MASSACHUSETTS FINANCIAL SERVICES CO /MA/
Position in BSX — Boston Scientific Corp
CIK 912938
Boston, MA
Position in BSX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$690,034,889
-$176,270,200 QoQ
Shares Held
10,996,572
+21.0% QoQ
Ownership
0.740%
of shares outstanding
% of Portfolio
0.25%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 76.02559233913986.ToString("F0")%
Shared 21.319489382691263.ToString("F0")%
None 2.6549182781688696.ToString("F0")%
Common Shares in BSX Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Mar 31, 2026MASSACHUSETTS FINANCIAL SERVICES CO /MA/ holds $6,029,179,529 across 17 Medical Devices names. BSX ranks #4 (11.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDT |
Medtronic plc
|
21,437,599 | $1,857,567,950 | |
| 2 | ABT |
Abbott Laboratories
|
15,499,870 | $1,591,371,647 | |
| 3 | STE |
STERIS plc
|
4,010,349 | $886,808,469 | |
| 4 | BSX |
Boston Scientific Corp
This page
|
10,996,572 | $690,034,889 | |
| 5 | MASI |
Masimo Corp
|
2,342,790 | $416,712,054 | |
| 6 | DXCM |
Dexcom Inc
|
1,934,452 | $121,483,582 | |
| 7 | BIO |
Bio-Rad Laboratories, Inc.
|
396,150 | $110,426,810 | |
| 8 | GEHC |
GE HealthCare Technologies Inc.
|
1,260,998 | $89,757,836 |
All Filings in BSX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $690,034,889 | 10,996,572 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $866,305,089 | 9,085,528 | Shares | Sole | 2026-01-22 | |
| 2025-09-30 | $1,012,158,813 | 10,367,293 | Shares | Sole | 2025-10-29 | |
| 2025-06-30 | $1,381,202,157 | 12,859,158 | Shares | Sole | 2025-08-08 | |
| 2025-03-31 | $1,666,700,921 | 16,521,619 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $1,756,027,176 | 19,659,955 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $2,150,952,669 | 25,667,693 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $2,447,779,634 | 31,785,218 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $3,192,114,522 | 46,607,016 | Shares | Sole | 2024-05-14 | |
| 2023-12-31 | $3,305,342,822 | 57,175,970 | Shares | Sole | 2024-02-08 | |
| 2023-09-30 | $3,301,762,566 | 62,533,382 | Shares | Sole | 2023-11-08 | |
| 2023-06-30 | $3,739,624,923 | 69,137,085 | Shares | Sole | 2023-08-09 | |
| 2023-03-31 | $3,979,067,554 | 79,533,631 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $3,793,394,030 | 81,983,878 | Shares | Sole | 2023-02-13 | |
| 2022-09-30 | $3,256,865,805 | 84,091,552 | Shares | Sole | 2022-11-09 | |
| 2022-06-30 | $3,115,981,303 | 83,605,616 | Shares | Sole | 2022-08-09 | |
| 2022-03-31 | $3,727,844,341 | 84,168,985 | Shares | Sole | 2022-05-11 | |
| 2021-12-31 | $3,633,504,494 | 85,534,475 | Shares | Sole | 2022-02-10 | |
| 2021-09-30 | $3,635,892,034 | 83,795,622 | Shares | Sole | 2021-11-10 | |
| 2021-06-30 | $3,609,940,304 | 84,423,300 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $3,194,788,549 | 82,659,471 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $1,762,584,134 | 49,028,766 | Shares | Sole | 2021-05-12 | |
| 2020-09-30 | $1,655,465,668 | 43,325,456 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $1,510,384,552 | 43,018,643 | Shares | Sole | 2020-11-20 | |
| 2020-03-31 | $970,220,221 | 29,733,994 | Shares | Sole | 2020-11-20 | |
| No filing history on record for this holder in this stock. | ||||||