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Boston Scientific
BSX

Overview Fund Activity

1,653 hedge funds and large institutions have $143B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 151 funds opening new positions, 739 increasing their positions, 537 reducing their positions, and 86 closing their positions.

Holders
1,653
Holders Change
+33
Holders Change %
+2.04%
% of All Funds
22.2%
Holding in Top 10
39
Holding in Top 10 Change
-11
Holding in Top 10 Change %
-22%
% of All Funds
0.52%
New
151
Increased
739
Reduced
537
Closed
86
Calls
$863M
Puts
$692M
Net Calls
+$171M
Net Calls Change
-$85.1M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$2.09B
2
Edgewood Management
2
Edgewood Management
Connecticut
$747M
3
BlackRock
3
BlackRock
New York
$15.8B
4
VOYA Investment Management
4
VOYA Investment Management
Georgia
$939M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$726M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$11.6B
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$2.76B
3
Massachusetts Financial Services
3
Massachusetts Financial Services
Massachusetts
$1.38B
4
Millennium Management
4
Millennium Management
New York
$444M
5
Winslow Capital Management
5
Winslow Capital Management
Minnesota
$1.14M
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$15.8B 146,687,740 +5,016,674 +4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$14.7B 137,134,110 +2,545,381 +2%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$11.6B 108,310,577 -20,286,637 -16%
State Street
4
State Street
Massachusetts
$7B 65,191,864 +713,379 +1%
Primecap Management
5
Primecap Management
California
$3.72B 34,662,722 -1,834,224 -5%
Bank of America
6
Bank of America
North Carolina
$3.64B 33,845,119 +2,288,065 +7%
Wellington Management Group
7
Wellington Management Group
Massachusetts
$3.51B 32,649,465 -548,377 -2%
Geode Capital Management
8
Geode Capital Management
Massachusetts
$3.47B 32,424,982 +622,602 +2%
Capital World Investors
9
Capital World Investors
California
$3.06B 28,524,768 -33,953 -0.1%
JPMorgan Chase & Co
10
JPMorgan Chase & Co
New York
$2.76B 25,659,722 -5,862,792 -19%
Morgan Stanley
11
Morgan Stanley
New York
$2.18B 20,263,664 +1,226,748 +6%
BG
12
Bollard Group
Massachusetts
$2.16B 20,079,443 -411,383 -2%
Norges Bank
13
Norges Bank
Norway
$2.09B 19,457,562 +19,457,562 New
Invesco
14
Invesco
Georgia
$1.81B 16,851,518 +226,578 +1%
DZ Bank
15
DZ Bank
Germany
$1.78B 16,615,529 -1,128,735 -6%
Northern Trust
16
Northern Trust
Illinois
$1.53B 14,274,448 -28,176 -0.2%
Goldman Sachs
17
Goldman Sachs
New York
$1.5B 13,934,981 +5,149 +0%
Massachusetts Financial Services
18
Massachusetts Financial Services
Massachusetts
$1.38B 12,859,158 -3,662,461 -22%
UBS AM
19
UBS AM
Illinois
$1.37B 12,750,070 +1,450,128 +13%
Janus Henderson Group
20
Janus Henderson Group
United Kingdom
$1.31B 12,157,715 -1,832,206 -13%
UBS Group
21
UBS Group
Switzerland
$1.24B 11,504,665 +2,224,498 +24%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$1.2B 11,208,663 -545,729 -5%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$1.18B 11,021,280 +410,793 +4%
Legal & General Group
24
Legal & General Group
United Kingdom
$1.07B 9,993,286 -874,798 -8%
Amundi
25
Amundi
France
$1.06B 10,199,754 -2,108,961 -17%
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