Companies / Boston Scientific Corp
Boston Scientific Corp
Insider flow · last 90 daysNet buys $454.0K
Financials · FY2025
Ownership
1.45B shares outstanding · as of Jul 30, 2026
Ownership
| Insiders | 0.15% | 2,105,344 |
| Institutions | 96.18% | 1,393,939,461 |
| Public float | 3.67% | 53,184,721 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 16
View all →| Insider | % of shares | Shares |
|---|---|---|
Mahoney Michael FCEOChairman, President & CEO · Director | 0.11% | 1,576,860 |
Fitzgerald Joseph MichaelEVP & Group Pres, Cardiology | 0.01% | 213,907 |
Butcher Arthur CEVP& Grp Pres, MedSurg & APAC | <0.01% | 75,997 |
Brown Vance REVP, GC and Corp. Secretary | <0.01% | 54,244 |
Wichmann David SDirector | <0.01% | 45,382 |
Monson JonathanEVP and CFO | <0.01% | 37,986 |
Zane Ellen MDirector | <0.01% | 27,934 |
Ludwig Edward JDirector | <0.01% | 25,359 |
O'Sullivan MiriamSVP, Chief HR Officer | <0.01% | 17,302 |
Habiger David CDirector | <0.01% | 13,878 |
Institutional holders 1,801
View all →| Holder | Value | % of shares |
|---|---|---|
| $13.32B | 9.64% | |
| $9.29B | 6.72% | |
| $5.53B | 8.95% | |
| $2.99B | 4.84% | |
| $2.97B | 2.15% | |
| $2.59B | 1.87% | |
| $2.42B | 1.75% | |
| $2.39B | 1.73% | |
| $2.20B | 1.59% | |
| $2.19B | 1.58% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-2.20B | -23.1M -100.00% | 0 | high |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Trim | Common stock | $-834.68M | -8.8M -25.85% | 25,115,185 1.73% of shares | high |
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Add | Common stock | $819.71M | +13.1M +116.13% | 24,312,352 1.68% of shares | high |
| Q3 2025 as of | Farallon Capital Management LLC 13F manager | New | Common stock | $463.41M | +4.7M | 4,746,557 0.33% of shares | high |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $435.48M | +6.9M +280.81% | 9,411,231 0.65% of shares | high |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-384.57M | -6.9M -61.49% | 4,337,804 0.30% of shares | high |
| Q4 2025 as of | Norges Bank 13F manager | Add | Common stock | $295.29M | +3.1M +15.51% | 23,066,546 1.59% of shares | high |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Trim | Common stock | $-269.15M | -6.3M -4.64% | 129,680,916 8.95% of shares | high |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| BSX | — | 101137107 |