ACIW — ACI WORLDWIDE INC
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
About ACI WORLDWIDE INC (ACIW)
ACI WORLDWIDE INC (ACIW) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Izzy Englander (Millennium Management), valued at $10M. Across recent filings, tracked investors recorded 5 new positions, 1 increased, 2 reduced, and 1 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in ACIW
How many top investors track ACIW
A small number of top investors own this.
ACIW Ownership Composition
How ACI WORLDWIDE INC is held across tracked investor types, based on reported 13F positions.
- Hedge Funds54.4%
- Other45.6%
Tracked investors reporting ACIW
- Izzy EnglanderMar 31, 2026Millennium ManagementShares30.5KValue$1.2M% Portfolio0.00%
- Ken GriffinMar 31, 2026Citadel AdvisorsShares69.2KValue$2.8M% Portfolio0.00%
- Steve CohenDec 31, 2025Point72 Asset ManagementShares108.7KValue$5.2M% Portfolio0.01%
- Ray DalioDec 31, 2025Bridgewater AssociatesShares5.5KValue$262.3K% Portfolio0.00%
Recent activity
- $9.9MFeb 17, 2026
- $1.2MMay 15, 2026
- New$5.2MFeb 17, 2026
- Increased$2.8M(52.35%)May 15, 2026
- Sold$0(-100.00%)May 15, 2026
- Reduced$2.2M(-65.93%)Feb 17, 2026
- Reduced$262.3K(-83.43%)Feb 13, 2026
- New$7MNov 14, 2025
- New$1.7MNov 13, 2025
Frequently asked questions
- How many institutional investors hold ACIW?
- 4 tracked institutional investors disclosed a position in ACIW (ACI WORLDWIDE INC) in their most recent 13F filing.
- Who is the largest institutional holder of ACIW?
- Izzy Englander, Millennium Management, holds the largest disclosed position in ACIW, valued at $10M.
- Did institutional ownership of ACIW increase or decrease?
- Across recent 13F filings, tracked investors recorded 5 new positions, 1 increased, 2 reduced, and 1 fully exited ACIW.
- Where does this ACIW ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.