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Boston Scientific Corporation

BSX Healthcare
$69.79 +$0.66 (0.95%)
Market Cap: $103.56 B
Gurus Holding
16
Popularity Rank
#97
% of Shares Held
1.92%
Net Activity (Q4 2025)
+$634.53 M

Guru Ownership Trend

Guru Analysis for Boston Scientific Corporation (BSX)

Boston Scientific Corporation (BSX), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q4 2025, a total of 16 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $1.99 B.

Top institutional holders include Ken Fisher and John Armitage.

Notably, John Armitage has expressed high conviction in this stock, allocating 5.58% of their equity portfolio to it.

Institutional sentiment is currently Strongly Bullish. This is evidenced by a $634.53 M net inflow during the quarter.

Recent activity highlights Renaissance Technologies who increased their stake by 159.8%. Conversely, Ray Dalio reduced exposure by 41.3%.

Key Holders

Top 5 by Value

$871.33 M
$513.47 M
$280.73 M
$239.31 M
$232.14 M

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$671.52 M
Total Buy Value
New Buys 3
Additions 5
-$36.99 M
Total Sell Value
Reductions 8
Sold Out 0

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
8
Net Buyers
8

FAQs for Boston Scientific Corporation (BSX)

Major holders include Ken Fisher ($871.33 M), John Armitage ($513.47 M), Lee Ainslie ($280.73 M). According to the latest reported data, 16 tracked investment managers collectively hold approximately 28.53 M shares.

According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $634.53 M, with 8 managers increasing positions and 8 managers reducing holdings.

During the most recent reporting period, 8 managers trimmed their positions, while 0 fully exited BSX. The total reported sell value was $36.99 M.

Yes, 3 managers opened new positions in BSX, and 5 increased their existing holdings. The total reported buy value was $671.52 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.30% Add 8.0% 9,138,216 $871.33 M Q4 2025
5.58% Add 1.4% 5,385,084 $513.47 M Q4 2025
3.01% New Buy 2,944,254 $280.73 M Q4 2025
0.64% Reduce -5.0% 2,509,808 $239.31 M Q4 2025
0.26% Add 49.3% 2,434,563 $232.14 M Q4 2025
0.35% Add 159.8% 2,382,705 $227.19 M Q4 2025
0.05% Reduce -6.3% 1,097,745 $104.67 M Q4 2025
0.23% New Buy 805,164 $76.77 M Q4 2025
0.13% Add 11.0% 732,838 $69.88 M Q4 2025
0.13% Reduce -11.1% 268,820 $25.63 M Q4 2025
0.12% Reduce -10.0% 250,214 $23.86 M Q4 2025
0.14% New Buy 201,703 $19.23 M Q4 2025
0.06% Reduce -20.9% 159,168 $15.18 M Q4 2025
0.10% Reduce -10.0% 111,639 $10.64 M Q4 2025
0.03% Reduce -41.3% 93,745 $8.94 M Q4 2025
0.01% Reduce -1.3% 10,176 $970,282 Q4 2025
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