| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | $10,344,630,663 | 113,006,671 | BlackRock, Inc. | 31 Mar 2025 | |||
| FMR LLC | 7.5% | -21% | $11,499,854,557 | -$3,213,598,699 | 110,320,938 | -22% | FMR LLC | 30 Jun 2025 |
As of 30 Sep 2025, 1,686 institutional investors reported holding 1,336,450,694 shares of BOSTON SCIENTIFIC CORP - COMMON STOCK (BSX). This represents 91% of the company’s total 1,470,945,837 outstanding shares.
The largest institutional shareholders of BOSTON SCIENTIFIC CORP - COMMON STOCK (BSX) together control 55% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9.9% | 145,175,869 | -1% | 0.25% | $14,173,520,098 |
| VANGUARD GROUP INC | 9.4% | 138,249,447 | +0.81% | 0.2% | $13,497,293,511 |
| FMR LLC | 6.8% | 99,477,701 | -8.2% | 0.5% | $9,712,007,926 |
| STATE STREET CORP | 4.4% | 64,925,564 | -0.41% | 0.22% | $6,338,682,813 |
| BANK OF AMERICA CORP /DE/ | 2.3% | 33,869,041 | +0.07% | 0.25% | $3,306,634,494 |
| PRIMECAP MANAGEMENT CO/CA/ | 2.3% | 33,102,094 | -4.5% | 2.5% | $3,231,757,439 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 32,690,528 | +0.82% | 0.2% | $3,176,949,765 |
| JPMORGAN CHASE & CO | 1.9% | 28,329,209 | +10% | 0.18% | $2,765,812,643 |
| Capital World Investors | 1.8% | 26,648,948 | -6.6% | 0.36% | $2,601,693,412 |
| MORGAN STANLEY | 1.4% | 20,714,248 | +2.2% | 0.12% | $2,022,332,304 |
| Bollard Group LLC | 1.3% | 19,733,573 | -1.7% | 48% | $1,926,589,000 |
| Invesco Ltd. | 1.2% | 16,963,344 | +0.66% | 0.26% | $1,656,131,314 |
| GOLDMAN SACHS GROUP INC | 1% | 15,005,259 | +7.7% | 0.21% | $1,464,963,499 |
| WELLINGTON MANAGEMENT GROUP LLP | 1% | 14,653,441 | -55% | 0.25% | $1,430,615,446 |
| NORTHERN TRUST CORP | 0.98% | 14,402,636 | +0.9% | 0.18% | $1,406,129,352 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.95% | 14,032,541 | -16% | 1.2% | $1,369,996,973 |
| Amundi | 0.81% | 11,981,584 | +17% | 0.37% | $1,158,619,174 |
| JANUS HENDERSON GROUP PLC | 0.81% | 11,971,870 | -1.5% | 0.53% | $1,168,810,184 |
| Bank of New York Mellon Corp | 0.75% | 11,032,972 | -1.6% | 0.19% | $1,077,149,027 |
| UBS AM, A DISTINCT BUSINESS UNIT OF UBS ASSET MANAGEMENT AMERICAS LLC | 0.75% | 10,978,385 | -14% | 0.23% | $1,071,819,728 |
| UBS Group AG | 0.72% | 10,567,142 | -8.1% | 0.2% | $1,031,670,073 |
| Legal & General Group Plc | 0.71% | 10,457,175 | +4.6% | 0.23% | $1,020,934,001 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 0.7% | 10,367,293 | -19% | 0.31% | $1,012,158,815 |
| MARSHALL WACE, LLP | 0.67% | 9,799,040 | +31% | 1.1% | $956,680,277 |
| Nuveen, LLC | 0.66% | 9,646,238 | +2% | 0.25% | $941,762,216 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 11,226,003 | $1,070,579,287 | +$124,488,536 | $95.35 | 137 |
| 2025 Q3 | 1,336,450,694 | $130,384,955,834 | -$1,754,236,340 | $97.63 | 1,686 |
| 2025 Q2 | 1,350,469,260 | $144,909,365,677 | +$3,628,519,940 | $107.41 | 1,672 |
| 2025 Q1 | 1,316,410,619 | $132,617,505,327 | -$1,400,413,086 | $100.88 | 1,615 |
| 2024 Q4 | 1,335,207,947 | $119,291,865,525 | +$2,581,076,751 | $89.32 | 1,477 |
| 2024 Q3 | 1,299,647,741 | $108,919,647,528 | -$2,282,415,557 | $83.80 | 1,376 |
| 2024 Q2 | 1,324,560,257 | $101,937,964,066 | +$2,359,027,341 | $77.01 | 1,297 |
| 2024 Q1 | 1,303,609,336 | $89,276,809,166 | -$804,525,255 | $68.49 | 1,205 |
| 2023 Q4 | 16,820,706 | $971,233,721 | -$240,349,597 | $57.81 | 23 |
| 2023 Q3 | 1,318,002,895 | $69,550,720,082 | +$674,525,396 | $52.80 | 1,027 |
| 2023 Q2 | 1,304,644,762 | $70,526,957,372 | -$145,484,641 | $54.09 | 1,039 |
| 2023 Q1 | 1,307,485,043 | $65,433,298,115 | +$343,515,304 | $50.03 | 965 |
| 2022 Q4 | 1,266,582,733 | $58,637,102,618 | -$333,723,879 | $46.27 | 896 |
| 2022 Q3 | 1,299,712,719 | $50,432,102,615 | +$319,726,609 | $38.73 | 823 |
| 2022 Q2 | 1,296,881,048 | $48,365,744,700 | +$861,128,930 | $37.27 | 838 |
| 2022 Q1 | 1,272,670,130 | $56,406,955,618 | -$235,264,632 | $44.29 | 871 |
| 2021 Q4 | 1,284,179,807 | $54,599,911,984 | -$449,655,882 | $42.48 | 861 |
| 2021 Q3 | 1,300,738,205 | $56,460,767,818 | +$415,770,569 | $43.39 | 861 |
| 2021 Q2 | 1,290,470,361 | $55,199,847,654 | +$24,231,030 | $42.76 | 848 |
| 2021 Q1 | 1,288,645,986 | $49,818,337,173 | +$807,307,108 | $38.65 | 812 |
| 2020 Q4 | 1,244,703,718 | $44,757,908,355 | -$1,418,796,709 | $35.95 | 835 |
| 2020 Q3 | 1,265,758,470 | $48,375,284,475 | +$149,451,142 | $38.21 | 825 |
| 2020 Q2 | 1,300,470,530 | $45,669,815,838 | +$1,083,767,896 | $35.11 | 813 |
| 2020 Q1 | 1,243,066,282 | $40,579,785,231 | -$543,905,081 | $32.63 | 769 |
| 2019 Q4 | 1,280,111,410 | $57,890,426,506 | -$225,552,484 | $45.22 | 826 |
| 2019 Q3 | 1,282,442,578 | $52,191,091,972 | -$249,254,832 | $40.69 | 754 |
| 2019 Q2 | 1,288,117,735 | $55,309,652,312 | +$1,904,322,383 | $42.98 | 733 |
| 2019 Q1 | 1,275,502,511 | $48,946,899,601 | +$117,322,506 | $38.38 | 770 |
| 2018 Q4 | 1,272,879,508 | $44,980,807,941 | -$120,681,890 | $35.34 | 712 |
| 2018 Q3 | 1,269,668,357 | $48,876,692,879 | -$138,911,403 | $38.50 | 687 |
| 2018 Q2 | 1,275,284,654 | $41,698,448,102 | +$1,504,808,178 | $32.70 | 661 |
| 2018 Q1 | 1,247,650,459 | $34,082,543,688 | -$82,743,302 | $27.32 | 614 |
| 2017 Q4 | 1,243,229,007 | $30,824,061,719 | -$192,709,259 | $24.79 | 618 |
| 2017 Q3 | 1,257,868,252 | $36,665,834,495 | +$153,839,459 | $29.17 | 535 |
| 2017 Q2 | 1,253,075,221 | $34,734,401,359 | +$539,761,391 | $27.72 | 543 |
| 2017 Q1 | 1,264,159,507 | $31,439,984,601 | +$2,328,595,904 | $24.87 | 534 |
| 2016 Q4 | 1,256,814,584 | $27,186,911,619 | +$98,288,269 | $21.63 | 546 |
| 2016 Q3 | 1,236,103,415 | $29,402,118,598 | -$351,744,784 | $23.80 | 554 |
| 2016 Q2 | 1,251,351,734 | $29,241,983,096 | +$110,947,731 | $23.37 | 536 |
| 2016 Q1 | 1,245,689,330 | $23,425,657,494 | +$445,998,079 | $18.81 | 482 |
| 2015 Q4 | 1,246,515,984 | $22,984,667,992 | -$14,266,747 | $18.44 | 489 |
| 2015 Q3 | 1,222,863,890 | $20,065,958,369 | +$563,158,895 | $16.41 | 467 |
| 2015 Q2 | 1,197,749,163 | $21,199,180,226 | +$207,241,678 | $17.70 | 459 |
| 2015 Q1 | 1,200,527,030 | $21,294,800,875 | +$119,425,588 | $17.75 | 461 |
| 2014 Q4 | 1,196,066,508 | $15,855,363,403 | +$29,425,259 | $13.25 | 446 |
| 2014 Q3 | 1,191,183,998 | $14,066,745,503 | +$82,069,069 | $11.81 | 425 |
| 2014 Q2 | 1,163,460,740 | $14,856,210,089 | +$446,112,615 | $12.77 | 446 |
| 2014 Q1 | 1,135,484,131 | $15,345,708,875 | -$195,854,844 | $13.52 | 429 |