Boston Scientific Corp
BSX- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000885725
In the last 90 days, Boston Scientific Corp insiders filed 5 open-market purchases and 0 sales; 1,486 institutions reported holding it in 13F filings for Q2 2026, worth $57.3B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q4 2025
Institutional positions in Boston Scientific Corp as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 1,794
- +111 vs. Q3 2025
- Shares held
- 1.36B
- +28.7M (+2.1%) vs. Q3 2025
- Total value
- $130.0B
- −$343.6M (−0.3%) vs. Q3 2025
- New holders
- 239
- 673 more added
- Sold out
- 128
- 687 more reduced
32 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BSX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,486 | $57.3B |
| Q1 2026 | 1,683 | $84.2B |
| Q4 2025 | 1,794 | $130.0B |
| Q3 2025 | 1,715 | $131.1B |
| Q2 2025 | 1,694 | $145.4B |
| Q1 2025 | 1,649 | $135.2B |
| Q4 2024 | 1,520 | $119.8B |
| Q3 2024 | 1,403 | $111.0B |
| Q2 2024 | 1,325 | $102.2B |
| Q1 2024 | 1,227 | $90.9B |
| Q4 2023 | 1,151 | $77.3B |
| Q3 2023 | 1,060 | $70.6B |
| Q2 2023 | 1,069 | $71.6B |
| Q1 2023 | 1,000 | $65.7B |
| Q4 2022 | 930 | $60.5B |
| Q3 2022 | 866 | $50.9B |
| Q2 2022 | 882 | $48.6B |
| Q1 2022 | 909 | $57.0B |
| Q4 2021 | 892 | $54.8B |
| Q3 2021 | 884 | $56.6B |
| Q2 2021 | 873 | $55.3B |
| Q1 2021 | 836 | $49.9B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Credit Agricole S A | 2,173,997 | $207.3M | 0.57% | +76,157+3.6% | Added |
| Voya Investment Management LLC | 2,170,682 | $207.0M | 0.20% | −2,213,687−50.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,173,399 | $205.8M | 0.33% | +139,004+6.8% | Added |
| Employees Provident Fund Board | 2,134,591 | $203.5M | 1.50% | 00.0% | Unchanged |
| Stifel Financial Corp | 2,114,497 | $201.6M | 0.18% | −65,583−3.0% | Reduced |
| Adage Capital Partners GP, L.L.C. | 2,082,360 | $198.6M | 0.30% | +734,944+54.5% | Added |
| Temasek Holdings (Private) Ltd | 2,081,626 | $198.5M | 0.64% | +402,300+24.0% | Added |
| Mackenzie Financial Corp | 2,067,848 | $198.1M | 0.23% | −1,035,660−33.4% | Reduced |
| Walleye Capital LLC | 2,041,414 | $194.6M | 1.11% | +1,273,969+166.0% | Added |
| Bank of Montreal | 2,040,366 | $194.5M | 0.08% | −97,682−4.6% | Reduced |
| Allianz Asset Management GmbH | 1,999,592 | $190.7M | 0.22% | +508,046+34.1% | Added |
| Danica Pension, Livsforsikringsaktieselskab | 1,994,729 | $190.2M | 2.74% | +215,837+12.1% | Added |
| Bank of Nova Scotia | 1,994,081 | $190.1M | 0.28% | −680,471−25.4% | Reduced |
| Russell Investments Group, Ltd. | 1,945,575 | $185.7M | 0.20% | +291,108+17.6% | Added |
| First Manhattan Co | 1,881,937 | $179.4M | 0.47% | +1,696,478+914.7% | Added |
| TD Asset Management Inc | 1,865,401 | $177.9M | 0.14% | −129,015−6.5% | Reduced |
| New York State Common Retirement Fund | 1,808,953 | $172.5M | 0.23% | −114,568−6.0% | Reduced |
| Voloridge Investment Management, LLC | 1,803,913 | $172.0M | 0.60% | −805,508−30.9% | Reduced |
| Great Lakes Advisors, LLC | 1,776,776 | $169.4M | 1.38% | −57,625−3.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,730,365 | $165.0M | 0.36% | −135,917−7.3% | Reduced |
| Impax Asset Management Group plc | 1,723,927 | $164.4M | 1.03% | −3,453−0.2% | Reduced |
| LPL Financial LLC | 1,705,827 | $162.7M | 0.04% | +34,717+2.1% | Added |
| Agf Management Ltd | 1,687,336 | $160.9M | 0.70% | −1,550,646−47.9% | Reduced |
| Federated Hermes, Inc. | 1,676,886 | $159.9M | 0.27% | +32,367+2.0% | Added |
| Principal Financial Group Inc | 1,671,658 | $159.4M | 0.08% | +34,420+2.1% | Added |
| Congress Asset Management Co | 1,649,958 | $157.3M | 1.11% | −34,119−2.0% | Reduced |
| Axiom Investors LLC | 1,641,563 | $156.5M | 1.37% | −933,102−36.2% | Reduced |
| Ilex Capital Partners (UK) LLP | 1,600,801 | $152.6M | 4.31% | +1,600,801 | New |
| Prudential Financial Inc | 1,584,435 | $151.1M | 0.18% | +249,426+18.7% | Added |
| Ensign Peak Advisors, Inc | 1,577,762 | $150.4M | 0.27% | +102,272+6.9% | Added |
| Bellevue Group AG | 1,559,606 | $148.7M | 2.82% | −100,243−6.0% | Reduced |
| DekaBank Deutsche Girozentrale | 1,844,793 | $146.5M | 0.27% | 00.0% | Unchanged |
| Panagora Asset Management Inc | 1,489,184 | $142.0M | 0.50% | +644,314+76.3% | Added |
| Aviva PLC | 1,485,712 | $141.7M | 0.24% | +311,905+26.6% | Added |
| Caisse de Depot Et Placement du Quebec | 1,446,092 | $137.9M | 0.23% | +104,605+7.8% | Added |
| TCW Group Inc | 1,429,742 | $136.3M | 0.98% | +97,947+7.4% | Added |
| Huntington National Bank | 1,428,134 | $136.2M | 0.82% | +8,103+0.6% | Added |
| Storebrand Asset Management AS | 1,421,212 | $135.5M | 0.36% | −117,628−7.6% | Reduced |
| Korea Investment CORP | 1,419,251 | $135.3M | 0.27% | −42,359−2.9% | Reduced |
| Public Sector Pension Investment Board | 1,416,308 | $135.0M | 0.45% | −407,173−22.3% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,381,666 | $131.8M | 0.21% | +48,539+3.6% | Added |
| Mirova US LLC | 1,370,029 | $130.6M | 1.31% | +1,370,029 | New |
| Groupama Asset Managment | 1,366,905 | $130.3M | 1.91% | +34,424+2.6% | Added |
| Citigroup Inc | 1,356,499 | $129.3M | 0.09% | −749,602−35.6% | Reduced |
| Freestone Grove Partners LP | 1,327,239 | $126.6M | 0.91% | +1,254,840+1,733.2% | Added |
| Eurizon Capital SGR S.p.A. | 1,297,933 | $123.9M | 0.39% | +1,297,933 | New |
| State Board of Administration of Florida Retirement System | 1,288,698 | $122.9M | 0.22% | −58,527−4.3% | Reduced |
| National Bank of Canada | 1,276,235 | $121.7M | 0.12% | −365,978−22.3% | Reduced |
| Cerity Partners LLC | 1,265,524 | $120.7M | 0.18% | +39,345+3.2% | Added |
| Munro Partners | 1,256,810 | $119.8M | 3.34% | +14,730+1.2% | Added |
| AustralianSuper Pty Ltd | 1,237,191 | $118.0M | 0.55% | −1,509,137−55.0% | Reduced |
| Ci Investments Inc. | 1,221,152 | $116.4M | 0.51% | −394,422−24.4% | Reduced |
| Banque Transatlantique SA | 1,211,331 | $115.5M | 2.80% | +139,431+13.0% | Added |
| New York State Teachers Retirement System | 1,208,251 | $115.2M | 0.22% | −8,900−0.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,188,016 | $113.3M | 0.06% | −33,827−2.8% | Reduced |
| Great West Life Assurance Co | 1,159,096 | $110.6M | 0.19% | −801,463−40.9% | Reduced |
| Capital Fund Management S.A. | 1,152,048 | $109.8M | 1.04% | +612,642+113.6% | Added |
| Tredje AP-fonden | 1,146,889 | $109.4M | 0.82% | +76,201+7.1% | Added |
| Candriam Luxembourg S.C.A. | 1,129,838 | $107.7M | 0.54% | −117,633−9.4% | Reduced |
| AQR Capital Management LLC | 1,097,745 | $104.7M | 0.05% | −74,106−6.3% | Reduced |
| Fred Alger Management, LLC | 1,096,675 | $104.6M | 0.41% | +110,728+11.2% | Added |
| CIBC Private Wealth Group, LLC | 1,096,053 | $104.5M | 0.18% | −291,633−21.0% | Reduced |
| Public Employees Retirement Association of Colorado | 1,083,552 | $103.3M | 0.38% | −197,687−15.4% | Reduced |
| Acadian Asset Management LLC | 1,081,273 | $103.1M | 0.17% | +224,967+26.3% | Added |
| Gilder Gagnon Howe & Co LLC | 1,077,221 | $102.7M | 1.08% | −26,104−2.4% | Reduced |
| Manufacturers Life Insurance Company, The | 1,028,376 | $98.2M | 0.08% | −46,516−4.3% | Reduced |
| Toronto Dominion Bank | 1,024,051 | $97.6M | 0.17% | +470,096+84.9% | Added |
| Perceptive Advisors LLC | 979,000 | $93.3M | 1.71% | +669,000+215.8% | Added |
| AMF Pensionsforsakring AB | 952,950 | $90.9M | 0.56% | +46,538+5.1% | Added |
| PFA Pension, Forsikringsaktieselskab | 926,379 | $88.9M | 0.25% | +926,379 | New |
| Nomura Asset Management Co Ltd | 906,900 | $86.5M | 0.22% | +26,655+3.0% | Added |
| STRS Ohio | 891,495 | $85.0M | 0.32% | +5,529+0.6% | Added |
| Asset Management One Co.,Ltd. | 879,105 | $84.1M | 0.23% | +103,326+13.3% | Added |
| Calamos Advisors LLC | 871,657 | $83.1M | 0.34% | −22,773−2.5% | Reduced |
| Danske Bank A/S | 865,062 | $82.5M | 0.19% | −103,023−10.6% | Reduced |
| APG Asset Management N.V. | 989,579 | $80.3M | 0.23% | −71,458−6.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 818,916 | $78.1M | 0.20% | +559,969+216.2% | Added |
| Milford Funds Ltd | 815,279 | $77.7M | 1.53% | +815,279 | New |
| Sands Capital Management, LLC | 805,164 | $76.8M | 0.23% | +805,164 | New |
| Lansforsakringar Fondforvaltning AB (publ) | 791,176 | $75.4M | 0.37% | −4,913−0.6% | Reduced |
| Woodline Partners LP | 779,904 | $74.4M | 0.29% | +316,481+68.3% | Added |
| State of Wisconsin Investment Board | 767,854 | $73.2M | 0.16% | −73,676−8.8% | Reduced |
| UniSuper Management Pty Ltd | 760,684 | $72.5M | 0.43% | −318,658−29.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 752,107 | $71.7M | 0.19% | −4,316−0.6% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 747,146 | $71.2M | 0.17% | +6,725+0.9% | Added |
| Northwestern Mutual Wealth Management Co | 735,852 | $70.2M | 0.04% | +63,773+9.5% | Added |
| Clearbridge Investments, LLC | 733,237 | $69.9M | 0.06% | +730,376+25,528.7% | Added |
| Tudor Investment Corp Et Al | 732,838 | $69.9M | 0.38% | +72,652+11.0% | Added |
| Engineers Gate Manager LP | 706,897 | $67.4M | 0.80% | +148,852+26.7% | Added |
| Employees Retirement System of Texas | 687,751 | $65.6M | 0.53% | +132,800+23.9% | Added |
| Abn Amro Investment Solutions | 687,007 | $65.5M | 0.97% | +126,088+22.5% | Added |
| Quantinno Capital Management LP | 680,038 | $64.8M | 0.13% | +167,468+32.7% | Added |
| Royal London Asset Management Ltd | 673,251 | $64.2M | 0.14% | −5,810−0.9% | Reduced |
| Federation des caisses Desjardins du Quebec | 660,545 | $63.0M | 0.24% | +462,046+232.8% | Added |
| Atalanta Sosnoff Capital, LLC | 651,995 | $62.2M | 1.21% | −43,573−6.3% | Reduced |
| Thrivent Financial for Lutherans | 639,120 | $61.0M | 0.11% | +3,134+0.5% | Added |
| Nicholas Company, Inc. | 627,158 | $59.8M | 1.05% | 00.0% | Unchanged |
| Public Employees Retirement System of Ohio | 626,456 | $59.7M | 0.19% | −19,889−3.1% | Reduced |
| Treasurer of the State of North Carolina | 618,485 | $59.0M | 0.19% | −45,197−6.8% | Reduced |
| KLP Kapitalforvaltning AS | 610,556 | $58.2M | 0.22% | −2,100−0.3% | Reduced |