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Showing 8 of 31 quarters

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

PRIMECAP MANAGEMENT CO/CA/ holds 50.5M shares of BSX (BOSTON SCIENTIFIC CORP), worth $2.2B as of 2026-Q2. The position was increased (+55.3% shares). BSX represents 1.3% of PRIMECAP MANAGEMENT CO/CA/'s portfolio.

Current Value

$2.2B

Current Shares

50.5M

Total Value Change

-$1B

Total Shares Change

+12.7M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
50.5M
+55.3%
$2.2B1.3%$42.68
71
2026-Q1
Increased
32.5M
+4.6%
$2B1.6%$62.75
53
2025-Q4
Decreased
31.1M
-6.1%
$3B2.2%$95.35
0
2025-Q3
Decreased
33.1M
-4.5%
$3.2B2.5%$97.63
0
2025-Q2
Decreased
34.7M
-5.0%
$3.7B3.0%$107.41
0
2025-Q1
Decreased
36.5M
-1.2%
$3.7B3.0%$100.88
0
2024-Q4
Decreased
36.9M
-2.4%
$3.3B2.6%$89.32
0
2024-Q3
Decreased
37.8M
-0.3%
$3.2B2.3%$83.80
0

Other major holders of BSX: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., VANGUARD GROUP INC

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