ACI Worldwide
ACIW
403 hedge funds and large institutions have $4.89B invested in ACI Worldwide in 2025 Q4 according to their latest regulatory filings, with 58 funds opening new positions, 139 increasing their positions, 152 reducing their positions, and 45 closing their positions.
29% more first-time investments, than exits
New positions opened: 58 | Existing positions closed: 45
1% more funds holding
Funds holding: 400 → 403 (+3)
9% less repeat investments, than reductions
Existing positions increased: 139 | Existing positions reduced: 152
2.39% less ownership
Funds ownership: 101.61% → 99.22% (-2.4%)
8% less capital invested
Capital invested by funds: $5.31B → $4.89B (-$423M)
40% less funds holding in top 10
Funds holding in top 10: 5 → 3 (-2)
93% less call options, than puts
Call options by funds: $86K | Put options by funds: $1.3M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fuller & Thaler Asset Management
San Mateo,
California
|
+$41.8M |
| 2 |
Fidelity Investments
Boston,
Massachusetts
|
+$35.7M |
| 3 |
Two Sigma Investments
New York
|
+$24.5M |
| 4 |
Assenagon Asset Management
Senningerberg,
Luxembourg
|
+$23.3M |
| 5 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$15.8M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Franklin Resources
San Mateo,
California
|
-$185M |
| 2 |
Millennium Management
New York
|
-$59.4M |
| 3 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$55.4M |
| 4 |
American Century Companies
Kansas City,
Missouri
|
-$37.9M |
| 5 |
LCOV
London Company of Virginia
Richmond,
Virginia
|
-$16.1M |
ACIW Hedge Fund Activity: Q4 2025 in Review
403 of the 8,267 institutional investors tracked by Wall St. Rank reported a position in ACI Worldwide (ACIW) for Q4 2025, worth a combined $4.89B — down 8% from $5.31B a quarter earlier.
Buyers outnumbered sellers: 58 funds opened new ACIW positions and 45 closed out — a net gain of 13 holders — while 139 added to existing stakes and 152 trimmed.
The largest buyer was Fuller & Thaler Asset Management, adding an estimated $41.8M. The largest seller was Franklin Resources, cutting an estimated $185M.
- 403 institutional investors held ACI Worldwide (ACIW) as of Q4 2025, up from 400 in Q3 2025.
- Funds reported $4.89B of ACI Worldwide stock for Q4 2025, down 8% quarter-over-quarter.
- 58 funds opened new ACI Worldwide positions in Q4 2025 and 45 closed out, a net change of +13 holders.
- The largest ACI Worldwide buyer in Q4 2025 was Fuller & Thaler Asset Management, an estimated $41.8M added.
- The largest ACI Worldwide seller in Q4 2025 was Franklin Resources, an estimated $185M sold.
Based on aggregated 13F filings for Q4 2025.