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MRK
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Position history for GREAT LAKES ADVISORS, LLC's holdings in MERCK & CO INC

GREAT LAKES ADVISORS, LLC holds 1.6M shares of MRK (MERCK & CO INC), worth $188.8M as of 2026-Q1. The position was decreased (-6.4% shares). MRK represents 1.6% of GREAT LAKES ADVISORS, LLC's portfolio.

Current Value

$188.8M

Current Shares

1.6M

Total Value Change

+$38.4M

Total Shares Change

+354,563

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Decreased
1.6M
-6.4%
$188.8M1.6%$119.83
0
2025-Q4
Increased
1.7M
+2.4%
$176.5M1.4%$106.06
49
2025-Q3
Decreased
1.6M
-1.1%
$137.5M1.1%$77.91
0
2025-Q2
Increased
1.7M
+43.3%
$131.1M1.1%$77.66
64
2025-Q1
Increased
1.2M
+1.2%
$103.5M0.9%$86.74
43
2024-Q4
Increased
1.1M
+0.7%
$113.5M1.0%$94.81
43
2024-Q3
Decreased
1.1M
-6.7%
$128.8M1.1%$108.70
0
2024-Q2
Decreased
1.2M
-17.5%
$150.4M1.3%$117.58
0

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

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