Who Owns Aci Worldwide Inc (ACIW)? 13F Institutional Holders (Q2 2026)

ACIW ranks #1636 out of 37503 tracked stocks by institutional interest — one of the most closely watched names in our coverage.

ACIW is a top-conviction position for North Reef Capital Management LP — at 5.0% of their entire disclosed 13F portfolio, it's one of their largest single bets, not just a passing allocation.

The largest dollar stake in ACIW belongs to BlackRock, Inc., but the position matters far more to North Reef Capital Management LP, who has 5.0% of their own portfolio riding on it — a reminder that the biggest holder by size and the holder with the biggest bet aren't always the same fund.

Fidelity has added to its ACIW position for two straight quarters, increasing it by $274.2M to reach $329.2M today.

Assenagon Asset Management S.A. has trimmed its ACIW position for two straight quarters, cutting it by $31.8M while still holding $5.5M.

ACIW is up 2.4% today, and institutions have been net buyers of $625.8M this quarter — today's price move and the underlying institutional flow are pointing the same direction.

ACIW posted net income of $225.7M over the trailing twelve months, and currently trades at a P/E of 24.4.

• Profitable — net income of $225.7M over the trailing twelve months
• Revenue grew 7.0% year over year
• Net income declined year over year, from $251.1M to $225.7M
• Generated $322.8M in positive operating cash flow
• Current ratio of 1.54x — enough short-term assets to cover short-term liabilities
• Liabilities run 1.04x equity — within a conventional range