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, Q2 2026
Institutional positions in Boston Scientific Corp as of Jun 30, 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
- 1,485
- −178 vs. Q1 2026
- Shares held
- 1.33B
- +5.24M (+0.4%) vs. Q1 2026
- Total value
- $57.3B
- −$25.9B (−31.1%) vs. Q1 2026
- New holders
- 147
- 590 more added
- Sold out
- 325
- 620 more reduced
20 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Susquehanna International Group, LLP | 1,661,950 | $70.9M | 0.06% | +628,841+60.9% | Added |
| Credit Agricole S A | 1,647,566 | $70.3M | 0.18% | −374,011−18.5% | Reduced |
| KBC Group NV | 1,627,380 | $69.5M | 0.15% | −793,126−32.8% | Reduced |
| Squarepoint Ops LLC | 1,624,929 | $69.4M | 0.13% | +35,015+2.2% | Added |
| Groupama Asset Managment | 1,571,750 | $68.1M | 0.86% | +196,489+14.3% | Added |
| Handelsbanken Fonder AB | 1,584,433 | $67.6M | 0.19% | −1,002,628−38.8% | Reduced |
| Lansforsakringar Fondforvaltning AB (publ) | 1,581,108 | $67.5M | 0.30% | +687,359+76.9% | Added |
| Walleye Capital LLC | 1,578,172 | $67.4M | 0.32% | +742,220+88.8% | Added |
| HRT Financial LP | 1,507,089 | $64.3M | 0.12% | +455,093+43.3% | Added |
| Capital Fund Management S.A. | 1,486,096 | $63.4M | 0.45% | −179,851−10.8% | Reduced |
| OrbiMed Advisors LLC | 1,483,200 | $63.3M | 1.20% | −898,900−37.7% | Reduced |
| Tudor Investment Corp Et Al | 1,477,637 | $63.1M | 0.26% | +845,085+133.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 1,467,148 | $62.6M | 0.12% | +659,779+81.7% | Added |
| Envestnet Asset Management Inc | 1,458,786 | $62.3M | 0.01% | −228,033−13.5% | Reduced |
| Aviva PLC | 1,431,447 | $61.1M | 0.09% | −57,161−3.8% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,427,592 | $60.9M | 1.63% | −130,422−8.4% | Reduced |
| Public Employees Retirement Association of Colorado | 1,418,281 | $60.5M | 0.21% | −283,525−16.7% | Reduced |
| The PNC Financial Services Group, Inc. | 1,387,652 | $59.2M | 0.03% | +228,028+19.7% | Added |
| Bank of Montreal | 1,374,431 | $58.7M | 0.02% | +49,904+3.8% | Added |
| TCW Group Inc | 1,352,384 | $57.7M | 0.39% | −183,826−12.0% | Reduced |
| Jones Financial Companies LLLP | 1,293,187 | $57.2M | 0.02% | −238,750−15.6% | Reduced |
| Menora Mivtachim Holdings Ltd. | 1,333,500 | $56.9M | 0.22% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 1,326,951 | $56.6M | 0.30% | +221,436+20.0% | Added |
| Natixis Advisors, L.P. | 1,325,522 | $56.6M | 0.06% | −542,522−29.0% | Reduced |
| Bank of Nova Scotia | 1,323,635 | $56.5M | 0.09% | −979,376−42.5% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 1,315,000 | $56.1M | 0.59% | +1,315,000 | New |
| State Board of Administration of Florida Retirement System | 1,275,186 | $54.4M | 0.09% | −13,512−1.0% | Reduced |
| Prosight Management, LP | 1,270,273 | $54.2M | 9.34% | +474,726+59.7% | Added |
| Harvest Portfolios Group Inc. | 1,264,163 | $54.0M | 0.76% | +347,182+37.9% | Added |
| Cerity Partners LLC | 1,250,901 | $53.4M | 0.06% | −12,854−1.0% | Reduced |
| Storebrand Asset Management AS | 1,232,856 | $52.6M | 0.13% | +35,877+3.0% | Added |
| Nomura Asset Management Co Ltd | 1,225,321 | $52.3M | 0.11% | +209,900+20.7% | Added |
| Eurizon Capital SGR S.p.A. | 1,210,293 | $51.9M | 0.14% | −138,190−10.2% | Reduced |
| SEB Asset Management AB | 1,208,194 | $51.6M | 0.19% | −868,330−41.8% | Reduced |
| Toronto Dominion Bank | 1,186,630 | $50.6M | 0.08% | +738,432+164.8% | Added |
| TD Asset Management Inc | 1,175,881 | $50.2M | 0.04% | −623,235−34.6% | Reduced |
| Parnassus Investments | 1,174,799 | $50.1M | 0.13% | −6,829,021−85.3% | Reduced |
| New York State Teachers Retirement System | 1,171,238 | $50.0M | 0.09% | −34,011−2.8% | Reduced |
| Trexquant Investment LP | 1,169,741 | $49.9M | 0.31% | +784,250+203.4% | Added |
| Impax Asset Management Group plc | 1,159,186 | $49.5M | 0.32% | −200,386−14.7% | Reduced |
| Retirement Systems of Alabama | 1,146,848 | $48.9M | 0.15% | +831,916+264.2% | Added |
| Y-Intercept (Hong Kong) Ltd | 1,120,331 | $47.8M | 0.95% | +670,060+148.8% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,101,593 | $47.2M | 0.07% | −439,419−28.5% | Reduced |
| Cadian Capital Management, LP | 1,105,132 | $47.2M | 3.57% | +935,132+550.1% | Added |
| Banque Pictet & Cie SA | 1,068,465 | $45.6M | 0.47% | +147,301+16.0% | Added |
| LPL Financial LLC | 1,052,249 | $44.9M | 0.01% | +204,211+24.1% | Added |
| DnB Asset Management AS | 1,042,751 | $44.5M | 0.12% | +515,487+97.8% | Added |
| Allianz Asset Management GmbH | 1,029,740 | $43.9M | 0.04% | −1,364,084−57.0% | Reduced |
| Great West Life Assurance Co | 1,024,606 | $43.7M | 0.07% | −61,158−5.6% | Reduced |
| APG Asset Management N.V. | 1,163,214 | $43.4M | 0.11% | +266,765+29.8% | Added |
| Fisher Funds Management LTD | 1,007,864 | $43.0M | 1.23% | +146,900+17.1% | Added |
| Victory Capital Management Inc | 995,702 | $42.5M | 0.02% | +498,671+100.3% | Added |
| Acadian Asset Management LLC | 986,764 | $42.1M | 0.05% | −508,376−34.0% | Reduced |
| Aquatic Capital Management LLC | 985,535 | $42.1M | 1.44% | +494,913+100.9% | Added |
| Nicholas Company, Inc. | 982,444 | $41.9M | 0.77% | +241,170+32.5% | Added |
| Mariner, LLC | 960,829 | $41.0M | 0.04% | −1,524,131−61.3% | Reduced |
| National Bank of Canada | 958,975 | $40.9M | 0.04% | −301,919−23.9% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 950,900 | $40.6M | 0.08% | −840,249−46.9% | Reduced |
| Quantinno Capital Management LP | 942,206 | $40.2M | 0.05% | +367,724+64.0% | Added |
| Erste Asset Management GmbH | 921,448 | $40.1M | 0.31% | +724,109+366.9% | Added |
| AMF Pensionsforsakring AB | 928,424 | $39.6M | 0.23% | −23,558−2.5% | Reduced |
| LGT Capital Partners Ltd. | 915,966 | $39.1M | 1.98% | +915,966 | New |
| Tocqueville Asset Management L.P. | 902,984 | $38.5M | 0.51% | +224,812+33.1% | Added |
| Integral Health Asset Management, LLC | 900,000 | $38.4M | 1.58% | +350,000+63.6% | Added |
| Bellevue Group AG | 887,650 | $37.9M | 0.80% | −579,244−39.5% | Reduced |
| Edmond de Rothschild Holding S.A. | 875,810 | $37.4M | 0.49% | +141,085+19.2% | Added |
| Prudential Financial Inc | 861,563 | $36.8M | 0.04% | −686,999−44.4% | Reduced |
| Compass Capital Management, Inc | 859,530 | $36.7M | 2.21% | +148,656+20.9% | Added |
| Jupiter Asset Management Ltd | 848,407 | $36.6M | 0.18% | +848,407 | New |
| State of Wisconsin Investment Board | 854,407 | $36.5M | 0.07% | +20,452+2.5% | Added |
| Northwestern Mutual Wealth Management Co | 839,483 | $35.8M | 0.02% | −14,862−1.7% | Reduced |
| Quadrature Capital Ltd | 830,712 | $35.5M | 0.30% | +160,621+24.0% | Added |
| Danske Bank A/S | 819,227 | $35.0M | 0.07% | −15,520−1.9% | Reduced |
| Holocene Advisors, LP | 806,732 | $34.4M | 0.08% | −2,622,004−76.5% | Reduced |
| PFA Pension, Forsikringsaktieselskab | 803,745 | $34.3M | 0.09% | −121,746−13.2% | Reduced |
| DKRT Investments Corp. | 780,000 | $33.3M | 8.13% | +345,000+79.3% | Added |
| UniSuper Management Pty Ltd | 767,067 | $32.7M | 0.17% | +47,397+6.6% | Added |
| Jump Financial, LLC | 762,861 | $32.6M | 0.29% | +144,146+23.3% | Added |
| Vanguard Investments Australia, Ltd. | 760,113 | $32.4M | 0.08% | +22,370+3.0% | Added |
| FORA Capital, LLC | 756,269 | $32.3M | 2.22% | +385,335+103.9% | Added |
| Royal London Asset Management Ltd | 753,076 | $32.1M | 0.06% | +87,185+13.1% | Added |
| Teacher Retirement System of Texas | 743,821 | $31.7M | 0.09% | +308,023+70.7% | Added |
| Hudson Bay Capital Management LP | 742,896 | $31.7M | 0.15% | +258,896+53.5% | Added |
| Rockefeller Capital Management L.P. | 721,186 | $30.8M | 0.05% | +9,245+1.3% | Added |
| Causeway Capital Management LLC | 720,339 | $30.7M | 0.33% | +720,339 | New |
| Mitsubishi UFJ Trust & Banking Corp | 718,215 | $30.7M | 0.07% | +12,221+1.7% | Added |
| Pictet & Cie (Europe) SA | 717,973 | $30.6M | 0.60% | +76,739+12.0% | Added |
| Chevy Chase Trust Holdings, Inc. | 717,888 | $30.6M | 0.08% | −15,243−2.1% | Reduced |
| Osterweis Capital Management Inc | 708,949 | $30.3M | 1.43% | +266,757+60.3% | Added |
| CIBC Bancorp USA Inc. | 706,276 | $30.2M | 0.04% | −1,235,149−63.6% | Reduced |
| MUFG Securities EMEA plc | 695,043 | $29.7M | 0.31% | +634,258+1,043.4% | Added |
| PEAK6 LLC | 683,808 | $29.2M | 0.71% | +657,108+2,461.1% | Added |
| Asset Management One Co.,Ltd. | 677,731 | $28.9M | 0.07% | −100,645−12.9% | Reduced |
| Calamos Advisors LLC | 677,114 | $28.9M | 0.10% | −140,572−17.2% | Reduced |
| Saudi Central Bank | 642,847 | $28.2M | 0.37% | +49,313+8.3% | Added |
| M&G Plc | 649,784 | $27.9M | 0.14% | +506,538+353.6% | Added |
| Allspring Global Investments Holdings, LLC | 634,799 | $27.3M | 0.04% | −458,684−41.9% | Reduced |
| Treasurer of the State of North Carolina | 631,613 | $27.0M | 0.07% | −340−0.1% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 620,861 | $26.5M | 0.42% | −349,425−36.0% | Reduced |
| KLP Kapitalforvaltning AS | 615,456 | $26.3M | 0.08% | −21,300−3.3% | Reduced |