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Boston Scientific
BSX

Overview Fund Activity

1,661 hedge funds and large institutions have $145B invested in Boston Scientific in 2025 Q2 according to their latest regulatory filings, with 151 funds opening new positions, 744 increasing their positions, 539 reducing their positions, and 86 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,661
Holders Change
+41
Holders Change %
+2.53%
% of All Funds
22.26%
Holding in Top 10
40
Holding in Top 10 Change
-10
Holding in Top 10 Change %
-20%
% of All Funds
0.54%
New
151
Increased
744
Reduced
539
Closed
86
Calls
$1.08B
Puts
$859M
Net Calls
+$225M
Net Calls Change
-$30.7M

Top Buyers

1
Edgewood Management
Edgewood Management
Connecticut
+$747M
2
BlackRock
BlackRock
New York
+$539M
3
VOYA Investment Management
VOYA Investment Management
Georgia
+$514M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$313M
5
Bessemer Group
Bessemer Group
New Jersey
+$311M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
-$2.18B
2
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$630M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$393M
4
Millennium Management
Millennium Management
New York
-$355M
5
Winslow Capital Management
Winslow Capital Management
Minnesota
-$284M
Name Holding Trade Value Shares
Change 		Shares
Change %
TSW
901
Thompson Siegel & Walmsley
Virginia
$982K +$1.07K +10 +0.1%
CI
902
Conning Inc
Connecticut
$981K -$27.3K -254 -3%
SCI
903
Stableford Capital II
Arizona
$970K -$14.4K -136 -1%
AAG
904
Armstrong Advisory Group
Massachusetts
$960K +$522K +4,857 +119%
PP
905
PDS Planning
Ohio
$959K +$98.6K +918 +11%
AWM
906
Avior Wealth Management
Nebraska
$954K +$326K +3,035 +52%
VWM
907
Venturi Wealth Management
Texas
$952K +$70.2K +654 +8%
CI
908
CX Institutional
Indiana
$952K +$17.7K +165 +2%
SIA
909
Strategic Investment Advisors
Michigan
$945K -$286K -2,676 -23%
PWM
910
Pines Wealth Management
North Carolina
$945K +$70.3K +674 +8%
PPWP
911
Premier Path Wealth Partners
New Jersey
$942K +$7.84K +73 +0.8%
PWPS
912
Pinnacle Wealth Planning Services
Ohio
$939K +$248K +2,307 +36%
SCM
913
Silvant Capital Management
Georgia
$938K -$3.65M -34,028 -80%
PGF
914
Plan Group Financial
Oklahoma
$935K +$133K +1,234 +17%
EAM
915
Eschler Asset Management
United Kingdom
$933K +$933K +8,690 New
BWP
916
BSW Wealth Partners
Colorado
$931K +$20.2K +188 +2%
FMLI
917
Fukoku Mutual Life Insurance
Japan
$931K -$147K -1,370 -14%
MT
918
Midwest Trust
Kansas
$918K +$918K +8,549 New
AIA
919
Armor Investment Advisors
North Carolina
$918K – – –
RWB
920
RMR Wealth Builders
New Jersey
$915K -$12.2K -114 -1%
HSA
921
HBK Sorce Advisory
Pennsylvania
$914K +$23.7K +221 +3%
GC
922
Grimes & Company
Massachusetts
$909K -$10.7K -100 -1%
PI
923
PFG Investments
New York
$903K +$54K +503 +6%
SRL
924
Scientech Research LLC
New Jersey
$902K +$672K +6,254 +292%
CFG
925
Cooper Financial Group
California
$900K +$607K +5,654 +208%
35 36
37
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