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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

QNTA

Superinvestors

Institutional investors holding QNTA

Consensus →
InvestorFundWeightSharesValueQuarter
Donald Smith & CoDonald Smith & Co1.67%11,041,355$35.7M2008Q3
David EinhornGreenlight Capital0.50%1,172,450$9.4M2005Q1
Chuck AkreAkre Capital Management0.00%15,000$40K2007Q3

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.