Merck & Co., Inc.
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionLeisure Capital Management
Latest Disclosed Ownership10,142 shares
Latest Disclosed Value $ 1,219,982
Leisure Capital Management reports 45.97% decrease in ownership of MRK / Merck & Co., Inc.

On May 8, 2026 - Leisure Capital Management filed a 13F-HR form disclosing ownership of 10,142 shares of Merck & Co., Inc. (MX:MRK) valued at $1,219,982 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 27, 2026 disclosing 18,770 shares of Merck & Co., Inc.. This represents a change in shares of -45.97% 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.

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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)
2026-05-08 2026-03-31 13F MERCK COM 58933Y105 10,142 -8,628 -45.97 1,220 -38.28 0.4270
2026-01-27 2025-12-31 13F MERCK COM 58933Y105 18,770 -579 -2.99 1,976 21.69 0.6543
2025-11-06 2025-09-30 13F MERCK COM 58933Y105 19,349 -27 -0.14 1,624 5.87 0.5561
2025-08-14 2025-06-30 13F MERCK COM 58933Y105 19,376 -364 -1.84 1,534 -13.44 0.5782
2025-05-09 2025-03-31 13F MERCK COM 58933Y105 19,740 496 2.58 1,772 -7.47 0.7271
2025-01-24 2024-12-31 13F MERCK COM 58933Y105 19,244 1 0.01 1,914 -12.40 0.7498
2024-10-16 2024-09-30 13F MERCK COM 58933Y105 19,243 -757 -3.79 2,185 -11.75 0.9339
2024-07-26 2024-06-30 13F MERCK COM 58933Y105 20,000 -76 -0.38 2,476 -6.53 1.1538
2024-05-06 2024-03-31 13F MERCK COM 58933Y105 20,076 -552 -2.68 2,649 17.84 1.3286
2024-02-05 2023-12-31 13F MERCK COM 58933Y105 20,628 -3,004 -12.71 2,249 -7.57 1.2152
2023-10-31 2023-09-30 13F MERCK COM 58933Y105 23,632 -46 -0.19 2,433 -10.98 1.3988
2023-07-27 2023-06-30 13F MERCK COM 58933Y105 23,678 -1,047 -4.23 2,732 3.88 1.5051
2023-04-27 2023-03-31 13F MERCK COM 58933Y105 24,725 -19 -0.08 2,630 -4.19 1.5075
2023-01-30 2022-12-31 13F MERCK COM 58933Y105 24,744 81 0.33 2,745 29.24 1.4184
2022-11-01 2022-09-30 13F MERCK COM 58933Y105 24,663 3,574 16.95 2,124 10.45 1.2864
2022-07-27 2022-06-30 13F MERCK COM 58933Y105 21,089 11,418 118.06 1,923 142.19 0.9981
2022-05-12 2022-03-31 13F MERCK COM 58933Y105 9,671 0 0.00 794 7.15 0.4016
2022-02-14 2021-12-31 13F MERCK COM 58933Y105 9,671 151 1.59 741 3.64 0.3412
2021-11-03 2021-09-30 13F MERCK COM 58933Y105 9,520 -253 -2.59 715 -5.92 0.3849
2021-08-06 2021-06-30 13F MERCK COM 58933Y105 9,773 -10,759 -52.40 760 -51.99 0.4239
2021-05-13 2021-03-31 13F MERCK & CO. COM 58933Y105 20,532 559 2.80 1,583 -3.12 0.9577
2021-02-12 2020-12-31 13F MERCK & CO. COM 58933Y105 19,973 -167 -0.83 1,634 -2.21 1.0648
2020-10-23 2020-09-30 13F MERCK & CO. COM 58933Y105 20,140 -604 -2.91 1,671 4.18 1.2505
2020-07-31 2020-06-30 13F MERCK & CO. COM 58933Y105 20,744 545 2.70 1,604 3.22 1.2949
2020-05-07 2020-03-31 13F MERCK & CO. COM 58933Y105 20,199 6,573 48.24 1,554 25.42 1.4973
2020-01-27 2019-12-31 13F MERCK COM 58933Y105 13,626 -57 -0.42 1,239 7.55 0.9920
2019-11-08 2019-09-30 13F MERCK COM 58933Y105 13,683 440 3.32 1,152 3.78 0.9630
2019-07-10 2019-06-30 13F MERCK COM 58933Y105 13,243 18 0.14 1,110 0.91 0.9773
2019-05-08 2019-03-31 13F MERCK COM 58933Y105 13,225 -891 -6.31 1,100 1.95 0.9248
2019-02-13 2018-12-31 13F MERCK COM 58933Y105 14,116 -151 -1.06 1,079 6.62 1.0140
2018-11-09 2018-09-30 13F MERCK COM 58933Y105 14,267 541 3.94 1,012 21.49 0.8208
2018-08-02 2018-06-30 13F MERCK COM 58933Y105 13,726 5,882 74.99 833 95.08 0.7109
2018-05-11 2018-03-31 13F MERCK COM 58933Y105 7,844 7,844 427 0.3754
2016-05-11 2016-03-31 13F MERCK & CO INC NEW COM COM 58933Y105 0 0 0 0.0000
2015-10-14 2015-09-30 13F MERCK & CO INC NEW COM COM 58933Y105 0 -3,597 -100.00 0 -100.00
2015-07-08 2015-06-30 13F MERCK & CO INC NEW COM COM 58933Y105 3,597 0 0.00 205 -0.97 0.2021
2015-04-16 2015-03-31 13F MERCK & CO INC NEW COM COM 58933Y105 3,597 0 0.00 207 1.47 0.2031
2015-01-26 2014-12-31 13F MERCK & CO INC NEW COM COM 58933Y105 3,597 3,597 204 0.1778
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.