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Financial transparency data from public SEC filings.

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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

CNXXXXX

Superinvestors

Institutional investors holding CNXXXXX

Consensus →
InvestorFundWeightSharesValueQuarter
Mason HawkinsLongleaf Partners – Southeastern Asset Management9.87%48,458,974$820.9M2017Q3
David EinhornGreenlight Capital6.55%22,661,081$383.9M2017Q3
Kopernik Global InvestorsKopernik Global Investors1.18%357,200$6.1M2017Q3
David TepperAppaloosa Management0.47%127,500$3.6M2008Q4
Jensen Investment ManagementJensen Investment Management0.00%32$1K2008Q4
First Eagle Investment ManagementFirst Eagle Investment Management0.00%14,110$564K2014Q1

Congressional Activity

Congressional data coming soon

Insider Activity

No insider trades in the last 90 days

Insider Tradeslast 90 days

No insider trades in the last 90 days.

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.