MRK

Merck & Co. Inc.

Latest period2026 - Q1Total superinvestors3781

Top 10 Superinvestors by Shares Owned

This chart shows the top 10 superinvestors based on the number of shares they owned in 2025-Q4 and 2026-Q1. According to the most recent SEC 13F filing, 3781 superinvestors own shares of Merck & Co. Inc. (MRK), although recent data may remain incomplete due to pending filings.

Quarter-over-Quarter Change (%)

This chart highlights the quarter-over-quarter change (%) in the number of superinvestors holding Merck & Co. Inc. (MRK), the total shares they held, and the total reported dollar value. It gives a clear view of whether there is ongoing momentum. The dotted lines at the top and bottom adjust longer bars to keep smaller data points visible for better comparison.

Superinvestors' Activity (%) Over the Last 4 Quarters

This chart shows superinvestors' activity with Merck & Co. Inc. (MRK) over the last four quarters, highlighting the percentage of investors who added, increased, decreased, held, or exited their positions, revealing shifts in sentiment over time.

Superinvestors' Past Actions

This chart displays superinvestors' past actions with Merck & Co. Inc. (MRK) over the last 10 years (40 quarters), helping to visualize the collective momentum and investment trends over time.

Superinvestors ownership

SuperinvestorPortfolio %Reported Value
Spencer Fleming@Blackrock, Inc.
Recent Activity
Increased 3.12%
0.48%
$27.177B
225.926M shares@ 120.29 avg price
Christine M. Buchanan@Vanguard Capital Management Llc
Recent Activity
New Position
0.48%
$19.365B
160.988M shares@ 120.3 avg price
ELIZABETH SCHAEFER@State Street Corp
Recent Activity
Decreased -0.59%
0.5%
$14.453B
119.326M shares@ 121.13 avg price
Jason Cronin@Wellington Management Group Llp
Recent Activity
Decreased -2.45%
1.9%
$10.142B
84.315M shares@ 120.3 avg price
Christine M. Buchanan@Vanguard Portfolio Management Llc
Recent Activity
New Position
0.43%
$8.096B
67.304M shares@ 120.29 avg price
Laura Doherty@Geode Capital Management, Llc
Recent Activity
Decreased -0.81%
0.45%
$7.14B
59.558M shares@ 119.89 avg price
Michael T. Lees@Jpmorgan Chase & Co
Recent Activity
Increased 81.42%
0.41%
$6.256B
52.973M shares@ 118.11 avg price
Omar Aguilar@Charles Schwab Investment Management Inc
Recent Activity
Increased 2.48%
0.92%
$5.987B
49.765M shares@ 120.31 avg price
Claire Gordon@Morgan Stanley
Recent Activity
Increased 5.98%
0.35%
$5.73B
47.632M shares@ 120.3 avg price
Stephanie J. Brown@Fmr Llc
Recent Activity
Increased 9.02%
0.29%
$5.355B
44.516M shares@ 120.3 avg price

1-10 of 3781