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; 1,487 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
- 1,693
- +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
- 550 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 | 1,487 | $57.3B |
| Q1 2026 | 1,683 | $84.2B |
| Q4 2025 | 1,793 | $130.0B |
| Q3 2025 | 1,714 | $131.1B |
| Q2 2025 | 1,693 | $145.4B |
| Q1 2025 | 1,648 | $135.2B |
| Q4 2024 | 1,519 | $119.8B |
| Q3 2024 | 1,402 | $111.0B |
| Q2 2024 | 1,324 | $102.2B |
| Q1 2024 | 1,226 | $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 |
|---|---|---|---|---|---|
| ZWJ Investment Counsel Inc | 565,752 | $60.8M | 2.26% | −37,879−6.3% | Reduced |
| Castle Hook Partners LP | 579,148 | $62.2M | 0.91% | −249,758−30.1% | Reduced |
| Gateway Investment Advisers LLC | 580,313 | $62.3M | 0.68% | −23,550−3.9% | Reduced |
| Chicago Capital, LLC | 585,159 | $62.9M | 1.55% | +87,168+17.5% | Added |
| CIBC World Markets Corp | 586,157 | $63.0M | 0.42% | +8,383+1.5% | Added |
| Toronto Dominion Bank | 606,034 | $65.1M | 0.14% | −280,406−31.6% | Reduced |
| KLP Kapitalforvaltning AS | 614,056 | $66.0M | 0.28% | +26,300+4.5% | Added |
| Schonfeld Strategic Advisors LLC | 620,681 | $66.7M | 0.50% | +388,455+167.3% | Added |
| Nicholas Company, Inc. | 627,158 | $67.4M | 1.13% | 00.0% | Unchanged |
| Groupe la Francaise | 632,131 | $67.9M | 1.10% | +297,049+88.6% | Added |
| Los Angeles Capital Management LLC | 644,320 | $69.2M | 0.26% | +413,643+179.3% | Added |
| Ossiam | 650,214 | $69.8M | 0.79% | −198,453−23.4% | Reduced |
| Tudor Investment Corp Et Al | 650,620 | $69.9M | 0.53% | +394,489+154.0% | Added |
| Panagora Asset Management Inc | 667,889 | $71.7M | 0.32% | −443,488−39.9% | Reduced |
| Public Employees Retirement System of Ohio | 671,935 | $72.2M | 0.24% | −872−0.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 673,610 | $72.4M | 0.05% | −75,788−10.1% | Reduced |
| Treasurer of the State of North Carolina | 689,534 | $74.1M | 0.24% | +17,069+2.5% | Added |
| Royal London Asset Management Ltd | 689,807 | $74.1M | 0.17% | −19,934−2.8% | Reduced |
| Fullerton Fund Management Co Ltd. | 706,039 | $75.8M | 3.07% | +27,188+4.0% | Added |
| Atalanta Sosnoff Capital, LLC | 714,767 | $76.8M | 1.56% | −27,889−3.8% | Reduced |
| ExodusPoint Capital Management, LP | 755,867 | $81.2M | 0.99% | +194,602+34.7% | Added |
| RE Advisers Corp | 759,426 | $81.6M | 1.93% | −223,100−22.7% | Reduced |
| Asset Management One Co.,Ltd. | 768,034 | $82.5M | 0.26% | +32,834+4.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 781,674 | $84.0M | 0.24% | +8,509+1.1% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 783,658 | $84.2M | 0.19% | −6,387−0.8% | Reduced |
| Victory Capital Management Inc | 788,478 | $84.5M | 0.05% | −17,218−2.1% | Reduced |
| State of Wisconsin Investment Board | 806,736 | $86.7M | 0.21% | −76,177−8.6% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 824,365 | $88.5M | 0.51% | −35,191−4.1% | Reduced |
| Candriam Luxembourg S.C.A. | 836,025 | $89.8M | 0.52% | +421,213+101.5% | Added |
| APG Asset Management N.V. | 1,003,178 | $91.8M | 0.27% | +27,912+2.9% | Added |
| Tredje AP-fonden | 860,688 | $92.4M | 0.74% | +143,696+20.0% | Added |
| Nomura Asset Management Co Ltd | 877,065 | $94.2M | 0.26% | −273,958−23.8% | Reduced |
| Acadian Asset Management LLC | 887,478 | $95.3M | 0.20% | +281,249+46.4% | Added |
| AMF Pensionsforsakring AB | 888,204 | $95.4M | 0.63% | +888,204 | New |
| UniSuper Management Pty Ltd | 910,161 | $97.8M | 0.66% | −67,930−6.9% | Reduced |
| Public Sector Pension Investment Board | 920,033 | $98.8M | 0.42% | +106,634+13.1% | Added |
| Banque Transatlantique SA | 927,478 | $99.8M | 2.75% | +108,550+13.3% | Added |
| Teacher Retirement System of Texas | 931,793 | $100.1M | 0.42% | +60,144+6.9% | Added |
| Fisher Funds Management LTD | 949,094 | $101.9M | 2.42% | −112,798−10.6% | Reduced |
| Munro Partners | 958,605 | $103.0M | 3.20% | +356,150+59.1% | Added |
| Fred Alger Management, LLC | 987,969 | $106.1M | 0.47% | +12,366+1.3% | Added |
| Calamos Advisors LLC | 1,000,279 | $107.4M | 0.46% | +30,311+3.1% | Added |
| Temasek Holdings (Private) Ltd | 1,085,411 | $116.6M | 0.45% | 00.0% | Unchanged |
| Danske Bank A/S | 1,087,470 | $116.8M | 0.29% | +191,027+21.3% | Added |
| Aviva PLC | 1,089,699 | $117.0M | 0.24% | +406,753+59.6% | Added |
| Steadfast Capital Management LP | 1,096,590 | $117.8M | 2.19% | −465,056−29.8% | Reduced |
| STRS Ohio | 1,099,213 | $118.1M | 0.44% | +581+0.1% | Added |
| Gilder Gagnon Howe & Co LLC | 1,125,253 | $120.9M | 1.28% | −18,886−1.7% | Reduced |
| Manufacturers Life Insurance Company, The | 1,158,089 | $124.4M | 0.11% | −26,826−2.3% | Reduced |
| Caisse de Depot Et Placement du Quebec | 1,195,756 | $128.4M | 0.27% | −860,340−41.8% | Reduced |
| Zurich Insurance Group Ltd | 1,208,040 | $129.8M | 1.00% | −172,766−12.5% | Reduced |
| The PNC Financial Services Group, Inc. | 1,215,796 | $130.6M | 0.08% | +63,237+5.5% | Added |
| New York State Teachers Retirement System | 1,225,616 | $131.6M | 0.28% | +3940.0% | Added |
| Ensign Peak Advisors, Inc | 1,251,478 | $134.4M | 0.23% | +277,317+28.5% | Added |
| Prudential Financial Inc | 1,279,233 | $137.4M | 0.18% | −133,027−9.4% | Reduced |
| Cerity Partners LLC | 1,301,504 | $139.8M | 0.25% | +10,625+0.8% | Added |
| Public Employees Retirement Association of Colorado | 1,304,287 | $140.1M | 0.54% | −3,264−0.2% | Reduced |
| Lord, Abbett & Co. LLC | 1,334,769 | $143.4M | 0.46% | −228,949−14.6% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,354,685 | $145.5M | 0.26% | +46,993+3.6% | Added |
| CIBC Private Wealth Group, LLC | 1,378,016 | $148.0M | 0.26% | +187,205+15.7% | Added |
| Huntington National Bank | 1,388,281 | $149.1M | 0.98% | +38,069+2.8% | Added |
| TCW Group Inc | 1,389,698 | $149.3M | 1.17% | +1,792+0.1% | Added |
| Groupama Asset Managment | 1,409,776 | $150.2M | 2.48% | +108,866+8.4% | Added |
| National Bank of Canada | 1,404,301 | $150.8M | 0.16% | +537,104+61.9% | Added |
| Impax Asset Management Group plc | 1,449,736 | $154.3M | 0.89% | −15,034−1.0% | Reduced |
| Russell Investments Group, Ltd. | 1,442,640 | $154.8M | 0.20% | +120,648+9.1% | Added |
| Storebrand Asset Management AS | 1,446,741 | $155.4M | 0.45% | −5,798−0.4% | Reduced |
| Korea Investment CORP | 1,462,711 | $157.1M | 0.35% | −139,401−8.7% | Reduced |
| State Board of Administration of Florida Retirement System | 1,463,096 | $157.2M | 0.28% | +2,729+0.2% | Added |
| Ci Investments Inc. | 1,486,699 | $159.7M | 0.60% | +108,475+7.9% | Added |
| Renaissance Technologies LLC | 1,496,541 | $160.7M | 0.21% | +844,988+129.7% | Added |
| Balyasny Asset Management LLC | 1,504,913 | $161.6M | 0.37% | −333,266−18.1% | Reduced |
| Mackenzie Financial Corp | 1,603,611 | $172.2M | 0.22% | +832,272+107.9% | Added |
| LPL Financial LLC | 1,604,441 | $172.3M | 0.06% | +480,430+42.7% | Added |
| Egerton Capital (UK) LLP | 1,640,956 | $176.3M | 1.81% | +1,640,956 | New |
| Congress Asset Management Co | 1,701,570 | $182.8M | 1.25% | −17,258−1.0% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 1,706,015 | $183.2M | 3.07% | +108,733+6.8% | Added |
| Allspring Global Investments Holdings, LLC | 1,805,476 | $189.2M | 0.32% | −49,764−2.7% | Reduced |
| Bellevue Group AG | 1,765,194 | $189.6M | 4.18% | −185,826−9.5% | Reduced |
| Federated Hermes, Inc. | 1,813,505 | $194.8M | 0.37% | +18,665+1.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,815,344 | $195.0M | 0.48% | +495,346+37.5% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $195.3M | 0.35% | +147,932+8.7% | Added |
| AQR Capital Management LLC | 1,843,193 | $197.1M | 0.16% | +687,364+59.5% | Added |
| Allianz Asset Management GmbH | 1,841,216 | $197.8M | 0.26% | +451,135+32.5% | Added |
| Principal Financial Group Inc | 1,852,793 | $199.0M | 0.11% | −34,044−1.8% | Reduced |
| Great Lakes Advisors, LLC | 1,859,865 | $199.8M | 1.67% | −208,338−10.1% | Reduced |
| Great West Life Assurance Co | 1,924,409 | $206.9M | 0.33% | +101,925+5.6% | Added |
| Macquarie Group Ltd | 1,945,205 | $208.9M | 0.26% | −61,537−3.1% | Reduced |
| Unisphere Establishment | 1,966,400 | $211.2M | 1.70% | −200,000−9.2% | Reduced |
| Employees Provident Fund Board | 2,007,830 | $215.7M | 1.86% | +621,213+44.8% | Added |
| Voloridge Investment Management, LLC | 2,018,678 | $216.8M | 0.80% | +2,018,678 | New |
| Bank of Montreal | 2,020,494 | $217.0M | 0.11% | −113,247−5.3% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 2,025,153 | $217.5M | 0.95% | +663,569+48.7% | Added |
| Stifel Financial Corp | 2,053,281 | $220.5M | 0.21% | +65,896+3.3% | Added |
| Adage Capital Partners GP, L.L.C. | 2,055,365 | $220.8M | 0.37% | −536,748−20.7% | Reduced |
| New York State Common Retirement Fund | 2,083,334 | $223.8M | 0.30% | −20,594−1.0% | Reduced |
| Jennison Associates LLC | 2,115,002 | $227.2M | 0.13% | +1,186,949+127.9% | Added |
| Man Group plc | 2,137,443 | $229.6M | 0.50% | +1,308,711+157.9% | Added |
| TD Asset Management Inc | 2,180,194 | $234.2M | 0.20% | +19,270+0.9% | Added |
| Worldquant Millennium Advisors LLC | 2,225,546 | $239.0M | 1.19% | +216,841+10.8% | Added |