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Boston Scientific
BSX

Overview Fund Activity

1,620 hedge funds and large institutions have $133B invested in Boston Scientific in 2025 Q1 according to their latest regulatory filings, with 234 funds opening new positions, 655 increasing their positions, 545 reducing their positions, and 75 closing their positions.

Holders
1,620
Holders Change
+129
Holders Change %
+8.65%
% of All Funds
22.01%
Holding in Top 10
50
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+28.21%
% of All Funds
0.68%
New
234
Increased
655
Reduced
545
Closed
75
Calls
$1.07B
Puts
$819M
Net Calls
+$256M
Net Calls Change
+$371M

Top Buyers

1
NL
1
Nuveen LLC
North Carolina
$679M
2
JPMorgan Chase & Co
2
JPMorgan Chase & Co
New York
$3.18B
3
Bank of America
3
Bank of America
North Carolina
$3.18B
4
Two Sigma Advisers
4
Two Sigma Advisers
New York
$424M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$387M

Top Sellers

1
Norges Bank
1
Norges Bank
Norway
$0
2
Franklin Resources
2
Franklin Resources
California
$751M
3
DZ Bank
3
DZ Bank
Germany
$1.79B
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$13B
5
Massachusetts Financial Services
5
Massachusetts Financial Services
Massachusetts
$1.67B
Name Market Value Shares Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$14.3B 141,671,066 +2,644,628 +2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$13.6B 134,588,729 +1,697,945 +1%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$13B 128,597,214 -3,845,669 -3%
State Street
4
State Street
Massachusetts
$6.5B 64,478,485 +514,793 +0.8%
Primecap Management
5
Primecap Management
California
$3.68B 36,496,946 -432,720 -1%
Wellington Management Group
6
Wellington Management Group
Massachusetts
$3.35B 33,197,842 -2,967,557 -8%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$3.2B 31,802,380 +1,176,210 +4%
Bank of America
8
Bank of America
North Carolina
$3.18B 31,557,054 +4,078,325 +15%
JPMorgan Chase & Co
9
JPMorgan Chase & Co
New York
$3.18B 31,522,514 +5,278,861 +20%
Capital World Investors
10
Capital World Investors
California
$2.88B 28,558,721 +658,818 +2%
BG
11
Bollard Group
Massachusetts
$2.07B 20,490,826 -242,400 -1%
Morgan Stanley
12
Morgan Stanley
New York
$1.92B 19,036,916 -1,443,859 -7%
DZ Bank
13
DZ Bank
Germany
$1.79B 17,744,264 -4,568,703 -20%
Invesco
14
Invesco
Georgia
$1.68B 16,624,940 +834,274 +5%
Massachusetts Financial Services
15
Massachusetts Financial Services
Massachusetts
$1.67B 16,521,619 -3,138,336 -16%
Northern Trust
16
Northern Trust
Illinois
$1.44B 14,302,624 -293,003 -2%
Goldman Sachs
17
Goldman Sachs
New York
$1.41B 13,929,832 +1,044,524 +8%
Janus Henderson Group
18
Janus Henderson Group
United Kingdom
$1.39B 13,989,921 -987,895 -7%
Amundi
19
Amundi
France
$1.21B 12,308,715 +311,034 +3%
Bank of New York Mellon
20
Bank of New York Mellon
New York
$1.19B 11,754,392 -701,803 -6%
UBS AM
21
UBS AM
Illinois
$1.14B 11,299,942 +460,580 +4%
Legal & General Group
22
Legal & General Group
United Kingdom
$1.1B 10,868,084 +129,278 +1%
T. Rowe Price Associates
23
T. Rowe Price Associates
Maryland
$1.07B 10,610,487 +1,664,108 +19%
Artisan Partners
24
Artisan Partners
Wisconsin
$974M 9,659,288 -1,572,974 -14%
UBS Group
25
UBS Group
Switzerland
$936M 9,280,167 +16,536 +0.2%
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