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MRK
6 quarters

Position history for BlackRock, Inc.'s holdings in MERCK & CO INC

BlackRock, Inc. holds 225.8M shares of MRK (MERCK & CO INC), worth $27.2B as of 2026-Q1. The position was increased (+3.1% shares). MRK represents 0.5% of BlackRock, Inc.'s portfolio.

Current Value

$27.2B

Current Shares

225.8M

Total Value Change

+$5.1B

Total Shares Change

+3.7M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
225.8M
+3.1%
$27.2B0.5%$119.83
39
2025-Q4
Increased
219.1M
+2.0%
$23.1B0.4%$106.06
39
2025-Q3
Decreased
214.9M
-1.6%
$18B0.3%$77.91
0
2025-Q2
Decreased
218.3M
-3.1%
$17.3B0.3%$77.66
0
2025-Q1
Increased
225.4M
+1.5%
$20.2B0.4%$86.74
39
2024-Q4
New
222.1M
-
$22.1B0.4%$94.81
53

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

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