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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; 1,485 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.

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: 1,227 institutionsQ2 2024: 1,325 institutionsQ3 2024: 1,403 institutionsQ4 2024: 1,520 institutionsQ1 2025: 1,649 institutionsQ2 2025: 1,694 institutionsQ3 2025: 1,715 institutionsQ4 2025: 1,794 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,485 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 20261,485$57.3B
Q1 20261,683$84.2B
Q4 20251,794$130.0B
Q3 20251,715$131.1B
Q2 20251,694$145.4B
Q1 20251,649$135.2B
Q4 20241,520$119.8B
Q3 20241,403$111.0B
Q2 20241,325$102.2B
Q1 20241,227$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
Wealth Enhancement Advisory Services, LLC179,724$00.00%+44,239+32.7%Added
Pin Oak Investment Advisors Inc4$00.00%−416−99.0%Reduced
HFM Investment Advisors, LLC2$1260.00%−15−88.2%Reduced
Napier Financial, LLC2$1260.00%+2New
3 Factor Indexing, LLC2$1260.00%+2New
ROSS\JOHNSON & Associates LLC3$1880.00%−2−40.0%Reduced
Legacy Wealth Managment, LLC3$1890.00%00.0%Unchanged
Stone House Investment Management, LLC4$2510.00%00.0%Unchanged
Investors Portfolio Services LLC7$3750.00%+7New
West Branch Capital LLC6$3770.00%00.0%Unchanged
Seneschal Advisors, LLC7$4400.00%−2−22.2%Reduced
Vermillion Wealth Management, Inc.9$5650.00%+9New
Cedar Mountain Advisors, LLC13$8160.00%00.0%Unchanged
New England Capital Financial Advisors LLC13$8320.00%+1+8.3%Added
Arcadia Investment Management Corp14$8790.00%−856−98.4%Reduced
MBM Wealth Consultants, LLC14$8790.00%+14New
Imprint Wealth LLC15$9410.00%−91−85.8%Reduced
Harvest Fund Management Co., Ltd8$1.00K0.00%−8,961−99.9%Reduced
TopTier Wealth Management, LLC17$1.07K0.00%+17New
Medallion Wealth Advisors, LLC18$1.13K0.00%−24−57.1%Reduced
Elevated Capital Advisors, LLC19$1.19K0.00%00.0%Unchanged
Atwood & Palmer Inc19$1.19K0.00%00.0%Unchanged
Lloyd Advisory Services, LLC.20$1.25K0.00%−180−90.0%Reduced
Sofos Investments, Inc.20$1.25K0.00%00.0%Unchanged
RWM Asset Management, LLC20$1.25K0.00%+20New
Kingdom Financial Group LLC.20$1.25K0.00%+20New
Davis Capital Management23$1.44K0.00%+15+187.5%Added
Key Capital Management, INC23$1.44K0.00%+23New
Breakwater Investment Management24$1.51K0.00%00.0%Unchanged
JDM Financial Group LLC26$1.63K0.00%00.0%Unchanged
Sunrise Financial Services, LLC27$1.69K0.00%+18+200.0%Added
GHP Investment Advisors, Inc.27$1.70K0.00%+27New
Quaker Wealth Management, LLC28$1.76K0.00%−47−62.7%Reduced
Monetary Solutions, Ltd29$1.82K0.00%00.0%Unchanged
Three Bearings Fiduciary Advisors, Inc.30$1.88K0.00%00.0%Unchanged
Steigerwald, Gordon & Koch Inc.31$1.95K0.00%−199−86.5%Reduced
Country Trust Bank31$1.95K0.00%00.0%Unchanged
Signature Resources Capital Management, LLC31$1.95K0.00%+31New
Strategic Wealth Advisors LLC39$2.00K0.00%00.0%Unchanged
1620 Investment Advisors, Inc.32$2.04K0.00%00.0%Unchanged
PayPay Securities Corp33$2.09K0.07%−11−25.0%Reduced
Tradewinds Capital Management, LLC34$2.13K0.00%00.0%Unchanged
Mascoma Wealth Management LLC36$2.26K0.00%+18+100.0%Added
Financial Life Planners36$2.26K0.00%+36New
Wealth Science Advisors LLC24$2.29K0.00%+24New
Hara Capital LLC37$2.32K0.00%00.0%Unchanged
WestEnd Advisors, LLC38$2.38K0.00%00.0%Unchanged
POM Investment Strategies, LLC39$2.45K0.00%−204−84.0%Reduced
Dogwood Wealth Management LLC39$2.45K0.00%−4−9.3%Reduced
Caitlin John, LLC40$2.51K0.00%+11+37.9%Added
Corsicana & Co.25$2.52K0.00%00.0%Unchanged
Barrett & Company, Inc.42$2.64K0.00%00.0%Unchanged
S&T Bank42$2.64K0.00%+1+2.4%Added
LGT Financial Advisors LLC45$2.82K0.01%−71−61.2%Reduced
Southern Michigan Bank & Trust45$2.82K0.00%+45New
Portus Wealth Advisors, LLC45$2.82K0.00%+45New
IAG Wealth Partners, LLC50$3.14K0.00%00.0%Unchanged
City State Bank50$3.14K0.00%00.0%Unchanged
Pacific Center for Financial Services51$3.20K0.00%00.0%Unchanged
Westend Capital Management, LLC53$3.33K0.00%−2−3.6%Reduced
MPWM Advisory Solutions, LLC54$3.39K0.00%00.0%Unchanged
Benson Wealth Management INC54$3.39K0.00%00.0%Unchanged
Basepoint Wealth LLC55$3.45K0.00%+12+27.9%Added
American Capital Advisory, LLC55$3.45K0.00%+29+111.5%Added
Atomic Invest LLC56$3.52K0.00%−19−25.3%Reduced
Trust Co57$3.58K0.00%00.0%Unchanged
Smallwood Wealth Investment Management, LLC58$3.64K0.00%00.0%Unchanged
Redwood Park Advisors LLC58$3.64K0.00%−3−4.9%Reduced
Tidemark, LLC58$3.64K0.00%00.0%Unchanged
Cherry Tree Wealth Management, LLC63$3.95K0.00%00.0%Unchanged
MJT & Associates Financial Advisory Group, Inc.63$3.95K0.00%00.0%Unchanged
Marquette Asset Management, LLC64$4.02K0.00%+64New
DecisionPoint Financial, LLC66$4.14K0.00%00.0%Unchanged
NorthAvenue LLC67$4.21K0.00%00.0%Unchanged
LM Advisors LLC272$4.34K0.09%+6+2.3%Added
YANKCOM Partnership71$4.46K0.00%−29−29.0%Reduced
Clark Wealth Partners73$4.58K0.00%−12−14.1%Reduced
E Fund Management (Hong Kong) Co., Ltd.75$4.71K0.00%00.0%Unchanged
McIlrath & Eck, LLC77$4.83K0.00%00.0%Unchanged
Burk Holdings LLC77$4.83K0.00%+77New
Caldwell Sutter Capital, Inc.80$5.02K0.00%00.0%Unchanged
Piscataqua Savings Bank80$5.02K0.00%00.0%Unchanged
McGuire Capital Advisors Inc80$5.02K0.00%+5+6.7%Added
Byrne Asset Management LLC82$5.15K0.00%+72+720.0%Added
Cranbrook Wealth Management, LLC94$5.90K0.00%00.0%Unchanged
Winch Advisory Services, LLC95$5.96K0.00%00.0%Unchanged
Intentional Wealth Strategies, LLC95$5.96K0.01%+95New
DAGCO, Inc.99$6.21K0.00%00.0%Unchanged
Rialto Wealth Management, LLC99$6.21K0.00%+75+312.5%Added
Lavaca Capital LLC100$6.28K0.00%00.0%Unchanged
Pflug Koory, LLC100$6.28K0.00%00.0%Unchanged
Richardson Capital Management LLC102$6.40K0.00%+75+277.8%Added
Triumph Capital Management103$6.46K0.00%+54+110.2%Added
Olistico Wealth, LLC104$6.53K0.00%00.0%Unchanged
Pittenger & Anderson Inc107$6.71K0.00%+107New
First Pacific Financial108$6.78K0.00%+108New
Aspect Partners, LLC109$6.84K0.00%+2+1.9%Added
Atlas Capital Advisors LLC110$6.90K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.110$6.90K0.00%00.0%Unchanged
Penserra Capital Management LLC123$7.00K0.00%−3−2.4%Reduced