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BSX
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Position history for PRIMECAP MANAGEMENT CO/CA/'s holdings in BOSTON SCIENTIFIC CORP

PRIMECAP MANAGEMENT CO/CA/ holds 32.5M shares of BSX (BOSTON SCIENTIFIC CORP), worth $2B as of 2026-Q1. The position was increased (+4.6% shares). BSX represents 1.6% of PRIMECAP MANAGEMENT CO/CA/'s portfolio.

Current Value

$2B

Current Shares

32.5M

Total Value Change

-$882M

Total Shares Change

-5.4M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
32.5M
+4.6%
$2B1.6%$73.85
53
2025-Q4
Decreased
31.1M
-6.1%
$3B2.2%$96.01
0
2025-Q3
Decreased
33.1M
-4.5%
$3.2B2.5%$97.04
0
2025-Q2
Decreased
34.7M
-5.0%
$3.7B3.0%$106.53
0
2025-Q1
Decreased
36.5M
-1.2%
$3.7B3.0%$99.36
0
2024-Q4
Decreased
36.9M
-2.4%
$3.3B2.6%$89.68
0
2024-Q3
Decreased
37.8M
-0.3%
$3.2B2.3%$83.35
0
2024-Q2
Increased
38M
+0.0%
$2.9B2.1%$77.01
54

Other major holders of BSX: BlackRock, Inc., VANGUARD GROUP INC

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