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; 1,485 institutions reported holding it in 13F filings for Q2 2026, worth $60.4B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Boston Scientific Corp as of Jun 30, 2026. 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
- 1,485
- −178 vs. Q1 2026
- Shares held
- 1.33B
- +6.51M (+0.5%) vs. Q1 2026
- Total value
- $60.4B
- −$23.0B (−27.6%) vs. Q1 2026
- New holders
- 147
- 590 more added
- Sold out
- 325
- 620 more reduced
20 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 | 1,485 | $60.4B |
| Q1 2026 | 1,683 | $84.4B |
| Q4 2025 | 1,794 | $130.7B |
| Q3 2025 | 1,716 | $134.5B |
| Q2 2025 | 1,694 | $146.1B |
| Q1 2025 | 1,649 | $136.1B |
| Q4 2024 | 1,520 | $120.0B |
| Q3 2024 | 1,403 | $113.3B |
| Q2 2024 | 1,325 | $104.5B |
| Q1 2024 | 1,227 | $95.5B |
| Q4 2023 | 1,152 | $80.2B |
| Q3 2023 | 1,060 | $70.7B |
| Q2 2023 | 1,069 | $71.6B |
| Q1 2023 | 1,000 | $71.5B |
| Q4 2022 | 930 | $60.5B |
| Q3 2022 | 866 | $51.9B |
| Q2 2022 | 882 | $48.6B |
| Q1 2022 | 909 | $57.1B |
| Q4 2021 | 892 | $54.9B |
| Q3 2021 | 884 | $56.6B |
| Q2 2021 | 873 | $55.4B |
| Q1 2021 | 836 | $50.0B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 129,680,916 | $5.53B | 0.08% | −2,141,121−1.6% | Reduced |
| Vanguard Capital Management LLC | 97,087,553 | $4.14B | 0.09% | +675,985+0.7% | Added |
| State Street Corp | 70,111,196 | $2.99B | 0.09% | +2,124,349+3.1% | Added |
| Banque Cantonale Vaudoise | 67,611 | $2.89B | 0.40% | +1,288+1.9% | Added |
| Primecap Management Co | 50,520,914 | $2.16B | 1.28% | +17,991,140+55.3% | Added |
| FMR LLC | 45,702,845 | $1.95B | 0.08% | −28,523,550−38.4% | Reduced |
| Massachusetts Financial Services Co | 24,859,191 | $1.50B | 0.48% | +13,862,619+126.1% | Added |
| Geode Capital Management, LLC | 33,440,102 | $1.42B | 0.08% | +154,345+0.5% | Added |
| Vanguard Portfolio Management LLC | 29,792,794 | $1.27B | 0.06% | −3,4170.0% | Reduced |
| D. E. Shaw & Co., Inc. | 25,457,409 | $1.09B | 0.67% | +1,145,057+4.7% | Added |
| JPMorgan Chase & Co | 23,907,838 | $1.04B | 0.06% | −9,442,319−28.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 23,293,913 | $994.2M | 0.44% | +9,402,245+67.7% | Added |
| Norges Bank | 21,170,029 | $903.5M | 0.09% | +21,170,029 | New |
| Two Sigma Investments, LP | 19,359,023 | $826.2M | 0.62% | +9,947,792+105.7% | Added |
| Morgan Stanley | 18,947,147 | $808.7M | 0.04% | −3,319,517−14.9% | Reduced |
| Jupiter Topco LLC | 18,822,853 | $803.4M | 0.33% | +18,822,853 | New |
| Bollard Group LLC | 18,420,720 | $786.2M | 23.93% | −111,453−0.6% | Reduced |
| Goldman Sachs Group Inc | 16,954,342 | $723.6M | 0.08% | −1,937,282−10.3% | Reduced |
| Capital World Investors | 16,812,257 | $717.6M | 0.08% | +1,502,519+9.8% | Added |
| UBS Group AG | 16,352,420 | $697.9M | 0.11% | +1,527,758+10.3% | Added |
| Wellington Management Group LLP | 15,301,828 | $653.1M | 0.11% | −3,531,578−18.8% | Reduced |
| Amundi | 14,296,121 | $610.2M | 0.15% | +173,208+1.2% | Added |
| Capital Research Global Investors | 14,180,571 | $605.3M | 0.08% | +7,099,684+100.3% | Added |
| Invesco Ltd. | 13,800,748 | $589.0M | 0.05% | +4,748,807+52.5% | Added |
| Franklin Resources Inc | 13,772,323 | $587.8M | 0.13% | −726,418−5.0% | Reduced |
| UBS Asset Management Americas Inc | 13,091,481 | $558.7M | 0.10% | −422,290−3.1% | Reduced |
| Bank of America Corp | 13,027,783 | $556.0M | 0.04% | −9,728,863−42.8% | Reduced |
| Northern Trust Corp | 12,964,638 | $553.3M | 0.06% | −409,243−3.1% | Reduced |
| FIL Ltd | 12,332,054 | $526.3M | 0.38% | +9,117,938+283.7% | Added |
| Jane Street Group, LLC | 12,087,991 | $515.9M | 0.33% | +8,055,874+199.8% | Added |
| Farallon Capital Management, L.L.C. | 10,521,184 | $449.0M | 2.63% | +3,050,500+40.8% | Added |
| Legal & General Group Plc | 10,119,264 | $431.9M | 0.09% | −481,502−4.5% | Reduced |
| AQR Capital Management LLC | 9,681,750 | $413.2M | 0.14% | +4,441,914+84.8% | Added |
| Canada Pension Plan Investment Board | 9,262,404 | $395.3M | 0.22% | +1,226,457+15.3% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 9,227,707 | $393.8M | 0.31% | −4,001,937−30.2% | Reduced |
| Charles Schwab Investment Management Inc | 9,223,151 | $393.6M | 0.05% | +52,971+0.6% | Added |
| Qube Research & Technologies Ltd | 8,943,771 | $381.7M | 0.42% | +3,373,891+60.6% | Added |
| Nuveen, LLC | 8,695,119 | $371.1M | 0.09% | −3,039,195−25.9% | Reduced |
| Assenagon Asset Management S.A. | 8,347,118 | $356.3M | 0.23% | −1,710,818−17.0% | Reduced |
| Vanguard Fiduciary Trust Co | 8,345,428 | $356.2M | 0.08% | −36,757−0.4% | Reduced |
| Royal Bank of Canada | 8,100,653 | $345.7M | 0.06% | +1,827,390+29.1% | Added |
| Bank of New York Mellon Corp | 7,943,553 | $339.0M | 0.06% | −1,600,322−16.8% | Reduced |
| BNP Paribas Arbitrage, SA | 7,620,469 | $325.2M | 0.17% | +2,518,663+49.4% | Added |
| Price T Rowe Associates Inc | 7,070,412 | $301.8M | 0.03% | −802,956−10.2% | Reduced |
| Deutsche Bank AG | 5,957,053 | $254.2M | 0.07% | −696,222−10.5% | Reduced |
| Maverick Capital LtdSuperinvestorMaverick Capital | 5,937,553 | $253.4M | 2.29% | +1,742,464+41.5% | Added |
| Ensign Peak Advisors, Inc | 5,881,367 | $251.0M | 0.41% | +1,374,125+30.5% | Added |
| Dimensional Fund Advisors LP | 5,824,298 | $248.6M | 0.05% | −273,479−4.5% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 5,380,866 | $229.7M | 0.23% | −1,585,363−22.8% | Reduced |
| Lazard Asset Management LLC | 5,343,777 | $228.1M | 0.35% | +463,273+9.5% | Added |
| Ameriprise Financial Inc | 5,134,220 | $219.1M | 0.04% | −439,219−7.9% | Reduced |
| Clearbridge Investments, LLC | 5,130,774 | $219.0M | 0.18% | +2,851,356+125.1% | Added |
| Citadel Advisors LLC | 4,987,748 | $212.9M | 0.12% | +770,434+18.3% | Added |
| Millennium Management LLC | 5,437,567 | $210.7M | 0.14% | +1,099,763+25.4% | Added |
| Vontobel Holding Ltd. | 4,871,518 | $207.9M | 0.70% | −3,106,696−38.9% | Reduced |
| Schroder Investment Management Group | 4,708,211 | $200.9M | 0.14% | −2,543,796−35.1% | Reduced |
| Barclays PLC | 4,584,260 | $195.7M | 0.06% | −439,897−8.8% | Reduced |
| 1832 Asset Management L.P. | 4,556,876 | $194.5M | 0.24% | −2,695,870−37.2% | Reduced |
| Swiss National Bank | 4,191,800 | $178.9M | 0.09% | −158,800−3.7% | Reduced |
| National Pension Service | 3,959,598 | $169.0M | 0.11% | +260,853+7.1% | Added |
| SG Americas Securities, LLC | 3,785,401 | $161.6M | 0.09% | +2,854,246+306.5% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,617,472 | $154.4M | 0.09% | +253,364+7.5% | Added |
| HSBC Holdings PLC | 3,533,722 | $150.6M | 0.07% | +134,019+3.9% | Added |
| Ninety One UK Ltd | 3,501,985 | $149.5M | 0.33% | −3,806,555−52.1% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,427,875 | $146.3M | 0.08% | +5,062+0.1% | Added |
| Employees Provident Fund Board | 3,358,700 | $143.3M | 0.82% | +1,224,109+57.3% | Added |
| Vanguard Global Advisers, LLC | 3,337,790 | $142.5M | 0.07% | +93,552+2.9% | Added |
| Voloridge Investment Management, LLC | 3,275,326 | $139.8M | 0.59% | +2,197,217+203.8% | Added |
| Man Group plc | 3,225,164 | $137.7M | 0.25% | −493,567−13.3% | Reduced |
| Caisse de Depot Et Placement du Quebec | 3,120,394 | $133.2M | 0.19% | +1,634,943+110.1% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 3,117,000 | $133.0M | 0.56% | +251,100+8.8% | Added |
| Mirova US LLC | 3,101,478 | $132.4M | 1.42% | +898,077+40.8% | Added |
| Standard Life Aberdeen plc | 3,066,626 | $130.9M | 0.18% | +300,346+10.9% | Added |
| Wells Fargo & Company | 3,051,613 | $130.2M | 0.02% | +80,291+2.7% | Added |
| Russell Investments Group, Ltd. | 2,895,696 | $123.7M | 0.11% | +577,276+24.9% | Added |
| Vanguard Asset Management, Ltd | 2,873,191 | $122.6M | 0.08% | +306,096+11.9% | Added |
| Public Sector Pension Investment Board | 2,804,896 | $119.7M | 0.31% | +727,273+35.0% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $115.7M | 0.20% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 2,702,583 | $115.3M | 0.09% | +72,970+2.8% | Added |
| Rhumbline Advisers | 2,641,843 | $112.8M | 0.09% | −32,798−1.2% | Reduced |
| Nordea Investment Management AB | 2,610,440 | $110.9M | 0.09% | +1,280,403+96.3% | Added |
| Citigroup Inc | 2,582,561 | $110.2M | 0.05% | +1,005,921+63.8% | Added |
| Rathbone Brothers plc | 2,539,901 | $108.4M | 0.40% | −3,818,969−60.1% | Reduced |
| Marshall Wace, LLP | 2,414,223 | $103.0M | 0.09% | −1,196,797−33.1% | Reduced |
| Renaissance Technologies LLC | 2,412,005 | $102.9M | 0.14% | −740,000−23.5% | Reduced |
| Temasek Holdings (Private) Ltd | 2,399,426 | $102.4M | 0.28% | 00.0% | Unchanged |
| Pictet Asset Management Holding SA | 2,393,080 | $102.2M | 0.10% | −2,726,977−53.3% | Reduced |
| Unisphere Establishment | 2,387,800 | $101.9M | 0.87% | −414,900−14.8% | Reduced |
| California State Teachers Retirement System | 2,270,596 | $96.9M | 0.09% | −29,358−1.3% | Reduced |
| Milford Funds Ltd | 2,169,484 | $92.6M | 1.51% | −40,737−1.8% | Reduced |
| Alliancebernstein L.P. | 1,455,619 | $91.3M | 0.03% | −170,166−10.5% | Reduced |
| Neuberger Berman Group LLC | 2,126,406 | $90.8M | 0.06% | −4,946,488−69.9% | Reduced |
| California Public Employees Retirement System | 2,047,848 | $87.4M | 0.05% | −213,417−9.4% | Reduced |
| Phoenix Holdings Ltd. | 1,962,730 | $83.8M | 0.57% | +412,358+26.6% | Added |
| Raymond James Financial Inc | 1,923,305 | $82.1M | 0.02% | −1,105,792−36.5% | Reduced |
| Stifel Financial Corp | 1,760,990 | $75.2M | 0.06% | −217,021−11.0% | Reduced |
| New York State Common Retirement Fund | 1,731,953 | $73.9M | 0.09% | −81,000−4.5% | Reduced |
| First Manhattan Co | 1,697,334 | $72.4M | 0.18% | −3,213,883−65.4% | Reduced |
| Principal Financial Group Inc | 1,675,210 | $71.5M | 0.04% | −11,243−0.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,670,022 | $71.3M | 0.10% | −2,963,215−64.0% | Reduced |