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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, 2026

MASSACHUSETTS 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
4 BSX
Boston Scientific Corp
This page
10,996,572 $690,034,889

All Filings in BSX

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $690,034,889 10,996,572
2025-12-31 $866,305,089 9,085,528
2025-09-30 $1,012,158,813 10,367,293
2025-06-30 $1,381,202,157 12,859,158
2025-03-31 $1,666,700,921 16,521,619
2024-12-31 $1,756,027,176 19,659,955
2024-09-30 $2,150,952,669 25,667,693
2024-06-30 $2,447,779,634 31,785,218
2024-03-31 $3,192,114,522 46,607,016
2023-12-31 $3,305,342,822 57,175,970
2023-09-30 $3,301,762,566 62,533,382
2023-06-30 $3,739,624,923 69,137,085
2023-03-31 $3,979,067,554 79,533,631
2022-12-31 $3,793,394,030 81,983,878
2022-09-30 $3,256,865,805 84,091,552
2022-06-30 $3,115,981,303 83,605,616
2022-03-31 $3,727,844,341 84,168,985
2021-12-31 $3,633,504,494 85,534,475
2021-09-30 $3,635,892,034 83,795,622
2021-06-30 $3,609,940,304 84,423,300
2021-03-31 $3,194,788,549 82,659,471
2020-12-31 $1,762,584,134 49,028,766
2020-09-30 $1,655,465,668 43,325,456
2020-06-30 $1,510,384,552 43,018,643
2020-03-31 $970,220,221 29,733,994