ERO COPPER CORP (ERO) Institutional Ownership Changes & 13F Activity

ERO COPPER CORP (ERO). 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, Polen Capital Management, and Causeway Capital Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy372,400420,876$11,224,763
Q1 2026Polen Capital ManagementBuy24,61570,159$1,871,141
Q4 2025Renaissance Technologies LLCSell-76,62448,476$1,371,386
Q4 2025Polen Capital ManagementBuy45,54445,544$1,288,440
Q1 2025Renaissance Technologies LLCSell-135,200125,100$1,516,212
Q4 2024Renaissance Technologies LLCBuy84,800260,300$3,508,844
Q4 2024Causeway Capital ManagementBuy16,00016,000$215,603
Q1 2022Renaissance Technologies LLCSell-193,800175,500$2,574
Q4 2021Renaissance Technologies LLCBuy226,100369,300$5,635
Q3 2021Renaissance Technologies LLCBuy123,100143,200$2,541
Q2 2021Renaissance Technologies LLCBuy20,10020,100$421

Frequently asked questions about ERO activity

  • Which institutional owners are buying ERO?

    Institutional owners buying ERO 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 ERO activity?

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

  • Is institutional interest in ERO increasing?

    Institutional interest in ERO 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.