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Boston Scientific

1,691 hedge funds and large institutions have $131B invested in Boston Scientific in 2025 Q3 according to their latest regulatory filings, with 177 funds opening new positions, 762 increasing their positions, 548 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:

0.88% less ownership

Funds ownership: 91.29%90.41% (-0.88%)

7% less funds holding in top 10

Funds holding in top 10: 4239 (-3)

10% less capital invested

Capital invested by funds: $145B → $131B (-$14.2B)

Holders
1,691
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
PWP
326
Private Wealth Partners
California
$20M
OTPPB
327
Ontario Teachers' Pension Plan Board
Ontario, Canada
$20M
IGAM
328
iA Global Asset Management
Quebec, Canada
$19.9M
CI
329
Capital International
California
$19.9M
B
330
Bailard
California
$19.9M
ECM
331
ExodusPoint Capital Management
New York
$19.8M
NYLIM
332
New York Life Investment Management
New York
$19.6M
GAM
333
Gotham Asset Management
New York
$19.6M
TI
334
Tidal Investments
Wisconsin
$19.6M
RIM
335
Rakuten Investment Management
Japan
$19.4M
FDCDDQ
336
Federation des caisses Desjardins du Quebec
Quebec, Canada
$19.4M
FVWA
337
Foster Victor Wealth Advisors
South Carolina
$19.3M
TIAA Trust, National Association
338
TIAA Trust, National Association
North Carolina
$19.3M
SIC
339
Salem Investment Counselors
North Carolina
$19.1M
NIM
340
NEOS Investment Management
Connecticut
$18.9M
CII
341
Capital International Inc
California
$18.7M
MWM
342
Moran Wealth Management
Florida
$18.4M
NAM
343
Nissay Asset Management
Japan
$18.4M
SCM
344
Sone Capital Management
New York
$18.3M
First Manhattan
345
First Manhattan
New York
$18.1M
MML Investors Services
346
MML Investors Services
Massachusetts
$18M
AGP
347
Artia Global Partners
Florida
$17.9M
HighTower Advisors
348
HighTower Advisors
Illinois
$17.8M
TAM
349
Trillium Asset Management
Massachusetts
$17.7M
HIMC
350
Heritage Investors Management Corp
Maryland
$16.9M