← Top Holdings

BSXBOSTON SCIENTIFIC CORP

CUSIP: 101137107

Healthcare

6

Guru Owners

$307.4M

Total Value Held

7.2M

Total Shares

Who owns BSX? Full holder list and ownership history →

📊 Holdings Over Time

How superinvestor ownership has changed across quarters

$0$363.6M$727.2M$1.09B$1.45BQ4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25Q1 '26Q2 '26

Quarter-by-Quarter Activity

Q2 '266 owners · $307.4M
INCREASEDLee Ainslie$253.4M
REDUCEDRay Dalio$18.9M
REDUCEDDodge & Cox$3.7M
INCREASEDMairs & Power$423K
REDUCEDPolen Capital$203K
Q1 '267 owners · $380.0M
INCREASEDLee Ainslie$263.2M
REDUCEDLee Ainslie$62.8M
INCREASEDPolen Capital$36.4M
REDUCEDStephen Mandel$6.6M
REDUCEDRay Dalio$4.8M
Q4 '258 owners · $1.45B
INCREASEDJohn Armitage$513.5M
REDUCEDPolen Capital$383.3M
NEWLee Ainslie$280.7M
REDUCEDAndreas Halvorsen$239.3M
INCREASEDRay Dalio$8.9M
REDUCEDMairs & Power$970K
Q3 '256 owners · $1.35B
NEWPolen Capital$546.6M
INCREASEDJohn Armitage$518.7M
REDUCEDAndreas Halvorsen$257.9M
REDUCEDRay Dalio$15.6M
REDUCEDDodge & Cox$8.7M
REDUCEDMairs & Power$1.0M
Q2 '255 owners · $519.4M
INCREASEDAndreas Halvorsen$327.1M
NEWJohn Armitage$176.3M
REDUCEDDodge & Cox$9.7M
REDUCEDRay Dalio$5.2M
INCREASEDMairs & Power$1.1M
Q1 '254 owners · $256.5M
INCREASEDAndreas Halvorsen$239.8M
REDUCEDDodge & Cox$9.3M
INCREASEDRay Dalio$6.5M

🏛️ Congressional Trades

BSX: Held by 6 superinvestors · 50 congress member trades

$1,001 - $15,0002026-06-05
$1,001 - $15,0002026-06-05
$1,001 - $15,0002026-05-29
$1,001 - $15,0002026-05-19
$1,001 - $15,0002026-05-11
$1,001 - $15,0002026-02-10
$1,001 - $15,0002026-01-30
$1,001 - $15,0002026-01-30
$15,001 - $50,0002025-12-29
$1,001 - $15,0002025-12-24
$1,001 - $15,0002025-12-24
$1,001 - $15,0002025-12-17
$1,001 - $15,0002025-11-18
$1,001 - $15,0002025-11-18
$1,001 - $15,0002025-10-31
$1,001 - $15,0002025-10-30
$1,001 - $15,0002025-10-30
$15,001 - $50,0002025-10-28
$1,001 - $15,0002025-10-17
$1,001 - $15,0002025-10-17