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Boston Scientific Corporation (BSX) Institutional Ownership & Insider Trading

1,474 institutions reported holding Boston Scientific Corporation shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 21 insider trades on Form 4 since 2025-10-01.

Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason

BSXBoston Scientific CorporationFollow BSX — free
Medical Devices · Healthcare
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Price chart with a free account
Market cap
66.2B
P/E TTM
18.5
Dividend yield
—
52-week
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Next earnings
28 Oct, in 4 days

Institutions · all 13F filers

quarter to 30 Jun 2026 · filers in both quarters

1,474 institutions held 92.1% of the shares. Across filers that reported both quarters, shares held changed -2.6%.

Increased+545New+107Decreased-580Closed-290

Largest moves, shares (millions)

Primecap Management+18.0MMassachusetts Financial…+13.9MTwo Sigma Investments+9.9MFMR-28.5MBank of America-9.7MJPMorgan Chase-9.4M

Institutional flow by quarter

net shares added or trimmed, millions · filers in both quarters
-27.1Sep 24-15.6Dec 24+5.6Mar 25+2.4Jun 25+33.9Sep 25-36.8Dec 25+2.6Mar 26-34.2Jun 26
QuarterHoldersShares held, MChangeIncreasedNewDecreasedClosed
Jun 261,4741335-2.6%545107580290
Mar 261,6461340+0.2%609126565237
Dec 251,7441356-2.7%57710057998
Sep 251,6681366+2.6%656129451103
Jun 251,6541347+0.2%64310645263
Mar 251,5941319+0.4%58117546746
Dec 241,4611334-1.2%5189441462
Sep 241,3551301-2.3%46712038554

Boston Scientific Corporation — questions

Who owns Boston Scientific Corporation stock?
1,474 institutions reported Boston Scientific Corporation shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.9%), VANGUARD CAPITAL MANAGEMENT LLC (6.7%), STATE STREET CORP (4.8%).
Are Boston Scientific Corporation insiders buying or selling?
21 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.

Every figure on this page comes from Boston Scientific Corporation's own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.

How these figures are read: methodology · EquiReason.