BSX Institutional Ownership
Top institutional (13F) holders of BSX and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
69
Institutional value
$40.42B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 8.9% | Aug 7, 2026 | $5.53B |
| Vanguard Capital Managementinvestment advisor | 6.7% | Aug 13, 2026 | $4.14B |
| STATE STREET CORPORATIONholding company | 4.8% | Sep 22, 2026 | $2.99B |
| PRIMECAP MANAGEMENT CO/CA/investment advisor | 3.5% | Aug 14, 2026 | $2.16B |
| FMR LLCinvestment advisor | 3.2% | Aug 13, 2026 | $1.95B |
| Massachusetts Financial Services Companyinvestment advisor | 1.7% | Aug 3, 2026 | $1.5B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.4% | Nov 6, 2026 | $1.5B |
| JANE STREET GROUP, LLCholding company | 2.3% | Aug 14, 2026 | $1.44B |
| Vanguard Portfolio Managementinvestment advisor | 2.1% | Aug 13, 2026 | $1.27B |
| D. E. Shaw & Co., Inc.investment advisor | 1.9% | Aug 14, 2026 | $1.16B |
| JPMORGAN CHASE & COholding company | 1.6% | Aug 12, 2026 | $1.04B |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | 1.6% | Aug 13, 2026 | $994.18M |
| Norges Bankother | 1.5% | Aug 12, 2026 | $903.54M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | 1.3% | Aug 14, 2026 | $828.86M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.3% | Aug 14, 2026 | $819.79M |
| MORGAN STANLEYholding company | 1.3% | Aug 13, 2026 | $808.66M |
| Capital World Investorsinvestment advisor | 1.2% | Aug 12, 2026 | $717.6M |
| UBS Group AGbank | 1.2% | Aug 13, 2026 | $711.51M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | 1.1% | Aug 14, 2026 | $653.08M |
| Capital Research Global Investorsinvestment advisor | 1.0% | Aug 12, 2026 | $605.26M |
| FRANKLIN RESOURCES INCinvestment advisor | 1.0% | Aug 13, 2026 | $596.69M |
| Invesco Ltd.holding company | 1.0% | Aug 14, 2026 | $589.02M |
| BANK OF AMERICA CORP /DE/holding company | 0.9% | Aug 14, 2026 | $556.03M |
| NORTHERN TRUST CORPinvestment advisor | 0.9% | Aug 13, 2026 | $553.33M |
| EDGEWOOD MANAGEMENT LLCinvestment advisor | 0.5% | May 14, 2026 | $478.74M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 7.6% | Apr 17, 2025 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 7.5% | Apr 29, 2026 |
Institutional ownership for companies related to BSX
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.