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, Q3 2021
Institutional positions in Boston Scientific Corp as of Sep 30, 2021. 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
- 884
- +20 vs. Q2 2021
- Shares held
- 1.30B
- +14.5M (+1.1%) vs. Q2 2021
- Total value
- $56.6B
- +$1.44B (+2.6%) vs. Q2 2021
- New holders
- 82
- 344 more added
- Sold out
- 62
- 287 more reduced
9 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: 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, Q3 2021
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of Montreal | 1,919,605 | $84.6M | 0.04% | +190,182+11.0% | Added |
| Hotchkis & Wiley Capital Management LLC | 1,956,000 | $84.9M | 0.27% | −7,400−0.4% | Reduced |
| Polar Capital Holdings Plc | 1,965,487 | $85.3M | 0.47% | +1,465,651+293.2% | Added |
| Westfield Capital Management Co LP | 2,002,229 | $86.9M | 0.52% | +162,486+8.8% | Added |
| National Pension Service | 2,024,917 | $87.9M | 0.17% | +13,705+0.7% | Added |
| Glenview Capital Management, LLC | 2,063,297 | $89.5M | 1.63% | −259,719−11.2% | Reduced |
| Balyasny Asset Management LLC | 2,155,328 | $93.5M | 0.45% | +423,352+24.4% | Added |
| Marshall Wace Asia Ltd | 2,190,737 | $95.1M | 2.25% | +920,459+72.5% | Added |
| State of Wisconsin Investment Board | 2,302,201 | $99.9M | 0.21% | −93,900−3.9% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 2,349,324 | $101.9M | 0.26% | +867,003+58.5% | Added |
| KBC Group NV | 2,381,239 | $103.3M | 0.38% | +280,858+13.4% | Added |
| Royal Bank of Canada | 2,403,517 | $104.3M | 0.03% | −288,887−10.7% | Reduced |
| Raymond James & Associates | 2,406,221 | $104.4M | 0.09% | +61,808+2.6% | Added |
| Boston Partners | 2,446,508 | $106.2M | 0.13% | +66,818+2.8% | Added |
| California State Teachers Retirement System | 2,465,916 | $107.0M | 0.14% | −32,061−1.3% | Reduced |
| Rhumbline Advisers | 2,470,745 | $107.2M | 0.15% | −79,749−3.1% | Reduced |
| TCW Group Inc | 2,606,842 | $113.1M | 0.99% | −17,406−0.7% | Reduced |
| Omers Administration Corp | 2,662,611 | $115.5M | 1.68% | +2,662,611 | New |
| Holocene Advisors, LP | 2,720,185 | $118.0M | 0.68% | +77,740+2.9% | Added |
| Barclays PLC | 2,821,145 | $122.4M | 0.09% | +703,594+33.2% | Added |
| Dimensional Fund Advisors LP | 2,965,200 | $128.7M | 0.04% | −2,626−0.1% | Reduced |
| Bellevue Group AG | 2,967,127 | $128.7M | 1.31% | +640,340+27.5% | Added |
| Ownership Capital B.V. | 3,017,139 | $130.9M | 1.48% | −3,128,779−50.9% | Reduced |
| New York State Common Retirement Fund | 3,053,751 | $132.5M | 0.14% | −115,825−3.7% | Reduced |
| California Public Employees Retirement System | 3,153,866 | $136.8M | 0.10% | −32,783−1.0% | Reduced |
| Fisher Asset Management, LLC | 3,279,481 | $142.3M | 0.09% | +131,038+4.2% | Added |
| Caisse de Depot Et Placement du Quebec | 3,299,800 | $143.2M | 0.31% | −445,600−11.9% | Reduced |
| Millennium Management LLC | 3,352,148 | $145.4M | 0.19% | +2,414,437+257.5% | Added |
| Novo Holdings A/S | 3,463,577 | $150.3M | 7.77% | +3,463,577 | New |
| Eaton Vance Management | 3,959,617 | $171.1M | 0.24% | −161,891−3.9% | Reduced |
| Parametric Portfolio Associates LLC | 4,032,983 | $175.0M | 0.10% | +261,630+6.9% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 4,068,433 | $176.5M | 0.11% | −235,119−5.5% | Reduced |
| DSM Capital Partners LLC | 4,125,805 | $179.1M | 1.86% | +501,060+13.8% | Added |
| Pictet Asset Management SA | 4,131,438 | $179.3M | 0.20% | +4,131,438 | New |
| SEI Investments Co | 4,199,442 | $182.2M | 0.38% | −501,007−10.7% | Reduced |
| Assenagon Asset Management S.A. | 4,235,717 | $183.8M | 0.76% | +740,282+21.2% | Added |
| Prudential Financial Inc | 4,373,324 | $189.8M | 0.26% | +875,466+25.0% | Added |
| Neuberger Berman Group LLC | 4,392,223 | $190.0M | 0.17% | −1,759,003−28.6% | Reduced |
| Jarislowsky, Fraser Ltd | 4,424,532 | $192.0M | 0.93% | −79,147−1.8% | Reduced |
| Two Sigma Investments, LP | 4,653,517 | $201.9M | 0.54% | +180,634+4.0% | Added |
| Citadel Advisors LLC | 4,733,806 | $205.4M | 0.23% | −747,071−13.6% | Reduced |
| UBS Group AG | 4,762,213 | $206.6M | 0.09% | +488,690+11.4% | Added |
| Morgan Stanley | 4,775,154 | $207.2M | 0.03% | +167,459+3.6% | Added |
| Marshall Wace North America L.P. | 5,446,332 | $236.3M | 1.01% | −413,523−7.1% | Reduced |
| Swiss National Bank | 5,623,080 | $244.0M | 0.16% | −155,500−2.7% | Reduced |
| Deutsche Bank AG | 5,651,568 | $245.2M | 0.12% | +2,616,068+86.2% | Added |
| OrbiMed Advisors LLC | 5,833,600 | $253.1M | 2.81% | −1,087,000−15.7% | Reduced |
| Price T Rowe Associates Inc | 5,835,279 | $253.2M | 0.02% | −390,328−6.3% | Reduced |
| FIL Ltd | 6,206,437 | $269.3M | 0.30% | +2,176,240+54.0% | Added |
| UBS Asset Management Americas Inc | 6,358,324 | $275.9M | 0.11% | −360,758−5.4% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 6,866,405 | $297.9M | 0.82% | −6,449,411−48.4% | Reduced |
| Citigroup Inc | 7,025,697 | $304.8M | 0.31% | +4,384,714+166.0% | Added |
| Invesco Ltd. | 7,175,500 | $311.3M | 0.08% | −105,532−1.4% | Reduced |
| Canada Pension Plan Investment Board | 7,271,901 | $315.5M | 0.36% | +603,112+9.0% | Added |
| Charles Schwab Investment Management Inc | 7,359,880 | $319.3M | 0.10% | +709,180+10.7% | Added |
| Newport Trust Co | 7,658,653 | $332.3M | 0.90% | −236,086−3.0% | Reduced |
| Amundi | 7,784,279 | $337.8M | 0.24% | +1,498,957+23.8% | Added |
| Wells Fargo & Company | 7,860,272 | $341.1M | 0.08% | +348,398+4.6% | Added |
| Two Sigma Advisers, LP | 8,081,560 | $350.7M | 0.91% | +2,483,000+44.4% | Added |
| Nuveen Asset Management, LLC | 8,477,333 | $367.8M | 0.12% | −2,009,244−19.2% | Reduced |
| Standard Life Aberdeen plc | 8,910,717 | $391.8M | 0.88% | −533,988−5.7% | Reduced |
| Lazard Asset Management LLC | 9,722,386 | $421.9M | 0.48% | +14,004+0.1% | Added |
| Legal & General Group Plc | 10,274,416 | $445.8M | 0.14% | +551,217+5.7% | Added |
| Bank of America Corp | 10,915,793 | $473.6M | 0.05% | +57,728+0.5% | Added |
| Vontobel Asset Management Inc | 11,775,598 | $531.6M | 2.99% | −773,964−6.2% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 12,595,226 | $546.6M | 0.88% | −2,799,968−18.2% | Reduced |
| Norges Bank | 13,738,346 | $596.1M | 0.13% | −438,465−3.1% | Reduced |
| Northern Trust Corp | 13,928,847 | $604.4M | 0.11% | −82,570−0.6% | Reduced |
| Farallon Capital Management, L.L.C. | 14,002,581 | $607.6M | 3.26% | +1,285,962+10.1% | Added |
| Bank of New York Mellon Corp | 14,774,875 | $641.1M | 0.13% | −81,124−0.5% | Reduced |
| Parnassus Investments | 15,676,957 | $680.2M | 1.43% | +564,197+3.7% | Added |
| Goldman Sachs Group Inc | 16,287,048 | $706.7M | 0.18% | +885,503+5.7% | Added |
| Artisan Partners Limited Partnership | 20,994,704 | $911.0M | 1.12% | −1,506,329−6.7% | Reduced |
| Geode Capital Management, LLC | 21,978,835 | $950.7M | 0.13% | +766,495+3.6% | Added |
| Bollard Group LLC | 27,156,913 | $1.18B | 38.60% | −2,628,079−8.8% | Reduced |
| JPMorgan Chase & Co | 37,387,665 | $1.62B | 0.22% | −2,181,758−5.5% | Reduced |
| Primecap Management Co | 39,607,309 | $1.72B | 1.21% | −413,136−1.0% | Reduced |
| Janus Henderson Group PLC | 49,921,505 | $2.17B | 0.95% | −1,863,770−3.6% | Reduced |
| State Street Corp | 62,550,166 | $2.71B | 0.14% | +677,714+1.1% | Added |
| Massachusetts Financial Services Co | 83,795,622 | $3.64B | 1.06% | −627,678−0.7% | Reduced |
| Wellington Management Group LLP | 83,830,670 | $3.64B | 0.62% | −5,123,566−5.8% | Reduced |
| FMR LLC | 107,598,578 | $4.67B | 0.37% | +4,293,223+4.2% | Added |
| Vanguard Group Inc | 111,212,803 | $4.83B | 0.12% | +1,077,710+1.0% | Added |
| BlackRock Inc. | 122,400,261 | $5.31B | 0.15% | +4,557,618+3.9% | Added |
| Tesco Pension Investment Ltd | 0 | $0 | 0.00% | −1,808,744−100.0% | Sold out |
| Woodline Partners LP | 0 | $0 | 0.00% | −1,050,527−100.0% | Sold out |
| Rock Springs Capital Management LP | 0 | $0 | 0.00% | −800,000−100.0% | Sold out |
| TPI Fund Managers Ltd | 0 | $0 | 0.00% | −231,397−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −141,932−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −134,558−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −122,606−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −113,448−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −99,870−100.0% | Sold out |
| Connor, Clark & Lunn Investment Management Ltd. | 0 | $0 | 0.00% | −94,751−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −76,777−100.0% | Sold out |
| BlueCrest Capital Management Ltd | 0 | $0 | 0.00% | −71,254−100.0% | Sold out |
| Weiss Asset Management LP | 0 | $0 | 0.00% | −54,242−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −51,259−100.0% | Sold out |
| Centiva Capital, LP | 0 | $0 | 0.00% | −38,999−100.0% | Sold out |
| Blueshift Asset Management, LLC | 0 | $0 | 0.00% | −35,645−100.0% | Sold out |