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Showing 8 of 31 quarters

Position history for PRIMECAP MANAGEMENT CO/CA/PRIMECAP MANAGEMENT CO/CA/'s holdings in THERMO FISHER SCIENTIFIC INC

PRIMECAP MANAGEMENT CO/CA/ holds 2M shares of TMO (THERMO FISHER SCIENTIFIC INC), worth $993.8M as of 2026-Q2. The position was decreased (-0.0% shares). TMO represents 0.6% of PRIMECAP MANAGEMENT CO/CA/'s portfolio.

Current Value

$993.8M

Current Shares

2M

Total Value Change

-$598.9M

Total Shares Change

-592,606

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Decreased
2M
-0.0%
$993.8M0.6%$501.36
0
2026-Q1
Decreased
2M
-3.6%
$974.5M0.8%$508.10
0
2025-Q4
Decreased
2.1M
-10.7%
$1.2B0.9%$583.45
0
2025-Q3
Decreased
2.3M
-4.3%
$1.1B0.9%$461.69
0
2025-Q2
Increased
2.4M
+3.8%
$975.6M0.8%$407.61
47
2025-Q1
Decreased
2.3M
-7.5%
$1.2B1.0%$498.82
0
2024-Q4
Decreased
2.5M
-2.7%
$1.3B1.0%$517.01
0
2024-Q3
Decreased
2.6M
-3.5%
$1.6B1.2%$611.80
0

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

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