Skip to main content
ACIW logo

ACIW · Aci Worldwide, Inc.

Track ACIW — free
$53.04 +0.64 (+1.22%) At close · Aug 26
Market Cap
$5.35B
Shares
100.96M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 375
Total Value: $5,226,935,761
Total Shares: 104,103,024

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 375 13F filers · Δ vs Mar 31, 2026
Top Holder
15.8%
Sep 2023 → Jun 2026 · range 12.8% – 18.8%
−1.1 pts
Top 5
40.7%
Sep 2023 → Jun 2026 · range 40.1% – 45.4%
+0.6 pts
Top 10
56.3%
Sep 2023 → Jun 2026 · range 52.8% – 58.9%
+3.5 pts
HHI
503
Sep 2023 → Jun 2026 · range 503 – 648
Broadly held−3

Quarterly Activity

vs Mar 31, 2026
New
50
Increased
144
Decreased
130
Sold Out
56
Unchanged
51
Holder count: -6
Institutional value: +26.5%
Shares held: +3.3%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 377
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 935036 CUSIP 004498101 13F (30d) 308 filings 306 filers Visit website Investor relations