Who owns ACI Worldwide (ACIW)
Which tracked institutional funds hold ACIW, how they are positioned, and who is buying versus exiting — from SEC Form 13F-HR filings. See ACIW company fundamentals →
Ownership as of the 2026-Q2 13F filings (latest filed 2026-09-22). 13F is disclosed up to 45 days after quarter-end, so the most recent quarter fills in over the following weeks.
How the tape is positioned
119 tracked funds added or opened ACIW while 71 trimmed or exited it between 2026-Q1 and 2026-Q2 — the tape is split. When large holders disagree on a name, the funds moving first are sometimes ahead of the story.
A prompt to read the filings, not a verdict. 13F is a quarter-end snapshot disclosed up to 45 days late; a fund adds or exits for mandate, benchmark, and timing reasons that have nothing to do with a view on the stock. This is a starting question, not a signal to trade.
Conviction spread
ACIW’s largest tracked holder by dollar value, BlackRock, Inc., sizes it at 0.0% of its own reported 13F book, while the median holder sizes it at 0.0% of theirs — a 0.0pp conviction gap — its largest holder concentrates the name more heavily than the typical one.
Book-share is each fund’s reported value in ACIW divided by its whole reported 13F book, so it is comparable across funds of different sizes and is unaffected by stock splits. A higher share means a fund has committed more of its book to the name — a starting question about conviction, not a verdict or a signal to trade.
Institutional & insider positioning
Between 2026-Q1 and 2026-Q2, across 347 tracked filers holding ACIW, 186 increased or opened the position and 195 reduced or closed it; over the same quarter, there were no open-market insider Form 4s.
This fuses two public signals for the same quarter — how tracked institutions changed their positions and whether insiders bought or sold in the open market. It describes what was filed; it is a starting question, not a verdict or a signal to trade.
New buyers & exits
Funds opening or closing a position in ACIW between the 2026-Q1 and 2026-Q2 13F filings, and the largest changes among funds holding it in both. New buyers and exits are counted on fund presence (split-invariant); adds and trims are measured on reported value.
New buyers 6
- VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.$20M
- Jupiter Topco LLC$17M
- SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC$7M
- AXQ CAPITAL, LP$977K
- Bridgewater Associates, LP$957K
- USS Investment Management Ltd$855K
Full exits 41
- Global Alpha Capital Management Ltd.$38M
- WELLINGTON MANAGEMENT GROUP LLP$19M
- PUBLIC EMPLOYEES RETIREMENT ASSOCIATION OF COLORADO$16M
- VALUE HOLDINGS MANAGEMENT CO. LLC$15M
- JANUS HENDERSON GROUP PLC$13M
- Qube Research & Technologies Ltd$10M
Largest adds
- FMR LLC$240M
- BlackRock, Inc.$204M
- VANGUARD PORTFOLIO MANAGEMENT LLC$78M
- FRANKLIN RESOURCES INC$65M
- FULLER & THALER ASSET MANAGEMENT, INC.$49M
- STATE STREET CORP$46M
Largest trims
- TWO SIGMA INVESTMENTS, LP$21M
- NORGES BANK$18M
- PALISADE CAPITAL MANAGEMENT, LP$12M
- Assenagon Asset Management S.A.$11M
- Squarepoint Ops LLC$7M
- D. E. Shaw & Co., Inc.$6M
Institutional holders
One row per tracked fund, most shares held first (every row is from one quarter; reported value breaks ties). “% of value” is the fund’s share of this security’s tracked institutional value — not of shares outstanding.
| Fund | Shares | Reported value | % of value | Quarter |
|---|---|---|---|---|
| BlackRock, Inc. added | 16,381,401 | $824M | 16.5% | 2026-Q2 |
| VANGUARD PORTFOLIO MANAGEMENT LLC added | 8,112,057 | $408M | 8.1% | 2026-Q2 |
| FRANKLIN RESOURCES INC added | 6,695,164 | $337M | 6.7% | 2026-Q2 |
| FMR LLC added | 6,545,875 | $329M | 6.6% | 2026-Q2 |
| VANGUARD CAPITAL MANAGEMENT LLC added | 4,586,998 | $231M | 4.6% | 2026-Q2 |
| STATE STREET CORP added | 4,294,891 | $216M | 4.3% | 2026-Q2 |
| GEODE CAPITAL MANAGEMENT, LLC added | 3,398,962 | $171M | 3.4% | 2026-Q2 |
| DIMENSIONAL FUND ADVISORS LP added | 3,155,479 | $159M | 3.2% | 2026-Q2 |
| FULLER & THALER ASSET MANAGEMENT, INC. added | 2,732,368 | $137M | 2.7% | 2026-Q2 |
| North Reef Capital Management LP added | 2,617,000 | $132M | 2.6% | 2026-Q2 |
| REINHART PARTNERS, LLC. added | 2,424,247 | $122M | 2.4% | 2026-Q2 |
| Hood River Capital Management LLC trimmed | 2,329,869 | $117M | 2.3% | 2026-Q2 |
| ALLIANCEBERNSTEIN L.P. added | 2,327,825 | $95M | 1.9% | 2026-Q2 |
| MORGAN STANLEY added | 2,103,315 | $106M | 2.1% | 2026-Q2 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP trimmed | 1,760,554 | $89M | 1.8% | 2026-Q2 |
| LONDON CO OF VIRGINIA trimmed | 1,594,274 | $80M | 1.6% | 2026-Q2 |
| CONGRESS ASSET MANAGEMENT CO trimmed | 1,592,306 | $80M | 1.6% | 2026-Q2 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC added | 1,342,245 | $68M | 1.3% | 2026-Q2 |
| NORGES BANK trimmed | 1,308,947 | $66M | 1.3% | 2026-Q2 |
| NORTHERN TRUST CORP added | 1,271,070 | $64M | 1.3% | 2026-Q2 |
| PRICE T ROWE ASSOCIATES INC /MD/ added | 1,116,210 | $56M | 1.1% | 2026-Q2 |
| RICE HALL JAMES & ASSOCIATES, LLC added | 1,006,595 | $51M | 1.0% | 2026-Q2 |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. trimmed | 961,578 | $48M | 1.0% | 2026-Q2 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ trimmed | 777,849 | $39M | 0.8% | 2026-Q2 |
| GOLDMAN SACHS GROUP INC added | 744,192 | $37M | 0.7% | 2026-Q2 |
| VANGUARD FIDUCIARY TRUST CO added | 730,372 | $37M | 0.7% | 2026-Q2 |
| VOYA INVESTMENT MANAGEMENT LLC trimmed | 725,274 | $36M | 0.7% | 2026-Q2 |
| Bank of New York Mellon Corp added | 635,292 | $32M | 0.6% | 2026-Q2 |
| AQR CAPITAL MANAGEMENT LLC added | 612,982 | $31M | 0.6% | 2026-Q2 |
| PRINCIPAL FINANCIAL GROUP INC added | 598,930 | $30M | 0.6% | 2026-Q2 |
| SEI INVESTMENTS CO added | 585,920 | $29M | 0.6% | 2026-Q2 |
| NORTH STAR ASSET MANAGEMENT INC trimmed | 579,211 | $29M | 0.6% | 2026-Q2 |
| Nuveen, LLC trimmed | 578,122 | $29M | 0.6% | 2026-Q2 |
| Aristotle Capital Boston, LLC trimmed | 551,926 | $28M | 0.6% | 2026-Q2 |
| BANK OF AMERICA CORP /DE/ trimmed | 544,662 | $27M | 0.5% | 2026-Q2 |
| Invesco Ltd. added | 537,839 | $27M | 0.5% | 2026-Q2 |
| MetLife Investment Management, LLC added | 531,242 | $27M | 0.5% | 2026-Q2 |
| Swedbank AB trimmed | 444,112 | $22M | 0.4% | 2026-Q2 |
| SEGALL BRYANT & HAMILL, LLC added | 441,958 | $22M | 0.4% | 2026-Q2 |
| CITADEL ADVISORS LLC added | 441,204 | $22M | 0.4% | 2026-Q2 |
| VICTORY CAPITAL MANAGEMENT INC added | 439,979 | $22M | 0.4% | 2026-Q2 |
| ENVESTNET ASSET MANAGEMENT INC trimmed | 427,631 | $22M | 0.4% | 2026-Q2 |
| UBS Group AG trimmed | 424,816 | $21M | 0.4% | 2026-Q2 |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. new | 394,318 | $20M | 0.4% | 2026-Q2 |
| WEITZ INVESTMENT MANAGEMENT, INC. | 367,700 | $18M | 0.4% | 2026-Q2 |
| Public Sector Pension Investment Board trimmed | 349,242 | $18M | 0.4% | 2026-Q2 |
| WCM INVESTMENT MANAGEMENT, LLC trimmed | 346,593 | $17M | 0.3% | 2026-Q2 |
| Jupiter Topco LLC new | 336,864 | $17M | 0.3% | 2026-Q2 |
| PALISADE CAPITAL MANAGEMENT, LP trimmed | 333,856 | $17M | 0.3% | 2026-Q2 |
| NEW YORK STATE COMMON RETIREMENT FUND added | 330,523 | $17M | 0.3% | 2026-Q2 |
| PRUDENTIAL FINANCIAL INC added | 310,152 | $16M | 0.3% | 2026-Q2 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC added | 263,748 | $13M | 0.3% | 2026-Q2 |
| RHUMBLINE ADVISERS trimmed | 261,395 | $13M | 0.3% | 2026-Q2 |
| HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC added | 247,533 | $12M | 0.2% | 2026-Q2 |
| MILLENNIUM MANAGEMENT LLC added | 244,164 | $12M | 0.2% | 2026-Q2 |
| Legal & General Group Plc trimmed | 240,704 | $12M | 0.2% | 2026-Q2 |
| River Road Asset Management, LLC trimmed | 231,193 | $12M | 0.2% | 2026-Q2 |
| Swiss National Bank | 203,300 | $10M | 0.2% | 2026-Q2 |
| NORDEA INVESTMENT MANAGEMENT AB trimmed | 201,094 | $10M | 0.2% | 2026-Q2 |
| AMERIPRISE FINANCIAL INC trimmed | 190,449 | $10M | 0.2% | 2026-Q2 |
| Allianz Asset Management GmbH | 190,051 | $8M | 0.2% | 2026-Q2 |
| Kopion Asset Management, LLC trimmed | 180,470 | $9M | 0.2% | 2026-Q2 |
| RENAISSANCE TECHNOLOGIES LLC trimmed | 177,933 | $9M | 0.2% | 2026-Q2 |
| California Public Employees Retirement System trimmed | 164,058 | $8M | 0.2% | 2026-Q2 |
| OSAIC HOLDINGS, INC. trimmed | 161,977 | $8M | 0.2% | 2026-Q2 |
| Bridge City Capital, LLC added | 156,685 | $8M | 0.2% | 2026-Q2 |
| JPMORGAN CHASE & CO trimmed | 150,953 | $8M | 0.2% | 2026-Q2 |
| CITIGROUP INC added | 150,527 | $8M | 0.2% | 2026-Q2 |
| EULAV Asset Management trimmed | 141,800 | $7M | 0.1% | 2026-Q2 |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC added | 135,410 | $7M | 0.1% | 2026-Q2 |
| WELLS FARGO & COMPANY/MN added | 126,904 | $6M | 0.1% | 2026-Q2 |
| SEIZERT CAPITAL PARTNERS, LLC added | 125,986 | $6M | 0.1% | 2026-Q2 |
| Russell Investments Group, Ltd. added | 116,314 | $6M | 0.1% | 2026-Q2 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM trimmed | 114,846 | $6M | 0.1% | 2026-Q2 |
| D. E. Shaw & Co., Inc. trimmed | 113,185 | $6M | 0.1% | 2026-Q2 |
| AMERICAN CENTURY COMPANIES INC added | 112,417 | $6M | 0.1% | 2026-Q2 |
| UniSuper Management Pty Ltd added | 112,017 | $6M | 0.1% | 2026-Q2 |
| DEUTSCHE BANK AG\ added | 111,355 | $6M | 0.1% | 2026-Q2 |
| Assenagon Asset Management S.A. trimmed | 110,063 | $6M | 0.1% | 2026-Q2 |
| Quantinno Capital Management LP added | 104,571 | $5M | 0.1% | 2026-Q2 |
| VANGUARD ASSET MANAGEMENT, Ltd added | 101,573 | $5M | 0.1% | 2026-Q2 |
| RAYMOND JAMES FINANCIAL INC added | 97,776 | $5M | 0.1% | 2026-Q2 |
| Aristides Capital LLC added | 93,494 | $5M | 0.1% | 2026-Q2 |
| Creative Planning added | 84,888 | $4M | 0.1% | 2026-Q2 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. trimmed | 82,125 | $4M | 0.1% | 2026-Q2 |
| NISA INVESTMENT ADVISORS, LLC added | 77,327 | $4M | 0.1% | 2026-Q2 |
| Emerald Investment Advisers, LLC added | 76,681 | $4M | 0.1% | 2026-Q2 |
| WOODMONT INVESTMENT COUNSEL LLC added | 76,283 | $4M | 0.1% | 2026-Q2 |
| TWO SIGMA INVESTMENTS, LP trimmed | 75,310 | $4M | 0.1% | 2026-Q2 |
| Fisher Asset Management, LLC trimmed | 75,087 | $4M | 0.1% | 2026-Q2 |
| STIFEL FINANCIAL CORP added | 73,410 | $4M | 0.1% | 2026-Q2 |
| Pathstone Holdings, LLC added | 61,979 | $3M | 0.1% | 2026-Q2 |
| FIRST TRUST ADVISORS LP trimmed | 59,706 | $3M | 0.1% | 2026-Q2 |
| SCOTIA CAPITAL INC. added | 54,761 | $3M | 0.1% | 2026-Q2 |
| WEDGE CAPITAL MANAGEMENT L L P/NC trimmed | 53,984 | $3M | 0.1% | 2026-Q2 |
| Illinois Municipal Retirement Fund added | 53,880 | $3M | 0.1% | 2026-Q2 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE added | 53,733 | $3M | 0.1% | 2026-Q2 |
| FIFTH THIRD BANCORP trimmed | 51,331 | $3M | 0.1% | 2026-Q2 |
| Corient Private Wealth LP added | 51,131 | $3M | 0.1% | 2026-Q2 |
| B. Metzler seel. Sohn & Co. AG | 51,027 | $3M | 0.1% | 2026-Q2 |
Ownership over time
Tracked institutional holder count and total shares held by filing quarter (independent scales). The curated-era tail and any mid-ingest latest quarter are handled honestly — a partial quarter is not drawn as a collapse.
Reading this table
Funds hold the same stock for different reasons — an index fund “holds” almost everything, an active manager sizes a name to a mandate and a benchmark, and each fund entered at its own price and time. Because 13F is filed up to 45 days after quarter-end, every row is a backward-looking snapshot; a manager may have traded since. Share-class siblings (a company’s A and C shares) are rolled up to one line so a dual-class name is never double-counted. Compare like-for-like. A large holder is not an endorsement, and a fund exiting is not a warning — this is a starting question, not a verdict.
About 13F filings
A Form 13F is a quarterly disclosure that institutional investment managers with over $100 million in US-listed equities must file with the SEC. In plain English: it is a snapshot of the long stock positions a fund held at the end of a quarter. It covers long US-listed equities only — not short positions, options, cash, or private holdings — and the funds shown are the large sample we track, not the complete 13F universe.