默克公司
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionLeuthold Group, Llc
Latest Disclosed Ownership50,410 shares
Latest Disclosed Value $ 6,063,819
Leuthold Group, Llc reports 2.26% increase in ownership of MRK / Merck & Co., Inc.

On May 6, 2026 - Leuthold Group, Llc filed a 13F-HR form disclosing ownership of 50,410 shares of Merck & Co., Inc. (MX:MRK) valued at $6,063,819 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 49,296 shares of Merck & Co., Inc.. This represents a change in shares of 2.26% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

Upgrade to unlock premium data and export to Excel .

Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-06 2026-03-31 13F Merck COM 58933Y105 50,410 1,114 2.26 6,064 16.87 0.6459
2026-02-05 2025-12-31 13F Merck COM 58933Y105 49,296 49,296 5,189 0.5603
2025-08-13 2025-06-30 13F Merck COM 58933Y105 0 -40,970 -100.00 0 -100.00
2025-05-13 2025-03-31 13F Merck COM 58933Y105 40,970 40,970 3,677 0.4775
2024-02-06 2023-12-31 13F Merck COM 58933Y105 0 -85,941 -100.00 0 -100.00
2023-11-07 2023-09-30 13F Merck COM 58933Y105 85,941 -6,265 -6.79 8,848 -16.84 1.2410
2023-08-08 2023-06-30 13F Merck COM 58933Y105 92,206 -3,185 -3.34 10,640 4.84 1.3786
2023-04-18 2023-03-31 13F Merck COM 58933Y105 95,391 -2,124 -2.18 10,149 -6.20 1.3403
2023-02-07 2022-12-31 13F/A-1 Merck COM 58933Y105 97,515 -3,143 -3.12 10,819 24.80 1.4581
2023-01-31 2022-12-31 13F Merck COM 58933Y105 97,515 -3,143 11 1.4580
2022-10-31 2022-09-30 13F Merck COM 58933Y105 100,658 16,109 19.05 8,669 12.47 1.3063
2022-08-01 2022-06-30 13F Merck COM 58933Y105 84,549 84,549 7,708 1.0944
2021-02-16 2020-12-31 13F Merck COM 58933Y105 0 -4,668 -100.00 0 -100.00
2020-11-16 2020-09-30 13F Merck COM 58933Y105 4,668 -129 -2.69 387 4.31 0.0531
2020-08-14 2020-06-30 13F Merck COM 58933Y105 4,797 -188 -3.77 371 -3.39 0.0552
2020-05-15 2020-03-31 13F Merck COM 58933Y105 4,985 -464 -8.52 384 -22.58 0.0692
2020-02-14 2019-12-31 13F Merck COM 58933Y105 5,449 5,449 -85.27 496 -71.83 0.0646
2014-02-14 2013-12-31 13F Merck COM 58933Y105 0 -36,991 -100.00 0 -100.00
2013-11-14 2013-09-30 13F Merck COM 58933Y105 36,991 -4,455 -10.75 1,761 -8.52 0.1629
2013-08-14 2013-06-30 13F Merck COM 58933Y105 41,446 41,446 1,925 0.1783
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.