Position in BSX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$8,271,832,814
-$4,694,550,988 QoQ
Shares Held
131,822,037
-3.1% QoQ
Ownership
8.87%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 89.62715998691479.ToString("F0")%
Shared 0.ToString("F0")%
None 10.372840013085218.ToString("F0")%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Derivatives in BSX
reported options exposure · as of Jun 30, 2025CallValue
$37,851,284
CallShares
352,400
PutValue
$0
PutShares
0
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Mar 31, 2026BlackRock, Inc. holds $66,751,055,724 across 111 Medical Devices names. BSX ranks #4 (12.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
145,687,458 | $14,957,731,302 | |
| 2 | MDT |
Medtronic plc
|
113,182,567 | $9,807,269,421 | |
| 3 | SYK |
Stryker Corp
|
27,602,049 | $9,069,757,269 | |
| 4 | BSX |
Boston Scientific Corp
This page
|
131,822,037 | $8,271,832,814 | |
| 5 | EW |
Edwards Lifesciences Corp
|
52,590,933 | $4,211,481,905 | |
| 6 | GEHC |
GE HealthCare Technologies Inc.
|
35,984,327 | $2,561,364,385 | |
| 7 | DXCM |
Dexcom Inc
|
38,964,371 | $2,446,962,491 | |
| 8 | STE |
STERIS plc
|
9,026,621 | $1,996,056,695 |
All Filings in BSX
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $8,271,832,814 | 131,822,037 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $12,966,383,802 | 135,987,245 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $14,173,520,080 | 145,175,869 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $15,755,730,143 | 146,687,740 | Shares | Sole | 2025-08-12 | |
| 2025-06-30 | $37,851,284 | 352,400 | Call | Sole | 2025-08-12 | |
| 2025-03-31 | $14,291,777,127 | 141,671,066 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $12,417,841,431 | 139,026,438 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $80,238,500 | 957,500 | Call | Sole | 2024-11-13 | |
| 2024-09-30 | $10,785,123,682 | 128,700,760 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||