Boston ScientificBSX
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 1,795 institutions reported holding Boston Scientific Corp. (BSX) in their 13F filings, up 80 from Q3 2025. 130 opened new positions and 126 sold out. The largest holders were Vanguard Group Inc. ($13.3B), BlackRock, Inc. ($13.0B) and FMR LLC ($9.3B). 15 famous investors held it, including Lee Ainslie (3.0% of Maverick Capital's portfolio), David E. Shaw (0.9% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.8% of Millennium Management's portfolio).
- Company
- Boston Scientific Corp.
- Sector
- Health Care
- CUSIP
- 101137107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 130 | $1.4B |
| Exits | 126 | $555.2M |
All 13F filers, Q3 2025 → Q4 2025: 93,866,808 shares bought and 94,573,043 shares sold, net −706,235 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,795 holders
| Vanguard Group Inc. | 0.19% | Add +1.0% | 139,685,997 | $13.3B |
| BlackRock, Inc. | 0.22% | Reduce -6.3% | 135,987,245 | $13.0B |
| FMR LLC | 0.47% | Reduce -2.1% | 97,386,941 | $9.3B |
| State Street Corp. | 0.21% | Add +1.4% | 65,846,059 | $6.3B |
| Geode Capital Management, LLC | 0.19% | Reduce -0.9% | 32,383,765 | $3.1B |
| Primecap Management Co. | 2.24% | Reduce -6.1% | 31,096,184 | $3.0B |
| Capital World Investors | 0.35% | Add +1.9% | 27,151,575 | $2.6B |
| JPMorgan Chase & Co. | 0.16% | Reduce -10.4% | 25,372,886 | $2.4B |
| Bank of America Corp. | 0.17% | Reduce -25.9% | 25,115,185 | $2.4B |
| Norges Bank | 0.24% | — | 23,066,546 | $2.2B |
| Morgan Stanley | 0.13% | Add +10.8% | 22,960,556 | $2.2B |
| Bollard Group LLC | 47.60% | Reduce -3.7% | 19,000,469 | $1.8B |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 1.56% | Add +32.1% | 18,540,693 | $1.8B |
| Goldman Sachs Group Inc. | 0.23% | Add +10.5% | 16,578,917 | $1.6B |
| UBS Group AG | 0.28% | Add +40.7% | 14,872,126 | $1.4B |
| Northern Trust Corp. | 0.17% | Reduce -3.2% | 13,935,423 | $1.3B |
| Invesco Ltd. | 0.12% | Reduce -21.5% | 13,318,177 | $1.3B |
| Janus Henderson Group PLC | 0.54% | Add +5.2% | 12,589,385 | $1.2B |
| Amundi | 0.36% | Add +3.6% | 12,415,159 | $1.2B |
| D. E. Shaw & Co. | 0.87% | Add +26.3% | 11,249,204 | $1.1B |
| Bank of New York Mellon Corp | 0.19% | Add +1.7% | 11,224,797 | $1.1B |
| Arrowstreet Capital, Limited Partnership | 0.62% | Add +31.9% | 11,035,628 | $1.1B |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.22% | Reduce -0.4% | 10,936,957 | $1.0B |
| Legal & General Group Plc | 0.23% | Add +4.0% | 10,876,617 | $1.0B |
| Millennium Management | 0.76% | Add +32.1% | 11,264,790 | $1.0B |
| Wellington Management Group LLP | 0.16% | Reduce -33.7% | 9,709,089 | $925.8M |
| Nuveen, LLC | 0.23% | Reduce -2.8% | 9,372,294 | $893.6M |
| Fisher Asset Management | 0.30% | Add +8.0% | 9,138,216 | $871.3M |
| Massachusetts Financial Services Co. | 0.28% | Reduce -12.4% | 9,085,528 | $866.3M |
| Charles Schwab Investment Management Inc. | 0.13% | Add +1.2% | 8,946,503 | $853.0M |
| Schroder Investment Management Group | 0.60% | Add +6.9% | 8,349,641 | $796.1M |
| Parnassus Investments, LLC | 1.95% | Add +14.7% | 7,899,240 | $753.2M |
| Edgewood Management LLC | 3.54% | Reduce -16.1% | 7,803,265 | $744.0M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.84% | Add +74.3% | 7,723,080 | $736.4M |
| T. Rowe Price Associates Inc. | 0.08% | Reduce -11.0% | 7,457,286 | $711.1M |
| Farallon Capital Management, L.L.C. | 3.69% | Add +56.7% | 7,439,564 | $709.4M |
| Capital Research Global Investors | 0.12% | Add +6.8% | 7,084,055 | $675.5M |
| Canada Pension Plan Investment Board | 0.44% | Add +30.4% | 6,861,760 | $654.3M |
| Deutsche Bank AG | 0.21% | Reduce -15.0% | 6,748,180 | $643.4M |
| Ameriprise Financial Inc. | 0.14% | Add +17.1% | 6,431,084 | $613.2M |
| Two Sigma Advisers, LP | 1.17% | Add +17.9% | 6,298,460 | $600.6M |
| Dimensional Fund Advisors LP | 0.11% | Add +32.9% | 5,735,230 | $546.9M |
| Franklin Resources Inc. | 0.13% | Reduce -17.4% | 5,676,082 | $541.2M |
| Royal Bank of Canada | 0.09% | Reduce -28.0% | 5,551,572 | $529.3M |
| Qube Research & Technologies Ltd | 0.75% | Reduce -16.5% | 5,505,905 | $525.0M |
| Jennison Associates LLC | 0.31% | Add +10.7% | 5,468,295 | $521.4M |
| Ninety One UK Ltd | 1.11% | Add +1.5% | 5,444,549 | $519.1M |
| Egerton Capital (UK) LLP | 5.58% | Add +1.4% | 5,385,084 | $513.5M |
| Citadel Advisors | 0.31% | Reduce -46.4% | 4,775,618 | $455.4M |
| FIL Ltd | 0.34% | Add +2.1% | 4,758,079 | $453.7M |
| American Century Companies Inc. | 0.22% | Add +15.1% | 4,602,194 | $438.8M |
| Holocene Advisors, LP | 0.90% | Add +51.5% | 4,471,089 | $426.3M |
| Man Group plc | 0.81% | Add +14.3% | 4,392,725 | $418.8M |
| Barclays PLC | 0.17% | Reduce -3.5% | 4,360,692 | $415.8M |
| Assenagon Asset Management S.A. | 0.62% | Add +47.7% | 4,306,176 | $410.6M |
| Pictet Asset Management Holding SA | 0.40% | Add +5.1% | 4,299,773 | $410.0M |
| Wells Fargo & Company | 0.08% | Reduce -0.5% | 4,137,028 | $394.5M |
| Swiss National Bank | 0.23% | Reduce -4.8% | 4,060,500 | $387.2M |
| Polen Capital Management LLC | 1.64% | Reduce -28.2% | 4,019,552 | $383.3M |
| Neuberger Berman Group LLC | 0.28% | Add +0.6% | 4,010,261 | $382.4M |
| Lazard Asset Management LLC | 0.63% | Reduce -41.8% | 3,910,031 | $372.8M |
| Bessemer Group Inc. | 0.57% | Add +34.2% | 3,896,966 | $371.6M |
| Jane Street Group, LLC | 0.43% | Add +27.4% | 3,793,236 | $361.7M |
| Vontobel Holding Ltd. | 1.18% | Reduce -9.8% | 3,763,789 | $358.9M |
| National Pension Service | 0.27% | Add +8.6% | 3,761,615 | $358.7M |
| HSBC Holdings PLC | 0.20% | Add +6.3% | 3,612,252 | $344.7M |
| Raymond James Financial Inc. | 0.10% | Add +11.9% | 3,533,052 | $336.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.19% | Reduce -3.3% | 3,457,461 | $329.7M |
| Swedbank AB | 0.32% | Add +21.7% | 3,429,844 | $327.0M |
| Worldquant Millennium Advisors LLC | 1.25% | Add +86.4% | 3,386,996 | $323.0M |
| BNP Paribas Financial Markets | 0.20% | Add +21.4% | 3,294,638 | $314.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.20% | Add +5.5% | 3,111,069 | $294.6M |
| KBC Group NV | 0.66% | Add +2.9% | 3,044,385 | $290.3M |
| Squarepoint Ops LLC | 0.59% | Add +65.4% | 3,035,288 | $289.4M |
| California Public Employees Retirement System | 0.16% | Reduce -7.6% | 3,012,013 | $287.2M |
| Robeco Institutional Asset Management B.V. | 0.41% | Reduce -4.0% | 2,992,877 | $285.4M |
| Marshall Wace, LLP | 0.27% | Reduce -69.8% | 2,957,237 | $282.0M |
| Maverick Capital | 3.02% | New | 2,944,254 | $280.7M |
| Skandinaviska Enskilda Banken AB (publ) | 1.08% | Add +11.0% | 2,835,055 | $270.3M |
| Alliancebernstein L.P. | 0.08% | Reduce -6.2% | 2,800,729 | $267.0M |
| Rathbones Group PLC | 1.03% | Add +20.9% | 2,759,657 | $263.1M |
| Alecta Tjanstepension Omsesidigt | 1.15% | No change | 2,743,100 | $261.6M |
| Rhumbline Advisers | 0.21% | Reduce -1.1% | 2,697,525 | $257.2M |
| Alphinity Investment Management Pty Ltd | 2.56% | New | 2,652,522 | $252.9M |
| Aberdeen Group plc | 0.39% | Reduce -0.0% | 2,644,312 | $252.1M |
| Envestnet Asset Management Inc. | 0.07% | Reduce -9.2% | 2,607,040 | $248.6M |
| Artisan Partners Limited Partnership | 0.37% | Reduce -46.0% | 2,569,376 | $245.0M |
| SurgoCap Partners LP | 6.76% | Reduce -25.3% | 2,559,210 | $244.0M |
| Handelsbanken Fonder AB | 0.73% | Add +11.7% | 2,520,119 | $240.3M |
| Viking Global Investors | 0.64% | Reduce -5.0% | 2,509,808 | $239.3M |
| Balyasny Asset Management L.P. | 0.46% | Add +59.7% | 2,481,749 | $236.6M |
| Two Sigma Investments, LP | 0.37% | Reduce -2.4% | 2,471,344 | $235.6M |
| Point72 Asset Management | 0.38% | Add +49.3% | 2,434,563 | $232.1M |
| Orbimed Advisors LLC | 4.72% | Reduce -0.4% | 2,419,300 | $230.7M |
| Renaissance Technologies | 0.35% | Add +159.8% | 2,382,705 | $227.2M |
| California State Teachers Retirement System | 0.22% | Reduce -2.0% | 2,357,705 | $224.8M |
| Natixis Advisors, LLC | 0.30% | Reduce -11.9% | 2,208,640 | $210.6M |
| Sei Investments Co. | 0.21% | Reduce -3.8% | 2,207,320 | $210.5M |
| 1832 Asset Management L.P. | 0.27% | Add +6401.5% | 2,201,658 | $209.9M |
| Unisphere Establishment | 1.55% | Add +3.3% | 2,176,700 | $207.5M |
"% of holder's portfolio" is BSX's weight in each manager's 13F, not the share of Boston Scientific Corp. the manager owns.