BSX
Boston Scientific CorpCompany with tickers: BSX
CIK
885725
CUSIP
101137107
Shares Outstanding
1,486,355,179
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 10
Total Value: $164,811,866
Total Shares: 2,626,484
Institutional Ownership Trend
Holder Concentration
Across 10 13F filers · Δ vs Dec 31, 2025Top Holder
52.4%
+43.2 pts
Top 5
99.0%
+75.1 pts
Top 10
100.0%
+65.6 pts
HHI
3,670
Highly concentrated
+3,465
Quarterly Activity
vs Dec 31, 2025
New
8
Increased
1
Decreased
1
Sold Out
1,730
Unchanged
0
Holder count:
-1,722
Institutional value:
-99.8%
Shares held:
-99.8%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds |
|---|---|---|
| Small Essential Partners LLC | +972 | 1,016 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Small Wellington Grp LLC | −158 | 3,674 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Mid GROUPAMA ASSET MANAGMENT | 1,375,261 | $86,297,627 |
| Mid COMPASS CAPITAL MANAGEMENT, INC | 710,874 | $44,607,343 |
| Mid Groupe la Francaise | 346,901 | $21,768,037 |
| Mid Liontrust Investment Partners LLP | 98,662 | $6,191,040 |
| Mid SEGALL BRYANT & HAMILL, LLC | 67,359 | $4,226,777 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mega FMR LLC | 97,386,941 | $9,285,844,822 |
| Mega STATE STREET CORP | 65,846,059 | $6,278,421,725 |
| Mega GEODE CAPITAL MANAGEMENT, LLC | 32,383,765 | $3,087,791,992 |
| Mega PRIMECAP MANAGEMENT CO/CA/ | 31,096,184 | $2,965,021,144 |
| Mega Capital World Investors | 27,151,575 | $2,588,902,676 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Action | |
|---|---|---|---|---|---|---|---|---|
| Mid GROUPAMA ASSET MANAGMENT | $86,297,627 | 52.36% | 1,375,261 | Shares | Sole | 2026-05-22 | View | |
| Mid COMPASS CAPITAL MANAGEMENT, INC | $44,607,343 | 27.07% | 710,874 | Shares | Sole | 2026-05-21 | View | |
| Mid Groupe la Francaise | $21,768,037 | 13.21% | 346,901 | Shares | Defined | 2026-05-21 | View | |
| Mid Liontrust Investment Partners LLP | $6,191,040 | 3.76% | 98,662 | Shares | Sole | 2026-05-20 | View | |
| Mid SEGALL BRYANT & HAMILL, LLC | $4,226,777 | 2.56% | 67,359 | Shares | Sole | 2026-05-22 | View | |
| Small SOA Wealth Advisors, LLC. | $974,695 | 0.59% | 15,533 | Shares | Sole | 2026-05-20 | View | |
| Small VESTOR CAPITAL, LLC | $450,419 | 0.27% | 7,178 | Shares | Sole | 2026-05-21 | View | |
| Small Wellington Grp LLC | $230,543 | 0.14% | 3,674 | Shares | Sole | 2026-05-22 | View | |
| Small Essential Partners LLC | $63,754 | 0.04% | 1,016 | Shares | Sole | 2026-05-21 | View | |
| Micro JDM Financial Group LLC | $1,631 | 0.00% | 26 | Shares | Sole | 2026-05-21 | View | |
| No holders match your search. | ||||||||