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Insider TradesSuperinvestorsGrand Portfolio
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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

GRMNXXXX

Superinvestors

Institutional investors holding GRMNXXXX

Consensus →
InvestorFundWeightSharesValueQuarter
Chase ColemanTiger Global Management1.17%155,000$16.3M2006Q2
Viking Global InvestorsViking Global Investors0.67%502,500$10.0M2001Q1
William Von MuefflingCantillon Capital Management0.11%30,000$1.3M2004Q1
Kenneth FisherFisher Asset Management0.07%579,132$22.4M2010Q1
Jensen Investment ManagementJensen Investment Management0.00%3,200$121K2009Q3
Christopher DavisDavis Selected Advisers0.00%0$1.9M2009Q4

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.