ACI Worldwide Inc
Ownership
Ownership Structure
Who owns ACI Worldwide Inc (ACIW)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 98.7% of the shares are freely tradable; institutional investors hold 102.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.23 | 16,381,401 | -3.7 | 06/30/2026 |
| Vanguard Portfolio Management, LLC | 8.04 | 8,112,057 | +0.7 | 06/30/2026 |
| Franklin Templeton Inc | 6.63 | 6,695,164 | +1.2 | 06/30/2026 |
| FMR Inc | 6.48 | 6,545,875 | +202.2 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.54 | 4,586,998 | +1.0 | 06/30/2026 |
| State Street Corp | 4.25 | 4,294,891 | +3.5 | 06/30/2026 |
| Geode Capital Management, LLC | 3.37 | 3,398,962 | +7.1 | 06/30/2026 |
| Dimensional Fund Advisors, Inc. | 3.13 | 3,155,479 | +12.2 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 5.96 | 6,012,973 | +0.0 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 3.21 | 3,236,445 | -0.1 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Leibrock Robert William | Chief Financial Officer | 200,725 | 11,300,818 $ | Sep 24, 2026 | direct |
| Shultz Ronald Craig | GM, ACI Speedpay | 58,825 | 3,311,848 $ | Sep 6, 2026 | direct |
| Litch Erich J | GM, Payment Software | 36,990 | 2,082,537 $ | Sep 6, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 24, 2026 | Leibrock Robert William | Chief Financial Officer | Other | 3,176 | 49.62 | 157,593 |
| Sep 6, 2026 | Leibrock Robert William | Chief Financial Officer | Other | 1,905 | 52.95 | 100,870 |
| Sep 6, 2026 | Shultz Ronald Craig | GM, ACI Speedpay | Other | 724 | 52.95 | 38,336 |
| Sep 6, 2026 | Litch Erich J | GM, Payment Software | Other | 963 | 52.95 | 50,991 |
| Sep 4, 2026 | Shultz Ronald Craig | GM, ACI Speedpay | Other | 765 | 52.95 | 40,507 |
| Sep 4, 2026 | Shultz Ronald Craig | GM, ACI Speedpay | Other | 385 | 52.95 | 20,386 |
| Sep 4, 2026 | Litch Erich J | GM, Payment Software | Other | 667 | 52.95 | 35,318 |
| Sep 4, 2026 | Litch Erich J | GM, Payment Software | Other | 136 | 52.95 | 7,201 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.