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, Q2 2025
Institutional positions in Boston Scientific Corp as of Jun 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
- 1,694
- +64 vs. Q1 2025
- Shares held
- 1.35B
- +15.0M (+1.1%) vs. Q1 2025
- Total value
- $145.4B
- +$10.4B (+7.7%) vs. Q1 2025
- New holders
- 155
- 755 more added
- Sold out
- 91
- 551 more reduced
19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Skandinaviska Enskilda Banken AB (publ) | 2,025,153 | $217.5M | 0.95% | +663,569+48.7% | Added |
| Bank of Montreal | 2,020,494 | $217.0M | 0.11% | −113,247−5.3% | Reduced |
| Voloridge Investment Management, LLC | 2,018,678 | $216.8M | 0.80% | +2,018,678 | New |
| Employees Provident Fund Board | 2,007,830 | $215.7M | 1.86% | +621,213+44.8% | Added |
| Unisphere Establishment | 1,966,400 | $211.2M | 1.70% | −200,000−9.2% | Reduced |
| Macquarie Group Ltd | 1,945,205 | $208.9M | 0.26% | −61,537−3.1% | Reduced |
| Great West Life Assurance Co | 1,924,409 | $206.9M | 0.33% | +101,925+5.6% | Added |
| Great Lakes Advisors, LLC | 1,859,865 | $199.8M | 1.67% | −208,338−10.1% | Reduced |
| Principal Financial Group Inc | 1,852,793 | $199.0M | 0.11% | −34,044−1.8% | Reduced |
| Allianz Asset Management GmbH | 1,841,216 | $197.8M | 0.26% | +451,135+32.5% | Added |
| AQR Capital Management LLC | 1,843,193 | $197.1M | 0.16% | +687,364+59.5% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $195.3M | 0.35% | +147,932+8.7% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,815,344 | $195.0M | 0.48% | +495,346+37.5% | Added |
| Federated Hermes, Inc. | 1,813,505 | $194.8M | 0.37% | +18,665+1.0% | Added |
| Bellevue Group AG | 1,765,194 | $189.6M | 4.18% | −185,826−9.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 1,805,476 | $189.2M | 0.32% | −49,764−2.7% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 1,706,015 | $183.2M | 3.07% | +108,733+6.8% | Added |
| Congress Asset Management Co | 1,701,570 | $182.8M | 1.25% | −17,258−1.0% | Reduced |
| Egerton Capital (UK) LLP | 1,640,956 | $176.3M | 1.81% | +1,640,956 | New |
| LPL Financial LLC | 1,604,441 | $172.3M | 0.06% | +480,430+42.7% | Added |
| Mackenzie Financial Corp | 1,603,611 | $172.2M | 0.22% | +832,272+107.9% | Added |
| Balyasny Asset Management LLC | 1,504,913 | $161.6M | 0.37% | −333,266−18.1% | Reduced |
| Renaissance Technologies LLC | 1,496,541 | $160.7M | 0.21% | +844,988+129.7% | Added |
| Ci Investments Inc. | 1,486,699 | $159.7M | 0.60% | +108,475+7.9% | Added |
| State Board of Administration of Florida Retirement System | 1,463,096 | $157.2M | 0.28% | +2,729+0.2% | Added |
| Korea Investment CORP | 1,462,711 | $157.1M | 0.35% | −139,401−8.7% | Reduced |
| Storebrand Asset Management AS | 1,446,741 | $155.4M | 0.45% | −5,798−0.4% | Reduced |
| Russell Investments Group, Ltd. | 1,442,640 | $154.8M | 0.20% | +120,648+9.1% | Added |
| Impax Asset Management Group plc | 1,449,736 | $154.3M | 0.89% | −15,034−1.0% | Reduced |
| National Bank of Canada | 1,404,301 | $150.8M | 0.16% | +537,104+61.9% | Added |
| Groupama Asset Managment | 1,409,776 | $150.2M | 2.48% | +108,866+8.4% | Added |
| TCW Group Inc | 1,389,698 | $149.3M | 1.17% | +1,792+0.1% | Added |
| Huntington National Bank | 1,388,281 | $149.1M | 0.98% | +38,069+2.8% | Added |
| CIBC Private Wealth Group, LLC | 1,378,016 | $148.0M | 0.26% | +187,205+15.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,354,685 | $145.5M | 0.26% | +46,993+3.6% | Added |
| Lord, Abbett & Co. LLC | 1,334,769 | $143.4M | 0.46% | −228,949−14.6% | Reduced |
| Public Employees Retirement Association of Colorado | 1,304,287 | $140.1M | 0.54% | −3,264−0.2% | Reduced |
| Cerity Partners LLC | 1,301,504 | $139.8M | 0.25% | +10,625+0.8% | Added |
| Prudential Financial Inc | 1,279,233 | $137.4M | 0.18% | −133,027−9.4% | Reduced |
| Ensign Peak Advisors, Inc | 1,251,478 | $134.4M | 0.23% | +277,317+28.5% | Added |
| New York State Teachers Retirement System | 1,225,616 | $131.6M | 0.28% | +3940.0% | Added |
| The PNC Financial Services Group, Inc. | 1,215,796 | $130.6M | 0.08% | +63,237+5.5% | Added |
| Zurich Insurance Group Ltd | 1,208,040 | $129.8M | 1.00% | −172,766−12.5% | Reduced |
| Caisse de Depot Et Placement du Quebec | 1,195,756 | $128.4M | 0.27% | −860,340−41.8% | Reduced |
| Manufacturers Life Insurance Company, The | 1,158,089 | $124.4M | 0.11% | −26,826−2.3% | Reduced |
| Gilder Gagnon Howe & Co LLC | 1,125,253 | $120.9M | 1.28% | −18,886−1.7% | Reduced |
| STRS Ohio | 1,099,213 | $118.1M | 0.44% | +581+0.1% | Added |
| Steadfast Capital Management LP | 1,096,590 | $117.8M | 2.19% | −465,056−29.8% | Reduced |
| Aviva PLC | 1,089,699 | $117.0M | 0.24% | +406,753+59.6% | Added |
| Danske Bank A/S | 1,087,470 | $116.8M | 0.29% | +191,027+21.3% | Added |
| Temasek Holdings (Private) Ltd | 1,085,411 | $116.6M | 0.45% | 00.0% | Unchanged |
| Calamos Advisors LLC | 1,000,279 | $107.4M | 0.46% | +30,311+3.1% | Added |
| Fred Alger Management, LLC | 987,969 | $106.1M | 0.47% | +12,366+1.3% | Added |
| Munro Partners | 958,605 | $103.0M | 3.20% | +356,150+59.1% | Added |
| Fisher Funds Management LTD | 949,094 | $101.9M | 2.42% | −112,798−10.6% | Reduced |
| Teacher Retirement System of Texas | 931,793 | $100.1M | 0.42% | +60,144+6.9% | Added |
| Banque Transatlantique SA | 927,478 | $99.8M | 2.75% | +108,550+13.3% | Added |
| Public Sector Pension Investment Board | 920,033 | $98.8M | 0.42% | +106,634+13.1% | Added |
| UniSuper Management Pty Ltd | 910,161 | $97.8M | 0.66% | −67,930−6.9% | Reduced |
| AMF Pensionsforsakring AB | 888,204 | $95.4M | 0.63% | +888,204 | New |
| Acadian Asset Management LLC | 887,478 | $95.3M | 0.20% | +281,249+46.4% | Added |
| Nomura Asset Management Co Ltd | 877,065 | $94.2M | 0.26% | −273,958−23.8% | Reduced |
| Tredje AP-fonden | 860,688 | $92.4M | 0.74% | +143,696+20.0% | Added |
| APG Asset Management N.V. | 1,003,178 | $91.8M | 0.27% | +27,912+2.9% | Added |
| Candriam Luxembourg S.C.A. | 836,025 | $89.8M | 0.52% | +421,213+101.5% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 824,365 | $88.5M | 0.51% | −35,191−4.1% | Reduced |
| State of Wisconsin Investment Board | 806,736 | $86.7M | 0.21% | −76,177−8.6% | Reduced |
| Victory Capital Management Inc | 788,478 | $84.5M | 0.05% | −17,218−2.1% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 783,658 | $84.2M | 0.19% | −6,387−0.8% | Reduced |
| Chevy Chase Trust Holdings, Inc. | 781,674 | $84.0M | 0.24% | +8,509+1.1% | Added |
| Asset Management One Co.,Ltd. | 768,034 | $82.5M | 0.26% | +32,834+4.5% | Added |
| RE Advisers Corp | 759,426 | $81.6M | 1.93% | −223,100−22.7% | Reduced |
| ExodusPoint Capital Management, LP | 755,867 | $81.2M | 0.99% | +194,602+34.7% | Added |
| Atalanta Sosnoff Capital, LLC | 714,767 | $76.8M | 1.56% | −27,889−3.8% | Reduced |
| Fullerton Fund Management Co Ltd. | 706,039 | $75.8M | 3.07% | +27,188+4.0% | Added |
| Royal London Asset Management Ltd | 689,807 | $74.1M | 0.17% | −19,934−2.8% | Reduced |
| Treasurer of the State of North Carolina | 689,534 | $74.1M | 0.24% | +17,069+2.5% | Added |
| Northwestern Mutual Wealth Management Co | 673,610 | $72.4M | 0.05% | −75,788−10.1% | Reduced |
| Public Employees Retirement System of Ohio | 671,935 | $72.2M | 0.24% | −872−0.1% | Reduced |
| Panagora Asset Management Inc | 667,889 | $71.7M | 0.32% | −443,488−39.9% | Reduced |
| Tudor Investment Corp Et Al | 650,620 | $69.9M | 0.53% | +394,489+154.0% | Added |
| Ossiam | 650,214 | $69.8M | 0.79% | −198,453−23.4% | Reduced |
| Los Angeles Capital Management LLC | 644,320 | $69.2M | 0.26% | +413,643+179.3% | Added |
| Groupe la Francaise | 632,131 | $67.9M | 1.10% | +297,049+88.6% | Added |
| Nicholas Company, Inc. | 627,158 | $67.4M | 1.13% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 620,681 | $66.7M | 0.50% | +388,455+167.3% | Added |
| KLP Kapitalforvaltning AS | 614,056 | $66.0M | 0.28% | +26,300+4.5% | Added |
| Toronto Dominion Bank | 606,034 | $65.1M | 0.14% | −280,406−31.6% | Reduced |
| CIBC World Markets Corp | 586,157 | $63.0M | 0.42% | +8,383+1.5% | Added |
| Chicago Capital, LLC | 585,159 | $62.9M | 1.55% | +87,168+17.5% | Added |
| Gateway Investment Advisers LLC | 580,313 | $62.3M | 0.68% | −23,550−3.9% | Reduced |
| Castle Hook Partners LP | 579,148 | $62.2M | 0.91% | −249,758−30.1% | Reduced |
| ZWJ Investment Counsel Inc | 565,752 | $60.8M | 2.26% | −37,879−6.3% | Reduced |
| Thrivent Financial for Lutherans | 564,839 | $60.6M | 0.13% | +19,264+3.5% | Added |
| State of Tennessee, Treasury Department | 562,611 | $60.4M | 0.22% | +64,742+13.0% | Added |
| Employees Retirement System of Texas | 559,851 | $60.1M | 0.49% | −29,649−5.0% | Reduced |
| Bradley Foster & Sargent Inc | 554,424 | $59.6M | 0.93% | −8,670−1.5% | Reduced |
| Mn Services Vermogensbeheer B.V. | 553,000 | $59.4M | 0.41% | +12,700+2.4% | Added |
| Integral Health Asset Management, LLC | 550,000 | $59.1M | 5.52% | −100,000−15.4% | Reduced |
| Harvest Portfolios Group Inc. | 549,602 | $59.0M | 1.37% | +6,234+1.1% | Added |