We are live on ! Find out more
BSX icon

Boston Scientific
BSX

1,512 hedge funds and large institutions have $120B invested in Boston Scientific in 2024 Q4 according to their latest regulatory filings, with 218 funds opening new positions, 617 increasing their positions, 489 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

163% more first-time investments, than exits

New positions opened: 218 | Existing positions closed: 83

26% more repeat investments, than reductions

Existing positions increased: 617 | Existing positions reduced: 489

9% more capital invested

Capital invested by funds: $111B → $120B (+$9.45B)

8% more funds holding

Funds holding: 1,395 → 1,512 (+117)

8% more funds holding in top 10

Funds holding in top 10: 36 → 39 (+3)

1.08% more ownership

Funds ownership: 89.89% → 90.98% (+1.1%)

13% less call options, than puts

Call options by funds: $797M | Put options by funds: $912M

Holders
1,512
Holders Change
+117
Holders Change %
+8.39%
% of All Funds
19.92%
Holding in Top 10
39
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+8.33%
% of All Funds
0.51%
New
218
Increased
617
Reduced
489
Closed
83
Calls
$797M
Puts
$912M
Net Calls
-$115M
Net Calls Change
+$168M

Top Buyers

Rank Fund Capital Flow
1
BlackRock
BlackRock
New York
+$909M
2
Capital World Investors
Capital World Investors
California
+$547M
3
Wellington Management Group
Wellington Management Group
Massachusetts
+$294M
4
AI
Axiom Investors
Connecticut
+$223M
5
Northern Trust
Northern Trust
Illinois
+$196M

Top Sellers

Rank Fund Capital Flow
1
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$529M
2
Citadel Advisors
Citadel Advisors
Florida
-$428M
3
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
-$260M
4
Fidelity Investments
Fidelity Investments
Massachusetts
-$242M
5
Bank of Montreal
Bank of Montreal
Ontario, Canada
-$222M
Name Holding Trade Value Shares
Change 		Change in
Stake
N
26
Nuveen
North Carolina
$887M -$124M -1,404,182 -12%
UBS Group
27
UBS Group
Switzerland
$827M +$131M +1,491,819 +19%
T. Rowe Price Associates
28
T. Rowe Price Associates
Maryland
$799M +$61.2M +695,000 +8%
Marshall Wace
29
Marshall Wace
United Kingdom
$792M +$55M +625,324 +8%
Millennium Management
30
Millennium Management
New York
$771M -$196M -2,231,004 -20%
Charles Schwab
31
Charles Schwab
California
$757M +$40.2M +456,654 +6%
Ameriprise
32
Ameriprise
Minnesota
$724M -$8.82M -100,157 -1%
Fidelity International
33
Fidelity International
Bermuda
$705M -$37.4M -424,779 -5%
Schroder Investment Management Group
34
Schroder Investment Management Group
United Kingdom
$668M +$113M +1,281,005 +21%
Koshinski Asset Management
35
Koshinski Asset Management
Illinois
$668M +$4.4K +50 +0.7%
Canada Pension Plan Investment Board
36
Canada Pension Plan Investment Board
Ontario, Canada
$651M -$17.6M -200,271 -3%
Lazard Asset Management
37
Lazard Asset Management
New York
$579M -$68.3M -775,800 -11%
Fisher Asset Management
38
Fisher Asset Management
Washington
$518M +$90.6M +1,028,977 +22%
Royal Bank of Canada
39
Royal Bank of Canada
Ontario, Canada
$516M +$82.6M +938,023 +19%
Vontobel Holding
40
Vontobel Holding
Switzerland
$502M -$19.7M -224,019 -4%
Arrowstreet Capital
41
Arrowstreet Capital
Massachusetts
$499M +$42.9M +486,920 +10%
Deutsche Bank
42
Deutsche Bank
Germany
$486M +$14.3M +162,575 +3%
FCM
43
Farallon Capital Management
California
$449M -$35.4M -402,700 -7%
Citadel Advisors
44
Citadel Advisors
Florida
$440M -$428M -4,861,651 -50%
Dimensional Fund Advisors
45
Dimensional Fund Advisors
Texas
$439M +$1.99M +22,621 +0.5%
AM
46
AGF Management
Ontario, Canada
$428M -$10.6M -120,000 -2%
VOYA Investment Management
47
VOYA Investment Management
Georgia
$410M -$88.8M -1,008,653 -18%
Impax Asset Management Group
48
Impax Asset Management Group
United Kingdom
$401M -$84.9M -964,695 -18%
American Century Companies
49
American Century Companies
Missouri
$401M +$81.5M +925,268 +26%
Barclays
50
Barclays
United Kingdom
$394M +$29.8M +339,068 +8%
1
2
3 4 5

BSX Hedge Fund Activity: Q4 2024 in Review

1,512 of the 7,592 institutional investors tracked by Wall St. Rank reported a position in Boston Scientific (BSX) for Q4 2024, worth a combined $120B — up 8.5% from $111B a quarter earlier.

Buyers outnumbered sellers: 218 funds opened new BSX positions and 83 closed out — a net gain of 135 holders — while 617 added to existing stakes and 489 trimmed.

The largest buyer was BlackRock, adding an estimated $909M. The largest seller was Massachusetts Financial Services, cutting an estimated $529M.

  • 1,512 institutional investors held Boston Scientific (BSX) as of Q4 2024, up from 1,395 in Q3 2024.
  • Funds reported $120B of Boston Scientific stock for Q4 2024, up 8.5% quarter-over-quarter.
  • 218 funds opened new Boston Scientific positions in Q4 2024 and 83 closed out, a net change of +135 holders.
  • The largest Boston Scientific buyer in Q4 2024 was BlackRock, an estimated $909M added.
  • The largest Boston Scientific seller in Q4 2024 was Massachusetts Financial Services, an estimated $529M sold.

Based on aggregated 13F filings for Q4 2024.