Aci Worldwide, Inc.
ACIW- Exchange
- Nasdaq
- Industry
- Services-Prepackaged Software
- SEC CIK
- 0000935036
No open-market purchases or sales by Aci Worldwide, Inc. insiders were filed in the last 90 days; 377 institutions reported holding it in 13F filings for Q2 2026, worth $5.22B in total; Weitz Investment Management is the only superinvestor holding it.
Holders of 5% or more of ACIW
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Aci Worldwide, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 15.40%16.3M shares | – | Apr 23, 20251 filing | Apr 23, 2025 | SEC |
| Vanguard Group Inc | 13G/A | 13.21%13.9M shares | – | Jan 30, 20251 filing | Jan 30, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
3 Schedule 13D and 13G filings on Aci Worldwide, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 23, 20257:36 AM ET | BlackRock, Inc. | 13G/A | 15.40%16.3M shares | – | Mar 31, 2025 | SEC |
| Jan 30, 20258:09 PM ET | Vanguard Group Inc | 13G/A | 13.21%13.9M shares | – | Dec 31, 2024 | SEC |
| Oct 31, 202411:34 AM ET | Franklin Mutual Advisers LLC | 13G/A | 3.60%3.76M shares | –Below 5% | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Aci Worldwide, Inc. shares.
No Form 144 notices for Aci Worldwide, Inc. are on file.