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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.

Q1 2026 vs. Q4 2025

How the institutions holding Boston Scientific Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of BSX: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders1,793281,683−82
Shares1.36B165.9M1.34B+142.6M (+11.9%)
Value$130.0B$15.8B$84.2B−$30.0B (−26.2%)

28 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (196)

Institutions that held Boston Scientific Corp at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 196 by value.

Institutions new to BSX in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC96,411,568$6.05B0.15%
Vanguard Portfolio Management LLC29,796,211$1.87B0.10%
Vanguard Fiduciary Trust Co8,382,185$526.0M0.13%
Vanguard Global Advisers, LLC3,244,238$203.6M0.11%
Vanguard Asset Management, Ltd2,567,095$161.1M0.14%
SEB Asset Management AB2,076,524$130.3M0.56%
CIBC Bancorp USA Inc.1,941,425$121.9M0.16%
Veritas Investment Partners (UK) Ltd.1,558,014$97.7M2.50%
Menora Mivtachim Holdings Ltd.1,333,500$83.7M0.40%
Longaeva Partners L.P.957,306$60.1M2.89%
Vestal Point Capital, LP800,000$50.2M1.40%
Vanguard Investments Australia, Ltd.737,743$46.3M0.13%
Quadrature Capital Ltd670,091$42.0M0.50%
MKP Capital Management, L.L.C.549,000$34.4M1.13%
Migdal Insurance & Financial Holdings Ltd.500,000$31.4M0.27%
DKRT Investments Corp.435,000$27.3M6.92%
Border to Coast Pensions Partnership Ltd386,715$24.3M0.41%
Braidwell LP346,467$21.7M0.73%
BlueSpruce Investments, LP306,134$19.2M3.04%
Eagle Health Investments LP293,152$18.4M3.86%
Zurich Insurance Group Ltd272,168$17.1M0.13%
Aureus Asset Management, LLC255,363$16.0M1.07%
Lazard Freres Gestion S.A.S.217,486$13.6M0.27%
C WorldWide Group Holding A/S180,000$11.3M0.24%
Klingenstein Fields & Co LP175,672$11.0M0.43%
Cadian Capital Management, LP170,000$10.7M1.30%
Levin Capital Strategies, L.P.158,940$9.97M0.76%
Ardsley Advisory Partners LP150,000$9.41M1.43%
Capitolis Liquid Global Markets LLC147,333$9.25M0.06%
Rokos Capital Management LLP140,163$8.79M0.16%
Think Investments LP136,000$8.53M1.15%
First National Bank of Mount Dora, Trust Investment Services134,736$8.45M1.83%
Northside Capital Management, LLC111,177$6.98M0.61%
Exane Asset Management89,197$6.45M1.32%
Quantitative Investment Management, LLC93,718$5.88M0.61%
Empowered Funds, LLC91,958$5.77M0.04%
Foresight Group Ltd Liability Partnership89,343$5.61M0.99%
O'Brien Greene & Co. Inc83,406$5.23M1.48%
Stoneridge Investment Partners LLC82,824$5.20M3.76%
Osborne Partners Capital Management, LLC82,511$5.18M0.27%
Spartan Wealth Advisory Services LLC65,057$4.08M0.36%
Davidson Kempner Capital Management LP63,250$3.97M0.07%
Nicolet Bankshares Inc63,057$3.95M0.15%
Dnca Finance61,000$3.83M0.22%
CSM Advisors, LLC59,638$3.74M0.09%
TIAA Wealth Investment Management LLC59,575$3.74M0.03%
Exome Asset Management LLC48,347$3.03M1.79%
Scholtz & Company, LLC47,957$3.01M1.54%
Mengis Capital Management, Inc.47,066$2.95M0.51%
Brighton Jones LLC46,988$2.95M0.07%
Encore Global Management, LP46,500$2.92M2.04%
J. Goldman & Co LP44,485$2.79M0.13%
Landscape Capital Management, L.L.C.43,644$2.74M0.17%
Emerald Investment Advisers, LLC42,480$2.67M0.24%
Unifi Asset Management LP41,123$2.58M1.48%
Bancreek Capital Management, LP39,000$2.45M10.59%
Farringdon Capital, Ltd.38,104$2.39M0.52%
Phraction Management LLC36,608$2.30M0.60%
TIG Advisors, LLC36,602$2.30M0.11%
Centiva Capital, LP36,251$2.27M0.11%
Linden Thomas Advisory Services, LLC34,930$2.19M0.21%
Tiaa-Cref Individual & Institutional Services, LLC31,923$2.00M0.01%
Capricorn Fund Managers Ltd28,100$1.76M0.27%
Delta Global Management LP28,012$1.76M0.14%
Two Sigma Securities, LLC27,181$1.71M0.20%
Eleva Capital SAS26,667$1.67M0.49%
Texas Yale Capital Corp.24,049$1.51M0.04%
Middleton & Co Inc23,757$1.49M0.17%
Bayesian Capital Management, LP23,600$1.48M1.81%
Aspire Private Capital, LLC20,806$1.31M0.29%
Cinctive Capital Management LP20,462$1.28M0.08%
Hancock Whitney Corp20,527$1.28M0.02%
Strengthening Families & Communities, LLC20,159$1.26M0.32%
Empirical Asset Management, LLC19,483$1.22M0.32%
Oversea-Chinese Banking CORP Ltd19,322$1.21M0.04%
Dynamic Technology Lab Private Ltd19,112$1.20M0.20%
DoubleLine ETF Adviser LP18,977$1.19M0.45%
First National Bank of Omaha18,625$1.17M0.04%
Jain Global LLC17,567$1.10M0.01%
Kepler Cheuvreux (Suisse) SA17,109$1.07M0.07%
Park Edge Advisors, LLC16,958$1.06M0.25%
Oak Thistle LLC16,916$1.06M0.10%
Paragon Capital Management Inc16,173$1.01M0.86%
Pictet Bank & Trust Ltd15,054$944.6K1.24%
Capital Asset Advisory Services LLC15,438$941.6K0.04%
Grantham, Mayo, Van Otterloo & Co. LLC15,000$941.3K0.00%
Fieldview Capital Management, LLC14,815$929.6K0.27%
American Assets Inc5,000$915.3K0.31%
GFS Advisors, LLC5,500$902.7K0.06%
Neo Ivy Capital Management14,236$893.3K0.24%
Optiver Holding B.V.13,575$851.8K0.03%
Weiss Asset Management LP13,080$820.8K0.02%
Strategic Investment Advisors13,808$811.5K0.06%
Equitable Trust Co12,912$810.2K0.04%
Karani Asset Management LLC12,146$762.2K0.67%
Sendero Wealth Management, LLC11,305$709.4K0.08%
Waddell & Associates, LLC11,216$703.8K0.04%
Equitec Proprietary Markets, LLC11,100$696.5K1.61%
Lineweaver Wealth Advisors, LLC10,194$639.7K0.09%
Clare Market Investments LLC10,050$630.6K0.13%

Sold out (278)

Institutions that held Boston Scientific Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Showing the largest 100 of 278 by value.

Institutions that sold out of BSX in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Two Sigma Advisers, LP6,298,460$600.6M
Egerton Capital (UK) LLP5,385,084$513.5M
SurgoCap Partners LP2,559,210$244.0M
Viking Global Investors LPSuperinvestorViking Global Investors2,509,808$239.3M
Axiom Investors LLC1,641,563$156.5M
Freestone Grove Partners LP1,327,239$126.6M
Munro Partners1,256,810$119.8M
Perceptive Advisors LLC979,000$93.3M
Meridiem Capital Partners LP608,758$58.0M
Tri Locum Partners LP520,508$49.6M
Samlyn Capital, LLC299,118$28.5M
Railway Pension Investments Ltd259,900$24.8M
Alyeska Investment Group, L.P.237,862$22.7M
Ontario Teachers Pension Plan Board224,925$21.4M
Simplex Trading, LLC141,877$13.5M
Cookson Peirce & Co Inc141,817$13.5M
Zweig-DiMenna Associates LLC135,600$12.9M
Taproot Management LP118,806$11.3M
Armistice Capital, LLC114,025$10.9M
Welch & Forbes LLC111,739$10.7M
FACT Capital, LP95,907$9.14M
Jag Capital Management, LLC78,955$7.53M
NWK Group, Inc.72,958$6.96M
Miura Global Management, LLC55,000$5.24M
Soros Capital Management LLC54,923$5.24M
Stevens Capital Management LP53,761$5.13M
Strategic Planning Group, LLC53,388$5.09M
Longbow Finance SA47,266$4.51M
Bamco Inc47,000$4.48M
Nilsine Partners, LLC44,184$4.21M
Covenant Asset Management, LLC39,941$3.81M
Richard Bernstein Advisors LLC38,555$3.68M
HWG Holdings LP34,934$3.33M
Advent Capital Management30,000$2.86M
Axxcess Wealth Management, LLC28,347$2.70M
Parr McKnight Wealth Management Group, LLC26,371$2.51M
Graham Capital Management, L.P.25,561$2.44M
Deerfield Management Company, L.P. (Series C)24,941$2.38M
Westview Management dba Westview Investment Advisors24,780$2.36M
CenterBook Partners LP24,725$2.36M
TriaGen Wealth Management LLC23,619$2.25M
Rock Point Advisors, LLC23,163$2.21M
Consolidated Planning Corp22,851$2.18M
Quest Partners LLC19,454$1.85M
Virtus Investment Advisers, Inc.18,891$1.80M
Lecap Asset Management Ltd18,408$1.76M
SHUTTLEWORTH & Co18,130$1.73M
Portside Wealth Group, LLC18,110$1.73M
Altfest L J & Co Inc17,376$1.66M
IFG Advisory, LLC16,966$1.62M
Highview Capital Management LLC16,836$1.61M
Banco BTG Pactual S.A.15,300$1.46M
Helios Capital Management Pte. Ltd15,000$1.43M
Forum Financial Management, LP14,665$1.40M
Martingale Asset Management L P14,574$1.39M
WCG Wealth Advisors LLC14,402$1.37M
Hobart Private Capital, LLC13,356$1.27M
Aster Capital Management (DIFC) Ltd12,760$1.22M
Wellspring Financial Advisors, LLC12,073$1.15M
Consilium Wealth Advisory, LLC11,620$1.11M
Alliance Wealth Advisors, LLC10,887$1.04M
Thoroughbred Financial Services, LLC10,694$1.02M
Cooper Financial Group10,566$1.01M
Ashton Thomas Securities, LLC10,441$995.5K
Next Century Growth Investors LLC10,198$972.4K
Runnymede Capital Advisors, Inc.9,719$926.7K
Waterway Wealth Management, LLC9,644$919.6K
Leavell Investment Management, Inc.8,903$848.9K
Diversify Advisory Services, LLC9,544$840.5K
Persistent Asset Partners Ltd8,748$834.1K
Sig Brokerage, LP8,035$766.1K
PDT Partners, LLC7,864$749.8K
J.W. Cole Advisors, Inc.8,768$747.1K
Inceptionr LLC7,659$730.3K
Legacy Capital Group California, Inc.7,583$723.0K
Secure Asset Management, LLC7,298$695.9K
State of Wyoming7,260$692.2K
Absolute Capital Management, LLC7,028$670.1K
Roundview Capital LLC7,003$667.7K
Sage Mountain Advisors LLC6,999$667.4K
QP Wealth Management, LLC6,877$655.7K
Kane Investment Management, Inc.6,585$627.9K
Clarkston Capital Partners, LLC6,500$619.8K
BCS Wealth Management6,498$619.6K
Brookwood Investment Group LLC6,452$615.2K
Contravisory Investment Management, Inc.6,268$597.7K
PharVision Advisers, LLC6,244$595.4K
Asahi Life Asset Management Co., Ltd.6,226$593.6K
Wealthstar Advisors, LLC6,134$584.9K
Three Seasons Wealth, LLC6,069$578.7K
Diametric Capital, LP6,015$573.5K
Atlanta Consulting Group Advisors, LLC5,785$551.6K
Nations Financial Group Inc,5,543$528.5K
Orleans Capital Management Corp5,346$509.7K
MQS Management LLC5,281$503.5K
Integrity Alliance, LLC.5,258$501.4K
Custom Index Systems, LLC5,175$493.4K
Rothschild Capital Partners, LLC5,066$483.0K
Intellectus Partners, LLC5,065$482.9K
Affinity Wealth LLC5,054$481.9K

Not filed for Q1 2026 yet (28)

Institutions that held Boston Scientific Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BSX in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc139,685,997$13.3B
Norges Bank23,066,546$2.20B
CIBC Private Wealth Group, LLC1,096,053$104.5M
CIBC World Markets Corp506,195$48.3M
Iron Triangle Partners LP420,773$40.1M
Forsta Ap-Fonden375,200$35.8M
Capitolis Liquid Global Markets LLC317,304$30.3M
Comerica Bank264,518$25.2M
Global Retirement Partners, LLC62,528$5.96M
Long Run Wealth Advisors, LLC40,224$3.84M
Passumpsic Savings Bank32,941$3.14M
MidWestOne Financial Group, Inc.20,718$1.98M
MGB Wealth Management, LLC10,046$959.9K
Skyview Financial Group LLC9,927$946.6K
Clarius Group, LLC7,987$761.6K
Canandaigua National Bank & Trust Co4,861$463.5K
Trust Co of Vermont4,247$405.0K
David Loasby3,932$376.4K
Heritage Financial Services, LLC3,031$289.0K
Sherbrooke Park Advisers LLC2,549$243.0K
FineMark National Bank & Trust2,299$219.2K
DV Equities, LLC2,065$196.9K
Redmont Wealth Advisors LLC878$83.7K
ORG Partners LLC451$43.0K
Ransom Advisory, Ltd430$41.0K
Motiv8 Investments LLC223$21.0K
Stephens Consulting, LLC127$12.1K
Pandora Wealth, Inc.35$3.34K