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 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
- 1,714
- +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
- 557 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 | 1,486 | $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 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 |
|---|---|---|---|---|---|
| Great Lakes Advisors, LLC | 1,834,401 | $179.1M | 1.49% | −25,464−1.4% | Reduced |
| Squarepoint Ops LLC | 1,835,161 | $179.2M | 0.38% | +1,612,916+725.7% | Added |
| DekaBank Deutsche Girozentrale | 1,844,793 | $179.9M | 0.30% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 1,866,282 | $182.2M | 0.42% | +50,938+2.8% | Added |
| New York State Common Retirement Fund | 1,923,521 | $187.8M | 0.24% | −159,813−7.7% | Reduced |
| Macquarie Group Ltd | 1,935,992 | $189.0M | 0.22% | −9,213−0.5% | Reduced |
| Great West Life Assurance Co | 1,960,559 | $190.2M | 0.27% | +36,150+1.9% | Added |
| TD Asset Management Inc | 1,994,416 | $194.7M | 0.16% | −185,778−8.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 2,034,395 | $195.0M | 0.31% | +228,919+12.7% | Added |
| Credit Agricole S A | 2,097,840 | $204.8M | 0.68% | +2,097,840 | New |
| Citigroup Inc | 2,106,101 | $205.6M | 0.14% | −1,926,956−47.8% | Reduced |
| Unisphere Establishment | 2,107,200 | $205.7M | 1.61% | +140,800+7.2% | Added |
| Employees Provident Fund Board | 2,134,591 | $208.4M | 1.67% | +126,761+6.3% | Added |
| Bank of Montreal | 2,138,048 | $208.7M | 0.09% | +117,554+5.8% | Added |
| Stifel Financial Corp | 2,180,080 | $212.8M | 0.19% | +126,799+6.2% | Added |
| Jarislowsky, Fraser Ltd | 2,192,794 | $214.1M | 1.18% | −76,179−3.4% | Reduced |
| Handelsbanken Fonder AB | 2,256,382 | $220.3M | 0.70% | −124,031−5.2% | Reduced |
| Rathbone Brothers plc | 2,281,977 | $222.8M | 0.90% | +31,529+1.4% | Added |
| SEI Investments Co | 2,294,400 | $224.0M | 0.24% | −219,064−8.7% | Reduced |
| California State Teachers Retirement System | 2,404,754 | $234.8M | 0.24% | +28,836+1.2% | Added |
| OrbiMed Advisors LLC | 2,429,300 | $237.2M | 5.69% | −383,900−13.6% | Reduced |
| Natixis Advisors, L.P. | 2,506,765 | $244.7M | 0.36% | +1,904+0.1% | Added |
| Two Sigma Investments, LP | 2,531,581 | $247.2M | 0.38% | +65,205+2.6% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 2,554,682 | $249.4M | 1.00% | +529,529+26.1% | Added |
| Axiom Investors LLC | 2,574,665 | $251.4M | 1.85% | −743,949−22.4% | Reduced |
| Voloridge Investment Management, LLC | 2,609,421 | $254.8M | 0.86% | +590,743+29.3% | Added |
| Standard Life Aberdeen plc | 2,644,944 | $257.6M | 0.41% | +52,490+2.0% | Added |
| Viking Global Investors LPSuperinvestorViking Global Investors | 2,641,682 | $257.9M | 0.67% | −404,082−13.3% | Reduced |
| Bank of Nova Scotia | 2,674,552 | $261.1M | 0.46% | −350,967−11.6% | Reduced |
| BNP Paribas Arbitrage, SA | 2,714,959 | $265.1M | 0.21% | −157,165−5.5% | Reduced |
| Rhumbline Advisers | 2,726,293 | $266.2M | 0.21% | −11,332−0.4% | Reduced |
| Alecta Pensionsforsakring, Omsesidigt | 2,743,100 | $267.8M | 1.19% | 00.0% | Unchanged |
| AustralianSuper Pty Ltd | 2,746,328 | $268.1M | 1.27% | +47,473+1.8% | Added |
| AXA Investment Managers S.A. | 2,816,813 | $275.0M | 0.74% | +2,816,813 | New |
| Swedbank AB | 2,818,677 | $275.2M | 0.28% | −5720.0% | Reduced |
| Envestnet Asset Management Inc | 2,869,555 | $280.2M | 0.08% | +64,643+2.3% | Added |
| Bessemer Group Inc | 2,903,213 | $283.4M | 0.43% | −16,588−0.6% | Reduced |
| Assenagon Asset Management S.A. | 2,914,617 | $284.6M | 0.42% | +243,100+9.1% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 2,947,825 | $287.8M | 0.21% | +119,815+4.2% | Added |
| Holocene Advisors, LP | 2,950,865 | $288.1M | 0.66% | −1,230,169−29.4% | Reduced |
| KBC Group NV | 2,959,617 | $288.9M | 0.69% | +297,044+11.2% | Added |
| Jane Street Group, LLC | 2,978,286 | $290.8M | 0.34% | +2,651,615+811.7% | Added |
| Alliancebernstein L.P. | 2,986,478 | $291.6M | 0.09% | −302,058−9.2% | Reduced |
| Mackenzie Financial Corp | 3,103,508 | $303.0M | 0.37% | +1,499,897+93.5% | Added |
| Robeco Institutional Asset Management B.V. | 3,118,868 | $304.5M | 0.44% | −26,909−0.9% | Reduced |
| Raymond James Financial Inc | 3,157,207 | $308.2M | 0.10% | +779,938+32.8% | Added |
| Agf Management Ltd | 3,237,982 | $316.1M | 1.39% | +3,360+0.1% | Added |
| California Public Employees Retirement System | 3,260,023 | $318.3M | 0.19% | −151,051−4.4% | Reduced |
| HSBC Holdings PLC | 3,397,044 | $331.7M | 0.20% | +473,081+16.2% | Added |
| SurgoCap Partners LP | 3,424,947 | $334.4M | 9.49% | +699,978+25.7% | Added |
| National Pension Service | 3,465,206 | $338.3M | 0.26% | +89,273+2.6% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 3,576,744 | $349.2M | 0.20% | −2,915−0.1% | Reduced |
| Man Group plc | 3,843,937 | $375.3M | 0.73% | +1,706,494+79.8% | Added |
| Neuberger Berman Group LLC | 3,988,463 | $389.4M | 0.28% | +27,248+0.7% | Added |
| American Century Companies Inc | 3,999,106 | $390.4M | 0.20% | −84,219−2.1% | Reduced |
| Pictet Asset Management Holding SA | 4,090,360 | $399.3M | 0.39% | −303,099−6.9% | Reduced |
| Wells Fargo & Company | 4,159,235 | $406.1M | 0.08% | +451,147+12.2% | Added |
| Vontobel Holding Ltd. | 4,171,693 | $407.3M | 1.28% | −115,212−2.7% | Reduced |
| Swiss National Bank | 4,264,700 | $416.4M | 0.24% | −212,500−4.7% | Reduced |
| Dimensional Fund Advisors LP | 4,314,323 | $421.2M | 0.09% | +196,830+4.8% | Added |
| Voya Investment Management LLC | 4,384,369 | $428.0M | 0.43% | −4,362,310−49.9% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 4,430,125 | $432.1M | 1.12% | +218,465+5.2% | Added |
| Barclays PLC | 4,519,951 | $441.3M | 0.16% | +152,500+3.5% | Added |
| FIL Ltd | 4,658,499 | $454.8M | 0.36% | −220,447−4.5% | Reduced |
| Farallon Capital Management, L.L.C. | 4,746,557 | $463.4M | 2.62% | +765,500+19.2% | Added |
| Artisan Partners Limited Partnership | 4,756,162 | $464.3M | 0.67% | −3,762,039−44.2% | Reduced |
| Jennison Associates LLC | 4,938,746 | $482.2M | 0.28% | +2,823,744+133.5% | Added |
| Canada Pension Plan Investment Board | 5,260,450 | $513.6M | 0.36% | +540,804+11.5% | Added |
| Egerton Capital (UK) LLP | 5,312,504 | $518.7M | 5.47% | +3,671,548+223.7% | Added |
| Two Sigma Advisers, LP | 5,339,760 | $521.3M | 1.04% | +169,800+3.3% | Added |
| Ninety One UK Ltd | 5,363,526 | $523.6M | 1.13% | +217,308+4.2% | Added |
| Ameriprise Financial Inc | 5,491,562 | $536.4M | 0.12% | −2,295,397−29.5% | Reduced |
| Polen Capital Management LLC | 5,598,286 | $546.6M | 1.77% | +5,598,286 | New |
| Qube Research & Technologies Ltd | 6,592,509 | $643.6M | 0.91% | +1,912,990+40.9% | Added |
| Capital Research Global Investors | 6,633,733 | $647.6M | 0.12% | +23,940+0.4% | Added |
| Lazard Asset Management LLC | 6,719,769 | $656.1M | 0.88% | +87,009+1.3% | Added |
| Franklin Resources Inc | 6,875,933 | $671.3M | 0.17% | −708,747−9.3% | Reduced |
| Parnassus Investments | 6,884,440 | $672.1M | 1.55% | +6,868,459+42,978.9% | Added |
| Royal Bank of Canada | 7,712,589 | $753.0M | 0.13% | +1,081,528+16.3% | Added |
| Schroder Investment Management Group | 7,810,918 | $762.6M | 0.60% | −552,139−6.6% | Reduced |
| Deutsche Bank AG | 7,938,207 | $775.0M | 0.26% | +389,409+5.2% | Added |
| Millennium Management LLC | 8,524,821 | $783.5M | 0.62% | +3,888,802+83.9% | Added |
| Arrowstreet Capital, Limited Partnership | 8,367,398 | $816.9M | 0.52% | +1,837,480+28.1% | Added |
| Price T Rowe Associates Inc | 8,377,326 | $817.9M | 0.09% | −2,643,954−24.0% | Reduced |
| Fisher Asset Management, LLC | 8,461,025 | $826.0M | 0.30% | +755,641+9.8% | Added |
| Charles Schwab Investment Management Inc | 8,842,313 | $863.3M | 0.14% | +122,402+1.4% | Added |
| Citadel Advisors LLC | 8,906,245 | $869.5M | 0.70% | +3,501,940+64.8% | Added |
| D. E. Shaw & Co., Inc. | 8,910,355 | $869.9M | 0.70% | +2,155,204+31.9% | Added |
| Edgewood Management LLC | 9,301,090 | $908.1M | 3.22% | +2,349,640+33.8% | Added |
| Nuveen, LLC | 9,646,238 | $941.8M | 0.25% | +189,878+2.0% | Added |
| Marshall Wace, LLP | 9,799,040 | $956.7M | 1.05% | +2,301,383+30.7% | Added |
| Massachusetts Financial Services Co | 10,367,293 | $1.01B | 0.31% | −2,491,865−19.4% | Reduced |
| Legal & General Group Plc | 10,457,175 | $1.02B | 0.23% | +463,889+4.6% | Added |
| UBS Group AG | 10,567,142 | $1.03B | 0.20% | −937,523−8.1% | Reduced |
| UBS Asset Management Americas Inc | 10,978,385 | $1.07B | 0.23% | −1,771,685−13.9% | Reduced |
| Bank of New York Mellon Corp | 11,032,972 | $1.08B | 0.19% | −175,691−1.6% | Reduced |
| Amundi | 11,981,584 | $1.16B | 0.37% | +1,781,830+17.5% | Added |
| Janus Henderson Group PLC | 11,971,870 | $1.17B | 0.53% | −185,845−1.5% | Reduced |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 14,032,541 | $1.37B | 1.23% | −2,582,988−15.5% | Reduced |
| Northern Trust Corp | 14,402,636 | $1.41B | 0.18% | +128,188+0.9% | Added |