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Boston Scientific
BSX

1,395 hedge funds and large institutions have $111B invested in Boston Scientific in 2024 Q3 according to their latest regulatory filings, with 164 funds opening new positions, 564 increasing their positions, 476 reducing their positions, and 76 closing their positions.

New
Increased
Maintained
Reduced
Closed

116% more first-time investments, than exits

New positions opened: 164 | Existing positions closed: 76

18% more repeat investments, than reductions

Existing positions increased: 564 | Existing positions reduced: 476

9% more capital invested

Capital invested by funds: $102B → $111B (+$8.86B)

6% more funds holding

Funds holding: 1,317 → 1,395 (+78)

0% more funds holding in top 10

Funds holding in top 10: 36 → 36 (0)

0.38% less ownership

Funds ownership: 90.27% → 89.89% (-0.38%)

30% less call options, than puts

Call options by funds: $661M | Put options by funds: $944M

Holders
1,395
Holders Change
+78
Holders Change %
+5.92%
% of All Funds
20.03%
Holding in Top 10
36
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.52%
New
164
Increased
564
Reduced
476
Closed
76
Calls
$661M
Puts
$944M
Net Calls
-$283M
Net Calls Change
-$257M

Top Buyers

Rank Fund Capital Flow
1
A
AustralianSuper
Australia
+$206M
2
BlackRock
BlackRock
New York
+$180M
3
Schroder Investment Management Group
Schroder Investment Management Group
United Kingdom
+$145M
4
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
+$133M
5
Marshall Wace
Marshall Wace
United Kingdom
+$120M

Top Sellers

Rank Fund Capital Flow
1
Fidelity Investments
Fidelity Investments
Massachusetts
-$494M
2
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$482M
3
Amundi
Amundi
France
-$227M
4
Citadel Advisors
Citadel Advisors
Florida
-$213M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$203M
Name Holding Trade Value Shares
Change 		Change in
Stake
Millennium Management
26
Millennium Management
New York
$910M +$7.12M +90,349 +0.8%
Citadel Advisors
27
Citadel Advisors
Florida
$821M -$213M -2,706,764 -22%
UBS AM
28
UBS AM
Illinois
$765M -$29M -367,457 -4%
Fidelity International
29
Fidelity International
Bermuda
$697M +$72.7M +922,778 +12%
T. Rowe Price Associates
30
T. Rowe Price Associates
Maryland
$691M +$14.2M +180,326 +2%
Marshall Wace
31
Marshall Wace
United Kingdom
$691M +$120M +1,520,039 +23%
Ameriprise
32
Ameriprise
Minnesota
$688M +$24.1M +306,315 +4%
Charles Schwab
33
Charles Schwab
California
$672M +$5.1M +64,720 +0.8%
UBS Group
34
UBS Group
Switzerland
$651M +$49.8M +631,888 +9%
Canada Pension Plan Investment Board
35
Canada Pension Plan Investment Board
Ontario, Canada
$628M +$3.72M +47,183 +0.6%
Lazard Asset Management
36
Lazard Asset Management
New York
$608M -$20.5M -259,481 -3%
Schroder Investment Management Group
37
Schroder Investment Management Group
United Kingdom
$520M +$145M +1,838,247 +42%
Vontobel Holding
38
Vontobel Holding
Switzerland
$490M -$199M -2,527,469 -30%
VOYA Investment Management
39
VOYA Investment Management
Georgia
$469M -$179M -2,272,656 -29%
Impax Asset Management Group
40
Impax Asset Management Group
United Kingdom
$457M +$64.3M +815,403 +18%
FCM
41
Farallon Capital Management
California
$455M +$104M +1,316,500 +32%
Deutsche Bank
42
Deutsche Bank
Germany
$442M +$28.2M +357,689 +7%
Arrowstreet Capital
43
Arrowstreet Capital
Massachusetts
$428M +$22.9M +290,566 +6%
AM
44
AGF Management
Ontario, Canada
$412M +$5.49M +69,590 +1%
Dimensional Fund Advisors
45
Dimensional Fund Advisors
Texas
$410M -$12.3M -155,840 -3%
Bank of Montreal
46
Bank of Montreal
Ontario, Canada
$409M -$26.4M -335,299 -6%
Royal Bank of Canada
47
Royal Bank of Canada
Ontario, Canada
$405M +$29.5M +374,424 +8%
Fisher Asset Management
48
Fisher Asset Management
Washington
$400M +$54.8M +694,585 +17%
Swiss National Bank
49
Swiss National Bank
Switzerland
$366M +$914K +11,600 +0.3%
Capital Research Global Investors
50
Capital Research Global Investors
California
$360M +$79M +1,002,369 +30%
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BSX Hedge Fund Activity: Q3 2024 in Review

1,395 of the 6,964 institutional investors tracked by Wall St. Rank reported a position in Boston Scientific (BSX) for Q3 2024, worth a combined $111B — up 8.7% from $102B a quarter earlier.

Buyers outnumbered sellers: 164 funds opened new BSX positions and 76 closed out — a net gain of 88 holders — while 564 added to existing stakes and 476 trimmed.

The largest buyer was AustralianSuper, adding an estimated $206M. The largest seller was Fidelity Investments, cutting an estimated $494M.

  • 1,395 institutional investors held Boston Scientific (BSX) as of Q3 2024, up from 1,317 in Q2 2024.
  • Funds reported $111B of Boston Scientific stock for Q3 2024, up 8.7% quarter-over-quarter.
  • 164 funds opened new Boston Scientific positions in Q3 2024 and 76 closed out, a net change of +88 holders.
  • The largest Boston Scientific buyer in Q3 2024 was AustralianSuper, an estimated $206M added.
  • The largest Boston Scientific seller in Q3 2024 was Fidelity Investments, an estimated $494M sold.

Based on aggregated 13F filings for Q3 2024.