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, 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
- 1,794
- +111 vs. Q3 2025
- Shares held
- 1.36B
- +28.7M (+2.1%) vs. Q3 2025
- Total value
- $130.0B
- −$343.6M (−0.3%) vs. Q3 2025
- New holders
- 239
- 673 more added
- Sold out
- 128
- 687 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 | 1,486 | $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, 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 |
|---|---|---|---|---|---|
| Meridiem Capital Partners LP | 608,758 | $58.0M | 3.64% | −111,313−15.5% | Reduced |
| Schonfeld Strategic Advisors LLC | 599,281 | $57.1M | 0.29% | −341,343−36.3% | Reduced |
| Fullerton Fund Management Co Ltd. | 598,174 | $57.0M | 2.49% | +387,761+184.3% | Added |
| Harvest Portfolios Group Inc. | 597,341 | $57.0M | 0.99% | +34,598+6.1% | Added |
| Rockefeller Capital Management L.P. | 595,938 | $56.8M | 0.10% | +247,097+70.8% | Added |
| Chicago Capital, LLC | 590,859 | $56.3M | 1.39% | +7,135+1.2% | Added |
| Compass Capital Management, Inc | 584,068 | $55.7M | 3.09% | +584,068 | New |
| Colony Group, LLC | 583,245 | $55.6M | 0.06% | +65,020+12.5% | Added |
| Gateway Investment Advisers LLC | 580,909 | $55.4M | 0.52% | +438+0.1% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 578,603 | $55.2M | 0.09% | +519,946+886.4% | Added |
| Mn Services Vermogensbeheer B.V. | 572,913 | $54.6M | 0.34% | +10,113+1.8% | Added |
| ABN AMRO Bank N.V. | 573,182 | $54.6M | 0.51% | +490,983+597.3% | Added |
| ZWJ Investment Counsel Inc | 571,011 | $54.4M | 1.96% | +5,997+1.1% | Added |
| Oddo BHF Asset Management SAS | 567,904 | $54.1M | 2.03% | +116,062+25.7% | Added |
| E. Ohman J:or Asset Management AB | 564,471 | $53.8M | 1.26% | +167,052+42.0% | Added |
| Susquehanna International Group, LLP | 555,970 | $53.0M | 0.07% | +73,413+15.2% | Added |
| Natixis | 554,011 | $52.8M | 0.21% | +8,343+1.5% | Added |
| Teacher Retirement System of Texas | 552,666 | $52.7M | 0.18% | −242,871−30.5% | Reduced |
| RE Advisers Corp | 547,062 | $52.2M | 1.38% | −121,364−18.2% | Reduced |
| Saudi Central Bank | 539,428 | $51.4M | 1.92% | +20.0% | Added |
| BSN Capital Partners Ltd | 500,000 | $50.1M | 2.36% | +500,000 | New |
| Groupe la Francaise | 525,428 | $49.9M | 0.73% | −90,225−14.7% | Reduced |
| Tri Locum Partners LP | 520,508 | $49.6M | 6.44% | +520,508 | New |
| CIBC World Markets Corp | 506,195 | $48.3M | 0.24% | +506,195 | New |
| Nomura Asset Management International Inc. | 505,287 | $48.2M | 0.07% | +505,287 | New |
| State of New Jersey Common Pension Fund D | 504,452 | $48.1M | 0.17% | −13,020−2.5% | Reduced |
| Parkman Healthcare Partners LLC | 500,529 | $47.7M | 4.54% | +66,152+15.2% | Added |
| Bradley Foster & Sargent Inc | 492,920 | $47.0M | 0.69% | +39,056+8.6% | Added |
| Hudson Bay Capital Management LP | 484,000 | $46.1M | 0.26% | −1,906−0.4% | Reduced |
| Victory Capital Management Inc | 481,269 | $45.9M | 0.03% | −1,999−0.4% | Reduced |
| ASR Vermogensbeheer N.V. | 477,328 | $45.5M | 0.53% | +4,641+1.0% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 469,322 | $44.8M | 0.12% | +215,875+85.2% | Added |
| State of Tennessee, Treasury Department | 475,936 | $44.5M | 0.14% | −55,546−10.5% | Reduced |
| Los Angeles Capital Management LLC | 436,183 | $43.9M | 0.15% | +83,769+23.8% | Added |
| Anchor Capital Advisors LLC | 459,297 | $43.8M | 1.27% | −3,917−0.8% | Reduced |
| Resona Asset Management Co.,Ltd. | 454,945 | $43.4M | 0.21% | −15,983−3.4% | Reduced |
| Cetera Investment Advisers | 450,143 | $42.9M | 0.05% | +7,993+1.8% | Added |
| Jump Financial, LLC | 449,298 | $42.8M | 0.54% | +63,968+16.6% | Added |
| Tocqueville Asset Management L.P. | 443,728 | $42.3M | 0.62% | −3,001−0.7% | Reduced |
| La Banque Postale Asset Management SA | 434,393 | $41.4M | 0.48% | +33,534+8.4% | Added |
| Mariner, LLC | 431,206 | $41.1M | 0.05% | +17,992+4.4% | Added |
| Rhenman & Partners Asset Management AB | 431,207 | $41.1M | 3.84% | −6,793−1.6% | Reduced |
| Advisor Group Holdings, Inc. | 428,756 | $40.9M | 0.06% | −11,898−2.7% | Reduced |
| Arizona State Retirement System | 420,931 | $40.1M | 0.22% | −11,163−2.6% | Reduced |
| Iron Triangle Partners LP | 420,773 | $40.1M | 4.59% | +420,773 | New |
| Capital International Sarl | 415,718 | $39.6M | 0.64% | +87,427+26.6% | Added |
| Rock Springs Capital Management LP | 399,050 | $38.0M | 1.95% | +38,800+10.8% | Added |
| Czech National Bank | 390,897 | $37.3M | 0.24% | +14,563+3.9% | Added |
| State of Michigan Retirement System | 388,108 | $37.0M | 0.18% | −12,600−3.1% | Reduced |
| SG Americas Securities, LLC | 386,518 | $36.9M | 0.05% | −19,225−4.7% | Reduced |
| Forsta Ap-Fonden | 375,200 | $35.8M | 0.21% | +9,100+2.5% | Added |
| DnB Asset Management AS | 374,557 | $35.7M | 0.12% | −24,773−6.2% | Reduced |
| Associated Banc-Corp | 373,832 | $35.6M | 0.91% | +1,389+0.4% | Added |
| Nisa Investment Advisors, LLC | 372,831 | $35.5M | 0.12% | −18,182−4.6% | Reduced |
| Fisher Funds Management LTD | 370,577 | $35.5M | 0.92% | −112,639−23.3% | Reduced |
| Picton Mahoney Asset Management | 369,905 | $35.3M | 0.39% | +29,802+8.8% | Added |
| MetLife Investment Management | 367,541 | $35.0M | 0.17% | −12,062−3.2% | Reduced |
| CIBC Asset Management Inc | 365,967 | $34.9M | 0.08% | +144,369+65.1% | Added |
| Catalio Capital Management, LP | 360,428 | $34.4M | 6.07% | +97,456+37.1% | Added |
| NS Partners Ltd | 359,256 | $34.3M | 1.34% | +890+0.2% | Added |
| Daiwa Securities Group Inc. | 355,299 | $33.9M | 0.11% | +36,284+11.4% | Added |
| Suvretta Capital Management, LLC | 353,561 | $33.7M | 0.84% | 00.0% | Unchanged |
| Mediolanum International Funds Ltd | 350,810 | $33.7M | 0.34% | +13,816+4.1% | Added |
| Cullen/Frost Bankers, Inc. | 352,666 | $33.6M | 0.37% | −2,703−0.8% | Reduced |
| US Bancorp | 349,679 | $33.3M | 0.04% | +278+0.1% | Added |
| Generate Investment Management Ltd | 348,920 | $33.3M | 1.52% | −46,161−11.7% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 344,824 | $32.9M | 0.17% | −10,999−3.1% | Reduced |
| Shelton Capital Management | 340,094 | $32.4M | 0.64% | +216,600+175.4% | Added |
| MUFG Securities EMEA plc | 339,427 | $32.4M | 0.38% | +311,065+1,096.8% | Added |
| Erste Asset Management GmbH | 332,247 | $32.1M | 0.27% | −142,919−30.1% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 336,540 | $32.1M | 0.83% | −35,427−9.5% | Reduced |
| Formuepleje A/S | 336,452 | $32.1M | 1.92% | −6,085−1.8% | Reduced |
| Flputnam Investment Management Co | 335,228 | $32.0M | 0.46% | −831−0.2% | Reduced |
| HRT Financial LP | 331,656 | $31.6M | 0.10% | −560,689−62.8% | Reduced |
| IFM Investors Pty Ltd | 324,188 | $30.9M | 0.26% | +14,062+4.5% | Added |
| Fiera Capital Corp | 321,483 | $30.7M | 0.10% | +102,193+46.6% | Added |
| Mirae Asset Global Investments Co., Ltd. | 321,166 | $30.6M | 0.09% | +50,092+18.5% | Added |
| Gabelli Funds LLC | 320,681 | $30.6M | 0.21% | −1,440−0.4% | Reduced |
| Creative Planning | 318,372 | $30.4M | 0.02% | −11,112−3.4% | Reduced |
| Trexquant Investment LP | 318,346 | $30.4M | 0.27% | −113,926−26.4% | Reduced |
| Capitolis Liquid Global Markets LLC | 317,304 | $30.3M | 0.18% | +82,304+35.0% | Added |
| LGT Group Foundation | 313,774 | $30.1M | 0.33% | +8,882+2.9% | Added |
| Retirement Systems of Alabama | 315,366 | $30.1M | 0.10% | −718−0.2% | Reduced |
| Pinebridge Investments LLC | 314,446 | $30.0M | 0.22% | +314,446 | New |
| ProShare Advisors LLC | 306,169 | $29.2M | 0.05% | +26,021+9.3% | Added |
| Janney Montgomery Scott LLC | 302,992 | $28.9M | 0.07% | +7,039+2.4% | Added |
| Fifth Third Bancorp | 302,509 | $28.8M | 0.09% | −2,147−0.7% | Reduced |
| Samlyn Capital, LLC | 299,118 | $28.5M | 0.46% | −187,742−38.6% | Reduced |
| Renaissance Group LLC | 294,324 | $28.1M | 1.13% | +294,324 | New |
| Ofi Invest Asset Management | 334,242 | $27.2M | 0.39% | +323,637+3,051.7% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 284,570 | $27.1M | 0.23% | −5,800−2.0% | Reduced |
| Amalgamated Bank | 280,706 | $26.8M | 0.19% | −17,045−5.7% | Reduced |
| Eastern Bank | 280,627 | $26.8M | 0.46% | −12,551−4.3% | Reduced |
| Varma Mutual Pension Insurance Co | 280,181 | $26.7M | 0.16% | +9,300+3.4% | Added |
| Voleon Capital Management LP | 277,518 | $26.5M | 0.57% | +65,228+30.7% | Added |
| O'Shaughnessy Asset Management, LLC | 276,989 | $26.4M | 0.15% | −13,096−4.5% | Reduced |
| Kempen Capital Management N.V. | 274,565 | $26.2M | 0.22% | +138,786+102.2% | Added |
| Baird Financial Group, Inc. | 270,944 | $25.8M | 0.04% | −18,039−6.2% | Reduced |
| Banque Pictet & Cie SA | 270,871 | $25.8M | 0.26% | −41,572−13.3% | Reduced |
| J. Safra Sarasin Holding AG | 270,465 | $25.8M | 0.42% | −36,293−11.8% | Reduced |