Who owns BOSTON SCIENTIFIC CORP?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of BSX from SEC Form 13F filings across 1,476 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 1,476 institutions disclosed 1.33B shares of BOSTON SCIENTIFIC CORP worth $60.16B — about 90.4% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
1,476
13F holders
$60.16B
value, 2026 filers
90.4%
of shares outstanding (1.33B sh)
172
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BSX's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 129.7M | $5.53B | 0.1% | 8.8% | -1.6% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 97.1M | $4.14B | 0.1% | 6.6% | +0.7% |
| 3 | STATE STREET CORP | 70.1M | $2.99B | 0.1% | 4.8% | +3.1% |
| 4 | PRIMECAP MANAGEMENT CO/CA/ | 50.5M | $2.16B | 1.3% | 3.4% | +55.3% |
| 5 | FMR LLC | 45.7M | $1.95B | 0.1% | 3.1% | -38.4% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 33.4M | $1.42B | 0.1% | 2.3% | +0.5% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 29.8M | $1.27B | 0.1% | 2% | 0.0% |
| 8 | D. E. Shaw & Co., Inc. | 25.5M | $1.09B | 0.5% | 1.7% | +4.7% |
| 9 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 24.9M | $1.50B | 0.5% | 1.7% | +126.1% |
| 10 | JPMORGAN CHASE & CO | 23.9M | $1.04B | 0.1% | 1.6% | -28.3% |
| 11 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 23.3M | $994.2M | 0.4% | 1.6% | +67.7% |
| 12 | NORGES BANKNEW | 21.2M | $903.5M | 0.1% | 1.4% | new |
| 13 | TWO SIGMA INVESTMENTS, LP | 19.4M | $826.2M | 0.6% | 1.3% | +105.7% |
| 14 | MORGAN STANLEY | 18.9M | $808.7M | 0.0% | 1.3% | -14.9% |
| 15 | Jupiter Topco LLCNEW | 18.8M | $803.4M | 0.3% | 1.3% | new |
| 16 | Bollard Group LLC | 18.4M | $786.2M | 23.9% | 1.3% | -0.6% |
| 17 | GOLDMAN SACHS GROUP INC | 17.0M | $723.6M | 0.1% | 1.2% | -10.3% |
| 18 | Capital World Investors | 16.8M | $717.6M | 0.1% | 1.1% | +9.8% |
| 19 | UBS Group AG | 16.4M | $697.9M | 0.1% | 1.1% | +10.3% |
| 20 | WELLINGTON MANAGEMENT GROUP LLP | 15.3M | $653.1M | 0.1% | 1% | -18.8% |
| 21 | Amundi | 14.3M | $610.2M | 0.1% | 1% | +1.2% |
| 22 | Capital Research Global Investors | 14.2M | $605.3M | 0.1% | 1% | +100.3% |
| 23 | Invesco Ltd. | 13.8M | $589.0M | 0.0% | 0.9% | +52.5% |
| 24 | FRANKLIN RESOURCES INC | 13.8M | $587.8M | 0.1% | 0.9% | -5.0% |
| 25 | UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 13.1M | $558.7M | 0.1% | 0.9% | -3.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.