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Boston Scientific
BSX
BSX
1,783 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q4 according to their latest regulatory filings, with 233 funds opening new positions, 671 increasing their positions, 685 reducing their positions, and 127 closing their positions.
New
Increased
Maintained
Reduced
Closed
83% more first-time investments, than exits
New positions opened: 233 | Existing positions closed: 127
13% more call options, than puts
Call options by funds: $987M | Put options by funds: $872M
4% more funds holding
Funds holding: 1,708 → 1,783 (+75)
1.39% more ownership
Funds ownership: 90.67% → 92.06% (+1.4%)
1% less capital invested
Capital invested by funds: $131B → $130B (-$1.05B)
2% less repeat investments, than reductions
Existing positions increased: 671 | Existing positions reduced: 685
5% less funds holding in top 10
Funds holding in top 10: 39 → 37 (-2)
Holders
1,783
Holders Change
+75
Holders Change %
+4.39%
% of All Funds
21.68%
Holding in Top 10
37
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-5.13%
% of All Funds
0.45%
New
233
Increased
671
Reduced
685
Closed
127
Calls
$987M
Puts
$872M
Net Calls
+$114M
Net Calls Change
-$25.3M
Top Buyers
| 1 |
DZ Bank
Frankfurt Am Main,
Germany
|
+$442M |
| 2 |
UBS Group
Zurich,
Switzerland
|
+$422M |
| 3 |
BNP Paribas Asset Management
Paris,
France
|
+$323M |
| 4 |
MC
Maverick Capital
Dallas,
Texas
|
+$289M |
| 5 |
Millennium Management
New York
|
+$269M |
Top Sellers
| 1 |
BlackRock
New York
|
-$901M |
| 2 |
Bank of America
Charlotte,
North Carolina
|
-$858M |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$671M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
-$485M |
| 5 |
Citadel Advisors
Miami,
Florida
|
-$405M |