Held by 5 tracked superinvestors.
See BSX insider (officer/director) trading →Lee Ainslie
Maverick Capital · as of 2026-06-30
$253,414,762
5,937,553 shares
Sarah Ketterer
Causeway Capital Management · as of 2026-06-30
$30,744,061
720,339 shares
Dodge & Cox Funds
Dodge & Cox Funds · as of 2026-06-30
$3,733,860
87,485 shares
Mairs & Power Funds
Mairs & Power Funds · as of 2026-06-30
$423,130
9,914 shares
Polen Capital Management
Polen Capital Management · as of 2026-06-30
$202,733
4,750 shares
Stephen Mandel
2026-06-30 · 0.1% of portfolio
Sarah Ketterer
2026-06-30 · 0.3% of portfolio
Polen Capital Management
2026-06-30 · 0.0% of portfolio
Lee Ainslie
2026-06-30 · 0.8% of portfolio
Viking Global Investors
2026-03-31 · 0.6% of portfolio
Stephen Mandel
2026-03-31 · 0.1% of portfolio
Polen Capital Management
2026-03-31 · 0.2% of portfolio
Lee Ainslie
2026-03-31 · 3.1% of portfolio
John Armitage
2026-03-31 · 5.6% of portfolio
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