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, Q1 2026
Institutional positions in Boston Scientific Corp as of Mar 31, 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
- 1,683
- −82 vs. Q4 2025
- Shares held
- 1.34B
- +142.6M (+11.9%) vs. Q4 2025
- Total value
- $84.2B
- −$30.0B (−26.2%) vs. Q4 2025
- New holders
- 196
- 678 more added
- Sold out
- 278
- 638 more reduced
28 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Handelsbanken Fonder AB | 2,587,061 | $162.3M | 0.54% | +66,942+2.7% | Added |
| American Century Companies Inc | 2,617,803 | $164.3M | 0.08% | −1,984,391−43.1% | Reduced |
| Manufacturers Life Insurance Company, The | 2,629,613 | $165.0M | 0.14% | +1,601,237+155.7% | Added |
| Rhumbline Advisers | 2,674,641 | $167.8M | 0.14% | −22,884−0.8% | Reduced |
| Standard Life Aberdeen plc | 2,766,280 | $173.6M | 0.28% | +121,968+4.6% | Added |
| Unisphere Establishment | 2,802,700 | $175.9M | 1.48% | +626,000+28.8% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 2,865,900 | $179.7M | 0.88% | +122,800+4.5% | Added |
| Wells Fargo & Company | 2,971,322 | $186.5M | 0.04% | −1,165,706−28.2% | Reduced |
| Raymond James Financial Inc | 3,029,097 | $190.1M | 0.06% | −503,955−14.3% | Reduced |
| Renaissance Technologies LLC | 3,152,005 | $197.8M | 0.31% | +769,300+32.3% | Added |
| Rathbone Brothers plc | 3,179,435 | $199.5M | 0.80% | +419,778+15.2% | Added |
| FIL Ltd | 3,214,116 | $201.7M | 0.16% | −1,543,963−32.4% | Reduced |
| Vanguard Global Advisers, LLC | 3,244,238 | $203.6M | 0.11% | +3,244,238 | New |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 3,364,108 | $211.1M | 0.14% | +253,039+8.1% | Added |
| HSBC Holdings PLC | 3,399,703 | $212.7M | 0.13% | −212,549−5.9% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,422,813 | $214.8M | 0.14% | −34,648−1.0% | Reduced |
| Holocene Advisors, LP | 3,428,736 | $215.2M | 0.52% | −1,042,353−23.3% | Reduced |
| Marshall Wace, LLP | 3,611,020 | $226.6M | 0.24% | +653,783+22.1% | Added |
| Point72 Asset Management, L.P. | 3,687,315 | $231.4M | 0.40% | +1,252,752+51.5% | Added |
| National Pension Service | 3,698,745 | $232.1M | 0.18% | −62,870−1.7% | Reduced |
| Man Group plc | 3,718,731 | $233.4M | 0.48% | −673,994−15.3% | Reduced |
| Millennium Management LLC | 4,337,804 | $240.8M | 0.18% | −6,926,986−61.5% | Reduced |
| Jane Street Group, LLC | 4,032,117 | $253.0M | 0.27% | +238,881+6.3% | Added |
| Maverick Capital LtdSuperinvestorMaverick Capital | 4,195,089 | $263.2M | 3.06% | +1,250,835+42.5% | Added |
| Citadel Advisors LLC | 4,217,314 | $264.6M | 0.19% | −558,304−11.7% | Reduced |
| Swiss National Bank | 4,350,600 | $273.0M | 0.16% | +290,100+7.1% | Added |
| Ensign Peak Advisors, Inc | 4,507,242 | $282.8M | 0.53% | +2,929,480+185.7% | Added |
| Adage Capital Partners GP, L.L.C. | 4,633,237 | $290.7M | 0.45% | +2,550,877+122.5% | Added |
| Lazard Asset Management LLC | 4,880,504 | $306.3M | 0.50% | +970,473+24.8% | Added |
| First Manhattan Co | 4,911,217 | $308.2M | 0.85% | +3,029,280+161.0% | Added |
| Barclays PLC | 5,024,157 | $315.3M | 0.11% | +663,465+15.2% | Added |
| BNP Paribas Arbitrage, SA | 5,101,806 | $320.1M | 0.21% | +1,807,168+54.9% | Added |
| Pictet Asset Management Holding SA | 5,120,057 | $321.3M | 0.34% | +820,284+19.1% | Added |
| AQR Capital Management LLC | 5,239,836 | $327.3M | 0.15% | +4,142,091+377.3% | Added |
| Ameriprise Financial Inc | 5,573,439 | $349.4M | 0.08% | −857,645−13.3% | Reduced |
| Qube Research & Technologies Ltd | 5,569,880 | $349.5M | 0.50% | +63,975+1.2% | Added |
| Dimensional Fund Advisors LP | 6,097,777 | $382.7M | 0.08% | +362,547+6.3% | Added |
| Royal Bank of Canada | 6,273,263 | $393.6M | 0.07% | +721,691+13.0% | Added |
| Deutsche Bank AG | 6,653,275 | $417.5M | 0.14% | −94,905−1.4% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 6,966,229 | $437.3M | 0.51% | −756,851−9.8% | Reduced |
| Neuberger Berman Group LLC | 7,072,894 | $443.8M | 0.34% | +3,062,633+76.4% | Added |
| Capital Research Global Investors | 7,080,887 | $444.3M | 0.07% | −3,1680.0% | Reduced |
| Schroder Investment Management Group | 7,252,007 | $455.1M | 0.37% | −1,097,634−13.1% | Reduced |
| 1832 Asset Management L.P. | 7,252,746 | $455.1M | 0.60% | +5,051,088+229.4% | Added |
| Ninety One UK Ltd | 7,308,540 | $458.6M | 1.06% | +1,863,991+34.2% | Added |
| Farallon Capital Management, L.L.C. | 7,470,684 | $468.8M | 2.78% | +31,120+0.4% | Added |
| Edgewood Management LLC | 7,629,399 | $478.7M | 3.09% | −173,866−2.2% | Reduced |
| Price T Rowe Associates Inc | 7,873,368 | $494.1M | 0.06% | +416,082+5.6% | Added |
| Vontobel Holding Ltd. | 7,978,214 | $500.6M | 1.72% | +4,214,425+112.0% | Added |
| Parnassus Investments | 8,003,820 | $502.2M | 1.47% | +104,580+1.3% | Added |
| Canada Pension Plan Investment Board | 8,035,947 | $504.3M | 0.33% | +1,174,187+17.1% | Added |
| Vanguard Fiduciary Trust Co | 8,382,185 | $526.0M | 0.13% | +8,382,185 | New |
| Invesco Ltd. | 9,051,941 | $568.0M | 0.06% | −4,266,236−32.0% | Reduced |
| Charles Schwab Investment Management Inc | 9,170,180 | $575.4M | 0.09% | +223,677+2.5% | Added |
| Two Sigma Investments, LP | 9,411,231 | $590.6M | 0.49% | +6,939,887+280.8% | Added |
| Bank of New York Mellon Corp | 9,543,875 | $598.9M | 0.11% | −1,680,922−15.0% | Reduced |
| Assenagon Asset Management S.A. | 10,057,936 | $631.1M | 1.01% | +5,751,760+133.6% | Added |
| Legal & General Group Plc | 10,600,766 | $665.2M | 0.15% | −275,851−2.5% | Reduced |
| Massachusetts Financial Services Co | 10,996,572 | $716.9M | 0.24% | +1,911,044+21.0% | Added |
| Nuveen, LLC | 11,734,314 | $736.3M | 0.20% | +2,362,020+25.2% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13,229,644 | $830.2M | 0.76% | −5,311,049−28.6% | Reduced |
| Northern Trust Corp | 13,373,881 | $839.2M | 0.11% | −561,542−4.0% | Reduced |
| UBS Asset Management Americas Inc | 13,513,771 | $848.0M | 0.18% | +2,576,814+23.6% | Added |
| Arrowstreet Capital, Limited Partnership | 13,891,668 | $871.7M | 0.47% | +2,856,040+25.9% | Added |
| Amundi | 14,122,913 | $886.2M | 0.24% | +1,707,754+13.8% | Added |
| Franklin Resources Inc | 14,498,741 | $909.8M | 0.22% | +8,822,659+155.4% | Added |
| UBS Group AG | 14,824,662 | $930.2M | 0.17% | −47,464−0.3% | Reduced |
| Capital World Investors | 15,309,738 | $960.7M | 0.13% | −11,841,837−43.6% | Reduced |
| Janus Henderson Group PLC | 16,497,366 | $1.04B | 0.49% | +3,907,981+31.0% | Added |
| Bollard Group LLC | 18,532,173 | $1.16B | 35.51% | −468,296−2.5% | Reduced |
| Wellington Management Group LLP | 18,833,406 | $1.18B | 0.22% | +9,124,317+94.0% | Added |
| Goldman Sachs Group Inc | 18,891,624 | $1.19B | 0.16% | +2,312,707+13.9% | Added |
| Morgan Stanley | 22,266,664 | $1.40B | 0.08% | −693,892−3.0% | Reduced |
| Bank of America Corp | 22,756,646 | $1.43B | 0.10% | −2,358,539−9.4% | Reduced |
| D. E. Shaw & Co., Inc. | 24,312,352 | $1.53B | 1.20% | +13,063,148+116.1% | Added |
| Vanguard Portfolio Management LLC | 29,796,211 | $1.87B | 0.10% | +29,796,211 | New |
| Primecap Management Co | 32,529,774 | $2.04B | 1.61% | +1,433,590+4.6% | Added |
| Geode Capital Management, LLC | 33,285,757 | $2.08B | 0.13% | +901,992+2.8% | Added |
| JPMorgan Chase & Co | 33,350,157 | $2.10B | 0.14% | +7,977,271+31.4% | Added |
| State Street Corp | 67,986,847 | $4.27B | 0.15% | +2,140,788+3.3% | Added |
| FMR LLC | 74,226,395 | $4.66B | 0.25% | −23,160,546−23.8% | Reduced |
| Vanguard Capital Management LLC | 96,411,568 | $6.05B | 0.15% | +96,411,568 | New |
| BlackRock, Inc. | 131,822,037 | $8.27B | 0.15% | −4,165,208−3.1% | Reduced |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −6,298,460−100.0% | Sold out |
| Egerton Capital (UK) LLP | 0 | $0 | 0.00% | −5,385,084−100.0% | Sold out |
| SurgoCap Partners LP | 0 | $0 | 0.00% | −2,559,210−100.0% | Sold out |
| Viking Global Investors LPSuperinvestorViking Global Investors | 0 | $0 | 0.00% | −2,509,808−100.0% | Sold out |
| Axiom Investors LLC | 0 | $0 | 0.00% | −1,641,563−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −1,327,239−100.0% | Sold out |
| Munro Partners | 0 | $0 | 0.00% | −1,256,810−100.0% | Sold out |
| Perceptive Advisors LLC | 0 | $0 | 0.00% | −979,000−100.0% | Sold out |
| Meridiem Capital Partners LP | 0 | $0 | 0.00% | −608,758−100.0% | Sold out |
| Tri Locum Partners LP | 0 | $0 | 0.00% | −520,508−100.0% | Sold out |
| Samlyn Capital, LLC | 0 | $0 | 0.00% | −299,118−100.0% | Sold out |
| Railway Pension Investments Ltd | 0 | $0 | 0.00% | −259,900−100.0% | Sold out |
| Alyeska Investment Group, L.P. | 0 | $0 | 0.00% | −237,862−100.0% | Sold out |
| Ontario Teachers Pension Plan Board | 0 | $0 | 0.00% | −224,925−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −141,877−100.0% | Sold out |
| Cookson Peirce & Co Inc | 0 | $0 | 0.00% | −141,817−100.0% | Sold out |
| Zweig-DiMenna Associates LLC | 0 | $0 | 0.00% | −135,600−100.0% | Sold out |