Institutional shares held 1.22 Billion
9.67M calls
6.98M puts
Total value of holdings $126B
$998M calls
$720M puts
Market Cap $148B
1,431,609,984 Shares Out.
Institutional ownership 84.98%
# of Institutions 1,859


Latest Institutional Activity in BSX

Top Purchases

Q2 2025
Swedbank Ab Shares Held: 2.82M ($291M)
Q2 2025
Ninety One Uk LTD Shares Held: 5.15M ($531M)
Q2 2025
Amf Tjanstepension Ab Shares Held: 888K ($91.6M)
Q2 2025
Robeco Institutional Asset Management B.V. Shares Held: 3.15M ($325M)
Q2 2025
Assenagon Asset Management S.A. Shares Held: 2.67M ($276M)

Top Sells

Q2 2025
Mc Elhenny Sheffield Capital Management, LLC Shares Held: 4.74K ($489K)
Q2 2025
Uni Super Management Pty LTD Shares Held: 910K ($93.9M)
Q2 2025
Hardman Johnston Global Advisors LLC Shares Held: 234K ($24.1M)
Q2 2025
Zwj Investment Counsel Inc Shares Held: 566K ($58.4M)
Q2 2025
Accurate Wealth Management, LLC Shares Held: 2.9K ($299K)

About BSX

Boston Scientific Corporation develops, manufactures, and markets medical devices for use in various interventional medical specialties worldwide. It operates through three segments: MedSurg, Rhythm and Neuro, and Cardiovascular. The company offers devices to diagnose and treat gastrointestinal and pulmonary conditions; devices to treat various urological and pelvic conditions; implantable cardioverter and implantable cardiac resynchronization therapy defibrillators; pacemakers and implantable cardiac resynchronization therapy pacemakers; and remote patient management systems. It also provides medical technologies to diagnose and treat rate and rhythm disorders of the heart comprising 3-D cardiac mapping and navigation solutions, ablation catheters, diagnostic catheters, mapping catheters, intracardiac ultrasound catheters, delivery sheaths, and other accessories; spinal cord stimulator systems for the management of chronic pain; indirect decompression systems; and deep brain stimulation systems. In addition, the company offers interventional cardiology products, including drug-eluting coronary stent systems used in the treatment of coronary artery disease; percutaneous coronary interventions products to treat atherosclerosis; intravascular catheter-directed ultrasound imaging catheters, fractional flow reserve devices, and systems for use in coronary arteries and heart chambers, as well as various peripheral vessels; and structural heart therapies. Further, it provides stents, balloon catheters, wires, and atherectomy systems to treat arterial diseases; thrombectomy and acoustic pulse thrombolysis systems, wires, and stents to treat venous diseases; and peripheral embolization devices, radioactive microspheres, ablation systems, cryotherapy ablation systems, and micro and drainage catheters to treat cancer. The company was incorporated in 1979 and is headquartered in Marlborough, Massachusetts.


Insider Transactions at BSX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
1.82M Shares
From 29 Insiders
Grant, award, or other acquisition 285K shares
Exercise of conversion of derivative security 1.31M shares
Bona fide gift 210K shares
Discretionary transaction 10.8K shares
Open market or private purchase 50 shares
Sell / Disposition
2.06M Shares
From 24 Insiders
Bona fide gift 207K shares
Open market or private sale 1.61M shares
Payment of exercise price or tax liability 244K shares

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