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Merck & Co., Inc.

MRK Healthcare
$115.43 +$0.67 (0.58%)
Market Cap: $285.39 B
Gurus Holding
17
Popularity Rank
#68
% of Shares Held
1.92%
Net Activity (Q4 2025)
+$96.81 M

Guru Ownership Trend

Guru Analysis for Merck & Co., Inc. (MRK)

Merck & Co., Inc. (MRK), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q4 2025, a total of 17 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $5.48 B.

Top institutional holders include Ken Fisher and Cliff Asness.

Notably, Robert Bruce has expressed high conviction in this stock, allocating 6.29% of their equity portfolio to it.

Institutional sentiment is currently Strongly Bullish. This is evidenced by a $96.81 M net inflow during the quarter.

Recent activity highlights Jefferies Group who increased their stake by 124.3%. Conversely, Ray Dalio reduced exposure by 39.6%.

Key Holders

Top 5 by Value

$2.62 B
$1.18 B
$723.15 M
$140.89 M
$109.96 M

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$210.39 M
Total Buy Value
New Buys 1
Additions 6
-$113.58 M
Total Sell Value
Reductions 7
Sold Out 1

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
8
Net Buyers
7

FAQs for Merck & Co., Inc. (MRK)

Major holders include Ken Fisher ($2.62 B), Cliff Asness ($1.18 B), Jeremy Grantham ($723.15 M). According to the latest reported data, 17 tracked investment managers collectively hold approximately 47.44 M shares.

According to the latest 13F reporting period, sentiment appears Bullish (Net Buying). There was a net inflow of $96.81 M, with 7 managers increasing positions and 8 managers reducing holdings.

During the most recent reporting period, 7 managers trimmed their positions, while 1 fully exited MRK. The total reported sell value was $113.58 M.

Yes, 1 managers opened new positions in MRK, and 6 increased their existing holdings. The total reported buy value was $210.39 M.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.89% Add 3.4% 24,873,327 $2.62 B Q4 2025
0.62% Add 5.6% 11,249,363 $1.18 B Q4 2025
1.85% Add 3.7% 6,870,145 $723.15 M Q4 2025
0.16% Add 6.0% 1,338,449 $140.89 M Q4 2025
1.51% Reduce -7.9% 1,044,617 $109.96 M Q4 2025
0.27% Add 124.3% 500,928 $52.73 M Q4 2025
0.17% Reduce -24.5% 447,427 $47.1 M Q4 2025
0.12% Reduce -39.6% 310,221 $32.65 M Q4 2025
6.29% 192,800 $20.29 M Q4 2025
0.24% Reduce -6.0% 175,513 $18.61 M Q4 2025
0.87% 172,900 $18.2 M Q4 2025
1.74% Reduce -1.0% 117,346 $12.35 M Q4 2025
0.07% Add 3.0% 64,973 $6.84 M Q4 2025
0.05% Reduce -0.4% 51,999 $5.47 M Q4 2025
0.04% Reduce -1.6% 28,147 $2.96 M Q4 2025
0.00% 3,324 $349,884 Q4 2025
0.02% New Buy 2,325 $244,730 Q4 2025
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