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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
CCM
551
Conway Capital Management
California
$2.85M – – –
FTWA
552
Fifth Third Wealth Advisors
Ohio
$2.84M +$282K +3,204 +11%
BP
553
Ballentine Partners
Massachusetts
$2.83M +$198K +2,248 +8%
MAS
554
Meeder Advisory Services
Ohio
$2.79M +$46.5K +528 +2%
GFM
555
GF Fund Management
China
$2.79M +$2.75M +31,252 New
CT
556
Chicago Trust
Illinois
$2.76M -$29.8K -339 -1%
BCI
557
Brinker Capital Investments
Pennsylvania
$2.73M +$182K +2,065 +7%
OPS
558
Orion Portfolio Solutions
Nebraska
$2.73M +$182K +2,065 +7%
CK
559
Cohen Klingenstein
New York
$2.72M – – –
AAMU
560
APG Asset Management US
New York
$2.72M -$327K -3,711 -11%
EGM
561
Engineers Gate Manager
New York
$2.72M -$725K -8,232 -21%
SFA
562
Sequoia Financial Advisors
Ohio
$2.7M +$341K +3,879 +15%
BGDI
563
BW Gestao de Investimentos
Brazil
$2.7M +$2.66M +30,250 New
FCM
564
Fairbanks Capital Management
California
$2.7M +$65.8K +748 +3%
GT
565
Glenview Trust
Kentucky
$2.69M -$88.1K -1,001 -3%
HWM
566
HB Wealth Management
Georgia
$2.68M +$148K +1,676 +6%
EAM
567
EFG Asset Management
Oregon
$2.67M +$222K +2,527 +9%
OAM
568
Ostrum Asset Management
France
$2.67M -$894K -10,161 -25%
AWMT
569
AAFMAA Wealth Management & Trust
North Carolina
$2.65M -$272K -3,094 -9%
CCM
570
Coldstream Capital Management
Washington
$2.65M +$203K +2,306 +8%
SF
571
Summit Financial
New Jersey
$2.63M +$302K +3,428 +13%
SFI
572
Susquehanna Fundamental Investments
Pennsylvania
$2.63M +$2.59M +29,400 New
CA
573
CoreCap Advisors
Michigan
$2.62M +$2.18M +24,717 +541%
S
574
SignatureFD
Georgia
$2.61M +$120K +1,368 +5%
TS
575
Triglav Skladi
Slovenia
$2.59M +$2.55M +29,000 New
21 22
23
24 25

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.