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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, 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
−82 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
278
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.

Institutional holdersQ1 2026: 1,683 institutions
Q1 2021: 836 institutionsQ2 2021: 873 institutionsQ3 2021: 884 institutionsQ4 2021: 892 institutionsQ1 2022: 909 institutionsQ2 2022: 882 institutionsQ3 2022: 866 institutionsQ4 2022: 930 institutionsQ1 2023: 1,000 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,060 institutionsQ4 2023: 1,151 institutionsQ1 2024: 1,226 institutionsQ2 2024: 1,324 institutionsQ3 2024: 1,402 institutionsQ4 2024: 1,519 institutionsQ1 2025: 1,648 institutionsQ2 2025: 1,693 institutionsQ3 2025: 1,714 institutionsQ4 2025: 1,793 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,487 institutions
Value heldQ1 2026: $84.2B
Q1 2021: $49.9BQ2 2021: $55.3BQ3 2021: $56.6BQ4 2021: $54.8BQ1 2022: $57.0BQ2 2022: $48.6BQ3 2022: $50.9BQ4 2022: $60.5BQ1 2023: $65.7BQ2 2023: $71.6BQ3 2023: $70.6BQ4 2023: $77.3BQ1 2024: $90.9BQ2 2024: $102.2BQ3 2024: $111.0BQ4 2024: $119.8BQ1 2025: $135.2BQ2 2025: $145.4BQ3 2025: $131.1BQ4 2025: $130.0BQ1 2026: $84.2BQ2 2026: $57.3B
Institutions holding BSX and their total value by quarter
QuarterHoldersValue
Q2 20261,487$57.3B
Q1 20261,683$84.2B
Q4 20251,793$130.0B
Q3 20251,714$131.1B
Q2 20251,693$145.4B
Q1 20251,648$135.2B
Q4 20241,519$119.8B
Q3 20241,402$111.0B
Q2 20241,324$102.2B
Q1 20241,226$90.9B
Q4 20231,151$77.3B
Q3 20231,060$70.6B
Q2 20231,069$71.6B
Q1 20231,000$65.7B
Q4 2022930$60.5B
Q3 2022866$50.9B
Q2 2022882$48.6B
Q1 2022909$57.0B
Q4 2021892$54.8B
Q3 2021884$56.6B
Q2 2021873$55.3B
Q1 2021836$49.9B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2025.

Institutions holding BSX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Ninety One SA (PTY) Ltd91,742$5.71M0.25%+83,631+1,031.1%Added
Hamilton Capital Partners Inc.91,895$5.77M0.19%+35,512+63.0%Added
Vident Advisory, LLC91,925$5.77M0.05%+32,245+54.0%Added
Empowered Funds, LLC91,958$5.77M0.04%+91,958New
Caisse des Depots Et Consignations93,325$5.86M0.10%+5,631+6.4%Added
Sanctuary Advisors, LLC93,395$5.86M0.03%−347−0.4%Reduced
Quantitative Investment Management, LLC93,718$5.88M0.61%+93,718New
Headland Capital, LLC94,257$5.91M1.67%+3,747+4.1%Added
Verition Fund Management LLC95,375$5.98M0.06%+47,438+99.0%Added
Mirova95,933$6.02M0.24%+77,657+424.9%Added
LGT Fund Management Co Ltd.95,955$6.02M0.26%+36,611+61.7%Added
Caitong International Asset Management Co., Ltd97,766$6.13M1.13%+93,752+2,335.6%Added
Crossmark Global Holdings, Inc.98,091$6.16M0.09%−935−0.9%Reduced
Liontrust Investment Partners LLP98,662$6.19M0.11%−21,858−18.1%Reduced
Saranac Partners Ltd95,541$6.20M2.68%+18,895+24.7%Added
Wealthfront Advisers LLC99,104$6.22M0.01%−27,180−21.5%Reduced
Leonteq Securities AG99,255$6.23M0.38%+80,333+424.5%Added
Axq Capital, LP100,056$6.28M0.81%+87,509+697.4%Added
Oppenheimer Asset Management Inc.101,714$6.38M0.07%−85,172−45.6%Reduced
Exane Asset Management89,197$6.45M1.32%+89,197New
Lone Pine Capital LLCSuperinvestorLone Pine Capital104,655$6.57M0.05%−97,048−48.1%Reduced
First Nebraska Trust Co105,091$6.59M0.61%−100−0.1%Reduced
Robeco Institutional Asset Management B.V.105,313$6.61M0.01%−2,887,564−96.5%Reduced
Braun Stacey Associates Inc105,341$6.61M0.22%−151,752−59.0%Reduced
Synergy Financial Management, LLC105,453$6.62M0.70%−142,657−57.5%Reduced
Envestnet Portfolio Solutions, Inc.105,573$6.62M0.04%+8,418+8.7%Added
Spirepoint Private Client, LLC105,697$6.63M0.63%+11,613+12.3%Added
Hennion & Walsh Asset Management, Inc.105,906$6.65M0.22%+2,317+2.2%Added
Investment Management Corp of Ontario106,023$6.65M0.09%−27,518−20.6%Reduced
M&T Bank Corp106,310$6.67M0.02%+3,197+3.1%Added
Tower Research Capital LLC (TRC)107,293$6.73M0.17%+39,582+58.5%Added
Flputnam Investment Management Co108,824$6.83M0.10%−226,404−67.5%Reduced
J. Safra Sarasin Holding AG109,029$6.84M0.12%−161,436−59.7%Reduced
Badgley Phelps Wealth Managers, LLC111,135$6.97M0.14%+1,423+1.3%Added
Northside Capital Management, LLC111,177$6.98M0.61%+111,177New
Gillespie Robinson & Grimm Inc111,381$6.99M0.51%−106,368−48.8%Reduced
First National Trust Co112,477$7.06M0.24%−3,693−3.2%Reduced
Agf Management Ltd112,483$7.06M0.03%−1,574,853−93.3%Reduced
Formuepleje A/S113,645$7.13M0.65%−222,807−66.2%Reduced
Rafferty Asset Management, LLC114,594$7.19M0.03%−45,012−28.2%Reduced
Gulf International Bank (UK) Ltd114,629$7.19M0.16%+40,100+53.8%Added
Teachers Retirement System of the State of Kentucky115,669$7.26M0.06%00.0%Unchanged
Strategic Wealth Designers116,606$7.32M0.93%+14,925+14.7%Added
Clark Capital Management Group, Inc.118,364$7.43M0.05%+40,633+52.3%Added
OpenArc Corporate Advisory, LLC119,786$7.52M0.11%−20,317−14.5%Reduced
NLB Skladi, upravljanje premozenja, d.o.o.119,867$7.52M0.36%−5,627−4.5%Reduced
Glenmede Trust Co NA121,568$7.63M0.04%+13,572+12.6%Added
Exencial Wealth Advisors, LLC123,124$7.73M0.24%+120,607+4,791.7%Added
Suvretta Capital Management, LLC123,941$7.78M0.21%−229,620−64.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.124,774$7.81M0.05%−10,376−7.7%Reduced
Twinbeech Capital LP124,593$7.82M0.81%−33,258−21.1%Reduced
First American Bank127,344$7.99M0.50%+5,527+4.5%Added
Lido Advisors, LLC129,133$8.10M0.03%−11,149−7.9%Reduced
Whittier Trust Co of Nevada Inc130,931$8.19M0.17%+128,391+5,054.8%Added
Moran Wealth Management, LLC132,336$8.30M0.25%−49,998−27.4%Reduced
Financial Perspectives, Inc134,570$8.44M2.36%−597−0.4%Reduced
First National Bank of Mount Dora, Trust Investment Services134,736$8.45M1.83%+134,736New
GDS Wealth Management135,991$8.53M0.51%+6,640+5.1%Added
Think Investments LP136,000$8.53M1.15%+136,000New
Capital International Inc136,850$8.59M0.07%−85,077−38.3%Reduced
Janney Montgomery Scott LLC139,555$8.76M0.02%−163,437−53.9%Reduced
Rokos Capital Management LLP140,163$8.79M0.16%+140,163New
Occudo Quantitative Strategies LP153,038$8.82M0.48%−24,028−13.6%Reduced
HealthInvest Partners AB40,432$8.84M2.86%−68,250−62.8%Reduced
M&G Plc143,246$9.02M0.05%+1,266+0.9%Added
Assetmark, Inc145,679$9.14M0.02%+39,270+36.9%Added
Vestmark Advisory Solutions, Inc.146,593$9.20M0.10%+84,748+137.0%Added
North Point Portfolio Managers Corp147,327$9.24M1.65%+43,893+42.4%Added
Capitolis Liquid Global Markets LLC147,333$9.25M0.06%+147,333New
State of Alaska, Department of Revenue147,493$9.26M0.10%00.0%Unchanged
Merit Financial Group, LLC147,762$9.27M0.07%+11,745+8.6%Added
Osmosis Investment Management UK Ltd148,676$9.33M0.25%+53,203+55.7%Added
Illinois Municipal Retirement Fund149,182$9.36M0.12%−49,866−25.1%Reduced
Mill Capital Management, LLC149,756$9.40M0.71%+42,453+39.6%Added
Ardsley Advisory Partners LP150,000$9.41M1.43%+150,000New
OP Asset Management Ltd150,097$9.42M0.10%−11,080−6.9%Reduced
Diamond Hill Capital Management Inc150,114$9.42M0.06%−100,100−40.0%Reduced
Macquarie Group Ltd151,291$9.49M0.06%−79,665−34.5%Reduced
Lombard Odier Asset Management (Europe) Ltd151,463$9.50M0.52%+8,184+5.7%Added
Sumitomo Life Insurance Co152,429$9.56M0.22%+16,057+11.8%Added
Capital International Ltd153,640$9.64M0.36%−85,225−35.7%Reduced
Allstate Corp153,970$9.66M0.10%+41,824+37.3%Added
Commonwealth Equity Services, LLC154,252$9.68M0.01%−58,055−27.3%Reduced
Gamco Investors, Inc. Et Al155,146$9.74M0.10%+43,507+39.0%Added
Pinnacle Financial Partners, Inc.156,289$9.81M0.08%+26,107+20.1%Added
Edentree Asset Management Ltd156,600$9.82M2.96%+95,100+154.6%Added
Mutual of America Capital Management LLC158,194$9.93M0.11%−1,398−0.9%Reduced
Levin Capital Strategies, L.P.158,940$9.97M0.76%+158,940New
Blackstone Group Inc.160,617$10.1M0.04%+138,416+623.5%Added
One Capital Management, LLC161,545$10.1M0.28%+30,164+23.0%Added
Warren Averett Asset Management, LLC162,989$10.2M0.08%+12,801+8.5%Added
QRG Capital Management, Inc.163,765$10.3M0.11%+1,372+0.8%Added
Hardman Johnston Global Advisors LLC166,024$10.4M0.49%−62,240−27.3%Reduced
Evelyn Partners Investment Management LLP168,771$10.6M0.29%+26,883+18.9%Added
S&CO Inc169,791$10.7M0.66%−1,090−0.6%Reduced
Oregon Public Employees Retirement Fund169,832$10.7M0.14%+100+0.1%Added
Andra AP-fonden169,928$10.7M0.13%+100,406+144.4%Added
Cadian Capital Management, LP170,000$10.7M1.30%+170,000New
Brevan Howard Capital Management LP171,568$10.8M0.11%−29,188−14.5%Reduced
iA Global Asset Management Inc.171,827$10.8M0.15%−34,356−16.7%Reduced