Oberweis Asset Management’s ACI Worldwide ACIW Stock Holding History

Oberweis Asset Management’s Portfolio ACIW Stock Details ACIW Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-330,702	Closed	-$15.8M	–	180
2025 Q4	$15.8M	Hold	330,702	–	–	0.58%	65
2025 Q3	$17.5M	Sell	330,702 -900	-0.3%	-$42.5K	0.67%	57
2025 Q2	$15.2M	Sell	331,602 -54,600	-14%	-$2.68M	0.66%	58
2025 Q1	$21.1M	Buy	386,202 +53,190	+16%	+$2.82M	1.05%	27
2024 Q4	$17.3M	Buy	333,012 +127,300	+62%	+$6.77M	0.81%	40
2024 Q3	$10.5M	Sell	205,712 -206,950	-50%	-$9.46M	0.54%	70
2024 Q2	$16.3M	Buy	412,662 +68,100	+20%	+$2.37M	1%	22
2024 Q1	$11.4M	Buy	344,562 +200,300	+139%	+$6.19M	0.83%	39
2023 Q4	$4.41M	Buy	+144,262	New	+$3.61M	0.41%	100

Other funds holding ACIW

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

HRCM

Hood River Capital Management Palm Beach Gardens, Florida $13.8B AUM 163.97% 1-Year Est. Return

AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return

Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Oberweis Asset Management's ACIW Position: Q1 2026 in Review

Oberweis Asset Management sold out of ACI Worldwide (ACIW) in Q1 2026, closing a stake of 330,702 shares — an estimated $15.8M sold.

Oberweis Asset Management first reported a position in ACIW in Q4 2023 and held it in 9 quarters. The position peaked at $21.1M in Q1 2025. 382 funds tracked by Wall St. Rank hold ACIW as of Q1 2026.

Oberweis Asset Management reported no remaining ACI Worldwide position as of Q1 2026 after selling out during the quarter.
Oberweis Asset Management sold 330,702 ACI Worldwide shares in Q1 2026, an estimated $15.8M.
Oberweis Asset Management first reported a position in ACI Worldwide in Q4 2023 and held it in 9 quarters.
Oberweis Asset Management's ACI Worldwide position peaked at $21.1M in Q1 2025.
382 funds tracked by Wall St. Rank held ACI Worldwide as of Q1 2026.

Based on Oberweis Asset Management's 13F filing for Q1 2026, filed 15 May 2026.