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
- 1,714
- +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
- 557 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 |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 482,557 | $47.1M | 0.07% | +183,670+61.5% | Added |
| Fisher Funds Management LTD | 483,216 | $47.2M | 1.25% | −465,878−49.1% | Reduced |
| Victory Capital Management Inc | 483,268 | $47.2M | 0.03% | −305,210−38.7% | Reduced |
| Hudson Bay Capital Management LP | 485,906 | $47.4M | 0.29% | +1,906+0.4% | Added |
| Samlyn Capital, LLC | 486,860 | $47.5M | 0.67% | +486,860 | New |
| Synergy Financial Management, LLC | 493,323 | $48.3M | 1.75% | +479,593+3,493.0% | Added |
| Quantinno Capital Management LP | 512,570 | $50.0M | 0.14% | +168,685+49.1% | Added |
| State of New Jersey Common Pension Fund D | 517,472 | $50.5M | 0.19% | +21,386+4.3% | Added |
| Colony Group, LLC | 518,225 | $50.6M | 0.08% | +194,947+60.3% | Added |
| State of Tennessee, Treasury Department | 531,482 | $51.9M | 0.17% | −31,129−5.5% | Reduced |
| Capital Fund Management S.A. | 539,406 | $52.7M | 0.53% | +539,406 | New |
| Saudi Central Bank | 539,426 | $52.7M | 2.00% | +30.0% | Added |
| Natixis | 545,668 | $53.3M | 0.29% | +55,582+11.3% | Added |
| Toronto Dominion Bank | 553,955 | $54.1M | 0.10% | −52,079−8.6% | Reduced |
| Employees Retirement System of Texas | 554,951 | $54.2M | 0.43% | −4,900−0.9% | Reduced |
| Engineers Gate Manager LP | 558,045 | $54.5M | 0.62% | +365,061+189.2% | Added |
| Abn Amro Investment Solutions | 560,919 | $54.8M | 1.12% | +473,283+540.1% | Added |
| Harvest Portfolios Group Inc. | 562,743 | $54.9M | 1.01% | +13,141+2.4% | Added |
| Mn Services Vermogensbeheer B.V. | 562,800 | $54.9M | 0.36% | +9,800+1.8% | Added |
| ZWJ Investment Counsel Inc | 565,014 | $55.2M | 1.95% | −738−0.1% | Reduced |
| Sofinnova Investments, Inc. | 569,427 | $55.6M | 3.41% | +138,227+32.1% | Added |
| Gateway Investment Advisers LLC | 580,471 | $56.7M | 0.55% | +1580.0% | Added |
| Chicago Capital, LLC | 583,724 | $57.0M | 1.40% | −1,435−0.2% | Reduced |
| CIBC Bancorp USA Inc. | 604,347 | $59.0M | 0.36% | +604,347 | New |
| Ossiam | 611,448 | $59.7M | 0.77% | −38,766−6.0% | Reduced |
| KLP Kapitalforvaltning AS | 612,656 | $59.8M | 0.24% | −1,400−0.2% | Reduced |
| Groupe la Francaise | 615,653 | $60.0M | 0.82% | −16,478−2.6% | Reduced |
| Nicholas Company, Inc. | 627,158 | $61.2M | 1.04% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 635,986 | $62.1M | 0.12% | +71,147+12.6% | Added |
| Public Employees Retirement System of Ohio | 646,345 | $63.1M | 0.20% | −25,590−3.8% | Reduced |
| Polar Capital Holdings Plc | 654,258 | $63.9M | 0.31% | +200,001+44.0% | Added |
| Tudor Investment Corp Et Al | 660,186 | $64.5M | 0.42% | +9,566+1.5% | Added |
| Treasurer of the State of North Carolina | 663,682 | $64.8M | 0.20% | −25,852−3.7% | Reduced |
| RE Advisers Corp | 668,426 | $65.3M | 1.55% | −91,000−12.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 672,079 | $65.6M | 0.04% | −1,531−0.2% | Reduced |
| Royal London Asset Management Ltd | 679,061 | $66.3M | 0.14% | −10,746−1.6% | Reduced |
| Atalanta Sosnoff Capital, LLC | 695,568 | $67.9M | 1.30% | −19,199−2.7% | Reduced |
| Meridiem Capital Partners LP | 720,071 | $70.3M | 4.84% | +293,752+68.9% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 740,421 | $72.3M | 0.16% | −43,237−5.5% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 756,423 | $73.8M | 0.20% | −25,251−3.2% | Reduced |
| Walleye Capital LLC | 767,445 | $74.9M | 0.61% | +487,641+174.3% | Added |
| Asset Management One Co.,Ltd. | 775,779 | $75.7M | 0.22% | +7,745+1.0% | Added |
| Teacher Retirement System of Texas | 795,537 | $77.7M | 0.31% | −136,256−14.6% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 796,089 | $77.7M | 0.40% | −28,276−3.4% | Reduced |
| State of Wisconsin Investment Board | 841,530 | $82.2M | 0.19% | +34,794+4.3% | Added |
| Panagora Asset Management Inc | 844,870 | $82.5M | 0.33% | +176,981+26.5% | Added |
| Acadian Asset Management LLC | 856,306 | $83.6M | 0.15% | −31,172−3.5% | Reduced |
| Nomura Asset Management Co Ltd | 880,245 | $85.9M | 0.22% | +3,180+0.4% | Added |
| STRS Ohio | 885,966 | $86.5M | 0.32% | −213,247−19.4% | Reduced |
| HRT Financial LP | 892,345 | $87.1M | 0.32% | +555,075+164.6% | Added |
| Calamos Advisors LLC | 894,430 | $87.3M | 0.35% | −105,849−10.6% | Reduced |
| APG Asset Management N.V. | 1,061,037 | $88.2M | 0.25% | +57,859+5.8% | Added |
| Cubist Systematic Strategies, LLC | 903,124 | $88.2M | 1.24% | +451,164+99.8% | Added |
| AMF Pensionsforsakring AB | 906,412 | $88.5M | 0.56% | +18,208+2.0% | Added |
| Renaissance Technologies LLC | 917,105 | $89.5M | 0.12% | −579,436−38.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 940,624 | $91.8M | 0.64% | +319,943+51.5% | Added |
| Danske Bank A/S | 968,085 | $94.5M | 0.24% | −119,385−11.0% | Reduced |
| Fred Alger Management, LLC | 985,947 | $96.3M | 0.37% | −2,022−0.2% | Reduced |
| Banque Transatlantique SA | 1,071,900 | $104.5M | 2.55% | +144,422+15.6% | Added |
| Tredje AP-fonden | 1,070,688 | $104.5M | 0.84% | +210,000+24.4% | Added |
| Manufacturers Life Insurance Company, The | 1,074,892 | $104.9M | 0.09% | −83,197−7.2% | Reduced |
| UniSuper Management Pty Ltd | 1,079,342 | $105.4M | 0.65% | +169,181+18.6% | Added |
| Gilder Gagnon Howe & Co LLC | 1,103,325 | $107.7M | 1.10% | −21,928−1.9% | Reduced |
| Lord, Abbett & Co. LLC | 1,122,824 | $109.6M | 0.33% | −211,945−15.9% | Reduced |
| AQR Capital Management LLC | 1,171,851 | $114.4M | 0.07% | −671,342−36.4% | Reduced |
| Aviva PLC | 1,173,807 | $114.6M | 0.21% | +84,108+7.7% | Added |
| New York State Teachers Retirement System | 1,217,151 | $118.8M | 0.23% | −8,465−0.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,221,843 | $119.3M | 0.07% | +6,047+0.5% | Added |
| Cerity Partners LLC | 1,226,179 | $119.7M | 0.19% | −75,325−5.8% | Reduced |
| Munro Partners | 1,242,080 | $121.3M | 3.32% | +283,475+29.6% | Added |
| Candriam Luxembourg S.C.A. | 1,247,471 | $121.8M | 0.64% | +411,446+49.2% | Added |
| Public Employees Retirement Association of Colorado | 1,281,239 | $125.1M | 0.46% | −23,048−1.8% | Reduced |
| TCW Group Inc | 1,331,795 | $130.0M | 1.09% | −57,903−4.2% | Reduced |
| Groupama Asset Managment | 1,332,481 | $130.1M | 1.91% | −77,295−5.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,333,127 | $130.2M | 0.22% | −21,558−1.6% | Reduced |
| Prudential Financial Inc | 1,335,009 | $130.3M | 0.15% | +55,776+4.4% | Added |
| Caisse de Depot Et Placement du Quebec | 1,341,487 | $131.0M | 0.24% | +145,731+12.2% | Added |
| State Board of Administration of Florida Retirement System | 1,347,225 | $131.5M | 0.23% | −115,871−7.9% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,347,416 | $131.5M | 0.21% | −707,949−34.4% | Reduced |
| CIBC Private Wealth Group, LLC | 1,387,686 | $135.5M | 0.23% | +9,670+0.7% | Added |
| Huntington National Bank | 1,420,031 | $138.6M | 0.85% | +31,750+2.3% | Added |
| Korea Investment CORP | 1,461,610 | $142.7M | 0.29% | −1,101−0.1% | Reduced |
| Ensign Peak Advisors, Inc | 1,475,490 | $144.1M | 0.24% | +224,012+17.9% | Added |
| Allianz Asset Management GmbH | 1,491,546 | $145.6M | 0.18% | −349,670−19.0% | Reduced |
| Storebrand Asset Management AS | 1,538,840 | $150.2M | 0.40% | +92,099+6.4% | Added |
| Balyasny Asset Management LLC | 1,553,901 | $151.7M | 0.31% | +48,988+3.3% | Added |
| Ci Investments Inc. | 1,615,574 | $157.7M | 0.57% | +128,875+8.7% | Added |
| Point72 Asset Management, L.P. | 1,631,053 | $159.2M | 0.35% | −829,610−33.7% | Reduced |
| Principal Financial Group Inc | 1,637,238 | $159.8M | 0.08% | −215,555−11.6% | Reduced |
| National Bank of Canada | 1,642,213 | $160.3M | 0.18% | +237,912+16.9% | Added |
| Federated Hermes, Inc. | 1,644,519 | $160.6M | 0.28% | −168,986−9.3% | Reduced |
| Russell Investments Group, Ltd. | 1,654,467 | $161.4M | 0.18% | +211,827+14.7% | Added |
| Bellevue Group AG | 1,659,849 | $162.1M | 3.37% | −105,345−6.0% | Reduced |
| LPL Financial LLC | 1,671,110 | $163.2M | 0.05% | +66,669+4.2% | Added |
| Temasek Holdings (Private) Ltd | 1,679,326 | $164.0M | 0.57% | +593,915+54.7% | Added |
| Congress Asset Management Co | 1,684,077 | $164.4M | 1.09% | −17,493−1.0% | Reduced |
| Impax Asset Management Group plc | 1,727,380 | $168.6M | 0.98% | +277,644+19.2% | Added |
| Danica Pension, Livsforsikringsaktieselskab | 1,778,892 | $173.7M | 2.68% | +72,877+4.3% | Added |
| Worldquant Millennium Advisors LLC | 1,816,721 | $177.4M | 0.77% | −408,825−18.4% | Reduced |
| Public Sector Pension Investment Board | 1,823,481 | $178.0M | 0.66% | +903,448+98.2% | Added |