ACI WORLDWIDE INC (ACIW) Institutional Ownership Changes & 13F Activity

ACI WORLDWIDE INC (ACIW). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Sequoia Financial Advisors, Vulcan Value Partners, and Parnassus Endeavor Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy332,600350,333$14,367,156
Q4 2025Renaissance Technologies LLCSell-191,10017,733$847,815
Q4 2025Sequoia Financial AdvisorsBuy5,9865,986$286,191
Q2 2022Renaissance Technologies LLCSell-69,100208,833$5,407
Q1 2022Renaissance Technologies LLCBuy122,409277,933$8,752
Q3 2021Renaissance Technologies LLCBuy89,691155,524$4,779
Q2 2021Renaissance Technologies LLCSell-418,10065,833$2,445
Q3 2020Vulcan Value PartnersSell-53,6071,116,718$29,180
Q2 2020Vulcan Value PartnersBuy320,3241,170,325$31,587
Q1 2020Parnassus Endeavor FundSell-2,064,448911,835$22,021
Q1 2020Vulcan Value PartnersSell-181,958850,001$20,528
Q4 2019Vulcan Value PartnersSell-676,0381,031,959$39,096
Q4 2019Parnassus Endeavor FundBuy367,0312,976,283$112,756
Q3 2019Parnassus Endeavor FundBuy745,3082,609,252$81,735
Q3 2019Vulcan Value PartnersSell-9,2221,707,997$53,503
Q2 2019Parnassus Endeavor FundBuy334,5111,863,944$64,008
Q2 2019Vulcan Value PartnersSell-165,7201,717,219$58,969
Q1 2019Vulcan Value PartnersSell-1,165,5361,882,939$61,892
Q1 2019Renaissance Technologies LLCBuy446,499483,933$15,907
Q4 2018Vulcan Value PartnersSell-1,389,1443,048,475$84,351
Q4 2018Parnassus Endeavor FundBuy878,9831,529,433$42,319
Q4 2018Renaissance Technologies LLCSell-423,09937,434$1,036
Q3 2018Vulcan Value PartnersSell-1,199,1964,437,619$124,875
Q3 2018Parnassus Endeavor FundBuy277,211650,450$18,304
Q2 2018Vulcan Value PartnersSell-404,2215,636,815$139,060
Q2 2018Parnassus Endeavor FundBuy373,239373,239$9,208
Q1 2018Renaissance Technologies LLCBuy368,100460,533$10,924
Q1 2018Vulcan Value PartnersSell-357,1746,041,036$143,293
Q4 2017Vulcan Value PartnersSell-768,9916,398,210$145,047
Q4 2017Renaissance Technologies LLCSell-124,20092,433$2,095

Frequently asked questions about ACIW activity

  • Which institutional owners are buying ACIW?

    Institutional owners buying ACIW include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in ACIW activity?

    "Buy" means an investor increased their reported position in ACIW compared to the prior reporting period. This reflects growing exposure to ACI WORLDWIDE INC (ACIW) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in ACIW increasing?

    Institutional interest in ACIW can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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