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; 1,487 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, Q4 2025
Institutional positions in Boston Scientific Corp as of Dec 31, 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
- 1,793
- +111 vs. Q3 2025
- Shares held
- 1.36B
- +28.7M (+2.1%) vs. Q3 2025
- Total value
- $130.0B
- −$343.5M (−0.3%) vs. Q3 2025
- New holders
- 239
- 673 more added
- Sold out
- 128
- 686 more reduced
32 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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 | 1,487 | $57.3B |
| Q1 2026 | 1,683 | $84.2B |
| Q4 2025 | 1,793 | $130.0B |
| Q3 2025 | 1,714 | $131.1B |
| Q2 2025 | 1,693 | $145.4B |
| Q1 2025 | 1,648 | $135.2B |
| Q4 2024 | 1,519 | $119.8B |
| Q3 2024 | 1,402 | $111.0B |
| Q2 2024 | 1,324 | $102.2B |
| Q1 2024 | 1,226 | $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, Q4 2025
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Eastern Bank | 280,627 | $26.8M | 0.46% | −12,551−4.3% | Reduced |
| Amalgamated Bank | 280,706 | $26.8M | 0.19% | −17,045−5.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 284,570 | $27.1M | 0.23% | −5,800−2.0% | Reduced |
| Ofi Invest Asset Management | 334,242 | $27.2M | 0.39% | +323,637+3,051.7% | Added |
| Renaissance Group LLC | 294,324 | $28.1M | 1.13% | +294,324 | New |
| Samlyn Capital, LLC | 299,118 | $28.5M | 0.46% | −187,742−38.6% | Reduced |
| Fifth Third Bancorp | 302,509 | $28.8M | 0.09% | −2,147−0.7% | Reduced |
| Janney Montgomery Scott LLC | 302,992 | $28.9M | 0.07% | +7,039+2.4% | Added |
| ProShare Advisors LLC | 306,169 | $29.2M | 0.05% | +26,021+9.3% | Added |
| Pinebridge Investments LLC | 314,446 | $30.0M | 0.22% | +314,446 | New |
| Retirement Systems of Alabama | 315,366 | $30.1M | 0.10% | −718−0.2% | Reduced |
| LGT Group Foundation | 313,774 | $30.1M | 0.33% | +8,882+2.9% | Added |
| Capitolis Liquid Global Markets LLC | 317,304 | $30.3M | 0.18% | +82,304+35.0% | Added |
| Trexquant Investment LP | 318,346 | $30.4M | 0.27% | −113,926−26.4% | Reduced |
| Creative Planning | 318,372 | $30.4M | 0.02% | −11,112−3.4% | Reduced |
| Gabelli Funds LLC | 320,681 | $30.6M | 0.21% | −1,440−0.4% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 321,166 | $30.6M | 0.09% | +50,092+18.5% | Added |
| Fiera Capital Corp | 321,483 | $30.7M | 0.10% | +102,193+46.6% | Added |
| IFM Investors Pty Ltd | 324,188 | $30.9M | 0.26% | +14,062+4.5% | Added |
| HRT Financial LP | 331,656 | $31.6M | 0.10% | −560,689−62.8% | Reduced |
| Flputnam Investment Management Co | 335,228 | $32.0M | 0.46% | −831−0.2% | Reduced |
| Formuepleje A/S | 336,452 | $32.1M | 1.92% | −6,085−1.8% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 336,540 | $32.1M | 0.83% | −35,427−9.5% | Reduced |
| Erste Asset Management GmbH | 332,247 | $32.1M | 0.27% | −142,919−30.1% | Reduced |
| MUFG Securities EMEA plc | 339,427 | $32.4M | 0.38% | +311,065+1,096.8% | Added |
| Shelton Capital Management | 340,094 | $32.4M | 0.64% | +216,600+175.4% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 344,824 | $32.9M | 0.17% | −10,999−3.1% | Reduced |
| Generate Investment Management Ltd | 348,920 | $33.3M | 1.52% | −46,161−11.7% | Reduced |
| US Bancorp | 349,679 | $33.3M | 0.04% | +278+0.1% | Added |
| Cullen/Frost Bankers, Inc. | 352,666 | $33.6M | 0.37% | −2,703−0.8% | Reduced |
| Mediolanum International Funds Ltd | 350,810 | $33.7M | 0.34% | +13,816+4.1% | Added |
| Suvretta Capital Management, LLC | 353,561 | $33.7M | 0.84% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 355,299 | $33.9M | 0.11% | +36,284+11.4% | Added |
| NS Partners Ltd | 359,256 | $34.3M | 1.34% | +890+0.2% | Added |
| Catalio Capital Management, LP | 360,428 | $34.4M | 6.07% | +97,456+37.1% | Added |
| CIBC Asset Management Inc | 365,967 | $34.9M | 0.08% | +144,369+65.1% | Added |
| MetLife Investment Management | 367,541 | $35.0M | 0.17% | −12,062−3.2% | Reduced |
| Picton Mahoney Asset Management | 369,905 | $35.3M | 0.39% | +29,802+8.8% | Added |
| Fisher Funds Management LTD | 370,577 | $35.5M | 0.92% | −112,639−23.3% | Reduced |
| Nisa Investment Advisors, LLC | 372,831 | $35.5M | 0.12% | −18,182−4.6% | Reduced |
| Associated Banc-Corp | 373,832 | $35.6M | 0.91% | +1,389+0.4% | Added |
| DnB Asset Management AS | 374,557 | $35.7M | 0.12% | −24,773−6.2% | Reduced |
| Forsta Ap-Fonden | 375,200 | $35.8M | 0.21% | +9,100+2.5% | Added |
| SG Americas Securities, LLC | 386,518 | $36.9M | 0.05% | −19,225−4.7% | Reduced |
| State of Michigan Retirement System | 388,108 | $37.0M | 0.18% | −12,600−3.1% | Reduced |
| Czech National Bank | 390,897 | $37.3M | 0.24% | +14,563+3.9% | Added |
| Rock Springs Capital Management LP | 399,050 | $38.0M | 1.95% | +38,800+10.8% | Added |
| Capital International Sarl | 415,718 | $39.6M | 0.64% | +87,427+26.6% | Added |
| Iron Triangle Partners LP | 420,773 | $40.1M | 4.59% | +420,773 | New |
| Arizona State Retirement System | 420,931 | $40.1M | 0.22% | −11,163−2.6% | Reduced |
| Advisor Group Holdings, Inc. | 428,756 | $40.9M | 0.06% | −11,898−2.7% | Reduced |
| Rhenman & Partners Asset Management AB | 431,207 | $41.1M | 3.84% | −6,793−1.6% | Reduced |
| Mariner, LLC | 431,206 | $41.1M | 0.05% | +17,992+4.4% | Added |
| La Banque Postale Asset Management SA | 434,393 | $41.4M | 0.48% | +33,534+8.4% | Added |
| Tocqueville Asset Management L.P. | 443,728 | $42.3M | 0.62% | −3,001−0.7% | Reduced |
| Jump Financial, LLC | 449,298 | $42.8M | 0.54% | +63,968+16.6% | Added |
| Cetera Investment Advisers | 450,143 | $42.9M | 0.05% | +7,993+1.8% | Added |
| Resona Asset Management Co.,Ltd. | 454,945 | $43.4M | 0.21% | −15,983−3.4% | Reduced |
| Anchor Capital Advisors LLC | 459,297 | $43.8M | 1.27% | −3,917−0.8% | Reduced |
| Los Angeles Capital Management LLC | 436,183 | $43.9M | 0.15% | +83,769+23.8% | Added |
| State of Tennessee, Treasury Department | 475,936 | $44.5M | 0.14% | −55,546−10.5% | Reduced |
| Bank Julius Baer & Co. Ltd, Zurich | 469,322 | $44.8M | 0.12% | +215,875+85.2% | Added |
| ASR Vermogensbeheer N.V. | 477,328 | $45.5M | 0.53% | +4,641+1.0% | Added |
| Victory Capital Management Inc | 481,269 | $45.9M | 0.03% | −1,999−0.4% | Reduced |
| Hudson Bay Capital Management LP | 484,000 | $46.1M | 0.26% | −1,906−0.4% | Reduced |
| Bradley Foster & Sargent Inc | 492,920 | $47.0M | 0.69% | +39,056+8.6% | Added |
| Parkman Healthcare Partners LLC | 500,529 | $47.7M | 4.54% | +66,152+15.2% | Added |
| State of New Jersey Common Pension Fund D | 504,452 | $48.1M | 0.17% | −13,020−2.5% | Reduced |
| Nomura Asset Management International Inc. | 505,287 | $48.2M | 0.07% | +505,287 | New |
| CIBC World Markets Corp | 506,195 | $48.3M | 0.24% | +506,195 | New |
| Tri Locum Partners LP | 520,508 | $49.6M | 6.44% | +520,508 | New |
| Groupe la Francaise | 525,428 | $49.9M | 0.73% | −90,225−14.7% | Reduced |
| BSN Capital Partners Ltd | 500,000 | $50.1M | 2.36% | +500,000 | New |
| Saudi Central Bank | 539,428 | $51.4M | 1.92% | +20.0% | Added |
| RE Advisers Corp | 547,062 | $52.2M | 1.38% | −121,364−18.2% | Reduced |
| Teacher Retirement System of Texas | 552,666 | $52.7M | 0.18% | −242,871−30.5% | Reduced |
| Natixis | 554,011 | $52.8M | 0.21% | +8,343+1.5% | Added |
| Susquehanna International Group, LLP | 555,970 | $53.0M | 0.07% | +73,413+15.2% | Added |
| E. Ohman J:or Asset Management AB | 564,471 | $53.8M | 1.26% | +167,052+42.0% | Added |
| Oddo BHF Asset Management SAS | 567,904 | $54.1M | 2.03% | +116,062+25.7% | Added |
| ZWJ Investment Counsel Inc | 571,011 | $54.4M | 1.96% | +5,997+1.1% | Added |
| ABN AMRO Bank N.V. | 573,182 | $54.6M | 0.51% | +490,983+597.3% | Added |
| Mn Services Vermogensbeheer B.V. | 572,913 | $54.6M | 0.34% | +10,113+1.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 578,603 | $55.2M | 0.09% | +519,946+886.4% | Added |
| Gateway Investment Advisers LLC | 580,909 | $55.4M | 0.52% | +438+0.1% | Added |
| Colony Group, LLC | 583,245 | $55.6M | 0.06% | +65,020+12.5% | Added |
| Compass Capital Management, Inc | 584,068 | $55.7M | 3.09% | +584,068 | New |
| Chicago Capital, LLC | 590,859 | $56.3M | 1.39% | +7,135+1.2% | Added |
| Rockefeller Capital Management L.P. | 595,938 | $56.8M | 0.10% | +247,097+70.8% | Added |
| Harvest Portfolios Group Inc. | 597,341 | $57.0M | 0.99% | +34,598+6.1% | Added |
| Fullerton Fund Management Co Ltd. | 598,174 | $57.0M | 2.49% | +387,761+184.3% | Added |
| Schonfeld Strategic Advisors LLC | 599,281 | $57.1M | 0.29% | −341,343−36.3% | Reduced |
| Meridiem Capital Partners LP | 608,758 | $58.0M | 3.64% | −111,313−15.5% | Reduced |
| KLP Kapitalforvaltning AS | 610,556 | $58.2M | 0.22% | −2,100−0.3% | Reduced |
| Treasurer of the State of North Carolina | 618,485 | $59.0M | 0.19% | −45,197−6.8% | Reduced |
| Public Employees Retirement System of Ohio | 626,456 | $59.7M | 0.19% | −19,889−3.1% | Reduced |
| Nicholas Company, Inc. | 627,158 | $59.8M | 1.05% | 00.0% | Unchanged |
| Thrivent Financial for Lutherans | 639,120 | $61.0M | 0.11% | +3,134+0.5% | Added |
| Atalanta Sosnoff Capital, LLC | 651,995 | $62.2M | 1.21% | −43,573−6.3% | Reduced |
| Federation des caisses Desjardins du Quebec | 660,545 | $63.0M | 0.24% | +462,046+232.8% | Added |