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# Who owns ACI WORLDWIDE, INC. (ACIW)? Elite investor 13F holders

5 tracked elite investors reported holding ACI WORLDWIDE, INC as of 2026-06-30, including Weitz Investment Management, Renaissance Technologies LLC, D.E. Shaw, Gotham Asset Management, Bridgewater Associates. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

5 tracked investors currently reported holding · Latest report period: 2026-06-30 · Information Technology · Software & Services

ACI Worldwide, Inc. develops, markets, installs, and supports software products and services for facilitating electronic payments in the United States and worldwide. It operates through Payment Software, and Billers segments. The company offers ACI Acquiring, a solution to process credit, debit, and prepaid card transactions, deliver digital innovation, fraud prevention, and reduce fees; ACI…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [Weitz Investment Management](https://ownershiptrace.com/13f/investors/83) | ACI WORLDWIDE INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 18491633.00 USD | 367700.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/883965/0001821268-26-000133-index.html) |
| [Renaissance Technologies LLC](https://ownershiptrace.com/13f/investors/63) | ACI WORLDWIDE INC | SHARE | 2026-06-30 | 2026-08-13 00:00:00 | 8948251.00 USD | 177933.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1037389/0001037389-26-000059-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | ACI WORLDWIDE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 5692073.00 USD | 113185.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | ACI WORLDWIDE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 660509.00 USD | 13134.000000 | Shares | reduce | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Bridgewater Associates](https://ownershiptrace.com/13f/investors/8) | ACI WORLDWIDE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 957270.00 USD | 19035.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1350694/0001350694-26-000003-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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