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MRK - MERCK & CO INC

This page shows which of the focused investors we track hold MRK and how their positions changed, so you can see how much conviction the group has in the stock.

In Q1 2026 it was held by 10 managers with an aggregate reported value of $1.67B, which is 0.15% of the combined portfolio.

As of Q1 2026, 10 tracked institutional managers held MRK (MERCK & CO INC) with an aggregate reported value of $1.67B0.15% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q1 2026
Ticker
MRK

13F data is delayed and excludes shorts/non-13F assets.

Holders

1Bill Nygren - Oakmark Funds1.99%Reduce -12.2%12,366,933$1.49B
2Sarah Ketterer - Causeway Capital Management1.26%Reduce -18.2%854,212$102.75M
3Kahn Brothers Group - Kahn Brothers Group4.85%Reduce -47.1%227,288$27.34M
4Prem Watsa - Fairfax Financial Holdings1.07%-172,900$20.8M
5Dodge & Cox - Dodge & Cox0.01%Reduce -1.6%136,050$16.37M
6Mairs & Power Growth Fund - Mairs & Power Growth Fund0.06%Reduce -3.2%50,348$6.06M
7Christopher Bloomstran - Semper Augustus0.64%Add +0.4%44,633$5.37M
8Richard Pzena - Pzena Investment Management0.00%Reduce -24.5%2,511$302.05K
9Thomas Russo - Gardner Russo & Quinn0.00%New2,141$257.54K
10David Katz - Matrix Asset Advisors0.02%Reduce -41.6%1,671$201.01K
Loading holder history for MRK