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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 233 funds opening new positions, 657 increasing their positions, 544 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,620
Holders Change
+128
Holders Change %
+8.58%
% of All Funds
22%
Holding in Top 10
50
Holding in Top 10 Change
+11
Holding in Top 10 Change %
+28.21%
% of All Funds
0.68%
New
233
Increased
657
Reduced
544
Closed
75
Calls
$1.07B
Puts
$819M
Net Calls
+$256M
Net Calls Change
+$371M

Top Buyers

1
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$533M
2
Bank of America
Bank of America
North Carolina
+$411M
3
Two Sigma Advisers
Two Sigma Advisers
New York
+$348M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$310M
5
SP
SurgoCap Partners
New York
+$267M

Top Sellers

1
Franklin Resources
Franklin Resources
California
-$917M
2
DZ Bank
DZ Bank
Germany
-$461M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$388M
4
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$317M
5
Impax Asset Management Group
Impax Asset Management Group
United Kingdom
-$304M
Name Holding Trade Value Shares
Change 		Shares
Change %
EB
301
Eastern Bank
Massachusetts
$21.1M -$9.65M -95,688 -31%
SMFG
302
Sumitomo Mitsui Financial Group
Japan
$20.7M +$5.53M +54,832 +36%
B
303
Bailard
California
$20.7M +$125K +1,237 +0.6%
NYLIM
304
New York Life Investment Management
New York
$20.4M -$124K -1,227 -0.6%
AIM
305
Achmea Investment Management
Netherlands
$20.2M +$6.02M +59,682 +43%
CM
306
Churchill Management
California
$19.8M -$56.4K -559 -0.3%
MWM
307
Moran Wealth Management
Florida
$19.8M -$328K -3,250 -2%
HF
308
HRT Financial
New York
$19.6M +$19.6M +194,779 New
SMDAM
309
Sumitomo Mitsui DS Asset Management
Japan
$19.6M +$692K +6,855 +4%
RG
310
Redmile Group
California
$19.5M -$12M -119,400 -38%
SIC
311
Salem Investment Counselors
North Carolina
$19.5M -$398K -3,944 -2%
PI
312
PGGM Investments
Netherlands
$19.4M – – –
PD
313
Point72 (DIFC)
United Arab Emirates
$19.2M +$17.5M +173,529 +1,056%
Corient Private Wealth
314
Corient Private Wealth
Florida
$18.9M +$1.72M +17,097 +10%
First Manhattan
315
First Manhattan
New York
$18.9M -$257K -2,551 -1%
KAS
316
Kestra Advisory Services
Texas
$18.9M -$2.96M -29,366 -14%
HIMC
317
Heritage Investors Management Corp
Maryland
$18.8M -$887K -8,792 -5%
Parallax Volatility Advisers
318
Parallax Volatility Advisers
California
$18.7M +$387K +3,840 +2%
NAM
319
Nissay Asset Management
Japan
$18.5M +$240K +2,380 +1%
MYLI
320
Meiji Yasuda Life Insurance
Japan
$18.4M -$125K -1,242 -0.7%
LA
321
LBP AM
France
$18.4M -$12.2M -121,169 -40%
TAM
322
Trillium Asset Management
Massachusetts
$18.3M +$18.3M +180,922 New
CTI
323
Community Trust & Investment
Kentucky
$18.1M -$26.9K -267 -0.1%
VPIM
324
Vanguard Personalized Indexing Management
California
$18.1M +$1.47M +14,554 +9%
AssetMark Inc
325
AssetMark Inc
California
$18.1M +$265K +2,624 +1%
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