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

GDT

Superinvestors

Institutional investors holding GDT

Consensus →
InvestorFundWeightSharesValueQuarter
David KatzMatrix Asset Advisors3.18%595,560$42.9M2004Q4
David TepperAppaloosa Management2.32%302,400$19.6M2005Q4

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.