BSX
BOSTON SCIENTIFIC CORP
Surgical & Medical Instruments & ApparatusNYSELarge accelerated filer
Total Trades
209
Buys
0
Sells
132
Largest Trade
N/A
Insiders
20
Institutional Funds
1,580
Inst. Value
$1M+
Activist Filings
7
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Mirviss Jeffrey B. | EVP&Pres | EXERCISE | N/A | 3K | — | Feb 22, 2023 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $100K–$500K | 3K | $46.53 | Feb 21, 2023 |
| Mirviss Jeffrey B. | EVP&Pres | EXERCISE | N/A | 9K | — | Feb 21, 2023 |
| Brennan Daniel J. | EVP and CFO | EXERCISE | $50K–$100K | 12K | $4.77 | Feb 17, 2023 |
| Brennan Daniel J. | EVP and CFO | SELL | $100K–$500K | 8K | $47.14 | Feb 17, 2023 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 27K | $48.74 | Feb 6, 2023 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $100K–$500K | 15K | $16.58 | Feb 6, 2023 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $100K–$500K | 7K | $46.38 | Jan 4, 2023 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $46.62 | Dec 15, 2022 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 79K | $47.78 | Dec 14, 2022 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $500K+ | 79K | $7.39 | Dec 14, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $500K+ | 11K | $46.75 | Dec 13, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | EXERCISE | $100K–$500K | 30K | $13.08 | Dec 12, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $1M+ | 41K | $46.15 | Dec 12, 2022 |
| Connors Nelda J | Director | SELL | $500K+ | 18K | $44.47 | Nov 30, 2022 |
| Thepaut Eric Francis Yves | EVP & Pres | SELL | $500K+ | 15K | $42.72 | Nov 21, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $50K–$100K | 2K | $42.60 | Nov 15, 2022 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 126K | $41.97 | Nov 8, 2022 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 126K | $9.35 | Nov 8, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 13K | $40.52 | Oct 18, 2022 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 126K | $39.34 | Oct 4, 2022 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 126K | $9.35 | Oct 4, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $42.21 | Sep 16, 2022 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 126K | $40.49 | Sep 7, 2022 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 126K | $9.35 | Sep 7, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $42.03 | Aug 15, 2022 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 126K | $40.97 | Aug 9, 2022 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 126K | $9.35 | Aug 9, 2022 |
| Connors Nelda J | Director | SELL | $500K+ | 16K | $41.58 | Aug 4, 2022 |
| Thepaut Eric Francis Yves | EVP & Pres | SELL | $500K+ | 21K | $40.99 | Aug 3, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $38.00 | Jul 18, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $38.00 | Jun 27, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $39.43 | May 17, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $100K–$500K | 10K | $46.50 | Apr 21, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $100K–$500K | 11K | $45.50 | Apr 20, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $44.47 | Apr 14, 2022 |
| Eddy Jodi Euerle | SVP | SELL | $100K–$500K | 3K | $45.00 | Apr 4, 2022 |
| Olson Scott | SVP & Pres | SELL | $15K–$50K | 700 | $44.55 | Apr 1, 2022 |
| Butcher Arthur C | EVP&Pres | SELL | $100K–$500K | 10K | $45.00 | Mar 31, 2022 |
| Butcher Arthur C | EVP&Pres | EXERCISE | $50K–$100K | 5K | $16.31 | Mar 31, 2022 |
| Meredith Ian T | EVP Global Chief M… | SELL | $100K–$500K | 7K | $43.68 | Mar 29, 2022 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $500K+ | 11K | $44.50 | Mar 23, 2022 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 8K | $42.34 | Mar 16, 2022 |
| Brennan Daniel J. | EVP and CFO | SELL | $100K–$500K | 11K | $44.03 | Mar 3, 2022 |
| Pierce David A | EVP Pres MedSurg | EXERCISE | N/A | 2K | — | Mar 2, 2022 |
| Pierce David A | EVP Pres MedSurg | SELL | $50K–$100K | 2K | $43.94 | Mar 2, 2022 |
| Pierce David A | EVP Pres MedSurg | SELL | $100K–$500K | 4K | $42.90 | Feb 24, 2022 |
| Brennan Daniel J. | EVP and CFO | SELL | $1M+ | 53K | $42.75 | Feb 24, 2022 |
| Brennan Daniel J. | EVP and CFO | EXERCISE | $500K+ | 53K | $14.51 | Feb 24, 2022 |
| Pierce David A | EVP Pres MedSurg | EXERCISE | N/A | 6K | — | Feb 22, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 1,580 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| STATE STREET CORP | 65.8M | $1M+ | SH |
| PRIMECAP MANAGEMENT CO/CA/ | 31.1M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 27.9M | $1M+ | SH |
| Capital World Investors | 27.2M | $1M+ | SH |
| NORGES BANK | 23.1M | $1M+ | SH |
| Bollard Group LLC | 19.0M | $1M+ | SH |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 11.0M | $1M+ | SH |
| Fisher Asset Management, LLC | 9.1M | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 8.9M | $1M+ | SH |
| PARNASSUS INVESTMENTS, LLC | 7.9M | $1M+ | SH |
| EDGEWOOD MANAGEMENT LLC | 7.8M | $1M+ | SH |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 7.1M | $1M+ | SH |
| Capital Research Global Investors | 7.1M | $1M+ | SH |
| MORGAN STANLEY | 6.1M | $1M+ | SH |
| Ninety One UK Ltd | 5.4M | $1M+ | SH |
| Egerton Capital (UK) LLP | 5.4M | $1M+ | SH |
| JENNISON ASSOCIATES LLC | 5.3M | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 4.9M | $1M+ | SH |
| BlackRock, Inc. | 4.7M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 4.6M | $1M+ | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
SC 13G/A · Aug 6, 2025
7.5%
110.3M shares
SC 13G/A · Apr 17, 2025
7.6%
113.0M shares
SC 13G/A · Apr 7, 2025
9.6%
141.1M shares
The Vanguard Group - 23-1945930
SC 13G/A · Feb 13, 2024
8.6%
125.4M shares
SC 13G/A · Jan 25, 2024
8.7%
127.0M shares
SC 13G/A · Feb 14, 2023
9.6%
137.8M shares
SC 13G/A · Jan 24, 2023
9.8%
140.1M shares