DH
DataHeimdall
Insider TradesSuperinvestorsGrand Portfolio
DH
DataHeimdall

Financial transparency data from public SEC filings.

Product

  • Insider Trades
  • Grand Portfolio

Company

  • About
  • Blog
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  • Disclaimer
© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

HOLX

Superinvestors

Institutional investors holding HOLX

Consensus →
InvestorFundWeightSharesValueQuarter
Harry BurnSound Shore2.98%1,337,653$90.3M2025Q3
David KatzMatrix Asset Advisors1.93%506,181$16.7M2015Q1
Viking Global InvestorsViking Global Investors0.82%1,925,000$42.0M2008Q2
Meridian / ArrowMarkMeridian Contrarian Fund0.79%992,370$64.0M2022Q3
Kahn Brothers GroupKahn Brothers Group0.25%19,757$1.2M2025Q1
Jensen Investment ManagementJensen Investment Management0.03%28,000$2.1M2025Q4
Richard PzenaPzena Investment Management0.00%3,964$300K2026Q1
Kenneth FisherFisher Asset Management0.00%7,029$474K2025Q3
First Eagle Investment ManagementFirst Eagle Investment Management0.00%17,000$366K2014Q1

Congressional Activity

Congressional data coming soon

Insider Activity

142

Total trades

$0

Volume

9

Buys

133

Sells

Last trade: Apr 7, 2026

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.