ACI Worldwide Inc (ACIW)
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%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 16.74 | 17,018,137 | -0.9 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 7.92 | 8,056,347 | +0.0 | 03/31/2026 |
| Franklin Resources Inc | 6.51 | 6,616,371 | +13.3 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.47 | 4,540,512 | +0.0 | 03/31/2026 |
| State Street Corp | 4.08 | 4,150,909 | +0.4 | 03/31/2026 |
| Geode Capital Management, LLC | 3.12 | 3,174,725 | +3.1 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.10 | 6,202,772 | +0.0 | 07/28/2026 |
| Vanguard Morn Total Stk Mkt Idx Investor | 3.18 | 3,234,383 | +0.4 | 06/30/2026 |
| Franklin US Small Cap Value Equity | 2.93 | 2,980,647 | -1.8 | 06/30/2026 |
| Franklin Small Cap Value A | 2.93 | 2,980,647 | +14.2 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: August 3, 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.