Boston Scientific
1,631 hedge funds and large institutions have $84B invested in Boston Scientific in 2026 Q1 according to their latest regulatory filings, with 187 funds opening new positions, 660 increasing their positions, 621 reducing their positions, and 273 closing their positions.
New
Increased
Maintained
Reduced
Closed
more call options, than puts
Call options by funds: $ | Put options by funds: $
more repeat investments, than reductions
Existing positions increased: | Existing positions reduced:
less ownership
Funds ownership: →
less funds holding
Funds holding: →
32% less first-time investments, than exits
New positions opened: 187 | Existing positions closed: 273
32% less funds holding in top 10
Funds holding in top 10: 37 → 25 (-12)
35% less capital invested
Capital invested by funds: $130B → $84B (-$45.9B)
Holders
1,631
Holding in Top 10
25
Calls
$1.56B
Puts
$640M
Top Buyers
| 1 | +$1.05B | |
| 2 | +$730M | |
| 3 | +$706M | |
| 4 |
JP Morgan Chase
New York
|
+$638M |
| 5 |
Two Sigma Investments
New York
|
+$555M |
Top Sellers
| 1 | -$1.85B | |
| 2 | -$947M | |
| 3 | -$695M | |
| 4 |
Millennium Management
New York
|
-$554M |
| 5 |
ECU
Egerton Capital (UK)
London,
United Kingdom
|
-$513M |
