Stock Ownership/ACIW

ACI WORLDWIDE INC (ACIW): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in ACIW · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
14
13F filers
Aggregate Value
$179.3M
Across holders
Last Price
$52.41
2026-08-24
Sector
Information Technology
GICS
Quarterly fund activity7 increased7 reduced5 exited
Full exits: Lighthouse Investment Partners, LLC, BALYASNY ASSET MANAGEMENT LLC, Qube Research & Technologies Ltd, CAPSTONE INVESTMENT ADVISORS, LLC, Brevan Howard Capital Management LP
Institutional Holders of ACIW
↗
14 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.76M$88.5M49.4%0.0%Reduced$-430KQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund613K$30.6M17.0%0.0%Added+$30.6MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund441K$22.2M12.4%0.0%Added+$21.5MQ2 2026
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
Hedge Fund244K$12.3M6.8%0.0%Added+$10.7MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund178K$8.9M5.0%0.0%Reduced$-8.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund113K$5.7M3.2%0.0%Reduced+$591KQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund75K$3.8M2.1%0.0%Reduced$-27.0MQ2 2026
Fisher Asset Management, LLC
CIK 0000850529
Institutional Manager75K$3.8M2.1%0.0%Reduced$-485KQ2 2026
Magnetar Financial LLC
CIK 0001352851
Hedge Fund19K$958K0.5%0.0%Added+$420KQ2 2026
Bridgewater Associates, LP
CIK 0001350694
Hedge Fund19K$957K0.5%0.0%Added—Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPReduced
Hedge Fund
$88.5M· 49.4% of total· 0.0% port· 1.76M sh· $-430K QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$30.6M· 17.0% of total· 0.0% port· 613K sh· +$30.6M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$22.2M· 12.4% of total· 0.0% port· 441K sh· +$21.5M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$12.3M· 6.8% of total· 0.0% port· 244K sh· +$10.7M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$8.9M· 5.0% of total· 0.0% port· 178K sh· $-8.7M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$5.7M· 3.2% of total· 0.0% port· 113K sh· +$591K QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPReduced
Hedge Fund
$3.8M· 2.1% of total· 0.0% port· 75K sh· $-27.0M QoQ· Q2 2026
Fisher Asset Management, LLCReduced
Institutional Manager
$3.8M· 2.1% of total· 0.0% port· 75K sh· $-485K QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$958K· 0.5% of total· 0.0% port· 19K sh· +$420K QoQ· Q2 2026
Bridgewater Associates, LPAdded
Hedge Fund
$957K· 0.5% of total· 0.0% port· 19K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$661K· 0.4% of total· 0.0% port· 13K sh· $-785K QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$654K· 0.4% of total· 0.0% port· 13K sh· $-8.2M QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$335K· 0.2% of total· 0.0% port· 7K sh· +$44K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$6K· 0.0% of total· 0.0% port· 130 sh· — QoQ· Q2 2026
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