// company-profile
Boston Scientific Corp
BSXExchangeNYSESectorSurgical & Medical Instruments & ApparatusInc.DEFilings273Insiders27
// api This Boston Scientific Corp insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
Mixed insider activity over the last 30 days: 0 purchases and 0 sales (0 transactions total).
// 90-day insight
Over the last 90 days, Boston Scientific Corp insiders bought $554K (22 transactions) and sold $106K (2 transactions).
- Most active insider: Habiger David C with 3 transactions totaling $251K.
- Largest single purchase: $203K by LUDWIG EDWARD J on May 20, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Boston Scientific Corp as of 2026-03-31
Total reported AUM
$78.07B
QoQ change
-30.5%
Reporting period
2026-03-31
#1
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$6.05B
96.4M shares
#2
STATE STREET CORP
CIK 93751
$4.27B
68.0M shares
#3
FMR LLC
CIK 315066
$3.15B
50.2M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 28, 2026 | Mahoney Michael F | BSX | Gift | 386,755 | $0.00 | $0K |
| May 20, 2026 | LUDWIG EDWARD J | BSX | Purchase | 3,580 | $56.68 | $203K |
| May 20, 2026 | Pegus Cheryl | BSX | Purchase | 1,770 | $56.49 | $100K |
| May 20, 2026 | Habiger David C | BSX | Purchase | 2,250 | $55.92 | $126K |
| May 19, 2026 | Habiger David C | BSX | Purchase | 2,200 | $56.95 | $125K |
45 more transactions hidden
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