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Boston Scientific
BSX

Overview Fund Activity

1,660 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
1,660
Holders Change
+40
Holders Change %
+2.47%
% 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
1
Edgewood Management
Connecticut
$747M
2
BlackRock
2
BlackRock
New York
$15.8B
3
VOYA Investment Management
3
VOYA Investment Management
Georgia
$939M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$726M
5
Bessemer Group
5
Bessemer Group
New Jersey
$314M

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 Holding Trade Value Shares
Change 		Shares
Change %
JG
301
Jain Global
New York
$23.4M +$10.9M +101,021 +87%
VPIM
302
Vanguard Personalized Indexing Management
California
$23.3M +$4.04M +37,578 +21%
UBP
303
Union Bancaire Privee
Switzerland
$23.2M -$1.53M -14,747 -6%
ADEF
304
Adams Diversified Equity Fund
Maryland
$23M – – –
NYLIM
305
New York Life Investment Management
New York
$22.1M +$407K +3,790 +2%
B
306
Bailard
California
$22.1M +$29.5K +275 +0.1%
PWP
307
Private Wealth Partners
California
$22.1M -$2M -18,631 -8%
SMDAM
308
Sumitomo Mitsui DS Asset Management
Japan
$21.7M +$832K +7,742 +4%
FDCDDQ
309
Federation des caisses Desjardins du Quebec
Quebec, Canada
$21.6M +$3.04M +28,297 +16%
JSSH
310
J. Safra Sarasin Holding
$21.6M +$4.06M +37,784 +23%
AssetMark Inc
311
AssetMark Inc
California
$21.3M +$2.04M +19,026 +11%
CM
312
Churchill Management
California
$21M -$109K -1,016 -0.5%
MWM
313
Moran Wealth Management
Florida
$21M -$103K -958 -0.5%
EGM
314
Engineers Gate Manager
New York
$20.7M -$3.18M -29,586 -13%
SIC
315
Salem Investment Counselors
North Carolina
$20.7M +$10.2K +95 +0%
NAM
316
Nissay Asset Management
Japan
$19.9M +$270K +2,511 +1%
First Manhattan
317
First Manhattan
New York
$19.9M -$212K -1,976 -1%
IMRF
318
Illinois Municipal Retirement Fund
Illinois
$19.7M -$3.6M -33,535 -15%
TAM
319
Trillium Asset Management
Massachusetts
$19.6M +$202K +1,877 +1%
QCM
320
QRG Capital Management
Illinois
$19.6M +$1.96M +18,238 +11%
CII
321
Capital International Inc
California
$19.4M +$1.32M +12,304 +7%
BAMF
322
BI Asset Management Fondsmaeglerselskab
Denmark
$19.4M -$4.52M -42,101 -19%
GCM
323
Graham Capital Management
Connecticut
$19.3M +$13.3M +124,287 +223%
HighTower Advisors
324
HighTower Advisors
Illinois
$19.3M +$7.67M +71,449 +66%
HIMC
325
Heritage Investors Management Corp
Maryland
$19.1M -$881K -8,205 -4%
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