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, 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
- 1,486
- −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
- 621 more reduced
19 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 | 1,486 | $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, 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 |
|---|---|---|---|---|---|
| Mitsubishi UFJ Trust & Banking Corp | 718,215 | $30.7M | 0.07% | +12,221+1.7% | Added |
| Causeway Capital Management LLC | 720,339 | $30.7M | 0.33% | +720,339 | New |
| Rockefeller Capital Management L.P. | 721,186 | $30.8M | 0.05% | +9,245+1.3% | Added |
| Hudson Bay Capital Management LP | 742,896 | $31.7M | 0.15% | +258,896+53.5% | Added |
| Teacher Retirement System of Texas | 743,821 | $31.7M | 0.09% | +308,023+70.7% | Added |
| Royal London Asset Management Ltd | 753,076 | $32.1M | 0.06% | +87,185+13.1% | Added |
| FORA Capital, LLC | 756,269 | $32.3M | 2.22% | +385,335+103.9% | Added |
| Vanguard Investments Australia, Ltd. | 760,113 | $32.4M | 0.08% | +22,370+3.0% | Added |
| Jump Financial, LLC | 762,861 | $32.6M | 0.29% | +144,146+23.3% | Added |
| UniSuper Management Pty Ltd | 767,067 | $32.7M | 0.17% | +47,397+6.6% | Added |
| DKRT Investments Corp. | 780,000 | $33.3M | 8.13% | +345,000+79.3% | Added |
| PFA Pension, Forsikringsaktieselskab | 803,745 | $34.3M | 0.09% | −121,746−13.2% | Reduced |
| Holocene Advisors, LP | 806,732 | $34.4M | 0.08% | −2,622,004−76.5% | Reduced |
| Danske Bank A/S | 819,227 | $35.0M | 0.07% | −15,520−1.9% | Reduced |
| Quadrature Capital Ltd | 830,712 | $35.5M | 0.30% | +160,621+24.0% | Added |
| Northwestern Mutual Wealth Management Co | 839,483 | $35.8M | 0.02% | −14,862−1.7% | Reduced |
| State of Wisconsin Investment Board | 854,407 | $36.5M | 0.07% | +20,452+2.5% | Added |
| Jupiter Asset Management Ltd | 848,407 | $36.6M | 0.18% | +848,407 | New |
| Compass Capital Management, Inc | 859,530 | $36.7M | 2.21% | +148,656+20.9% | Added |
| Prudential Financial Inc | 861,563 | $36.8M | 0.04% | −686,999−44.4% | Reduced |
| Edmond de Rothschild Holding S.A. | 875,810 | $37.4M | 0.49% | +141,085+19.2% | Added |
| Bellevue Group AG | 887,650 | $37.9M | 0.80% | −579,244−39.5% | Reduced |
| Integral Health Asset Management, LLC | 900,000 | $38.4M | 1.58% | +350,000+63.6% | Added |
| Tocqueville Asset Management L.P. | 902,984 | $38.5M | 0.51% | +224,812+33.1% | Added |
| LGT Capital Partners Ltd. | 915,966 | $39.1M | 1.98% | +915,966 | New |
| AMF Pensionsforsakring AB | 928,424 | $39.6M | 0.23% | −23,558−2.5% | Reduced |
| Erste Asset Management GmbH | 921,448 | $40.1M | 0.31% | +724,109+366.9% | Added |
| Quantinno Capital Management LP | 942,206 | $40.2M | 0.05% | +367,724+64.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 950,900 | $40.6M | 0.08% | −840,249−46.9% | Reduced |
| National Bank of Canada | 958,975 | $40.9M | 0.04% | −301,919−23.9% | Reduced |
| Mariner, LLC | 960,829 | $41.0M | 0.04% | −1,524,131−61.3% | Reduced |
| Nicholas Company, Inc. | 982,444 | $41.9M | 0.77% | +241,170+32.5% | Added |
| Aquatic Capital Management LLC | 985,535 | $42.1M | 1.44% | +494,913+100.9% | Added |
| Acadian Asset Management LLC | 986,764 | $42.1M | 0.05% | −508,376−34.0% | Reduced |
| Victory Capital Management Inc | 995,702 | $42.5M | 0.02% | +498,671+100.3% | Added |
| Fisher Funds Management LTD | 1,007,864 | $43.0M | 1.23% | +146,900+17.1% | Added |
| APG Asset Management N.V. | 1,163,214 | $43.4M | 0.11% | +266,765+29.8% | Added |
| Great West Life Assurance Co | 1,024,606 | $43.7M | 0.07% | −61,158−5.6% | Reduced |
| Allianz Asset Management GmbH | 1,029,740 | $43.9M | 0.04% | −1,364,084−57.0% | Reduced |
| DnB Asset Management AS | 1,042,751 | $44.5M | 0.12% | +515,487+97.8% | Added |
| LPL Financial LLC | 1,052,249 | $44.9M | 0.01% | +204,211+24.1% | Added |
| Banque Pictet & Cie SA | 1,068,465 | $45.6M | 0.47% | +147,301+16.0% | Added |
| Cadian Capital Management, LP | 1,105,132 | $47.2M | 3.57% | +935,132+550.1% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 1,101,593 | $47.2M | 0.07% | −439,419−28.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 1,120,331 | $47.8M | 0.95% | +670,060+148.8% | Added |
| Retirement Systems of Alabama | 1,146,848 | $48.9M | 0.15% | +831,916+264.2% | Added |
| Impax Asset Management Group plc | 1,159,186 | $49.5M | 0.32% | −200,386−14.7% | Reduced |
| Trexquant Investment LP | 1,169,741 | $49.9M | 0.31% | +784,250+203.4% | Added |
| New York State Teachers Retirement System | 1,171,238 | $50.0M | 0.09% | −34,011−2.8% | Reduced |
| Parnassus Investments | 1,174,799 | $50.1M | 0.13% | −6,829,021−85.3% | Reduced |
| TD Asset Management Inc | 1,175,881 | $50.2M | 0.04% | −623,235−34.6% | Reduced |
| Toronto Dominion Bank | 1,186,630 | $50.6M | 0.08% | +738,432+164.8% | Added |
| SEB Asset Management AB | 1,208,194 | $51.6M | 0.19% | −868,330−41.8% | Reduced |
| Eurizon Capital SGR S.p.A. | 1,210,293 | $51.9M | 0.14% | −138,190−10.2% | Reduced |
| Nomura Asset Management Co Ltd | 1,225,321 | $52.3M | 0.11% | +209,900+20.7% | Added |
| Storebrand Asset Management AS | 1,232,856 | $52.6M | 0.13% | +35,877+3.0% | Added |
| Cerity Partners LLC | 1,250,901 | $53.4M | 0.06% | −12,854−1.0% | Reduced |
| Harvest Portfolios Group Inc. | 1,264,163 | $54.0M | 0.76% | +347,182+37.9% | Added |
| Prosight Management, LP | 1,270,273 | $54.2M | 9.34% | +474,726+59.7% | Added |
| State Board of Administration of Florida Retirement System | 1,275,186 | $54.4M | 0.09% | −13,512−1.0% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 1,315,000 | $56.1M | 0.59% | +1,315,000 | New |
| Bank of Nova Scotia | 1,323,635 | $56.5M | 0.09% | −979,376−42.5% | Reduced |
| Natixis Advisors, L.P. | 1,325,522 | $56.6M | 0.06% | −542,522−29.0% | Reduced |
| Schonfeld Strategic Advisors LLC | 1,326,951 | $56.6M | 0.30% | +221,436+20.0% | Added |
| Menora Mivtachim Holdings Ltd. | 1,333,500 | $56.9M | 0.22% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 1,293,187 | $57.2M | 0.02% | −238,750−15.6% | Reduced |
| TCW Group Inc | 1,352,384 | $57.7M | 0.39% | −183,826−12.0% | Reduced |
| Bank of Montreal | 1,374,431 | $58.7M | 0.02% | +49,904+3.8% | Added |
| The PNC Financial Services Group, Inc. | 1,387,652 | $59.2M | 0.03% | +228,028+19.7% | Added |
| Public Employees Retirement Association of Colorado | 1,418,281 | $60.5M | 0.21% | −283,525−16.7% | Reduced |
| Veritas Investment Partners (UK) Ltd. | 1,427,592 | $60.9M | 1.63% | −130,422−8.4% | Reduced |
| Aviva PLC | 1,431,447 | $61.1M | 0.09% | −57,161−3.8% | Reduced |
| Envestnet Asset Management Inc | 1,458,786 | $62.3M | 0.01% | −228,033−13.5% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 1,467,148 | $62.6M | 0.12% | +659,779+81.7% | Added |
| Tudor Investment Corp Et Al | 1,477,637 | $63.1M | 0.26% | +845,085+133.6% | Added |
| OrbiMed Advisors LLC | 1,483,200 | $63.3M | 1.20% | −898,900−37.7% | Reduced |
| Capital Fund Management S.A. | 1,486,096 | $63.4M | 0.45% | −179,851−10.8% | Reduced |
| HRT Financial LP | 1,507,089 | $64.3M | 0.12% | +455,093+43.3% | Added |
| Walleye Capital LLC | 1,578,172 | $67.4M | 0.32% | +742,220+88.8% | Added |
| Lansforsakringar Fondforvaltning AB (publ) | 1,581,108 | $67.5M | 0.30% | +687,359+76.9% | Added |
| Handelsbanken Fonder AB | 1,584,433 | $67.6M | 0.19% | −1,002,628−38.8% | Reduced |
| Groupama Asset Managment | 1,571,750 | $68.1M | 0.86% | +196,489+14.3% | Added |
| Squarepoint Ops LLC | 1,624,929 | $69.4M | 0.13% | +35,015+2.2% | Added |
| KBC Group NV | 1,627,380 | $69.5M | 0.15% | −793,126−32.8% | Reduced |
| Credit Agricole S A | 1,647,566 | $70.3M | 0.18% | −374,011−18.5% | Reduced |
| Susquehanna International Group, LLP | 1,661,950 | $70.9M | 0.06% | +628,841+60.9% | Added |
| Banque Transatlantique SA | 914,874 | $71.3M | 1.54% | +115,967+14.5% | Added |
| Adage Capital Partners GP, L.L.C. | 1,670,022 | $71.3M | 0.10% | −2,963,215−64.0% | Reduced |
| Principal Financial Group Inc | 1,675,210 | $71.5M | 0.04% | −11,243−0.7% | Reduced |
| First Manhattan Co | 1,697,334 | $72.4M | 0.18% | −3,213,883−65.4% | Reduced |
| New York State Common Retirement Fund | 1,731,953 | $73.9M | 0.09% | −81,000−4.5% | Reduced |
| Stifel Financial Corp | 1,760,990 | $75.2M | 0.06% | −217,021−11.0% | Reduced |
| Raymond James Financial Inc | 1,923,305 | $82.1M | 0.02% | −1,105,792−36.5% | Reduced |
| Phoenix Holdings Ltd. | 1,962,730 | $83.8M | 0.57% | +412,358+26.6% | Added |
| California Public Employees Retirement System | 2,047,848 | $87.4M | 0.05% | −213,417−9.4% | Reduced |
| Neuberger Berman Group LLC | 2,126,406 | $90.8M | 0.06% | −4,946,488−69.9% | Reduced |
| Alliancebernstein L.P. | 1,455,619 | $91.3M | 0.03% | −170,166−10.5% | Reduced |
| Milford Funds Ltd | 2,169,484 | $92.6M | 1.51% | −40,737−1.8% | Reduced |
| California State Teachers Retirement System | 2,270,596 | $96.9M | 0.09% | −29,358−1.3% | Reduced |
| Unisphere Establishment | 2,387,800 | $101.9M | 0.87% | −414,900−14.8% | Reduced |