Position in MASI
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$826,131,080
-$325,630,721 QoQ
Shares Held
4,644,578
-47.6% QoQ
Ownership
8.87%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#1
of 445 holders
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 96.29652037278737.ToString("F0")%
Shared 0.ToString("F0")%
None 3.7034796272126336.ToString("F0")%
Common Shares in MASI Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026BlackRock, Inc. holds $66,751,055,724 across 111 Medical Devices names. MASI ranks #14 (1.2% 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
|
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 MASI
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $826,131,080 | 4,644,578 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,151,761,801 | 8,855,619 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $1,528,778,971 | 10,361,091 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $1,767,542,370 | 10,507,326 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $1,644,579,899 | 9,871,428 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,437,814,603 | 8,698,213 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $1,176,273,116 | 8,822,269 | Shares | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||