ACI WORLDWIDE INC ACIW
COM · Common Stock · CUSIP 004498101
American payment systems company
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersElkhorn, NE
- Founded1975
- Websiteaciworldwide.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($839.1k this quarter). Holder counts are more reliable. Shares outstanding: 101.0m as of 2026-08-03, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $50.05. Options: 1 managers hold calls ($528.0k notional), 2 hold puts ($854.9k).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 268 |
| Q4 2022 | 265 |
| Q1 2023 | 272 |
| Q2 2023 | 263 |
| Q3 2023 | 254 |
| Q4 2023 | 255 |
| Q1 2024 | 266 |
| Q2 2024 | 291 |
| Q3 2024 | 366 |
| Q4 2024 | 377 |
| Q1 2025 | 406 |
| Q2 2025 | 393 |
| Q3 2025 | 400 |
| Q4 2025 | 403 |
| Q1 2026 | 381 |
| Q2 2026 | 377 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 209 | 131 |
| Q4 2024 | 209 | 158 |
| Q1 2025 | 207 | 181 |
| Q2 2025 | 185 | 225 |
| Q3 2025 | 202 | 199 |
| Q4 2025 | 185 | 195 |
| Q1 2026 | 196 | 193 |
| Q2 2026 | 189 | 178 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $627.3k | $2.0m | 3.26 |
| Q4 2025 | $86.1k | $1.3m | 15.06 |
| Q1 2026 | $262.5k | $611.0k | 2.33 |
| Q2 2026 | $528.0k | $854.9k | 1.62 |
Biggest buyers
| FMR LLC | Added | +4.4m |
| FULLER & THALER ASSET MANAGEMENT, INC. | Added | +582.6k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. | New | +394.3k |
| CITADEL ADVISORS LLC | Added | +391.6k |
| North Reef Capital Management LP | Added | +387.0k |
| DIMENSIONAL FUND ADVISORS LP | Added | +342.3k |
| ALLIANCEBERNSTEIN L.P. | Added | +299.0k |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +224.2k |
| MILLENNIUM MANAGEMENT LLC | Added | +213.7k |
| MORGAN STANLEY | Added | +190.3k |
Biggest sellers
| Global Alpha Capital Management Ltd. | Sold out | -915.7k |
| BlackRock, Inc. | Reduced | -636.7k |
| TWO SIGMA INVESTMENTS, LP | Reduced | -535.9k |
| WELLINGTON MANAGEMENT GROUP LLP | Sold out | -457.2k |
| PALISADE CAPITAL MANAGEMENT, LP | Reduced | -374.6k |
| Qube Research & Technologies Ltd | Sold out | -255.3k |
| CONGRESS ASSET MANAGEMENT CO | Reduced | -241.5k |
| Assenagon Asset Management S.A. | Reduced | -186.1k |
| D. E. Shaw & Co., Inc. | Reduced | -179.0k |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | -172.4k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $528.0k10.5k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $804.6k16.0k shares |
| SIMPLEX TRADING, LLC | Unchanged | $50.3k1.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-23 | 15.4% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-28 | 8.0% |
| FRANKLIN RESOURCES INC 13G · institution new · filed 2026-04-29 | 6.5% |
| FMR LLC 13G · institution new · filed 2026-08-06 | 6.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 3 | $4.2m | — |
| Q1 2025 | 0 | — | 1 | $745.0k | — |
| Q2 2025 | 1 | $242.8k | 2 | $542.5k | — |
| Q3 2025 | 0 | — | 0 | — | — |
| Q4 2025 | 0 | — | 1 | $200.8k | — |
| Q1 2026 | 2 | $223.5k | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 0 | — | — |
None reported since 1 Apr 2026.
Holders, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.01% of their portfolio | 16.4m $823.8m | Reduced -636.7k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.02% of their portfolio | 8.1m $408.0m | Added +55.7k |
| FRANKLIN RESOURCES INC 0.07% of their portfolio | 6.7m $336.7m | Added +78.8k |
| FMR LLC 0.01% of their portfolio | 6.5m $329.2m | Added +4.4m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 4.6m $230.7m | Added +46.5k |
| STATE STREET CORP 0.01% of their portfolio | 4.3m $215.9m | Added +144.0k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 3.4m $171.0m | Added +224.2k |
| DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio | 3.2m $158.7m | Added +342.3k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.37% of their portfolio | 2.7m $137.4m | Added +582.6k |
| North Reef Capital Management LP 5.05% of their portfolio | 2.6m $131.6m | Added +387.0k |
| REINHART PARTNERS, LLC. 2.78% of their portfolio | 2.4m $121.9m | Added +189.4k |
| Hood River Capital Management LLC 0.85% of their portfolio | 2.3m $117.2m | Reduced -61.5k |
| ALLIANCEBERNSTEIN L.P. 0.03% of their portfolio | 2.3m $95.5m | Added +299.0k |
| MORGAN STANLEY 0.01% of their portfolio | 2.1m $105.8m | Added +190.3k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.04% of their portfolio | 1.8m $88.5m | Reduced -8.6k |
| LONDON CO OF VIRGINIA 0.46% of their portfolio | 1.6m $80.2m | Reduced -86.3k |
| CONGRESS ASSET MANAGEMENT CO 0.49% of their portfolio | 1.6m $80.1m | Reduced -241.5k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 1.3m $67.5m | Added +17.8k |
| NORGES BANK 0.01% of their portfolio | 1.3m $65.8m | Not comparable |
| NORTHERN TRUST CORP 0.01% of their portfolio | 1.3m $63.9m | Added +22.5k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 1.1m $56.1m | Added +21.8k |
| RICE HALL JAMES & ASSOCIATES, LLC 2.46% of their portfolio | 1.0m $50.6m | Added +3.2k |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.07% of their portfolio | 961.6k $48.4m | Reduced -38.0k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio | 777.8k $39.1m | Reduced -92.2k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 744.2k $37.4m | Added +139.0k |
| VANGUARD FIDUCIARY TRUST CO 0.01% of their portfolio | 730.4k $36.7m | Added +12.1k |
| VOYA INVESTMENT MANAGEMENT LLC 0.03% of their portfolio | 725.3k $36.5m | Reduced -30.7k |
| Bank of New York Mellon Corp 0.01% of their portfolio | 635.3k $31.9m | Added +6.8k |
| AQR CAPITAL MANAGEMENT LLC 0.01% of their portfolio | 613.0k $30.6m | Added +102.3k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 598.9k $30.1m | Added +1.2k |
| SEI INVESTMENTS CO 0.03% of their portfolio | 585.9k $29.5m | Added +82.7k |
| NORTH STAR ASSET MANAGEMENT INC 1.15% of their portfolio | 579.2k $29.1m | Reduced -9.7k |
| Nuveen, LLC 0.01% of their portfolio | 578.1k $29.1m | Reduced -122.1k |
| Aristotle Capital Boston, LLC 1.86% of their portfolio | 551.9k $27.8m | Reduced -108.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 544.7k $27.4m | Reduced -49.6k |
| Invesco Ltd. 0.00% of their portfolio | 537.8k $27.0m | Added +21.3k |
| MetLife Investment Management, LLC 0.12% of their portfolio | 531.2k $26.7m | Added +7.4k |
| Swedbank AB 0.02% of their portfolio | 444.1k $22.3m | Reduced -20.0k |
| SEGALL BRYANT & HAMILL, LLC 0.26% of their portfolio | 442.0k $22.2m | Added +45.9k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 441.2k $22.2m | Added +391.6k |
| VICTORY CAPITAL MANAGEMENT INC 0.01% of their portfolio | 440.0k $22.1m | Added +84.2k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 427.6k $21.5m | Reduced -13.8k |
| UBS Group AG 0.00% of their portfolio | 424.8k $21.4m | Reduced -21.6k |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. 0.15% of their portfolio | 394.3k $19.8m | New |
| PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO 0.07% of their portfolio | 388.5k $19.5m | Reduced -639 |
| WEITZ INVESTMENT MANAGEMENT, INC. 1.28% of their portfolio | 367.7k $18.5m | Unchanged |
| VALUE HOLDINGS MANAGEMENT CO. LLC 3.03% of their portfolio | 360.9k $18.1m | Unchanged |
| Public Sector Pension Investment Board 0.05% of their portfolio | 349.2k $17.6m | Reduced -48.2k |
| WCM INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio | 346.6k $17.2m | Reduced -169.7k |
| Jupiter Topco LLC 0.01% of their portfolio | 336.9k $16.9m | First filing |
| PALISADE CAPITAL MANAGEMENT, LP 0.73% of their portfolio | 333.9k $16.8m | Reduced -374.6k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.02% of their portfolio | 330.5k $16.6m | Added +7.0k |
| PRUDENTIAL FINANCIAL INC 0.02% of their portfolio | 310.2k $15.6m | Added +7.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 263.7k $13.3m | Added +5.1k |
| RHUMBLINE ADVISERS 0.01% of their portfolio | 261.4k $13.1m | Reduced -34.0k |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.04% of their portfolio | 247.5k $12.4m | Added +1.2k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 244.2k $12.3m | Added +213.7k |
| Legal & General Group Plc 0.00% of their portfolio | 240.7k $12.1m | Reduced -5.8k |
| River Road Asset Management, LLC 0.13% of their portfolio | 231.2k $11.6m | Reduced -36.0k |
| Assenagon Asset Management S.A. 0.01% of their portfolio | 220.1k $11.1m | Reduced -186.1k |
| Swiss National Bank 0.01% of their portfolio | 203.3k $10.2m | Unchanged |
| NORDEA INVESTMENT MANAGEMENT AB 0.01% of their portfolio | 201.1k $10.0m | Reduced -14.2k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 190.4k $9.6m | Reduced -14.9k |
| Allianz Asset Management GmbH 0.01% of their portfolio | 190.1k $7.8m | Unchanged |
| Kopion Asset Management, LLC 5.74% of their portfolio | 180.5k $9.1m | Reduced -845 |
| RENAISSANCE TECHNOLOGIES LLC 0.01% of their portfolio | 177.9k $8.9m | Reduced -172.4k |
| DekaBank Deutsche Girozentrale 0.01% of their portfolio | 167.3k $6.7m | Unchanged |
| California Public Employees Retirement System 0.00% of their portfolio | 164.1k $8.3m | Reduced -14.9k |
| OSAIC HOLDINGS, INC. 0.01% of their portfolio | 162.0k $8.1m | Reduced -18.9k |
| Bridge City Capital, LLC 1.80% of their portfolio | 156.7k $7.9m | Added +18.3k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 151.0k $7.7m | Reduced -92.3k |
| CITIGROUP INC 0.00% of their portfolio | 150.5k $7.6m | Added +3.8k |
| EULAV Asset Management 0.23% of their portfolio | 141.8k $7.1m | Reduced -23 |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.13% of their portfolio | 135.4k $6.8m | New |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 129.5k $6.5m | Reduced -2.8k |
| BESSEMER GROUP INC 0.01% of their portfolio | 128.5k $6.5m | Reduced -18 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 126.9k $6.4m | Added +57.1k |
| SEIZERT CAPITAL PARTNERS, LLC 0.26% of their portfolio | 126.0k $6.3m | Added +9.8k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 116.3k $5.8m | Added +42.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio | 114.8k $5.8m | Reduced -7.9k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 113.2k $5.7m | Reduced -179.0k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 112.4k $5.7m | Added +49.6k |
| UniSuper Management Pty Ltd 0.03% of their portfolio | 112.0k $5.6m | Added +2.1k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 111.4k $5.6m | Added +12.6k |
| Quantinno Capital Management LP 0.01% of their portfolio | 104.6k $5.3m | Added +22.0k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.00% of their portfolio | 101.6k $5.1m | Added +8.5k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 97.8k $4.9m | Added +4.0k |
| Aristides Capital LLC 1.20% of their portfolio | 93.5k $4.7m | Added +7.0k |
| Cambridge Investment Research Advisors, Inc. 0.01% of their portfolio | 88.3k $4.4m | Added +42.4k |
| Creative Planning 0.00% of their portfolio | 84.9k $4.3m | Added +23.7k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 82.1k $4.1m | Reduced -4.5k |
| CANADA LIFE ASSURANCE Co 0.01% of their portfolio | 81.7k $4.1m | Reduced -4.1k |
| HANTZ FINANCIAL SERVICES, INC. 0.05% of their portfolio | 79.4k $4.0m | Reduced -2.2k |
| NISA INVESTMENT ADVISORS, LLC 0.01% of their portfolio | 77.3k $3.9m | Added +1.3k |
| Emerald Investment Advisers, LLC 0.26% of their portfolio | 76.7k $3.9m | Added +4.8k |
| WOODMONT INVESTMENT COUNSEL LLC 0.21% of their portfolio | 76.3k $3.8m | Added +917 |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 75.3k $3.8m | Reduced -535.9k |
| Fisher Asset Management, LLC 0.00% of their portfolio | 75.1k $3.8m | Reduced -9.6k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 73.4k $3.7m | Added +603 |
| Penserra Capital Management LLC 0.03% of their portfolio | 70.2k $3.5m | Reduced -8.8k |