BSX icon

Boston Scientific

1,690 hedge funds and large institutions have $130B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 760 increasing their positions, 549 reducing their positions, and 133 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding

Funds holding:

1.08% less ownership

Funds ownership: 91.29%90.2% (-1.1%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $130B (-$14.5B)

Holders
1,690
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
39
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$1.13B
Puts
$989M
Net Calls
Net Calls Change

Top Buyers

1 +$671M
2 +$547M
3 +$358M
4
Millennium Management
Millennium Management
New York
+$357M
5
Citadel Advisors
Citadel Advisors
Florida
+$342M
Name Holding Trade Value Shares
Change
Change in
Stake
SBH
301
Segall Bryant & Hamill
Illinois
$23.5M
EI
302
Ethic Inc
New York
$23.4M
PFSRSONJ
303
Police & Firemen's Retirement System of New Jersey
New Jersey
$23.2M
HJGA
304
Hardman Johnston Global Advisors
Connecticut
$23.2M
CLGM
305
Capitolis Liquid Global Markets
New York
$22.9M
AIM
306
Achmea Investment Management
Netherlands
$22.9M
BMSSC
307
B. Metzler seel. Sohn & Co
Germany
$22.8M
Kovitz Investment Group Partners
308
Kovitz Investment Group Partners
Illinois
$22.7M
GI
309
Gradient Investments
Minnesota
$22.5M
Commonwealth Equity Services
310
Commonwealth Equity Services
Massachusetts
$22.4M
CIBC Asset Management
311
CIBC Asset Management
Ontario, Canada
$21.6M
Fiera Capital (Canada)
312
Fiera Capital (Canada)
Quebec, Canada
$21.4M
VPIM
313
Vanguard Personalized Indexing Management
California
$21.3M
AAP
314
Aristotle Atlantic Partners
Florida
$21.2M
YCM
315
Yousif Capital Management
Michigan
$21.2M
Corient Private Wealth
316
Corient Private Wealth
Florida
$21.2M
UBP
317
Union Bancaire Privee
Switzerland
$21.1M
ADEF
318
Adams Diversified Equity Fund
Maryland
$20.9M
BCIM
319
British Columbia Investment Management
British Columbia, Canada
$20.8M
VCM
320
Voleon Capital Management
California
$20.7M
FFM
321
Fullerton Fund Management
Singapore
$20.5M
OAM
322
Oppenheimer Asset Management
New York
$20.3M
SMDAM
323
Sumitomo Mitsui DS Asset Management
Japan
$20.3M
BAMF
324
BI Asset Management Fondsmaeglerselskab
Denmark
$20.1M
PWP
325
Private Wealth Partners
California
$20M