2m 2m 2m 2m 2m 2m 2m
Boston Scientifi (BSX)
NYSE
$50.64+$0.27 (+0.54%)
Price as of Aug 21, 2026 7:59 PM EDT- $73.0BMarket Cap
- -52.56%1-Year Change
- Medical DevicesIndustry
Boston Scientifi (BSX)
$50.64+$0.27 (+0.54%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 9.40% | 139.7M | +1.4M (+1.03%) | Dec 31, 2025 |
BLACKROCK FUNDING, INC. /DE | 9.35% | 139.0M | +10.3M (+7.43%) | Dec 31, 2024 |
BLACKROCK, INC. | 8.72% | 129.7M | -2.1M (-1.65%) | Jun 30, 2026 |
BLACKROCK INC. | 8.51% | 126.4M | -417,418 (-0.33%) | Jun 30, 2024 |
VANGUARD CAPITAL MANAGEMENT LLC | 6.53% | 97.1M | +675,985 (+0.70%) | Jun 30, 2026 |
WELLINGTON MANAGEMENT CO LLP | 5.01% | 74.5M | -9.3M (-12.50%) | Dec 31, 2021 |
STATE STREET CORP | 4.72% | 70.1M | +2.1M (+3.03%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 6.92% | 102.9M | +1.0M (+1.02%) | Mar 31, 2026 |
PIMCO ETF Trust | 1.68% | 25.0M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 1.63% | 24.3M | +204,802 (+0.84%) | May 31, 2026 |
VANGUARD CHESTER FUNDS | 1.42% | 21.1M | +416,150 (+1.98%) | Mar 31, 2026 |
VANGUARD FIXED INCOME SECURITIES FUNDS | 1.41% | 21.0M | 0 (0.00%) | Apr 30, 2026 |
SPDR S&P 500 ETF TRUST | 1.16% | 17.3M | -778,118 (-4.50%) | Mar 31, 2026 |
VANGUARD BOND INDEX FUNDS | 1.05% | 15.6M | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions24.9B (76.78%)
- Mutual Funds7.5B (23.02%)
- Insiders67.2M (0.21%)
- Other0 (0.00%)
Insider Transactions
- 0.21% (67.2M)Current InsiderOwnership (%, shares)
- 3Number of InsiderBuying (last 12 months)
- $71.1MAmount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $360.2MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Woodworth Emily SVP, Global Controller and CAO | Discretionary | Aug 11, 2026 | $149,986.70 | 2,930 | $51.19 | 2,930 |
Monson Jonathan EVP and CFO | Discretionary | Aug 10, 2026 | $499,957.68 | 9,908 | $50.46 | 9,908 |
Habiger David C | Buy | Aug 05, 2026 | $99,936.90 | 2,100 | $47.59 | 17,160 |
Habiger David C | Buy | Aug 04, 2026 | $6,802.31 | 140 | $48.59 | 15,060 |
Mahoney Michael F Chairman, President & CEO | Buy | Aug 03, 2026 | $9.0M | 186,240 | $48.33 | 1.6M |
Habiger David C | Buy | Aug 03, 2026 | $50,084.25 | 1,042 | $48.07 | 14,920 |
Mahoney Michael F Chairman, President & CEO | Discretionary | Aug 03, 2026 | $1.1M | 22,119 | $48.43 | 22,119 |
Fitzgerald Joseph Michael EVP & Group Pres, Cardiology | Discretionary | Jul 31, 2026 | $3.0M | 64,198 | $46.73 | 64,198 |
LUDWIG EDWARD J | Buy | Jul 31, 2026 | $227,399.50 | 5,000 | $45.48 | 30,359 |
Pegus Cheryl | Award | Mar 02, 2026 | $0.00 | 24 | $0.00 | 5,917 |
Smith Cathy R | Award | Mar 02, 2026 | $0.00 | 556 | $0.00 | 556 |
Morano Susan E | Award | Mar 02, 2026 | $0.00 | 24 | $0.00 | 6,663 |
Smith Cathy R | Award | Mar 02, 2026 | $0.00 | 323 | $0.00 | 879 |
Woodworth Emily SVP, Global Controller and CAO | Exempt | Mar 01, 2026 | $0.00 | 838 | $0.00 | 1,676 |
Woodworth Emily SVP, Global Controller and CAO | Exempt | Mar 01, 2026 | $0.00 | 838 | $0.00 | 3,231 |
Woodworth Emily SVP, Global Controller and CAO | In Kind | Mar 01, 2026 | $28,588.20 | 372 | $76.85 | 2,859 |
Butcher Arthur C EVP& Grp Pres, MedSurg & APAC | Discretionary | Feb 19, 2026 | $519,031.76 | 6,851 | $75.76 | 20,205 |
O'Sullivan Miriam SVP, Chief HR Officer | Exempt | Feb 16, 2026 | $0.00 | 990 | $0.00 | 0 |
O'Connor Padraig Andrew EVP, Global Operations | Exempt | Feb 16, 2026 | $0.00 | 905 | $0.00 | 0 |
Monson Jonathan EVP and CFO | Exempt | Feb 16, 2026 | $0.00 | 990 | $0.00 | 0 |
Fitzgerald Joseph Michael EVP & Group Pres, Cardiology | Exempt | Feb 16, 2026 | $0.00 | 3,960 | $0.00 | 215,713 |
Mahoney Michael F Chairman, President & CEO | Exempt | Feb 16, 2026 | $0.00 | 16,265 | $0.00 | 0 |
O'Connor Padraig Andrew EVP, Global Operations | Exempt | Feb 16, 2026 | $0.00 | 905 | $0.00 | 6,433 |
Monson Jonathan EVP and CFO | Exempt | Feb 16, 2026 | $0.00 | 990 | $0.00 | 38,426 |
Fitzgerald Joseph Michael EVP & Group Pres, Cardiology | In Kind | Feb 16, 2026 | $134,962.38 | 1,806 | $74.73 | 213,907 |
O'Sullivan Miriam SVP, Chief HR Officer | Exempt | Feb 16, 2026 | $0.00 | 990 | $0.00 | 17,593 |
O'Connor Padraig Andrew EVP, Global Operations | In Kind | Feb 16, 2026 | $25,333.47 | 339 | $74.73 | 6,094 |
Monson Jonathan EVP and CFO | In Kind | Feb 16, 2026 | $32,881.20 | 440 | $74.73 | 37,986 |
Woodworth Emily SVP, Global Controller and CAO | Exempt | Feb 16, 2026 | $0.00 | 637 | $0.00 | 0 |
Mahoney Michael F Chairman, President & CEO | Exempt | Feb 16, 2026 | $0.00 | 16,265 | $0.00 | 1.6M |