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BSX · Boston Scientific Corp · Holdings

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$42.17 +0.13 (+0.30%)
Market Cap
$60.69B
Shares
1.45B
Volume · Oct 9 2.8M Avg daily vol (3M) 19.76M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Some SEC filings for this period have not finished importing. Holder totals and changes may be incomplete; these filings remain queued for recovery.
The Sep 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out. Each fund's Change is measured against its own previous reported quarter, shown in the Reported column. Pick a completed quarter in the Quarter selector below to put every fund on one quarter and see the stock-wide activity breakdown.
Holders: 1,497
Total Value: $59,087,620,240
Total Shares: 1,386,397,504
Showing 1–100 of 1,580 holdings by value · page 1 of 16

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 1,495 13F filers
Top Holder
9.4%
Sep 2023 → Jun 2026 · range 9.4% – 10.7%
of institutional value
Top 5
28.4%
Sep 2023 → Jun 2026 · range 28.4% – 37.8%
of institutional value
Top 10
39.2%
Sep 2023 → Jun 2026 · range 39.2% – 49.9%
of institutional value
HHI
251
Sep 2023 → Jun 2026 · range 251 – 387
Broadly held
Showing 100 of 1,580
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 885725 CUSIP 101137107 13F (30d) 77 filings 62 filers Visit website Investor relations