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 $57.3B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2025
Institutional positions in Boston Scientific Corp as of Sep 30, 2025. 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
- 1,715
- +48 vs. Q2 2025
- Shares held
- 1.34B
- +10.1M (+0.8%) vs. Q2 2025
- Total value
- $131.1B
- −$12.0B (−8.4%) vs. Q2 2025
- New holders
- 179
- 769 more added
- Sold out
- 131
- 558 more reduced
27 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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 | 1,485 | $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 2025
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 145,175,869 | $14.2B | 0.25% | −1,511,871−1.0% | Reduced |
| Vanguard Group Inc | 138,249,447 | $13.5B | 0.20% | +1,115,337+0.8% | Added |
| FMR LLC | 99,477,701 | $9.71B | 0.50% | −8,832,876−8.2% | Reduced |
| State Street Corp | 64,925,564 | $6.34B | 0.22% | −266,300−0.4% | Reduced |
| Bank of America Corp | 33,869,041 | $3.31B | 0.25% | +23,922+0.1% | Added |
| Primecap Management Co | 33,102,094 | $3.23B | 2.48% | −1,560,628−4.5% | Reduced |
| Geode Capital Management, LLC | 32,690,528 | $3.18B | 0.20% | +265,546+0.8% | Added |
| JPMorgan Chase & Co | 28,329,209 | $2.77B | 0.18% | +2,669,487+10.4% | Added |
| Capital World Investors | 26,648,948 | $2.60B | 0.36% | −1,875,820−6.6% | Reduced |
| Morgan Stanley | 20,714,248 | $2.02B | 0.12% | +450,584+2.2% | Added |
| Bollard Group LLC | 19,733,573 | $1.93B | 47.69% | −345,870−1.7% | Reduced |
| Invesco Ltd. | 16,963,344 | $1.66B | 0.26% | +111,826+0.7% | Added |
| Goldman Sachs Group Inc | 15,005,259 | $1.46B | 0.21% | +1,070,278+7.7% | Added |
| Wellington Management Group LLP | 14,653,441 | $1.43B | 0.25% | −17,996,024−55.1% | Reduced |
| Northern Trust Corp | 14,402,636 | $1.41B | 0.18% | +128,188+0.9% | Added |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 14,032,541 | $1.37B | 1.23% | −2,582,988−15.5% | Reduced |
| Janus Henderson Group PLC | 11,971,870 | $1.17B | 0.53% | −185,845−1.5% | Reduced |
| Amundi | 11,981,584 | $1.16B | 0.37% | +1,781,830+17.5% | Added |
| Bank of New York Mellon Corp | 11,032,972 | $1.08B | 0.19% | −175,691−1.6% | Reduced |
| UBS Asset Management Americas Inc | 10,978,385 | $1.07B | 0.23% | −1,771,685−13.9% | Reduced |
| UBS Group AG | 10,567,142 | $1.03B | 0.20% | −937,523−8.1% | Reduced |
| Legal & General Group Plc | 10,457,175 | $1.02B | 0.23% | +463,889+4.6% | Added |
| Massachusetts Financial Services Co | 10,367,293 | $1.01B | 0.31% | −2,491,865−19.4% | Reduced |
| Marshall Wace, LLP | 9,799,040 | $956.7M | 1.05% | +2,301,383+30.7% | Added |
| Nuveen, LLC | 9,646,238 | $941.8M | 0.25% | +189,878+2.0% | Added |
| Edgewood Management LLC | 9,301,090 | $908.1M | 3.22% | +2,349,640+33.8% | Added |
| D. E. Shaw & Co., Inc. | 8,910,355 | $869.9M | 0.70% | +2,155,204+31.9% | Added |
| Citadel Advisors LLC | 8,906,245 | $869.5M | 0.70% | +3,501,940+64.8% | Added |
| Charles Schwab Investment Management Inc | 8,842,313 | $863.3M | 0.14% | +122,402+1.4% | Added |
| Fisher Asset Management, LLC | 8,461,025 | $826.0M | 0.30% | +755,641+9.8% | Added |
| Price T Rowe Associates Inc | 8,377,326 | $817.9M | 0.09% | −2,643,954−24.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 8,367,398 | $816.9M | 0.52% | +1,837,480+28.1% | Added |
| Millennium Management LLC | 8,524,821 | $783.5M | 0.62% | +3,888,802+83.9% | Added |
| Deutsche Bank AG | 7,938,207 | $775.0M | 0.26% | +389,409+5.2% | Added |
| Schroder Investment Management Group | 7,810,918 | $762.6M | 0.60% | −552,139−6.6% | Reduced |
| Royal Bank of Canada | 7,712,589 | $753.0M | 0.13% | +1,081,528+16.3% | Added |
| Parnassus Investments | 6,884,440 | $672.1M | 1.55% | +6,868,459+42,978.9% | Added |
| Franklin Resources Inc | 6,875,933 | $671.3M | 0.17% | −708,747−9.3% | Reduced |
| Lazard Asset Management LLC | 6,719,769 | $656.1M | 0.88% | +87,009+1.3% | Added |
| Capital Research Global Investors | 6,633,733 | $647.6M | 0.12% | +23,940+0.4% | Added |
| Qube Research & Technologies Ltd | 6,592,509 | $643.6M | 0.91% | +1,912,990+40.9% | Added |
| Polen Capital Management LLC | 5,598,286 | $546.6M | 1.77% | +5,598,286 | New |
| Ameriprise Financial Inc | 5,491,562 | $536.4M | 0.12% | −2,295,397−29.5% | Reduced |
| Ninety One UK Ltd | 5,363,526 | $523.6M | 1.13% | +217,308+4.2% | Added |
| Two Sigma Advisers, LP | 5,339,760 | $521.3M | 1.04% | +169,800+3.3% | Added |
| Egerton Capital (UK) LLP | 5,312,504 | $518.7M | 5.47% | +3,671,548+223.7% | Added |
| Canada Pension Plan Investment Board | 5,260,450 | $513.6M | 0.36% | +540,804+11.5% | Added |
| Jennison Associates LLC | 4,938,746 | $482.2M | 0.28% | +2,823,744+133.5% | Added |
| Artisan Partners Limited Partnership | 4,756,162 | $464.3M | 0.67% | −3,762,039−44.2% | Reduced |
| Farallon Capital Management, L.L.C. | 4,746,557 | $463.4M | 2.62% | +765,500+19.2% | Added |
| FIL Ltd | 4,658,499 | $454.8M | 0.36% | −220,447−4.5% | Reduced |
| Barclays PLC | 4,519,951 | $441.3M | 0.16% | +152,500+3.5% | Added |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,430,125 | $432.1M | 1.12% | +218,465+5.2% | Added |
| Voya Investment Management LLC | 4,384,369 | $428.0M | 0.43% | −4,362,310−49.9% | Reduced |
| Dimensional Fund Advisors LP | 4,314,323 | $421.2M | 0.09% | +196,830+4.8% | Added |
| Swiss National Bank | 4,264,700 | $416.4M | 0.24% | −212,500−4.7% | Reduced |
| Vontobel Holding Ltd. | 4,171,693 | $407.3M | 1.28% | −115,212−2.7% | Reduced |
| Wells Fargo & Company | 4,159,235 | $406.1M | 0.08% | +451,147+12.2% | Added |
| Pictet Asset Management Holding SA | 4,090,360 | $399.3M | 0.39% | −303,099−6.9% | Reduced |
| American Century Companies Inc | 3,999,106 | $390.4M | 0.20% | −84,219−2.1% | Reduced |
| Neuberger Berman Group LLC | 3,988,463 | $389.4M | 0.28% | +27,248+0.7% | Added |
| Man Group plc | 3,843,937 | $375.3M | 0.73% | +1,706,494+79.8% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,576,744 | $349.2M | 0.20% | −2,915−0.1% | Reduced |
| National Pension Service | 3,465,206 | $338.3M | 0.26% | +89,273+2.6% | Added |
| SurgoCap Partners LP | 3,424,947 | $334.4M | 9.49% | +699,978+25.7% | Added |
| HSBC Holdings PLC | 3,397,044 | $331.7M | 0.20% | +473,081+16.2% | Added |
| California Public Employees Retirement System | 3,260,023 | $318.3M | 0.19% | −151,051−4.4% | Reduced |
| Agf Management Ltd | 3,237,982 | $316.1M | 1.39% | +3,360+0.1% | Added |
| Raymond James Financial Inc | 3,157,207 | $308.2M | 0.10% | +779,938+32.8% | Added |
| Robeco Institutional Asset Management B.V. | 3,118,868 | $304.5M | 0.44% | −26,909−0.9% | Reduced |
| Mackenzie Financial Corp | 3,103,508 | $303.0M | 0.37% | +1,499,897+93.5% | Added |
| Alliancebernstein L.P. | 2,986,478 | $291.6M | 0.09% | −302,058−9.2% | Reduced |
| Jane Street Group, LLC | 2,978,286 | $290.8M | 0.34% | +2,651,615+811.7% | Added |
| KBC Group NV | 2,959,617 | $288.9M | 0.69% | +297,044+11.2% | Added |
| Holocene Advisors, LP | 2,950,865 | $288.1M | 0.66% | −1,230,169−29.4% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,947,825 | $287.8M | 0.21% | +119,815+4.2% | Added |
| Assenagon Asset Management S.A. | 2,914,617 | $284.6M | 0.42% | +243,100+9.1% | Added |
| Bessemer Group Inc | 2,903,213 | $283.4M | 0.43% | −16,588−0.6% | Reduced |
| Envestnet Asset Management Inc | 2,869,555 | $280.2M | 0.08% | +64,643+2.3% | Added |
| Swedbank AB | 2,818,677 | $275.2M | 0.28% | −5720.0% | Reduced |
| AXA Investment Managers S.A. | 2,816,813 | $275.0M | 0.74% | +2,816,813 | New |
| AustralianSuper Pty Ltd | 2,746,328 | $268.1M | 1.27% | +47,473+1.8% | Added |
| Alecta Pensionsforsakring, Omsesidigt | 2,743,100 | $267.8M | 1.19% | 00.0% | Unchanged |
| Rhumbline Advisers | 2,726,293 | $266.2M | 0.21% | −11,332−0.4% | Reduced |
| BNP Paribas Arbitrage, SA | 2,714,959 | $265.1M | 0.21% | −157,165−5.5% | Reduced |
| Bank of Nova Scotia | 2,674,552 | $261.1M | 0.46% | −350,967−11.6% | Reduced |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,641,682 | $257.9M | 0.67% | −404,082−13.3% | Reduced |
| Standard Life Aberdeen plc | 2,644,944 | $257.6M | 0.41% | +52,490+2.0% | Added |
| Voloridge Investment Management, LLC | 2,609,421 | $254.8M | 0.86% | +590,743+29.3% | Added |
| Axiom Investors LLC | 2,574,665 | $251.4M | 1.85% | −743,949−22.4% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 2,554,682 | $249.4M | 1.00% | +529,529+26.1% | Added |
| Two Sigma Investments, LP | 2,531,581 | $247.2M | 0.38% | +65,205+2.6% | Added |
| Natixis Advisors, L.P. | 2,506,765 | $244.7M | 0.36% | +1,904+0.1% | Added |
| OrbiMed Advisors LLC | 2,429,300 | $237.2M | 5.69% | −383,900−13.6% | Reduced |
| California State Teachers Retirement System | 2,404,754 | $234.8M | 0.24% | +28,836+1.2% | Added |
| SEI Investments Co | 2,294,400 | $224.0M | 0.24% | −219,064−8.7% | Reduced |
| Rathbone Brothers plc | 2,281,977 | $222.8M | 0.90% | +31,529+1.4% | Added |
| Handelsbanken Fonder AB | 2,256,382 | $220.3M | 0.70% | −124,031−5.2% | Reduced |
| Jarislowsky, Fraser Ltd | 2,192,794 | $214.1M | 1.18% | −76,179−3.4% | Reduced |
| Stifel Financial Corp | 2,180,080 | $212.8M | 0.19% | +126,799+6.2% | Added |