BSX
Common Stock

Boston Scientific CORP

As of Jun 30, 2026 CUSIP 101137107
Institutional Holders
1,496
Total Held Value
$56.94B
Total Exact Shares
1.32B
Largest Holder
BlackRock
129.68M shares • $5.53B
Reported Holders1,496
Filings dated Jun 30, 2026 unless marked
# Trend (4Q)
1 BlackRock $5.53B 0.1% -1.6% 129.68M Jun 30, 2026
2 Vanguard Capital Management $4.14B 0.1% +0.7% 97.09M Jun 30, 2026
3 State Street $2.99B 0.1% +3.1% 70.11M Jun 30, 2026
4 Primecap Management $2.16B 1.3% +55.3% 50.52M Jun 30, 2026
5 Fidelity (FMR) $1.95B 0.1% -38.4% 45.70M Jun 30, 2026
6 Massachusetts Financial Services $1.50B 0.5% +126.1% 24.86M Jun 30, 2026
7 Geode Capital Management $1.42B 0.1% +0.5% 33.44M Jun 30, 2026
8 Vanguard Portfolio Management $1.27B 0.1% -0.0% 29.79M Jun 30, 2026
9 D. E. Shaw & Co. $1.09B 0.5% +4.7% 25.46M Jun 30, 2026
10 JPMorgan Chase $1.04B 0.1% -28.3% 23.91M Jun 30, 2026
11 Arrowstreet Capital $994.2M 0.4% +67.7% 23.29M Jun 30, 2026
12 Norges Bank $903.5M 0.1% — 21.17M — Jun 30, 2026
13 Two Sigma Investments $826.2M 0.6% +105.7% 19.36M Jun 30, 2026
14 Morgan Stanley $808.7M <0.1% -14.9% 18.95M Jun 30, 2026
15 Jupiter Topco $803.4M 0.3% — 18.82M Jun 30, 2026
16 Bollard Group $786.2M 23.9% -0.6% 18.42M Jun 30, 2026
17 Goldman Sachs Group $723.6M 0.1% -10.3% 16.95M Jun 30, 2026
18 Capital World Investors $717.6M 0.1% +9.8% 16.81M Jun 30, 2026
19 UBS Group $697.9M 0.1% +10.3% 16.35M Jun 30, 2026
20 Wellington Management Group $653.1M 0.1% -18.8% 15.30M Jun 30, 2026
Exited in Latest Filing251
# Fund Prior Value Prior % of Fund Change Prior Shares Trend (4Q) Exit Report
Each exit is an immediately prior-filing position absent from that manager's latest published filing. Prior values are shown for context and are not included in current totals.