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Boston Scientific
BSX

1,148 hedge funds and large institutions have $78.3B invested in Boston Scientific in 2023 Q4 according to their latest regulatory filings, with 176 funds opening new positions, 442 increasing their positions, 377 reducing their positions, and 68 closing their positions.

New
Increased
Maintained
Reduced
Closed

159% more first-time investments, than exits

New positions opened: 176 | Existing positions closed: 68

17% more repeat investments, than reductions

Existing positions increased: 442 | Existing positions reduced: 377

11% more capital invested

Capital invested by funds: $70.6B → $78.3B (+$7.75B)

9% more funds holding

Funds holding: 1,056 → 1,148 (+92)

1.17% more ownership

Funds ownership: 91.31% → 92.48% (+1.2%)

5% less call options, than puts

Call options by funds: $513M | Put options by funds: $538M

7% less funds holding in top 10

Funds holding in top 10: 29 → 27 (-2)

Holders
1,148
Holders Change
+92
Holders Change %
+8.71%
% of All Funds
16.74%
Holding in Top 10
27
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-6.9%
% of All Funds
0.39%
New
176
Increased
442
Reduced
377
Closed
68
Calls
$513M
Puts
$538M
Net Calls
-$24.9M
Net Calls Change
+$68.6M

Top Buyers

Rank Fund Capital Flow
1
Morgan Stanley
Morgan Stanley
New York
+$871M
2
Fidelity Investments
Fidelity Investments
Massachusetts
+$658M
3
PI
Putnam Investments
Massachusetts
+$366M
4
Capital World Investors
Capital World Investors
California
+$353M
5
JP Morgan Chase
JP Morgan Chase
New York
+$242M

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$650M
2
Wellington Management Group
Wellington Management Group
Massachusetts
-$301M
3
Massachusetts Financial Services
Massachusetts Financial Services
Massachusetts
-$286M
4
Millennium Management
Millennium Management
New York
-$201M
5
Aberdeen Group
Aberdeen Group
United Kingdom
-$166M
Name Holding Trade Value Shares
Change 		Change in
Stake
Capital World Investors
26
Capital World Investors
California
$545M +$353M +6,617,360 +236%
Citadel Advisors
27
Citadel Advisors
Florida
$519M -$650M -12,174,688 -58%
Lazard Asset Management
28
Lazard Asset Management
New York
$510M -$4.21M -78,889 -0.9%
UBS AM
29
UBS AM
Illinois
$459M +$14.2M +266,715 +3%
Holocene Advisors
30
Holocene Advisors
New York
$456M +$48.5M +908,423 +13%
Charles Schwab
31
Charles Schwab
California
$445M +$2.77M +51,892 +0.7%
Ameriprise
32
Ameriprise
Minnesota
$435M +$116M +2,165,709 +40%
UBS Group
33
UBS Group
Switzerland
$408M +$81.8M +1,531,625 +28%
VOYA Investment Management
34
VOYA Investment Management
Georgia
$401M -$78.7M -1,475,199 -18%
Canada Pension Plan Investment Board
35
Canada Pension Plan Investment Board
Ontario, Canada
$397M +$10.7M +199,794 +3%
Millennium Management
36
Millennium Management
New York
$397M -$201M -3,767,915 -34%
Newport Trust Company
37
Newport Trust Company
District of Columbia
$390M -$4.36M -81,701 -1%
T. Rowe Price Associates
38
T. Rowe Price Associates
Maryland
$364M +$27.6M +516,386 +9%
Arrowstreet Capital
39
Arrowstreet Capital
Massachusetts
$350M -$84.8M -1,589,034 -21%
Fidelity International
40
Fidelity International
Bermuda
$344M +$4.3M +80,534 +1%
FCM
41
Farallon Capital Management
California
$336M +$41.7M +781,000 +15%
Bank of Montreal
42
Bank of Montreal
Ontario, Canada
$305M +$16.5M +309,563 +6%
Winslow Capital Management
43
Winslow Capital Management
Minnesota
$291M -$58.5M -1,095,555 -18%
AM
44
AGF Management
Ontario, Canada
$281M -$1.12M -20,973 -0.4%
Point72 Asset Management
45
Point72 Asset Management
Connecticut
$272M -$91.3M -1,710,909 -27%
Swiss National Bank
46
Swiss National Bank
Switzerland
$265M -$2.43M -45,600 -1%
SEI Investments
47
SEI Investments
Pennsylvania
$265M -$16.6M -311,889 -6%
Dimensional Fund Advisors
48
Dimensional Fund Advisors
Texas
$262M +$39.5M +739,940 +20%
BNP Paribas Asset Management
49
BNP Paribas Asset Management
France
$261M -$4.85M -90,805 -2%
Ninety One (UK)
50
Ninety One (UK)
United Kingdom
$257M -$22M -412,050 -8%
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BSX Hedge Fund Activity: Q4 2023 in Review

1,148 of the 6,859 institutional investors tracked by Wall St. Rank reported a position in Boston Scientific (BSX) for Q4 2023, worth a combined $78.3B — up 11% from $70.6B a quarter earlier.

Buyers outnumbered sellers: 176 funds opened new BSX positions and 68 closed out — a net gain of 108 holders — while 442 added to existing stakes and 377 trimmed.

The largest buyer was Morgan Stanley, adding an estimated $871M. The largest seller was Citadel Advisors, cutting an estimated $650M.

  • 1,148 institutional investors held Boston Scientific (BSX) as of Q4 2023, up from 1,056 in Q3 2023.
  • Funds reported $78.3B of Boston Scientific stock for Q4 2023, up 11% quarter-over-quarter.
  • 176 funds opened new Boston Scientific positions in Q4 2023 and 68 closed out, a net change of +108 holders.
  • The largest Boston Scientific buyer in Q4 2023 was Morgan Stanley, an estimated $871M added.
  • The largest Boston Scientific seller in Q4 2023 was Citadel Advisors, an estimated $650M sold.

Based on aggregated 13F filings for Q4 2023.