ACIW Institutional Ownership
Who owns Aci Worldwide, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 381 funds reported holding ACIW at Jun 30, 2026, together owning 103.4% of the company.
- ●191 buying vs 180 selling
- ▲Held by funds +3.6 pts
- ●Funds holding -3
- ▲Superinvestors: 3 added, 1 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 381 | 384 | −0.8% |
| In funds' top 10 | 4 | 4 | 0.0% |
| 13F shares | 104M | 101M | +3.6% |
| Held by funds | 103.4% | 99.8% | +3.6 pts |
| New positions | 46 | 40 | +15.0% |
| Increased | 145 | 157 | −7.6% |
| Reduced | 132 | 128 | +3.1% |
| Sold out | 48 | 65 | −26.2% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in ACIW
All superinvestors →
Who owns ACIW
share of fund held shares- Index and passive funds42.4%
- Active managers and hedge funds46.7%
- Banks and brokers7.6%
- Pensions, insurers and other3.3%
The top 10 holders own 56.1% of all ACIW shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
93 funds changed their position- Channing Capital Management, LLCNew+1.6M sh
- Reinhart Partners, Llc.Trimmed−1M sh
- DekaBank Deutsche GirozentraleTrimmed−164K sh
- Assenagon Asset Management S.A.Trimmed−146K sh
- Congress Asset Management CoAdded+145K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 16.23% | 16.4M | $824M | −637K |
| 2 | Vanguard Portfolio Management LLC | 8.04% | 8.1M | $408M | +56K |
| 3 | Franklin Resources Inc | 6.63% | 6.7M | $337M | +79K |
| 4 | Fmr LLC | 6.48% | 6.5M | $329M | +4.4M |
| 5 | Vanguard Capital Management LLC | 4.54% | 4.6M | $231M | +46K |
| 6 | State Street Corp | 4.25% | 4.3M | $216M | +144K |
| 7 | Geode Capital Management, LLC | 3.37% | 3.4M | $171M | +224K |
| 8 | Dimensional Fund Advisors LP | 3.13% | 3.2M | $159M | +342K |
| 9 | Fuller & Thaler Asset Management, Inc. | 2.71% | 2.7M | $137M | +583K |
| 10 | North Reef Capital Management LP | 2.59% | 2.6M | $132M | +387K |
- Fmr LLC+4.4M sh+$220M
- Norges Bank+1.3M sh+$65.8M
- Fuller & Thaler Asset Management, Inc.+583K sh+$29.3M
- Van Lanschot Kempen Investment Management N.v.+394K sh+$19.8M
- Citadel Advisors LLC+392K sh+$19.7M
- North Reef Capital Management LP+387K sh+$19.5M
- Dimensional Fund Advisors LP+342K sh+$17.2M
- Alliancebernstein L.P.+299K sh+$12.3M
- Global Alpha Capital Management Ltd.−916K sh−$37.6M
- BlackRock, Inc.−637K sh−$32M
- Two Sigma Investments, LP−536K sh−$27M
- Palisade Capital Management, LP−375K sh−$18.8M
- Wellington Management Group LLP−457K sh−$18.7M
- Congress Asset Management Co−242K sh−$12.1M
- Qube Research & Technologies Ltd−255K sh−$10.5M
- Assenagon Asset Management S.A.−186K sh−$9.4M
ACIW institutional ownership FAQ
Who owns the most ACIW stock?
In Q2 2026 13F filings the largest holder of ACIW was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and Franklin Resources Inc. Index fund managers are usually the biggest holders of large companies.
What percentage of ACIW is owned by institutions?
Funds that file 13F reports held 103.4% of ACIW's shares at Jun 30, 2026, compared with 99.8% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying ACIW?
In Q2 2026, 191 funds bought ACIW (46 of them new positions) and 180 sold (48 sold out completely). Among well known investors, 3 added and 1 cut. Our fund sentiment for ACIW is bullish.
What is ACIW's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this ACIW ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.