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, 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
- −83 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
- 279
- 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 | 1,486 | $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, 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 |
|---|---|---|---|---|---|
| Commonwealth Equity Services, LLC | 154,252 | $9.68M | 0.01% | −58,055−27.3% | Reduced |
| Allstate Corp | 153,970 | $9.66M | 0.10% | +41,824+37.3% | Added |
| Capital International Ltd | 153,640 | $9.64M | 0.36% | −85,225−35.7% | Reduced |
| Sumitomo Life Insurance Co | 152,429 | $9.56M | 0.22% | +16,057+11.8% | Added |
| Lombard Odier Asset Management (Europe) Ltd | 151,463 | $9.50M | 0.52% | +8,184+5.7% | Added |
| Macquarie Group Ltd | 151,291 | $9.49M | 0.06% | −79,665−34.5% | Reduced |
| Diamond Hill Capital Management Inc | 150,114 | $9.42M | 0.06% | −100,100−40.0% | Reduced |
| OP Asset Management Ltd | 150,097 | $9.42M | 0.10% | −11,080−6.9% | Reduced |
| Ardsley Advisory Partners LP | 150,000 | $9.41M | 1.43% | +150,000 | New |
| Mill Capital Management, LLC | 149,756 | $9.40M | 0.71% | +42,453+39.6% | Added |
| Illinois Municipal Retirement Fund | 149,182 | $9.36M | 0.12% | −49,866−25.1% | Reduced |
| Osmosis Investment Management UK Ltd | 148,676 | $9.33M | 0.25% | +53,203+55.7% | Added |
| Merit Financial Group, LLC | 147,762 | $9.27M | 0.07% | +11,745+8.6% | Added |
| State of Alaska, Department of Revenue | 147,493 | $9.26M | 0.10% | 00.0% | Unchanged |
| Capitolis Liquid Global Markets LLC | 147,333 | $9.25M | 0.06% | +147,333 | New |
| North Point Portfolio Managers Corp | 147,327 | $9.24M | 1.65% | +43,893+42.4% | Added |
| Vestmark Advisory Solutions, Inc. | 146,593 | $9.20M | 0.10% | +84,748+137.0% | Added |
| Assetmark, Inc | 145,679 | $9.14M | 0.02% | +39,270+36.9% | Added |
| M&G Plc | 143,246 | $9.02M | 0.05% | +1,266+0.9% | Added |
| HealthInvest Partners AB | 40,432 | $8.84M | 2.86% | −68,250−62.8% | Reduced |
| Occudo Quantitative Strategies LP | 153,038 | $8.82M | 0.48% | −24,028−13.6% | Reduced |
| Rokos Capital Management LLP | 140,163 | $8.79M | 0.16% | +140,163 | New |
| Janney Montgomery Scott LLC | 139,555 | $8.76M | 0.02% | −163,437−53.9% | Reduced |
| Capital International Inc | 136,850 | $8.59M | 0.07% | −85,077−38.3% | Reduced |
| Think Investments LP | 136,000 | $8.53M | 1.15% | +136,000 | New |
| GDS Wealth Management | 135,991 | $8.53M | 0.51% | +6,640+5.1% | Added |
| First National Bank of Mount Dora, Trust Investment Services | 134,736 | $8.45M | 1.83% | +134,736 | New |
| Financial Perspectives, Inc | 134,570 | $8.44M | 2.36% | −597−0.4% | Reduced |
| Moran Wealth Management, LLC | 132,336 | $8.30M | 0.25% | −49,998−27.4% | Reduced |
| Whittier Trust Co of Nevada Inc | 130,931 | $8.19M | 0.17% | +128,391+5,054.8% | Added |
| Lido Advisors, LLC | 129,133 | $8.10M | 0.03% | −11,149−7.9% | Reduced |
| First American Bank | 127,344 | $7.99M | 0.50% | +5,527+4.5% | Added |
| Twinbeech Capital LP | 124,593 | $7.82M | 0.81% | −33,258−21.1% | Reduced |
| Banco Bilbao Vizcaya Argentaria, S.A. | 124,774 | $7.81M | 0.05% | −10,376−7.7% | Reduced |
| Suvretta Capital Management, LLC | 123,941 | $7.78M | 0.21% | −229,620−64.9% | Reduced |
| Exencial Wealth Advisors, LLC | 123,124 | $7.73M | 0.24% | +120,607+4,791.7% | Added |
| Glenmede Trust Co NA | 121,568 | $7.63M | 0.04% | +13,572+12.6% | Added |
| NLB Skladi, upravljanje premozenja, d.o.o. | 119,867 | $7.52M | 0.36% | −5,627−4.5% | Reduced |
| OpenArc Corporate Advisory, LLC | 119,786 | $7.52M | 0.11% | −20,317−14.5% | Reduced |
| Clark Capital Management Group, Inc. | 118,364 | $7.43M | 0.05% | +40,633+52.3% | Added |
| Strategic Wealth Designers | 116,606 | $7.32M | 0.93% | +14,925+14.7% | Added |
| Teachers Retirement System of the State of Kentucky | 115,669 | $7.26M | 0.06% | 00.0% | Unchanged |
| Gulf International Bank (UK) Ltd | 114,629 | $7.19M | 0.16% | +40,100+53.8% | Added |
| Rafferty Asset Management, LLC | 114,594 | $7.19M | 0.03% | −45,012−28.2% | Reduced |
| Formuepleje A/S | 113,645 | $7.13M | 0.65% | −222,807−66.2% | Reduced |
| Agf Management Ltd | 112,483 | $7.06M | 0.03% | −1,574,853−93.3% | Reduced |
| First National Trust Co | 112,477 | $7.06M | 0.24% | −3,693−3.2% | Reduced |
| Gillespie Robinson & Grimm Inc | 111,381 | $6.99M | 0.51% | −106,368−48.8% | Reduced |
| Northside Capital Management, LLC | 111,177 | $6.98M | 0.61% | +111,177 | New |
| Badgley Phelps Wealth Managers, LLC | 111,135 | $6.97M | 0.14% | +1,423+1.3% | Added |
| J. Safra Sarasin Holding AG | 109,029 | $6.84M | 0.12% | −161,436−59.7% | Reduced |
| Flputnam Investment Management Co | 108,824 | $6.83M | 0.10% | −226,404−67.5% | Reduced |
| Tower Research Capital LLC (TRC) | 107,293 | $6.73M | 0.17% | +39,582+58.5% | Added |
| M&T Bank Corp | 106,310 | $6.67M | 0.02% | +3,197+3.1% | Added |
| Investment Management Corp of Ontario | 106,023 | $6.65M | 0.09% | −27,518−20.6% | Reduced |
| Hennion & Walsh Asset Management, Inc. | 105,906 | $6.65M | 0.22% | +2,317+2.2% | Added |
| Spirepoint Private Client, LLC | 105,697 | $6.63M | 0.63% | +11,613+12.3% | Added |
| Envestnet Portfolio Solutions, Inc. | 105,573 | $6.62M | 0.04% | +8,418+8.7% | Added |
| Synergy Financial Management, LLC | 105,453 | $6.62M | 0.70% | −142,657−57.5% | Reduced |
| Braun Stacey Associates Inc | 105,341 | $6.61M | 0.22% | −151,752−59.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 105,313 | $6.61M | 0.01% | −2,887,564−96.5% | Reduced |
| First Nebraska Trust Co | 105,091 | $6.59M | 0.61% | −100−0.1% | Reduced |
| Lone Pine Capital LLCSuperinvestorLone Pine Capital | 104,655 | $6.57M | 0.05% | −97,048−48.1% | Reduced |
| Exane Asset Management | 89,197 | $6.45M | 1.32% | +89,197 | New |
| Oppenheimer Asset Management Inc. | 101,714 | $6.38M | 0.07% | −85,172−45.6% | Reduced |
| Axq Capital, LP | 100,056 | $6.28M | 0.81% | +87,509+697.4% | Added |
| Leonteq Securities AG | 99,255 | $6.23M | 0.38% | +80,333+424.5% | Added |
| Wealthfront Advisers LLC | 99,104 | $6.22M | 0.01% | −27,180−21.5% | Reduced |
| Saranac Partners Ltd | 95,541 | $6.20M | 2.68% | +18,895+24.7% | Added |
| Liontrust Investment Partners LLP | 98,662 | $6.19M | 0.11% | −21,858−18.1% | Reduced |
| Crossmark Global Holdings, Inc. | 98,091 | $6.16M | 0.09% | −935−0.9% | Reduced |
| Caitong International Asset Management Co., Ltd | 97,766 | $6.13M | 1.13% | +93,752+2,335.6% | Added |
| LGT Fund Management Co Ltd. | 95,955 | $6.02M | 0.26% | +36,611+61.7% | Added |
| Mirova | 95,933 | $6.02M | 0.24% | +77,657+424.9% | Added |
| Verition Fund Management LLC | 95,375 | $5.98M | 0.06% | +47,438+99.0% | Added |
| Headland Capital, LLC | 94,257 | $5.91M | 1.67% | +3,747+4.1% | Added |
| Quantitative Investment Management, LLC | 93,718 | $5.88M | 0.61% | +93,718 | New |
| Sanctuary Advisors, LLC | 93,395 | $5.86M | 0.03% | −347−0.4% | Reduced |
| Caisse des Depots Et Consignations | 93,325 | $5.86M | 0.10% | +5,631+6.4% | Added |
| Empowered Funds, LLC | 91,958 | $5.77M | 0.04% | +91,958 | New |
| Vident Advisory, LLC | 91,925 | $5.77M | 0.05% | +32,245+54.0% | Added |
| Hamilton Capital Partners Inc. | 91,895 | $5.77M | 0.19% | +35,512+63.0% | Added |
| Ninety One SA (PTY) Ltd | 91,742 | $5.71M | 0.25% | +83,631+1,031.1% | Added |
| Captrust Financial Advisors | 90,594 | $5.68M | 0.01% | +30,504+50.8% | Added |
| Norinchukin Bank, The | 90,429 | $5.67M | 0.07% | +304+0.3% | Added |
| Mizuho Securities USA LLC | 89,655 | $5.63M | 0.13% | −18,287−16.9% | Reduced |
| Foresight Group Ltd Liability Partnership | 89,343 | $5.61M | 0.99% | +89,343 | New |
| Ninety One North America, Inc. | 89,019 | $5.59M | 0.25% | +11,301+14.5% | Added |
| Dodge & Cox | 88,885 | $5.58M | 0.00% | 00.0% | Unchanged |
| Van Eck Associates Corp | 88,773 | $5.57M | 0.00% | +33,954+61.9% | Added |
| Fortis Capital Management LLC | 86,695 | $5.44M | 0.73% | +43,898+102.6% | Added |
| Lockheed Martin Investment Management Co | 85,920 | $5.39M | 0.20% | +31,370+57.5% | Added |
| Edgestream Partners, L.P. | 85,752 | $5.38M | 0.18% | +66,293+340.7% | Added |
| Canada Post Corp Registered Pension Plan | 85,329 | $5.35M | 0.21% | +27,526+47.6% | Added |
| Factory Mutual Insurance Co | 84,600 | $5.31M | 0.06% | +13,500+19.0% | Added |
| DuPont Capital Management Corp | 84,550 | $5.31M | 0.60% | −8,869−9.5% | Reduced |
| Hartford Investment Management Co | 84,533 | $5.30M | 0.17% | −1,335−1.6% | Reduced |
| BTC Capital Management, Inc. | 84,238 | $5.28M | 0.36% | +30,778+57.6% | Added |
| O'Brien Greene & Co. Inc | 83,406 | $5.23M | 1.48% | +83,406 | New |
| Stoneridge Investment Partners LLC | 82,824 | $5.20M | 3.76% | +82,824 | New |