Boston ScientificBSX
13F holders, Q2 2026 (June 30)1,484holders −199
131new positions
323sold out
13famous investors
$43.08avg. 13F price*
At the end of Q2 2026, 1,484 institutions reported holding Boston Scientific Corp. (BSX) in their 13F filings, down 199 from Q1 2026. 131 opened new positions and 323 sold out. The largest holders were BlackRock, Inc. ($5.5B), Vanguard Capital Management LLC ($4.1B) and State Street Corp. ($3.0B). 13 famous investors held it, including Lee Ainslie (2.3% of Maverick Capital's portfolio), David E. Shaw (0.7% of D. E. Shaw & Co.'s portfolio) and Paul Tudor Jones (0.3% of Tudor Investment Corporation's portfolio).
- Company
- Boston Scientific Corp.
- Sector
- Health Care
- CUSIP
- 101137107
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 131 | $386.3M |
| Exits | 323 | $1.5B |
All 13F filers, Q1 2026 → Q2 2026: 165,108,841 shares bought and 200,581,091 shares sold, net −35,472,250 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,484 holders
| BlackRock, Inc. | 0.08% | Reduce -1.6% | 129,680,916 | $5.5B |
| Vanguard Capital Management LLC | 0.09% | Add +0.7% | 97,087,553 | $4.1B |
| State Street Corp. | 0.09% | Add +3.1% | 70,111,196 | $3.0B |
| Primecap Management Co. | 1.27% | Add +55.3% | 50,520,914 | $2.2B |
| FMR LLC | 0.08% | Reduce -38.4% | 45,702,845 | $2.0B |
| Massachusetts Financial Services Co. | 0.48% | Add +126.1% | 24,859,191 | $1.5B |
| Geode Capital Management, LLC | 0.08% | Add +0.5% | 33,440,102 | $1.4B |
| Vanguard Portfolio Management LLC | 0.06% | Reduce -0.0% | 29,792,794 | $1.3B |
| D. E. Shaw & Co. | 0.72% | Add +4.7% | 25,457,409 | $1.1B |
| JPMorgan Chase & Co. | 0.06% | Reduce -28.3% | 23,907,838 | $1.0B |
| Arrowstreet Capital, Limited Partnership | 0.44% | Add +67.7% | 23,293,913 | $994.2M |
| Norges Bank | 0.09% | — | 21,170,029 | $903.5M |
| Two Sigma Investments, LP | 0.65% | Add +105.7% | 19,359,023 | $826.2M |
| Morgan Stanley | 0.04% | Reduce -14.9% | 18,947,147 | $808.7M |
| Jupiter Topco LLC | 0.33% | — | 18,822,853 | $803.4M |
| Bollard Group LLC | 23.93% | Reduce -0.6% | 18,420,720 | $786.2M |
| Goldman Sachs Group Inc. | 0.08% | Reduce -10.3% | 16,954,342 | $723.6M |
| Capital World Investors | 0.09% | Add +9.8% | 16,812,257 | $717.6M |
| UBS Group AG | 0.11% | Add +10.3% | 16,352,420 | $697.9M |
| Wellington Management Group LLP | 0.11% | Reduce -18.8% | 15,301,828 | $653.1M |
| Amundi | 0.15% | Add +1.2% | 14,296,121 | $610.2M |
| Capital Research Global Investors | 0.08% | Add +100.3% | 14,180,571 | $605.3M |
| Invesco Ltd. | 0.05% | Add +52.5% | 13,800,748 | $589.0M |
| Franklin Resources Inc. | 0.13% | Reduce -5.0% | 13,772,323 | $587.8M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.10% | Reduce -3.1% | 13,091,481 | $558.7M |
| Bank of America Corp. | 0.04% | Reduce -42.8% | 13,027,783 | $556.0M |
| Northern Trust Corp. | 0.06% | Reduce -3.1% | 12,964,638 | $553.3M |
| FIL Ltd | 0.38% | Add +283.7% | 12,332,054 | $526.3M |
| Jane Street Group, LLC | 0.33% | Add +199.8% | 12,087,991 | $515.9M |
| Farallon Capital Management, L.L.C. | 2.65% | Add +40.8% | 10,521,184 | $449.0M |
| Legal & General Group Plc | 0.09% | Reduce -4.5% | 10,119,264 | $431.9M |
| AQR Capital Management | 0.14% | Add +84.8% | 9,681,750 | $413.2M |
| Canada Pension Plan Investment Board | 0.22% | Add +15.3% | 9,262,404 | $395.3M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.31% | Reduce -30.3% | 9,227,707 | $393.8M |
| Charles Schwab Investment Management Inc. | 0.05% | Add +0.6% | 9,223,151 | $393.6M |
| Qube Research & Technologies Ltd | 0.42% | Add +60.6% | 8,943,771 | $381.7M |
| Nuveen, LLC | 0.09% | Reduce -25.9% | 8,695,119 | $371.1M |
| Vanguard Fiduciary Trust Co. | 0.08% | Reduce -0.4% | 8,345,428 | $356.2M |
| Royal Bank of Canada | 0.06% | Add +29.1% | 8,100,653 | $345.7M |
| Bank of New York Mellon Corp | 0.06% | Reduce -16.8% | 7,943,553 | $339.0M |
| BNP Paribas Financial Markets | 0.17% | Add +49.4% | 7,620,469 | $325.2M |
| T. Rowe Price Associates Inc. | 0.03% | Reduce -10.2% | 7,070,412 | $301.8M |
| Deutsche Bank AG | 0.07% | Reduce -10.5% | 5,957,053 | $254.2M |
| Maverick Capital | 2.29% | Add +41.5% | 5,937,553 | $253.4M |
| Ensign Peak Advisors, Inc | 0.41% | Add +30.5% | 5,881,367 | $251.0M |
| Dimensional Fund Advisors LP | 0.05% | Reduce -4.5% | 5,824,298 | $248.6M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.23% | Reduce -22.8% | 5,380,866 | $229.7M |
| Lazard Asset Management LLC | 0.35% | Add +9.5% | 5,343,777 | $228.1M |
| Ameriprise Financial Inc. | 0.04% | Reduce -7.9% | 5,134,220 | $219.1M |
| Clearbridge Investments, LLC | 0.18% | Add +125.1% | 5,130,774 | $219.0M |
| Citadel Advisors | 0.12% | Add +18.3% | 4,987,748 | $212.9M |
| Millennium Management | 0.15% | Add +25.4% | 5,437,567 | $210.7M |
| Vontobel Holding Ltd. | 0.70% | Reduce -38.9% | 4,871,518 | $207.9M |
| Schroder Investment Management Group | 0.14% | Reduce -35.1% | 4,708,211 | $200.9M |
| Barclays PLC | 0.06% | Reduce -8.8% | 4,584,260 | $195.7M |
| 1832 Asset Management L.P. | 0.24% | Reduce -37.2% | 4,556,876 | $194.5M |
| Swiss National Bank | 0.09% | Reduce -3.6% | 4,191,800 | $178.9M |
| Assenagon Asset Management S.A. | 0.23% | Reduce -58.5% | 4,173,559 | $178.1M |
| National Pension Service | 0.11% | Add +7.0% | 3,959,598 | $169.0M |
| SG Americas Securities, LLC | 0.09% | Add +306.5% | 3,785,401 | $161.6M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.09% | Add +7.5% | 3,617,472 | $154.4M |
| HSBC Holdings PLC | 0.07% | Add +3.9% | 3,533,722 | $150.6M |
| Ninety One UK Ltd | 0.33% | Reduce -52.1% | 3,501,985 | $149.5M |
| Sumitomo Mitsui Trust Group, Inc. | 0.08% | Add +0.1% | 3,427,875 | $146.3M |
| Employees Provident Fund Board | 0.82% | Add +57.4% | 3,358,700 | $143.3M |
| Vanguard Global Advisers, LLC | 0.07% | Add +2.9% | 3,337,790 | $142.5M |
| Voloridge Investment Management, LLC | 0.59% | Add +203.8% | 3,275,326 | $139.8M |
| Man Group plc | 0.26% | Reduce -13.3% | 3,225,164 | $137.7M |
| Caisse de depot et placement du Quebec | 0.19% | Add +110.1% | 3,120,394 | $133.2M |
| Alecta Tjanstepension Omsesidigt | 0.56% | Add +8.8% | 3,117,000 | $133.0M |
| Mirova US LLC | 1.42% | Add +40.8% | 3,101,478 | $132.4M |
| Aberdeen Group plc | 0.18% | Add +10.9% | 3,066,626 | $130.9M |
| Wells Fargo & Company | 0.02% | Add +2.7% | 3,051,613 | $130.2M |
| Russell Investments Group, Ltd. | 0.11% | Add +24.9% | 2,895,696 | $123.7M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.08% | Add +11.9% | 2,873,191 | $122.6M |
| Public Sector Pension Investment Board | 0.31% | Add +35.0% | 2,804,896 | $119.7M |
| DekaBank Deutsche Girozentrale | 0.20% | No change | 1,844,793 | $115.7M |
| Manufacturers Life Insurance Company, The | 0.09% | Add +2.8% | 2,702,583 | $115.3M |
| Rhumbline Advisers | 0.09% | Reduce -1.2% | 2,641,843 | $112.8M |
| Nordea Investment Management AB | 0.09% | Add +96.3% | 2,610,440 | $110.9M |
| Citigroup Inc. | 0.05% | Add +63.8% | 2,582,561 | $110.2M |
| Rathbones Group PLC | 0.40% | Reduce -20.1% | 2,539,901 | $108.4M |
| Marshall Wace, LLP | 0.09% | Reduce -33.1% | 2,414,223 | $103.0M |
| Renaissance Technologies | 0.14% | Reduce -23.5% | 2,412,005 | $102.9M |
| Temasek Holdings (Private) Ltd | 0.28% | No change | 2,399,426 | $102.4M |
| Pictet Asset Management Holding SA | 0.10% | Reduce -53.3% | 2,393,080 | $102.2M |
| Unisphere Establishment | 0.87% | Reduce -14.8% | 2,387,800 | $101.9M |
| California State Teachers Retirement System | 0.09% | Reduce -1.3% | 2,270,596 | $96.9M |
| Milford Funds Ltd. | 1.51% | Reduce -1.8% | 2,169,484 | $92.6M |
| Alliancebernstein L.P. | 0.03% | Reduce -10.5% | 1,455,619 | $91.3M |
| Neuberger Berman Group LLC | 0.06% | Reduce -69.9% | 2,126,406 | $90.8M |
| California Public Employees Retirement System | 0.05% | Reduce -9.4% | 2,047,848 | $87.4M |
| Phoenix Financial Ltd. | 0.57% | Add +26.6% | 1,962,730 | $83.8M |
| Raymond James Financial Inc. | 0.02% | Reduce -36.5% | 1,923,305 | $82.1M |
| Stifel Financial Corp. | 0.06% | Reduce -11.0% | 1,760,990 | $75.2M |
| New York State Common Retirement Fund | 0.09% | Reduce -4.5% | 1,731,953 | $73.9M |
| First Manhattan Co. Llc. | 0.18% | Reduce -65.4% | 1,697,334 | $72.4M |
| Principal Financial Group Inc. | 0.04% | Reduce -0.7% | 1,675,210 | $71.5M |
| Adage Capital Partners Gp, L.L.C. | 0.10% | Reduce -64.0% | 1,670,022 | $71.3M |
| Banque Transatlantique SA | 1.53% | Add +14.5% | 914,874 | $71.3M |
"% of holder's portfolio" is BSX's weight in each manager's 13F, not the share of Boston Scientific Corp. the manager owns.