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 |
|---|---|---|---|---|---|---|
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 112K | $16.79 | Nov 7, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Nov 4, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $84.33 | Nov 4, 2024 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 112K | $16.79 | Oct 8, 2024 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 163K | $84.63 | Oct 8, 2024 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 117K | $21.07 | Oct 8, 2024 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 133K | $85.00 | Oct 8, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $83.86 | Oct 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Oct 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $81.70 | Sep 3, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Sep 3, 2024 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 14K | $80.00 | Aug 29, 2024 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $50K–$100K | 4K | $21.40 | Aug 26, 2024 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 14K | $79.25 | Aug 26, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $74.12 | Aug 1, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Aug 1, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $77.30 | Jul 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Jul 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $75.33 | Jun 3, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Jun 3, 2024 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $1M+ | 64K | $75.10 | May 30, 2024 |
| Mirviss Jeffrey B. | EVP&Pres | EXERCISE | $500K+ | 34K | $17.26 | May 30, 2024 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 14K | $75.34 | May 29, 2024 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $50K–$100K | 4K | $21.40 | May 29, 2024 |
| Brennan Daniel J. | EVP and CFO | SELL | $1M+ | 112K | $75.57 | May 23, 2024 |
| Brennan Daniel J. | EVP and CFO | EXERCISE | $1M+ | 64K | $21.33 | May 23, 2024 |
| Brown Vance R | SVP | EXERCISE | $500K+ | 33K | $25.70 | May 23, 2024 |
| Brown Vance R | SVP | SELL | $1M+ | 33K | $75.79 | May 23, 2024 |
| Sorenson John Bradley | EVP | EXERCISE | $100K–$500K | 18K | $17.26 | May 2, 2024 |
| Sorenson John Bradley | EVP | SELL | $1M+ | 18K | $71.50 | May 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | May 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 7K | $71.47 | May 2, 2024 |
| LUDWIG EDWARD J | Director | SELL | $500K+ | 10K | $73.29 | Apr 29, 2024 |
| LUDWIG EDWARD J | Director | EXERCISE | $100K–$500K | 10K | $17.37 | Apr 29, 2024 |
| Sorenson John Bradley | EVP | SELL | $1M+ | 16K | $69.30 | Apr 2, 2024 |
| Sorenson John Bradley | EVP | EXERCISE | $100K–$500K | 16K | $16.31 | Apr 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Apr 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 7K | $68.42 | Apr 2, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Mar 4, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 7K | $66.35 | Mar 4, 2024 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $50K–$100K | 4K | $21.40 | Feb 27, 2024 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $500K+ | 9K | $67.07 | Feb 27, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Feb 26, 2024 |
| Carruthers Wendy | EVP, Human Resources | SELL | $100K–$500K | 7K | $66.89 | Feb 26, 2024 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $100K–$500K | 5K | $66.35 | Feb 22, 2024 |
| Brennan Daniel J. | EVP and CFO | SELL | $500K+ | 14K | $65.86 | Feb 21, 2024 |
| Brennan Daniel J. | EVP and CFO | EXERCISE | $100K–$500K | 26K | $6.82 | Feb 21, 2024 |
| LUDWIG EDWARD J | Director | EXERCISE | $100K–$500K | 7K | $17.37 | Feb 14, 2024 |
| LUDWIG EDWARD J | Director | SELL | $100K–$500K | 7K | $65.03 | Feb 14, 2024 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $500K+ | 12K | $60.00 | Jan 16, 2024 |
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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