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Magnetar Financial’s ACI Worldwide ACIW Stock Holding History

Magnetar Financial’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 		$551K Sell
13,427
-18,826
-58% -$791K 0.01% 609
2025
Q4 		$1.54M Buy
+32,253
New +$1.56M 0.02% 382
2025
Q3 		– Sell
-14,223
Closed -$653K – 861
2025
Q2 		$653K Buy
+14,223
New +$699K ﹤0.01% 502
2025
Q1 		– Sell
-11,678
Closed -$606K – 719
2024
Q4 		$606K Sell
11,678
-2,632
-18% -$140K 0.01% 346
2024
Q3 		$728K Buy
14,310
+893
+7% +$40.8K 0.02% 305
2024
Q2 		$531K Buy
+13,417
New +$467K 0.01% 325
2021
Q2 		– Sell
-5,797
Closed -$221K – 1177
2021
Q1 		$221K Buy
+5,797
New +$229K ﹤0.01% 968
2013
Q4 		– Sell
-59,400
Closed -$1.07M – 220
2013
Q3 		$1.07M Buy
59,400
+42,297
+247% +$696K 0.02% 281
2013
Q2 		$265K Buy
+17,103
New +$259K 0.01% 334

Other funds holding ACIW

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Franklin Resources
Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
HRCM
Hood River Capital Management Palm Beach Gardens, Florida $9.98B AUM 145.42% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $309B AUM 23.92% 1-Year Est. Return
RP
Reinhart Partners Mequon, Wisconsin $4.38B AUM 55.55% 1-Year Est. Return

Magnetar Financial's ACIW Position: Q1 2026 in Review

Magnetar Financial reduced its ACI Worldwide (ACIW) stake by 58% in Q1 2026, selling an estimated $791K and leaving 13,427 shares worth $551K. The position accounts for 0.01% of the portfolio, ranked #609.

Magnetar Financial first reported a position in ACIW in Q2 2013 and has held it in 9 quarters since. The position peaked at $1.54M in Q4 2025. 379 funds tracked by Wall St. Rank hold ACIW as of Q1 2026.

  • Magnetar Financial held 13,427 shares of ACI Worldwide worth $551K as of Q1 2026.
  • Magnetar Financial sold 18,826 ACI Worldwide shares in Q1 2026, an estimated $791K.
  • ACI Worldwide made up 0.01% of Magnetar Financial's portfolio in Q1 2026, its #609 holding.
  • Magnetar Financial first reported a position in ACI Worldwide in Q2 2013 and has held it in 9 quarters since.
  • Magnetar Financial's ACI Worldwide position peaked at $1.54M in Q4 2025.
  • 379 funds tracked by Wall St. Rank held ACI Worldwide as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.