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Boston Scientific

1,705 hedge funds and large institutions have $131B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 179 funds opening new positions, 766 increasing their positions, 553 reducing their positions, and 132 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

0.87% less ownership

Funds ownership: 91.43%90.56% (-0.87%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

Holders
1,705
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
39
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.13B
Puts
$989M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
1
$14.2B
2
$13.5B
3
$9.71B
4
$6.34B
5
$3.31B
6
$3.23B
7
$3.18B
8
$2.77B
9
$2.6B
10
$2.02B
11
$1.93B
12
$1.66B
13
$1.46B
14
$1.43B
15
$1.41B
16
$1.37B
17
$1.17B
18
$1.16B
19
$1.08B
20
$1.07B
21
$1.03B
22
$1.02B
23
$1.01B
24
$957M
25
$942M