| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 7.6% | $11,610,305,379 | 113,006,671 | BlackRock, Inc. | 31 Mar 2025 | |||
| FMR LLC | 7.5% | -21% | $11,385,120,782 | -$3,181,536,701 | 110,320,938 | -22% | FMR LLC | 30 Jun 2025 |
As of 30 Sep 2025, 1,687 institutional investors reported holding 1,339,410,311 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 | 22,482,032 | $2,142,215,175 | +$175,362,788 | $95.35 | 256 |
| 2025 Q3 | 1,339,410,311 | $130,673,903,834 | -$1,725,236,070 | $97.63 | 1,687 |
| 2025 Q2 | 1,350,469,260 | $144,909,365,677 | +$3,628,519,898 | $107.41 | 1,672 |
| 2025 Q1 | 1,319,719,292 | $132,951,280,716 | -$1,429,220,655 | $100.88 | 1,623 |
| 2024 Q4 | 1,336,447,288 | $119,402,893,829 | +$898,961,574 | $89.32 | 1,493 |
| 2024 Q3 | 1,319,791,045 | $110,607,605,021 | -$604,727,196 | $83.80 | 1,380 |
| 2024 Q2 | 1,323,973,457 | $101,892,673,929 | +$971,161,963 | $77.01 | 1,308 |
| 2024 Q1 | 1,321,450,621 | $90,499,424,621 | +$92,726,601 | $68.49 | 1,212 |
| 2023 Q4 | 1,334,348,269 | $77,147,573,144 | -$289,270,927 | $57.81 | 1,141 |
| 2023 Q3 | 1,336,011,103 | $70,501,864,978 | +$769,138,959 | $52.80 | 1,051 |
| 2023 Q2 | 1,321,983,877 | $71,464,612,043 | +$572,361,353 | $54.09 | 1,060 |
| 2023 Q1 | 1,310,486,262 | $65,583,343,883 | +$413,685,088 | $50.03 | 985 |
| 2022 Q4 | 1,312,563,025 | $60,764,615,765 | -$50,300,157 | $46.27 | 920 |
| 2022 Q3 | 1,317,827,868 | $51,134,125,498 | +$379,014,490 | $38.73 | 851 |
| 2022 Q2 | 1,301,273,810 | $48,531,856,810 | +$791,346,903 | $37.27 | 861 |
| 2022 Q1 | 1,284,370,990 | $56,925,627,023 | -$144,550,419 | $44.29 | 888 |
| 2021 Q4 | 1,287,262,264 | $54,732,603,599 | -$461,765,005 | $42.48 | 877 |
| 2021 Q3 | 1,301,929,558 | $56,513,082,497 | +$419,176,056 | $43.39 | 869 |
| 2021 Q2 | 1,291,593,374 | $55,247,883,041 | +$25,452,222 | $42.76 | 859 |
| 2021 Q1 | 1,289,673,318 | $49,858,594,810 | +$823,233,662 | $38.65 | 821 |
| 2020 Q4 | 1,267,432,349 | $45,573,153,877 | -$1,414,480,590 | $35.95 | 850 |
| 2020 Q3 | 1,307,791,752 | $49,962,859,301 | +$235,364,769 | $38.21 | 833 |
| 2020 Q2 | 1,301,131,889 | $45,692,879,720 | +$1,080,073,044 | $35.11 | 827 |
| 2020 Q1 | 1,271,871,860 | $41,518,317,080 | -$521,379,687 | $32.63 | 783 |
| 2019 Q4 | 1,280,563,413 | $57,910,909,068 | -$221,445,063 | $45.22 | 838 |
| 2019 Q3 | 1,282,596,673 | $52,197,543,790 | -$249,987,668 | $40.69 | 759 |
| 2019 Q2 | 1,288,320,690 | $55,318,383,707 | +$1,276,745,358 | $42.98 | 742 |
| 2019 Q1 | 1,275,610,079 | $48,951,032,409 | +$119,190,967 | $38.38 | 777 |
| 2018 Q4 | 1,272,998,428 | $44,985,064,349 | -$119,992,913 | $35.34 | 718 |
| 2018 Q3 | 1,275,437,388 | $49,098,811,204 | +$58,794,194 | $38.50 | 691 |
| 2018 Q2 | 1,275,372,403 | $41,701,376,847 | +$905,387,301 | $32.70 | 666 |
| 2018 Q1 | 1,247,785,067 | $34,086,359,222 | -$84,297,838 | $27.32 | 623 |
| 2017 Q4 | 1,251,681,417 | $31,033,748,555 | -$571,929,920 | $24.79 | 626 |
| 2017 Q3 | 1,257,994,341 | $36,669,505,856 | +$154,424,268 | $29.17 | 540 |
| 2017 Q2 | 1,255,156,390 | $34,792,085,619 | +$692,551,623 | $27.72 | 551 |
| 2017 Q1 | 1,267,474,404 | $31,522,421,567 | +$2,448,795,731 | $24.87 | 542 |
| 2016 Q4 | 1,256,884,517 | $27,188,420,894 | +$116,479,233 | $21.63 | 551 |
| 2016 Q3 | 1,246,419,417 | $29,647,638,598 | -$369,820,998 | $23.80 | 556 |
| 2016 Q2 | 1,262,611,502 | $29,505,119,096 | -$150,718,160 | $23.37 | 539 |
| 2016 Q1 | 1,269,843,879 | $23,880,021,494 | +$465,906,216 | $18.81 | 486 |
| 2015 Q4 | 1,247,007,726 | $22,993,733,992 | -$5,635,921 | $18.44 | 493 |
| 2015 Q3 | 1,248,971,320 | $20,494,539,369 | +$591,932,749 | $16.41 | 471 |
| 2015 Q2 | 1,215,355,235 | $21,510,803,226 | +$176,664,688 | $17.70 | 461 |
| 2015 Q1 | 1,201,431,323 | $21,310,851,897 | +$133,869,898 | $17.75 | 464 |
| 2014 Q4 | 1,196,070,635 | $15,855,417,403 | +$52,342,118 | $13.25 | 447 |
| 2014 Q3 | 1,191,833,448 | $14,074,415,503 | +$81,644,412 | $11.81 | 425 |
| 2014 Q2 | 1,185,336,002 | $15,135,557,089 | +$457,953,261 | $12.77 | 448 |
| 2014 Q1 | 1,149,801,360 | $15,539,276,875 | -$98,784,706 | $13.52 | 432 |