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, Q3 2025
Institutional positions in Boston Scientific Corp as of Sep 30, 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
- 1,715
- +48 vs. Q2 2025
- Shares held
- 1.34B
- +10.1M (+0.8%) vs. Q2 2025
- Total value
- $131.1B
- −$12.0B (−8.4%) vs. Q2 2025
- New holders
- 179
- 769 more added
- Sold out
- 131
- 558 more reduced
27 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of Montreal | 2,138,048 | $208.7M | 0.09% | +117,554+5.8% | Added |
| Employees Provident Fund Board | 2,134,591 | $208.4M | 1.67% | +126,761+6.3% | Added |
| Unisphere Establishment | 2,107,200 | $205.7M | 1.61% | +140,800+7.2% | Added |
| Citigroup Inc | 2,106,101 | $205.6M | 0.14% | −1,926,956−47.8% | Reduced |
| Credit Agricole S A | 2,097,840 | $204.8M | 0.68% | +2,097,840 | New |
| Allspring Global Investments Holdings, LLC | 2,034,395 | $195.0M | 0.31% | +228,919+12.7% | Added |
| TD Asset Management Inc | 1,994,416 | $194.7M | 0.16% | −185,778−8.5% | Reduced |
| Great West Life Assurance Co | 1,960,559 | $190.2M | 0.27% | +36,150+1.9% | Added |
| Macquarie Group Ltd | 1,935,992 | $189.0M | 0.22% | −9,213−0.5% | Reduced |
| New York State Common Retirement Fund | 1,923,521 | $187.8M | 0.24% | −159,813−7.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,866,282 | $182.2M | 0.42% | +50,938+2.8% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $179.9M | 0.30% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 1,835,161 | $179.2M | 0.38% | +1,612,916+725.7% | Added |
| Great Lakes Advisors, LLC | 1,834,401 | $179.1M | 1.49% | −25,464−1.4% | Reduced |
| Public Sector Pension Investment Board | 1,823,481 | $178.0M | 0.66% | +903,448+98.2% | Added |
| Worldquant Millennium Advisors LLC | 1,816,721 | $177.4M | 0.77% | −408,825−18.4% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 1,778,892 | $173.7M | 2.68% | +72,877+4.3% | Added |
| Impax Asset Management Group plc | 1,727,380 | $168.6M | 0.98% | +277,644+19.2% | Added |
| Congress Asset Management Co | 1,684,077 | $164.4M | 1.09% | −17,493−1.0% | Reduced |
| Temasek Holdings (Private) Ltd | 1,679,326 | $164.0M | 0.57% | +593,915+54.7% | Added |
| LPL Financial LLC | 1,671,110 | $163.2M | 0.05% | +66,669+4.2% | Added |
| Bellevue Group AG | 1,659,849 | $162.1M | 3.37% | −105,345−6.0% | Reduced |
| Russell Investments Group, Ltd. | 1,654,467 | $161.4M | 0.18% | +211,827+14.7% | Added |
| Federated Hermes, Inc. | 1,644,519 | $160.6M | 0.28% | −168,986−9.3% | Reduced |
| National Bank of Canada | 1,642,213 | $160.3M | 0.18% | +237,912+16.9% | Added |
| Principal Financial Group Inc | 1,637,238 | $159.8M | 0.08% | −215,555−11.6% | Reduced |
| Point72 Asset Management, L.P. | 1,631,053 | $159.2M | 0.35% | −829,610−33.7% | Reduced |
| Ci Investments Inc. | 1,615,574 | $157.7M | 0.57% | +128,875+8.7% | Added |
| Balyasny Asset Management LLC | 1,553,901 | $151.7M | 0.31% | +48,988+3.3% | Added |
| Storebrand Asset Management AS | 1,538,840 | $150.2M | 0.40% | +92,099+6.4% | Added |
| Allianz Asset Management GmbH | 1,491,546 | $145.6M | 0.18% | −349,670−19.0% | Reduced |
| Ensign Peak Advisors, Inc | 1,475,490 | $144.1M | 0.24% | +224,012+17.9% | Added |
| Korea Investment CORP | 1,461,610 | $142.7M | 0.29% | −1,101−0.1% | Reduced |
| Huntington National Bank | 1,420,031 | $138.6M | 0.85% | +31,750+2.3% | Added |
| CIBC Private Wealth Group, LLC | 1,387,686 | $135.5M | 0.23% | +9,670+0.7% | Added |
| Adage Capital Partners GP, L.L.C. | 1,347,416 | $131.5M | 0.21% | −707,949−34.4% | Reduced |
| State Board of Administration of Florida Retirement System | 1,347,225 | $131.5M | 0.23% | −115,871−7.9% | Reduced |
| Caisse de Depot Et Placement du Quebec | 1,341,487 | $131.0M | 0.24% | +145,731+12.2% | Added |
| Prudential Financial Inc | 1,335,009 | $130.3M | 0.15% | +55,776+4.4% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,333,127 | $130.2M | 0.22% | −21,558−1.6% | Reduced |
| Groupama Asset Managment | 1,332,481 | $130.1M | 1.91% | −77,295−5.5% | Reduced |
| TCW Group Inc | 1,331,795 | $130.0M | 1.09% | −57,903−4.2% | Reduced |
| Public Employees Retirement Association of Colorado | 1,281,239 | $125.1M | 0.46% | −23,048−1.8% | Reduced |
| Candriam Luxembourg S.C.A. | 1,247,471 | $121.8M | 0.64% | +411,446+49.2% | Added |
| Munro Partners | 1,242,080 | $121.3M | 3.32% | +283,475+29.6% | Added |
| Cerity Partners LLC | 1,226,179 | $119.7M | 0.19% | −75,325−5.8% | Reduced |
| The PNC Financial Services Group, Inc. | 1,221,843 | $119.3M | 0.07% | +6,047+0.5% | Added |
| New York State Teachers Retirement System | 1,217,151 | $118.8M | 0.23% | −8,465−0.7% | Reduced |
| Aviva PLC | 1,173,807 | $114.6M | 0.21% | +84,108+7.7% | Added |
| AQR Capital Management LLC | 1,171,851 | $114.4M | 0.07% | −671,342−36.4% | Reduced |
| Lord, Abbett & Co. LLC | 1,122,824 | $109.6M | 0.33% | −211,945−15.9% | Reduced |
| Gilder Gagnon Howe & Co LLC | 1,103,325 | $107.7M | 1.10% | −21,928−1.9% | Reduced |
| UniSuper Management Pty Ltd | 1,079,342 | $105.4M | 0.65% | +169,181+18.6% | Added |
| Manufacturers Life Insurance Company, The | 1,074,892 | $104.9M | 0.09% | −83,197−7.2% | Reduced |
| Tredje AP-fonden | 1,070,688 | $104.5M | 0.84% | +210,000+24.4% | Added |
| Banque Transatlantique SA | 1,071,900 | $104.5M | 2.55% | +144,422+15.6% | Added |
| Fred Alger Management, LLC | 985,947 | $96.3M | 0.37% | −2,022−0.2% | Reduced |
| Danske Bank A/S | 968,085 | $94.5M | 0.24% | −119,385−11.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 940,624 | $91.8M | 0.64% | +319,943+51.5% | Added |
| Renaissance Technologies LLC | 917,105 | $89.5M | 0.12% | −579,436−38.7% | Reduced |
| AMF Pensionsforsakring AB | 906,412 | $88.5M | 0.56% | +18,208+2.0% | Added |
| Cubist Systematic Strategies, LLC | 903,124 | $88.2M | 1.24% | +451,164+99.8% | Added |
| APG Asset Management N.V. | 1,061,037 | $88.2M | 0.25% | +57,859+5.8% | Added |
| Calamos Advisors LLC | 894,430 | $87.3M | 0.35% | −105,849−10.6% | Reduced |
| HRT Financial LP | 892,345 | $87.1M | 0.32% | +555,075+164.6% | Added |
| STRS Ohio | 885,966 | $86.5M | 0.32% | −213,247−19.4% | Reduced |
| Nomura Asset Management Co Ltd | 880,245 | $85.9M | 0.22% | +3,180+0.4% | Added |
| Acadian Asset Management LLC | 856,306 | $83.6M | 0.15% | −31,172−3.5% | Reduced |
| Panagora Asset Management Inc | 844,870 | $82.5M | 0.33% | +176,981+26.5% | Added |
| State of Wisconsin Investment Board | 841,530 | $82.2M | 0.19% | +34,794+4.3% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 796,089 | $77.7M | 0.40% | −28,276−3.4% | Reduced |
| Teacher Retirement System of Texas | 795,537 | $77.7M | 0.31% | −136,256−14.6% | Reduced |
| Asset Management One Co.,Ltd. | 775,779 | $75.7M | 0.22% | +7,745+1.0% | Added |
| Walleye Capital LLC | 767,445 | $74.9M | 0.61% | +487,641+174.3% | Added |
| Chevy Chase Trust Holdings, Inc. | 756,423 | $73.8M | 0.20% | −25,251−3.2% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 740,421 | $72.3M | 0.16% | −43,237−5.5% | Reduced |
| Meridiem Capital Partners LP | 720,071 | $70.3M | 4.84% | +293,752+68.9% | Added |
| Atalanta Sosnoff Capital, LLC | 695,568 | $67.9M | 1.30% | −19,199−2.7% | Reduced |
| Royal London Asset Management Ltd | 679,061 | $66.3M | 0.14% | −10,746−1.6% | Reduced |
| Northwestern Mutual Wealth Management Co | 672,079 | $65.6M | 0.04% | −1,531−0.2% | Reduced |
| RE Advisers Corp | 668,426 | $65.3M | 1.55% | −91,000−12.0% | Reduced |
| Treasurer of the State of North Carolina | 663,682 | $64.8M | 0.20% | −25,852−3.7% | Reduced |
| Tudor Investment Corp Et Al | 660,186 | $64.5M | 0.42% | +9,566+1.5% | Added |
| Polar Capital Holdings Plc | 654,258 | $63.9M | 0.31% | +200,001+44.0% | Added |
| Public Employees Retirement System of Ohio | 646,345 | $63.1M | 0.20% | −25,590−3.8% | Reduced |
| Thrivent Financial for Lutherans | 635,986 | $62.1M | 0.12% | +71,147+12.6% | Added |
| Nicholas Company, Inc. | 627,158 | $61.2M | 1.04% | 00.0% | Unchanged |
| Groupe la Francaise | 615,653 | $60.0M | 0.82% | −16,478−2.6% | Reduced |
| KLP Kapitalforvaltning AS | 612,656 | $59.8M | 0.24% | −1,400−0.2% | Reduced |
| Ossiam | 611,448 | $59.7M | 0.77% | −38,766−6.0% | Reduced |
| CIBC Bancorp USA Inc. | 604,347 | $59.0M | 0.36% | +604,347 | New |
| Chicago Capital, LLC | 583,724 | $57.0M | 1.40% | −1,435−0.2% | Reduced |
| Gateway Investment Advisers LLC | 580,471 | $56.7M | 0.55% | +1580.0% | Added |
| Sofinnova Investments, Inc. | 569,427 | $55.6M | 3.41% | +138,227+32.1% | Added |
| ZWJ Investment Counsel Inc | 565,014 | $55.2M | 1.95% | −738−0.1% | Reduced |
| Mn Services Vermogensbeheer B.V. | 562,800 | $54.9M | 0.36% | +9,800+1.8% | Added |
| Harvest Portfolios Group Inc. | 562,743 | $54.9M | 1.01% | +13,141+2.4% | Added |
| Abn Amro Investment Solutions | 560,919 | $54.8M | 1.12% | +473,283+540.1% | Added |
| Engineers Gate Manager LP | 558,045 | $54.5M | 0.62% | +365,061+189.2% | Added |
| Employees Retirement System of Texas | 554,951 | $54.2M | 0.43% | −4,900−0.9% | Reduced |