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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

BSX

Superinvestors

Institutional investors holding BSX

Consensus →
InvestorFundWeightSharesValueQuarter
John ArmitageEgerton Capital5.58%5,385,084$513.5M2025Q4
David TepperAppaloosa Management5.44%7,797,503$41.6M2011Q4
Lee AinslieMaverick Capital3.01%2,944,254$280.7M2025Q4
David KatzMatrix Asset Advisors2.37%2,395,407$36.7M2007Q2
Polen Capital ManagementPolen Capital Management1.64%4,019,552$383.3M2025Q4
Viking Global InvestorsViking Global Investors0.64%2,509,808$239.3M2025Q4
Kenneth FisherFisher Asset Management0.30%9,138,216$871.3M2025Q4
Stephen MandelLone Pine Capital0.14%201,703$19.2M2025Q4
Mairs & PowerMairs & Power Growth Fund0.01%10,176$970K2025Q4
Dodge & CoxDodge & Cox0.00%88,885$8.5M2025Q4

Congressional Activity

Congressional data coming soon

Insider Activity

1

Total trades

$303K

Volume

0

Buys

1

Sells

Last trade: Dec 28, 2021

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.