BSX Institutional Ownership
Top institutional (13F) holders of BSX and activist (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
49
Institutional value
$38.67B
Top holder
BlackRock, Inc.
Top holders
| Holder | Filed | Value |
|---|---|---|
| BlackRock, Inc.holding company | Aug 7, 2026 | $5.53B |
| Vanguard Capital Managementhedge fund | Aug 13, 2026 | $4.14B |
| STATE STREET CORPinvestment advisor | Aug 7, 2026 | $2.99B |
| PRIMECAP MANAGEMENT CO/CA/hedge fund | Aug 14, 2026 | $2.16B |
| FMR LLCinvestment advisor | Aug 13, 2026 | $1.95B |
| Massachusetts Financial Services Companyhedge fund | Aug 3, 2026 | $1.50B |
| JANE STREET GROUP, LLCholding company | Aug 14, 2026 | $1.44B |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | Aug 12, 2026 | $1.42B |
| Vanguard Portfolio Managementhedge fund | Aug 13, 2026 | $1.27B |
| D. E. Shaw & Co., Inc.investment advisor | Aug 14, 2026 | $1.16B |
| JPMORGAN CHASE & COinvestment advisor | Aug 12, 2026 | $1.04B |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | Aug 13, 2026 | $994.18M |
| Norges Bankother | Aug 12, 2026 | $903.54M |
| TWO SIGMA INVESTMENTS, LPinvestment advisor | Aug 14, 2026 | $828.86M |
| GOLDMAN SACHS GROUP INCinvestment advisor | Aug 14, 2026 | $819.79M |
| MORGAN STANLEYinvestment advisor | Aug 13, 2026 | $808.66M |
| Capital World Investorsinvestment advisor | Aug 12, 2026 | $717.60M |
| UBS Group AGinvestment advisor | Aug 13, 2026 | $711.51M |
| WELLINGTON MANAGEMENT GROUP LLPinvestment advisor | Aug 14, 2026 | $653.08M |
| Capital Research Global Investorsinvestment advisor | Aug 12, 2026 | $605.26M |
| FRANKLIN RESOURCES INCinvestment advisor | Aug 13, 2026 | $596.69M |
| Invesco Ltd.investment advisor | Aug 14, 2026 | $589.02M |
| BANK OF AMERICA CORP /DE/investment advisor | Aug 14, 2026 | $556.03M |
| NORTHERN TRUST CORPinvestment advisor | Aug 13, 2026 | $553.33M |
| CITADEL ADVISORS LLCinvestment advisor | Aug 14, 2026 | $433.43M |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.