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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

SNI

Superinvestors

Institutional investors holding SNI

Consensus →
InvestorFundWeightSharesValueQuarter
Mason HawkinsLongleaf Partners – Southeastern Asset Management5.30%7,067,745$482.8M2017Q2
Tweedy Browne Co.Tweedy Browne Value Fund0.64%275,890$23.7M2017Q3
David KatzMatrix Asset Advisors0.20%16,780$1.1M2017Q2
Bill NygrenOakmark Select Fund – Harris Associates0.00%18,133$1.2M2015Q1

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.