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 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
- 1,486
- −178 vs. Q1 2026
- Shares held
- 1.33B
- +5.24M (+0.4%) vs. Q1 2026
- Total value
- $57.3B
- −$25.9B (−31.1%) vs. Q1 2026
- New holders
- 147
- 590 more added
- Sold out
- 325
- 621 more reduced
19 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 | 1,486 | $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 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 |
|---|---|---|---|---|---|
| Pictet Asset Management Holding SA | 2,393,080 | $102.2M | 0.10% | −2,726,977−53.3% | Reduced |
| Temasek Holdings (Private) Ltd | 2,399,426 | $102.4M | 0.28% | 00.0% | Unchanged |
| Renaissance Technologies LLC | 2,412,005 | $102.9M | 0.14% | −740,000−23.5% | Reduced |
| Marshall Wace, LLP | 2,414,223 | $103.0M | 0.09% | −1,196,797−33.1% | Reduced |
| Rathbone Brothers plc | 2,539,901 | $108.4M | 0.40% | −639,534−20.1% | Reduced |
| Citigroup Inc | 2,582,561 | $110.2M | 0.05% | +1,005,921+63.8% | Added |
| Nordea Investment Management AB | 2,610,440 | $110.9M | 0.09% | +1,280,403+96.3% | Added |
| Rhumbline Advisers | 2,641,843 | $112.8M | 0.09% | −32,798−1.2% | Reduced |
| Manufacturers Life Insurance Company, The | 2,702,583 | $115.3M | 0.09% | +72,970+2.8% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $115.7M | 0.20% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 2,804,896 | $119.7M | 0.31% | +727,273+35.0% | Added |
| Vanguard Asset Management, Ltd | 2,873,191 | $122.6M | 0.08% | +306,096+11.9% | Added |
| Russell Investments Group, Ltd. | 2,895,696 | $123.7M | 0.11% | +577,276+24.9% | Added |
| Wells Fargo & Company | 3,051,613 | $130.2M | 0.02% | +80,291+2.7% | Added |
| Standard Life Aberdeen plc | 3,066,626 | $130.9M | 0.18% | +300,346+10.9% | Added |
| Mirova US LLC | 3,101,478 | $132.4M | 1.42% | +898,077+40.8% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 3,117,000 | $133.0M | 0.56% | +251,100+8.8% | Added |
| Caisse de Depot Et Placement du Quebec | 3,120,394 | $133.2M | 0.19% | +1,634,943+110.1% | Added |
| Man Group plc | 3,225,164 | $137.7M | 0.25% | −493,567−13.3% | Reduced |
| Voloridge Investment Management, LLC | 3,275,326 | $139.8M | 0.59% | +2,197,217+203.8% | Added |
| Vanguard Global Advisers, LLC | 3,337,790 | $142.5M | 0.07% | +93,552+2.9% | Added |
| Employees Provident Fund Board | 3,358,700 | $143.3M | 0.82% | +1,224,109+57.3% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,427,875 | $146.3M | 0.08% | +5,062+0.1% | Added |
| Ninety One UK Ltd | 3,501,985 | $149.5M | 0.33% | −3,806,555−52.1% | Reduced |
| HSBC Holdings PLC | 3,533,722 | $150.6M | 0.07% | +134,019+3.9% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,617,472 | $154.4M | 0.09% | +253,364+7.5% | Added |
| SG Americas Securities, LLC | 3,785,401 | $161.6M | 0.09% | +2,854,246+306.5% | Added |
| National Pension Service | 3,959,598 | $169.0M | 0.11% | +260,853+7.1% | Added |
| Assenagon Asset Management S.A. | 4,173,559 | $178.1M | 0.23% | −5,884,377−58.5% | Reduced |
| Swiss National Bank | 4,191,800 | $178.9M | 0.09% | −158,800−3.7% | Reduced |
| 1832 Asset Management L.P. | 4,556,876 | $194.5M | 0.24% | −2,695,870−37.2% | Reduced |
| Barclays PLC | 4,584,260 | $195.7M | 0.06% | −439,897−8.8% | Reduced |
| Schroder Investment Management Group | 4,708,211 | $200.9M | 0.14% | −2,543,796−35.1% | Reduced |
| Vontobel Holding Ltd. | 4,871,518 | $207.9M | 0.70% | −3,106,696−38.9% | Reduced |
| Millennium Management LLC | 5,437,567 | $210.7M | 0.14% | +1,099,763+25.4% | Added |
| Citadel Advisors LLC | 4,987,748 | $212.9M | 0.12% | +770,434+18.3% | Added |
| Clearbridge Investments, LLC | 5,130,774 | $219.0M | 0.18% | +2,851,356+125.1% | Added |
| Ameriprise Financial Inc | 5,134,220 | $219.1M | 0.04% | −439,219−7.9% | Reduced |
| Lazard Asset Management LLC | 5,343,777 | $228.1M | 0.35% | +463,273+9.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 5,380,866 | $229.7M | 0.23% | −1,585,363−22.8% | Reduced |
| Dimensional Fund Advisors LP | 5,824,298 | $248.6M | 0.05% | −273,479−4.5% | Reduced |
| Ensign Peak Advisors, Inc | 5,881,367 | $251.0M | 0.41% | +1,374,125+30.5% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 5,937,553 | $253.4M | 2.29% | +1,742,464+41.5% | Added |
| Deutsche Bank AG | 5,957,053 | $254.2M | 0.07% | −696,222−10.5% | Reduced |
| Price T Rowe Associates Inc | 7,070,412 | $301.8M | 0.03% | −802,956−10.2% | Reduced |
| BNP Paribas Arbitrage, SA | 7,620,469 | $325.2M | 0.17% | +2,518,663+49.4% | Added |
| Bank of New York Mellon Corp | 7,943,553 | $339.0M | 0.06% | −1,600,322−16.8% | Reduced |
| Royal Bank of Canada | 8,100,653 | $345.7M | 0.06% | +1,827,390+29.1% | Added |
| Vanguard Fiduciary Trust Co | 8,345,428 | $356.2M | 0.08% | −36,757−0.4% | Reduced |
| Nuveen, LLC | 8,695,119 | $371.1M | 0.09% | −3,039,195−25.9% | Reduced |
| Qube Research & Technologies Ltd | 8,943,771 | $381.7M | 0.42% | +3,373,891+60.6% | Added |
| Charles Schwab Investment Management Inc | 9,223,151 | $393.6M | 0.05% | +52,971+0.6% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 9,227,707 | $393.8M | 0.31% | −4,001,937−30.2% | Reduced |
| Canada Pension Plan Investment Board | 9,262,404 | $395.3M | 0.22% | +1,226,457+15.3% | Added |
| AQR Capital Management LLC | 9,681,750 | $413.2M | 0.14% | +4,441,914+84.8% | Added |
| Legal & General Group Plc | 10,119,264 | $431.9M | 0.09% | −481,502−4.5% | Reduced |
| Farallon Capital Management, L.L.C. | 10,521,184 | $449.0M | 2.63% | +3,050,500+40.8% | Added |
| Jane Street Group, LLC | 12,087,991 | $515.9M | 0.33% | +8,055,874+199.8% | Added |
| FIL Ltd | 12,332,054 | $526.3M | 0.38% | +9,117,938+283.7% | Added |
| Northern Trust Corp | 12,964,638 | $553.3M | 0.06% | −409,243−3.1% | Reduced |
| Bank of America Corp | 13,027,783 | $556.0M | 0.04% | −9,728,863−42.8% | Reduced |
| UBS Asset Management Americas Inc | 13,091,481 | $558.7M | 0.10% | −422,290−3.1% | Reduced |
| Franklin Resources Inc | 13,772,323 | $587.8M | 0.13% | −726,418−5.0% | Reduced |
| Invesco Ltd. | 13,800,748 | $589.0M | 0.05% | +4,748,807+52.5% | Added |
| Capital Research Global Investors | 14,180,571 | $605.3M | 0.08% | +7,099,684+100.3% | Added |
| Amundi | 14,296,121 | $610.2M | 0.15% | +173,208+1.2% | Added |
| Wellington Management Group LLP | 15,301,828 | $653.1M | 0.11% | −3,531,578−18.8% | Reduced |
| UBS Group AG | 16,352,420 | $697.9M | 0.11% | +1,527,758+10.3% | Added |
| Capital World Investors | 16,812,257 | $717.6M | 0.08% | +1,502,519+9.8% | Added |
| Goldman Sachs Group Inc | 16,954,342 | $723.6M | 0.08% | −1,937,282−10.3% | Reduced |
| Bollard Group LLC | 18,420,720 | $786.2M | 23.93% | −111,453−0.6% | Reduced |
| Jupiter Topco LLC | 18,822,853 | $803.4M | 0.33% | +18,822,853 | New |
| Morgan Stanley | 18,947,147 | $808.7M | 0.04% | −3,319,517−14.9% | Reduced |
| Two Sigma Investments, LP | 19,359,023 | $826.2M | 0.62% | +9,947,792+105.7% | Added |
| Norges Bank | 21,170,029 | $903.5M | 0.09% | +21,170,029 | New |
| Arrowstreet Capital, Limited Partnership | 23,293,913 | $994.2M | 0.44% | +9,402,245+67.7% | Added |
| JPMorgan Chase & Co | 23,907,838 | $1.04B | 0.06% | −9,442,319−28.3% | Reduced |
| D. E. Shaw & Co., Inc. | 25,457,409 | $1.09B | 0.67% | +1,145,057+4.7% | Added |
| Vanguard Portfolio Management LLC | 29,792,794 | $1.27B | 0.06% | −3,4170.0% | Reduced |
| Geode Capital Management, LLC | 33,440,102 | $1.42B | 0.08% | +154,345+0.5% | Added |
| Massachusetts Financial Services Co | 24,859,191 | $1.50B | 0.48% | +13,862,619+126.1% | Added |
| FMR LLC | 45,702,845 | $1.95B | 0.08% | −28,523,550−38.4% | Reduced |
| Primecap Management Co | 50,520,914 | $2.16B | 1.28% | +17,991,140+55.3% | Added |
| State Street Corp | 70,111,196 | $2.99B | 0.09% | +2,124,349+3.1% | Added |
| Vanguard Capital Management LLC | 97,087,553 | $4.14B | 0.09% | +675,985+0.7% | Added |
| BlackRock, Inc. | 129,680,916 | $5.53B | 0.08% | −2,141,121−1.6% | Reduced |
| Intact Investment Management Inc. | 0 | $0 | 0.00% | −25,300−100.0% | Sold out |
| Edgewood Management LLC | 0 | $0 | 0.00% | −7,629,399−100.0% | Sold out |
| Ilex Capital Partners (UK) LLP | 0 | $0 | 0.00% | −2,234,180−100.0% | Sold out |
| Alphinity Investment Management Pty Ltd | 0 | $0 | 0.00% | −1,673,285−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −1,454,619−100.0% | Sold out |
| BSN Capital Partners Ltd | 0 | $0 | 0.00% | −629,000−100.0% | Sold out |
| Jennison Associates LLC | 0 | $0 | 0.00% | −897,775−100.0% | Sold out |
| Vestal Point Capital, LP | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| Sands Capital Management, LLC | 0 | $0 | 0.00% | −736,109−100.0% | Sold out |
| MKP Capital Management, L.L.C. | 0 | $0 | 0.00% | −549,000−100.0% | Sold out |
| Migdal Insurance & Financial Holdings Ltd. | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| Atalanta Sosnoff Capital, LLC | 0 | $0 | 0.00% | −402,714−100.0% | Sold out |
| Oddo BHF Asset Management SAS | 0 | $0 | 0.00% | −327,138−100.0% | Sold out |
| BlueSpruce Investments, LP | 0 | $0 | 0.00% | −306,134−100.0% | Sold out |