EQUIFAX INC (EFX) Stock Institutional Trading Activity


EQUIFAX INC (EFX) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Jensen Investment Management, Cantillon Capital Management, Meritage Group, Lindsell Train, and AKO Capital. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q3 2017Viking Global InvestorsBuy537,806537,806$57,002
Q3 2017Cantillon Capital ManagementBuy1,173,6582,083,559$220,837
Q2 2017Jensen Investment ManagementSell-7,725135,466$18,616
Q2 2017Parnassus Endeavor FundBuy112,500447,500$61,495
Q2 2017Renaissance Technologies LLCBuy21,355120,550$16,566
Q2 2017Cantillon Capital ManagementBuy119,982909,901$125,039
Q1 2017Jensen Investment ManagementSell-1,646143,191$19,580
Q1 2017Parnassus Endeavor FundBuy30,000335,000$45,808
Q1 2017Renaissance Technologies LLCSell-228,20099,195$13,564
Q1 2017Cantillon Capital ManagementBuy284,929789,919$108,013
Q4 2016Jensen Investment ManagementSell-4,860144,837$17,124
Q4 2016Parnassus Endeavor FundBuy135,000305,000$36,060
Q4 2016Renaissance Technologies LLCBuy308,900327,395$38,708
Q4 2016Cantillon Capital ManagementBuy504,990504,990$59,704
Q3 2016Jensen Investment ManagementSell-3,591149,697$20,146
Q3 2016Parnassus Endeavor FundBuy62,500170,000$22,879
Q3 2016Renaissance Technologies LLCSell-70,00018,495$2,489
Q2 2016Jensen Investment ManagementSell-3,285153,288$19,682
Q2 2016Parnassus Endeavor FundBuy7,500107,500$13,803
Q2 2016Renaissance Technologies LLCSell-46,10088,495$11,363
Q1 2016Jensen Investment ManagementSell-3,168156,573$17,895
Q1 2016Parnassus Endeavor FundBuy30,000100,000$11,429
Q1 2016Renaissance Technologies LLCSell-199,800134,595$15,383
Q4 2015Jensen Investment ManagementSell-14,175159,741$17,790
Q4 2015Renaissance Technologies LLCSell-60,125334,395$37,242
Q3 2015Jensen Investment ManagementSell-1,103,477173,916$16,901
Q3 2015Olstein Capital ManagementSell-19,00030,000$2,915
Q3 2015Renaissance Technologies LLCBuy286,425394,520$38,339
Q2 2015Jensen Investment ManagementSell-1,241,5341,277,393$124,022
Q2 2015Olstein Capital ManagementSell-3,00049,000$4,757

Frequently asked questions about EFX activity

  • Which institutional owners are buying EFX?

    Institutional owners buying EFX 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 EFX activity?

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

  • Is institutional interest in EFX increasing?

    Institutional interest in EFX 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.