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MRK
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Position history for WELLINGTON MANAGEMENT GROUP LLP's holdings in MERCK & CO INC

WELLINGTON MANAGEMENT GROUP LLP holds 84.3M shares of MRK (MERCK & CO INC), worth $10.1B as of 2026-Q1. The position was decreased (-2.5% shares). MRK represents 1.9% of WELLINGTON MANAGEMENT GROUP LLP's portfolio.

Current Value

$10.1B

Current Shares

84.3M

Total Value Change

+$1.2B

Total Shares Change

+11.8M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
84.3M
-2.5%
$10.1B1.9%$119.83
0
2025-Q4
Increased
86.4M
+14.8%
$9.1B1.6%$106.06
58
2025-Q3
Decreased
75.3M
-2.0%
$6.3B1.1%$77.91
0
2025-Q2
Decreased
76.9M
-5.9%
$6.1B1.1%$77.66
0
2025-Q1
Increased
81.7M
+1.1%
$7.3B1.4%$86.74
51
2024-Q4
Increased
80.7M
+6.5%
$8B1.5%$94.81
54
2024-Q3
Increased
75.8M
+4.6%
$8.6B1.5%$108.70
53
2024-Q2
Decreased
72.5M
-16.1%
$9B1.6%$117.58
0

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

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