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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 %
DWM
276
Dakota Wealth Management
Florida
$23.5M +$16.6M +164,946 +242%
SSA
277
Schonfeld Strategic Advisors
New York
$23.4M +$14.9M +147,826 +175%
FAF
278
Fjarde Ap-fonden
Sweden
$23.4M -$2.36M -23,400 -9%
TIAA Trust, National Association
279
TIAA Trust, National Association
North Carolina
$23.4M -$1.95M -19,371 -8%
Los Angeles Capital Management
280
Los Angeles Capital Management
California
$23.3M +$22.1M +219,201 +1,910%
UBP
281
Union Bancaire Privee
Switzerland
$23.2M -$14M -143,812 -38%
BMSSC
282
B. Metzler seel. Sohn & Co
Germany
$23.1M +$372K +3,683 +2%
YCM
283
Yousif Capital Management
Michigan
$23.1M -$349K -3,462 -1%
PHP
284
Parkman Healthcare Partners
Connecticut
$22.8M -$11.2M -111,364 -33%
QC
285
Quadrature Capital
United Kingdom
$22.7M +$20.8M +205,915 +1,046%
GI
286
Gradient Investments
Minnesota
$22.6M +$754K +7,476 +3%
PWP
287
Private Wealth Partners
California
$22.6M -$429K -4,249 -2%
TRSOTSOK
288
Teachers Retirement System of the State of Kentucky
Kentucky
$22.5M -$200K -1,982 -0.9%
Squarepoint
289
Squarepoint
New York
$22.5M +$6.05M +59,950 +37%
BAMF
290
BI Asset Management Fondsmaeglerselskab
Denmark
$22.5M -$4.79M -47,462 -18%
EGM
291
Engineers Gate Manager
New York
$22.5M +$19.4M +192,145 +632%
CI
292
Capital International
California
$22.4M +$1.71M +16,902 +8%
X
293
Xponance
Pennsylvania
$22M -$131K -1,300 -0.6%
IMRF
294
Illinois Municipal Retirement Fund
Illinois
$21.9M +$3.26M +32,356 +18%
TPSF
295
Texas Permanent School Fund
Texas
$21.8M +$21.8M +212,083 New
JCM
296
Jag Capital Management
Missouri
$21.8M +$4.64M +45,983 +27%
PFSRSONJ
297
Police & Firemen's Retirement System of New Jersey
New Jersey
$21.6M – – –
ADEF
298
Adams Diversified Equity Fund
Maryland
$21.6M – – –
Mirae Asset Global Investments
299
Mirae Asset Global Investments
South Korea
$21.5M +$3.42M +34,404 +19%
IG
300
ING Group
Netherlands
$21.3M +$2.3M +22,753 +12%
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