Boston Scientific Corporation
MX ˙ BMV ˙ FR0010424135
SecurityMX:BSX / Boston Scientific Corporation
InstitutionJustInvest LLC
Latest Disclosed Ownership215,075 shares
Latest Disclosed Value $ 13,495,956
JustInvest LLC reports 0.30% decrease in ownership of BSX / Boston Scientific Corporation

On May 14, 2026 - JustInvest LLC filed a 13F-HR form disclosing ownership of 215,075 shares of Boston Scientific Corporation (MX:BSX) valued at $13,495,956 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 215,725 shares of Boston Scientific Corporation. This represents a change in shares of -0.30% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-14 2026-03-31 13F BOSTON SCIENTIFIC COM 101137107 215,075 -650 -0.30 13,496 -34.39 0.1325
2026-02-13 2025-12-31 13F BOSTON SCIENTIFIC COM 101137107 215,725 -1,945 -0.89 20,569 -3.21 0.2007
2025-10-31 2025-09-30 13F BOSTON SCIENTIFIC COM 101137107 217,670 760 0.35 21,251 -8.79 0.2177
2025-07-25 2025-06-30 13F BOSTON SCIENTIFIC COM 101137107 216,910 37,578 20.95 23,299 28.78 0.2630
2025-05-14 2025-03-31 13F BOSTON SCIENTIFIC COM 101137107 179,332 14,554 8.83 18,091 22.92 0.2668
2025-02-10 2024-12-31 13F BOSTON SCIENTIFIC COM 101137107 164,778 9,057 5.82 14,718 12.79 0.2223
2024-11-12 2024-09-30 13F BOSTON SCIENTIFIC COM 101137107 155,721 10,897 7.52 13,049 17.20 0.2101
2024-08-12 2024-06-30 13F BOSTON SCIENTIFIC COM 101137107 144,824 20,142 16.15 11,134 30.39 0.2120
2024-05-09 2024-03-31 13F BOSTON SCIENTIFIC COM 101137107 124,682 8,903 7.69 8,539 27.58 0.1833
2024-02-08 2023-12-31 13F BOSTON SCIENTIFIC COM 101137107 115,779 14,497 14.31 6,693 25.17 0.1737
2023-11-08 2023-09-30 13F BOSTON SCIENTIFIC COM 101137107 101,282 2,333 2.36 5,348 -0.09 0.1599
2023-07-28 2023-06-30 13F BOSTON SCIENTIFIC COM 101137107 98,949 5,205 5.55 5,352 14.12 0.1640
2023-05-10 2023-03-31 13F BOSTON SCIENTIFIC COM 101137107 93,744 4,439 4.97 4,690 13.50 0.1629
2023-02-10 2022-12-31 13F BOSTON SCIENTIFIC COM 101137107 89,305 10,928 13.94 4,132 36.10 0.1705
2022-11-14 2022-09-30 13F BOSTON SCIENTIFIC COM 101137107 78,377 8,031 11.42 3,036 15.79 0.1373
2022-08-12 2022-06-30 13F/A-1 BOSTON SCIENTIFIC COM 101137107 70,346 11,450 19.44 2,622 0.50 0.1214
2022-08-09 2022-06-30 13F BOSTON SCIENTIFIC COM 101137107 70,346 11,450 2,622 0.1214
2022-05-16 2022-03-31 13F BOSTON SCIENTIFIC COM 101137107 58,896 20,604 53.81 2,609 60.36 0.1263
2022-02-23 2021-12-31 13F BOSTON SCIENTIFIC COM 101137107 38,292 1,251 3.38 1,627 1.24 0.0959
2021-11-09 2021-09-30 13F BOSTON SCIENTIFIC COM 101137107 37,041 4,697 14.52 1,607 16.20 0.1444
2021-08-11 2021-06-30 13F/A-1 BOSTON SCIENTIFIC COM 101137107 32,344 13,657 73.08 1,383 91.55 0.1448
2021-07-21 2021-06-30 13F BOSTON SCIENTIFIC COM 101137107 18,687 0 722 0.1099
2021-04-28 2021-03-31 13F BOSTON SCIENTIFIC COM 101137107 18,687 5,181 38.36 722 48.56 0.1093
2021-01-20 2020-12-31 13F/A-1 BOSTON SCIENTIFIC COM 101137107 13,506 1,003 8.02 486 1.67 0.1057
2021-01-19 2020-12-31 13F BOSTON SCIENTIFIC COM 101137107 13,506 1,003 12 35,032.4050
2020-10-26 2020-09-30 13F BOSTON SCIENTIFIC COM 101137107 12,503 5,464 77.62 478 93.52 0.1341
2020-07-27 2020-06-30 13F BOSTON SCIENTIFIC COM 101137107 7,039 7,039 247 0.1120
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.