MARLBOROUGH, MA
BOSTON SCIENTIFIC CORPBSX— Latest position per institution from SEC 13F filings
15
Institutional holders
861.91M
Total shares held
43.81B
Estimated value
43.10M
Avg. position size
VANGUARD GROUP INC
CIK 102909
Shares
139.69M
Value
13.32B
Filed
Dec 31, 2025
BLACKROCK, INC.
CIK 2012383
Shares
129.68M
Value
5.53B
Filed
Jun 30, 2026
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
97.09M
Value
4.14B
Filed
Jun 30, 2026
STATE STREET CORP
CIK 93751
Shares
70.11M
Value
2.99B
Filed
Jun 30, 2026
PRIMECAP MANAGEMENT CO/CA/
CIK 763212
Shares
50.52M
Value
2.16B
Filed
Jun 30, 2026
FMR LLC
CIK 315066
Shares
45.70M
Value
1.95B
Filed
Jun 30, 2026
JANE STREET GROUP, LLC
CIK 1595888
Shares
33.76M
Value
1.44B
Filed
Jun 30, 2026
GEODE CAPITAL MANAGEMENT, LLC
CIK 1214717
Shares
33.44M
Value
1.42B
Filed
Jun 30, 2026
VANGUARD PORTFOLIO MANAGEMENT LLC
CIK 2100121
Shares
29.79M
Value
1.27B
Filed
Jun 30, 2026
D. E. SHAW & CO., INC.
CIK 1009207
Shares
27.27M
Value
1.16B
Filed
Jun 30, 2026
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
CIK 912938
Shares
24.86M
Value
1.50B
Filed
Jun 30, 2026
JPMORGAN CHASE & CO
CIK 19617
Shares
23.91M
Value
1.04B
Filed
Jun 30, 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 1164508
Shares
23.29M
Value
994.18M
Filed
Jun 30, 2026
NORGES BANK
CIK 1374170
Shares
21.17M
Value
903.54M
Filed
Jun 30, 2026
TWO SIGMA INVESTMENTS, LP
CIK 1179392
Shares
19.42M
Value
828.86M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
19.21M
Value
819.79M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
18.95M
Value
808.66M
Filed
Jun 30, 2026
JUPITER TOPCO LLC
CIK 2146052
Shares
18.82M
Value
803.36M
Filed
Jun 30, 2026
BOLLARD GROUP LLC
CIK 1556218
Shares
18.42M
Value
786.20K
Filed
Jun 30, 2026
CAPITAL WORLD INVESTORS
CIK 1422849
Shares
16.81M
Value
717.60M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | VANGUARD GROUP INC | 102909 | 139.69M | 13.32B | Dec 31, 2025 |
| 2 | BLACKROCK, INC. | 2012383 | 129.68M | 5.53B | Jun 30, 2026 |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 97.09M | 4.14B | Jun 30, 2026 |
| 4 | STATE STREET CORP | 93751 | 70.11M | 2.99B | Jun 30, 2026 |
| 5 | PRIMECAP MANAGEMENT CO/CA/ | 763212 | 50.52M | 2.16B | Jun 30, 2026 |
| 6 | FMR LLC | 315066 | 45.70M | 1.95B | Jun 30, 2026 |
| 7 | JANE STREET GROUP, LLC | 1595888 | 33.76M | 1.44B | Jun 30, 2026 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 1214717 | 33.44M | 1.42B | Jun 30, 2026 |
| 9 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2100121 | 29.79M | 1.27B | Jun 30, 2026 |
| 10 | D. E. SHAW & CO., INC. | 1009207 | 27.27M | 1.16B | Jun 30, 2026 |
| 11 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 912938 | 24.86M | 1.50B | Jun 30, 2026 |
| 12 | JPMORGAN CHASE & CO | 19617 | 23.91M | 1.04B | Jun 30, 2026 |
| 13 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1164508 | 23.29M | 994.18M | Jun 30, 2026 |
| 14 | NORGES BANK | 1374170 | 21.17M | 903.54M | Jun 30, 2026 |
| 15 | TWO SIGMA INVESTMENTS, LP | 1179392 | 19.42M | 828.86M | Jun 30, 2026 |
| 16 | GOLDMAN SACHS GROUP INC | 886982 | 19.21M | 819.79M | Jun 30, 2026 |
| 17 | MORGAN STANLEY | 895421 | 18.95M | 808.66M | Jun 30, 2026 |
| 18 | JUPITER TOPCO LLC | 2146052 | 18.82M | 803.36M | Jun 30, 2026 |
| 19 | BOLLARD GROUP LLC | 1556218 | 18.42M | 786.20K | Jun 30, 2026 |
| 20 | CAPITAL WORLD INVESTORS | 1422849 | 16.81M | 717.60M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.