue $427M (-12% year over year), operating margin 12.3%, net earnings $32.5M, operating cash flow $119M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most ACIW stock?

By the latest 13F filings: BlackRock ($824M); Vanguard Group ($641M); Vanguard Portfolio Management LLC ($408M); Franklin Resources ($337M); FMR LLC ($329M).

Has Congress traded ACIW stock?

Officials disclosed 1 trade on file: 0 buys and 1 sales. The latest: Lisa McClain, sale on 2025-10-31.

What is the short interest in ACIW?

6,300,322 shares were sold short at the 2026-10-15 settlement, -1.49% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.