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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

TMK

Superinvestors

Institutional investors holding TMK

Consensus →
InvestorFundWeightSharesValueQuarter
Valley Forge Capital ManagementValley Forge Capital Management1.12%29,523$2.0M2011Q1
Tweedy Browne Co.Tweedy Browne Value Fund0.44%255,324$9.5M2020Q1
Warren BuffettBerkshire Hathaway0.27%6,353,727$568.4M2019Q2
David KatzMatrix Asset Advisors0.17%23,577$906K2000Q4
Kenneth FisherFisher Asset Management0.01%119,448$10.7M2019Q2
Christopher DavisDavis Selected Advisers0.00%0$463K2008Q2
Bill NygrenOakmark Select Fund – Harris Associates0.00%10,050$805K2017Q3
Dodge & CoxDodge & Cox0.00%9,550$250K2009Q1

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.