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 | SELL | $1M+ | 161K | $93.49 | Feb 3, 2026 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 96K | $25.78 | Feb 3, 2026 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $100K–$500K | 17K | $24.81 | Dec 2, 2025 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 17K | $101.55 | Dec 2, 2025 |
| Zane Ellen M | Director | SELL | $1M+ | 13K | $98.28 | Nov 6, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 50K | $26.15 | Nov 4, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 50K | $99.47 | Nov 4, 2025 |
| Zane Ellen M | Director | SELL | $1M+ | 13K | $101.38 | Oct 28, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 50K | $98.47 | Oct 1, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 50K | $26.15 | Oct 1, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 50K | $105.43 | Sep 3, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 50K | $26.15 | Sep 3, 2025 |
| FUJIMORI YOSHIAKI | Director | SELL | $100K–$500K | 3K | $106.99 | Jul 30, 2025 |
| LUDWIG EDWARD J | Director | SELL | $100K–$500K | 4K | $106.03 | Jul 28, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 50K | $106.97 | Jul 2, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 50K | $26.15 | Jul 2, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | EXERCISE | $1M+ | 56K | $26.15 | Jun 4, 2025 |
| Fitzgerald Joseph Michael | EVP & Group Pres | SELL | $1M+ | 56K | $102.88 | Jun 4, 2025 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 164K | $103.69 | Jun 3, 2025 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 106K | $20.67 | Jun 3, 2025 |
| LUDWIG EDWARD J | Director | SELL | $100K–$500K | 4K | $104.59 | May 30, 2025 |
| Brown Vance R | SVP | SELL | $500K+ | 5K | $106.42 | May 22, 2025 |
| Sorenson John Bradley | EVP | SELL | $100K–$500K | 5K | $104.54 | May 6, 2025 |
| Sorenson John Bradley | EVP | EXERCISE | N/A | 4K | — | May 6, 2025 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 106K | $20.67 | May 5, 2025 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 164K | $102.48 | May 5, 2025 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $100K–$500K | 17K | $24.81 | May 5, 2025 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 17K | $102.06 | May 5, 2025 |
| Brown Vance R | SVP | SELL | $100K–$500K | 5K | $95.09 | Apr 22, 2025 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 106K | $20.67 | Apr 2, 2025 |
| Mahoney Michael F | Chairman | SELL | $1M+ | 164K | $100.01 | Apr 2, 2025 |
| Brown Vance R | SVP | SELL | $100K–$500K | 5K | $100.85 | Mar 24, 2025 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $500K+ | 7K | $104.16 | Feb 25, 2025 |
| Zane Ellen M | Director | SELL | $1M+ | 14K | $104.23 | Feb 24, 2025 |
| Brown Vance R | SVP | SELL | $500K+ | 5K | $104.64 | Feb 21, 2025 |
| Sorenson John Bradley | EVP | EXERCISE | N/A | 4K | — | Jan 3, 2025 |
| Sorenson John Bradley | EVP | SELL | $500K+ | 6K | $89.96 | Jan 3, 2025 |
| Mirviss Jeffrey B. | EVP&Pres | EXERCISE | N/A | 10K | — | Jan 3, 2025 |
| Mirviss Jeffrey B. | EVP&Pres | SELL | $500K+ | 7K | $89.86 | Jan 3, 2025 |
| Brennan Daniel J. | EVP and CFO | SELL | $500K+ | 10K | $89.86 | Jan 3, 2025 |
| Brennan Daniel J. | EVP and CFO | EXERCISE | N/A | 15K | — | Jan 3, 2025 |
| Carruthers Wendy | EVP, Human Resources | SELL | $500K+ | 7K | $90.78 | Dec 4, 2024 |
| Carruthers Wendy | EVP, Human Resources | EXERCISE | $50K–$100K | 4K | $19.31 | Dec 4, 2024 |
| Woodworth Emily | SVP | SELL | $100K–$500K | 1K | $90.65 | Dec 2, 2024 |
| Butcher Arthur C | EVP& Grp Pres | SELL | $1M+ | 14K | $89.27 | Nov 25, 2024 |
| Butcher Arthur C | EVP& Grp Pres | EXERCISE | $50K–$100K | 4K | $21.40 | Nov 25, 2024 |
| LUDWIG EDWARD J | Director | SELL | $100K–$500K | 5K | $91.63 | Nov 22, 2024 |
| Sorenson John Bradley | EVP | SELL | $1M+ | 31K | $87.66 | Nov 12, 2024 |
| Sorenson John Bradley | EVP | EXERCISE | $100K–$500K | 17K | $24.55 | Nov 12, 2024 |
| Mahoney Michael F | Chairman | EXERCISE | $1M+ | 112K | $16.79 | Nov 7, 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