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Boston Scientifi (BSX)
NYSE
$45.36+$1.03 (+2.33%)
Price as of Jun 23, 2026 2:04 PM EDT- $65.9BMarket Cap
- -56.69%1-Year Change
- Medical DevicesIndustry
Boston Scientifi (BSX)
$45.36+$1.03 (+2.33%)
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. | 8.87% | 131.8M | -4.2M (-3.16%) | Mar 31, 2026 |
BLACKROCK INC. | 8.51% | 126.4M | -417,418 (-0.33%) | Jun 30, 2024 |
N/A | 6.49% | 96.4M | +96.4M (+100.00%) | Mar 31, 2026 |
WELLINGTON MANAGEMENT CO LLP | 5.01% | 74.5M | -9.3M (-12.50%) | Dec 31, 2021 |
FMR LLC | 4.99% | 74.2M | -23.2M (-31.20%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 6.92% | 102.9M | +1.0M (+1.02%) | Mar 31, 2026 |
iSHARES TRUST | 2.28% | 33.9M | -3.0M (-8.85%) | Mar 31, 2026 |
PIMCO ETF Trust | 1.68% | 25.0M | 0 (0.00%) | Mar 31, 2026 |
FIDELITY CONCORD STREET TRUST | 1.62% | 24.0M | +322,507 (+1.34%) | Feb 28, 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%) | Jan 31, 2026 |
SPDR S&P 500 ETF TRUST | 1.16% | 17.3M | -778,118 (-4.50%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions23.6B (76.70%)
- Mutual Funds7.1B (23.09%)
- Insiders65.8M (0.21%)
- Other0 (0.00%)
Insider Transactions
- 0.21% (65.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 6Number of InsiderSelling (last 12 months)
- $389.7MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Smith Cathy R | Award | Mar 02, 2026 | $0.00 | 556 | $0.00 | 556 |
Pegus Cheryl | Award | Mar 02, 2026 | $0.00 | 24 | $0.00 | 5,917 |
Smith Cathy R | Award | Mar 02, 2026 | $0.00 | 323 | $0.00 | 879 |
Morano Susan E | Award | Mar 02, 2026 | $0.00 | 24 | $0.00 | 6,663 |
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 |
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 | 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 | Exempt | Feb 16, 2026 | $0.00 | 3,960 | $0.00 | 0 |
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 | 2,676 |
Mahoney Michael F Chairman, President & CEO | Exempt | Feb 16, 2026 | $0.00 | 16,265 | $0.00 | 1.6M |
Woodworth Emily SVP, Global Controller and CAO | In Kind | Feb 16, 2026 | $21,148.59 | 283 | $74.73 | 2,393 |
O'Sullivan Miriam SVP, Chief HR Officer | In Kind | Feb 16, 2026 | $21,746.43 | 291 | $74.73 | 17,302 |
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 | In Kind | Feb 16, 2026 | $587,751.45 | 7,865 | $74.73 | 1.6M |
Fitzgerald Joseph Michael EVP & Group Pres, Cardiology | In Kind | Feb 16, 2026 | $134,962.38 | 1,806 | $74.73 | 213,907 |
Monson Jonathan EVP and CFO | Exempt | Feb 14, 2026 | $0.00 | 1,058 | $0.00 | 37,906 |
O'Connor Padraig Andrew EVP, Global Operations | Exempt | Feb 14, 2026 | $0.00 | 1,190 | $0.00 | 5,977 |
O'Sullivan Miriam SVP, Chief HR Officer | Exempt | Feb 14, 2026 | $0.00 | 1,124 | $0.00 | 16,932 |
Fitzgerald Joseph Michael EVP & Group Pres, Cardiology | Exempt | Feb 14, 2026 | $0.00 | 4,362 | $0.00 | 4,363 |