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Boston Scientific
BSX

Overview Fund Activity

825 hedge funds and large institutions have $50.1B invested in Boston Scientific in 2021 Q1 according to their latest regulatory filings, with 86 funds opening new positions, 292 increasing their positions, 303 reducing their positions, and 111 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
825
Holders Change
-32
Holders Change %
-3.73%
% of All Funds
14.53%
Holding in Top 10
10
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-33.33%
% of All Funds
0.18%
New
86
Increased
292
Reduced
303
Closed
111
Calls
$208M
Puts
$307M
Net Calls
-$98.8M
Net Calls Change
-$11.8M

Top Buyers

1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
$3.19B
2
Fidelity Investments
Fidelity Investments
Massachusetts
$3.33B
3
Wellington Management Group
Wellington Management Group
Massachusetts
$3.5B
4
Parnassus Investments
Parnassus Investments
California
$342M
5
DZ Bank
DZ Bank
Germany
$554M

Top Sellers

1
Viking Global Investors
Viking Global Investors
Connecticut
$692M
2
D.E. Shaw & Co
D.E. Shaw & Co
New York
$67.3M
3
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$252M
4
Two Sigma Investments
Two Sigma Investments
New York
$22M
5
Citadel Advisors
Citadel Advisors
Florida
$32.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
Citadel Advisors
126
Citadel Advisors
Florida
$32.2M -$166M -4,295,293 -84%
GIA
127
Gateway Investment Advisers
Ohio
$31M -$10.4K -269 -0%
Jennison Associates
128
Jennison Associates
New York
$31M -$40.5M -1,047,114 -57%
RSCM
129
Rock Springs Capital Management
Maryland
$30.9M – – –
AQR Capital Management
130
AQR Capital Management
Connecticut
$30.3M -$29.5M -764,411 -49%
HJGA
131
Hardman Johnston Global Advisors
Connecticut
$30.3M +$6.64M +171,790 +28%
First Trust Advisors
132
First Trust Advisors
Illinois
$29.9M -$128M -3,313,586 -81%
State of Tennessee, Department of Treasury
133
State of Tennessee, Department of Treasury
Tennessee
$29.8M +$12.4M +321,986 +72%
Envestnet Asset Management
134
Envestnet Asset Management
Illinois
$29.4M +$14.3M +371,049 +95%
Nomura Asset Management
135
Nomura Asset Management
Japan
$28.6M +$4.08M +105,685 +17%
SCM
136
Sirios Capital Management
Massachusetts
$27.6M -$13.4M -346,943 -33%
TRSOTSOK
137
Teachers Retirement System of the State of Kentucky
Kentucky
$27.4M -$1.88M -48,541 -6%
Asset Management One
138
Asset Management One
Japan
$27.1M -$1.24M -32,161 -4%
TAM
139
Taurus Asset Management
New York
$26.1M -$28K -725 -0.1%
RPAM
140
Rhenman & Partners Asset Management
Sweden
$25.9M +$5.41M +140,000 +26%
BPCE
141
Bank Pictet & Cie (Europe)
Germany
$25.7M +$1.22M +31,473 +5%
PCIG
142
Partners Capital Investment Group
Massachusetts
$25.5M +$2.59M +67,056 +11%
RS
143
Robeco Schweiz
Switzerland
$25.4M +$1.8M +46,503 +8%
Macquarie Group
144
Macquarie Group
Australia
$25.3M +$234K +6,056 +0.9%
SC
145
Samlyn Capital
New York
$25.3M +$25.3M +654,428 New
SSA
146
Schonfeld Strategic Advisors
New York
$24.9M +$12.3M +318,782 +98%
ACI
147
AMP Capital Investors
Australia
$24.8M -$699K -18,069 -3%
FTCM
148
Fir Tree Capital Management
New York
$24.2M -$14.1M -365,877 -37%
First Manhattan
149
First Manhattan
New York
$24.2M – – –
American Century Companies
150
American Century Companies
Missouri
$24.1M -$3.81M -98,573 -14%
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