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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 Q2 2026 it was held by 10 managers with an aggregate reported value of $1.75B, which is 0.15% of the combined portfolio.

As of Q2 2026, 10 tracked institutional managers held MRK (MERCK & CO INC) with an aggregate reported value of $1.75B0.15% of the combined AlphaBaseline portfolio.

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Source
Curated SEC 13F filings
Period
Q2 2026
Ticker
MRK

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

Holders

1Bill Nygren - Oakmark Funds2.06%Reduce -2.4%12,073,109$1.55B
2Sarah Ketterer - Causeway Capital Management1.33%Add +11.8%954,932$122.71M
3Kahn Brothers Group - Kahn Brothers Group4.43%Reduce -4.0%218,182$28.04M
4Prem Watsa - Fairfax Financial Holdings0.84%-172,900$22.2M
5Dodge & Cox - Dodge & Cox0.01%Reduce -0.2%135,750$17.44M
6Mairs & Power Growth Fund - Mairs & Power Growth Fund0.06%Add +2.3%51,519$6.62M
7Christopher Bloomstran - Semper Augustus0.65%-44,633$5.74M
8Richard Pzena - Pzena Investment Management0.00%-2,511$322.66K
9David Katz - Matrix Asset Advisors0.02%-1,671$214.72K
10Thomas Russo - Gardner Russo & Quinn0.00%Reduce -23.3%1,642$211.01K
Loading holder history for MRK