Merck & Co., Inc.
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionStrategic Wealth Partners, Ltd.
Latest Disclosed Ownership9,582 shares
Latest Disclosed Value $ 1,152,677
Strategic Wealth Partners, Ltd. reports 89.07% increase in ownership of MRK / Merck & Co., Inc.

On May 12, 2026 - Strategic Wealth Partners, Ltd. filed a 13F-HR form disclosing ownership of 9,582 shares of Merck & Co., Inc. (MX:MRK) valued at $1,152,677 USD as of March 31, 2026. The entity filed a previous 13F-HR on May 12, 2026 disclosing 5,068 shares of Merck & Co., Inc.. This represents a change in shares of 89.07% 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)
2026-05-12 2026-03-31 13F MERCK & CO INC COM Stock 58933Y105 9,582 4,514 89.07 1,153 116.14 0.0799
2026-05-12 2025-12-31 13F MERCK & CO INC COM Stock 58933Y105 5,068 1,766 53.48 533 92.42 0.0365
2025-11-14 2025-09-30 13F MERCK & CO INC COM Stock 58933Y105 3,302 -2,868 -46.48 277 -43.24 0.0207
2025-08-11 2025-06-30 13F MERCK & CO INC COM Stock 58933Y105 6,170 -583 -8.63 488 -14.39 0.0384
2025-02-14 2024-12-31 13F MERCK & CO INC COM Stock 58933Y105 6,753 -335 -4.73 570 -29.10 0.0472
2024-10-08 2024-09-30 13F MERCK COM 58933Y105 7,088 -234 -3.20 805 -11.26 0.0774
2024-10-08 2024-06-30 13F MERCK COM 58933Y105 7,322 1,419 24.04 906 16.45 0.0947
2024-05-20 2024-03-31 13F MERCK COM 58933Y105 5,903 -4,160 -41.34 779 -29.08 0.0855
2024-05-20 2023-12-31 13F MERCK COM 58933Y105 10,063 -24,501 -70.89 1,097 -69.17 0.1352
2024-05-20 2023-09-30 13F MERCK COM 58933Y105 34,564 -1,207 -3.37 3,558 -13.79 0.4686
2024-05-20 2023-06-30 13F MERCK COM 58933Y105 35,771 61 0.17 4,128 8.63 0.5339
2023-04-24 2023-03-31 13F MERCK COM 58933Y105 35,710 -1,848 -4.92 3,799 -8.83 0.5828
2023-04-24 2022-12-31 13F MERCK COM 58933Y105 37,558 -930 -2.42 4,167 25.74 0.7741
2023-04-24 2022-09-30 13F MERCK COM 58933Y105 38,488 2,997 8.44 3,315 2.41 0.7032
2022-08-22 2022-06-30 13F MERCK COM 58933Y105 35,491 -341 -0.95 3,236 10.07 0.6987
2022-05-19 2022-03-31 13F MERCK COM 58933Y105 35,832 -1,106 -2.99 2,940 3.85 0.5739
2022-02-11 2021-12-31 13F MERCK COM 58933Y105 36,938 36,938 2,831 0.5366
2020-01-30 2019-12-31 13F MERCK COM 58933Y105 0 -2,127 -100.00 0 -100.00
2019-10-28 2019-09-30 13F MERCK COM 58933Y105 2,127 -4,415 -67.49 44 -91.96 0.2282
2019-08-06 2019-06-30 13F MERCK COM 58933Y105 6,542 1,802 38.02 547 38.83 0.2640
2019-05-14 2019-03-31 13F MERCK COM 58933Y105 4,740 4,588 3,018.42 394 3,481.82 0.1809
2019-01-23 2018-12-31 13F MERCK & CO INC COM COM 58933Y105 152 2 1.33 11 0.00 0.0056
2018-12-06 2018-09-30 13F MERCK & CO INC. COM COM 58933Y105 150 0 0.00 11 22.22 0.0059
2018-09-04 2018-06-30 13F MERCK & CO INC. COM COM 58933Y105 150 -119 -44.24 9 -40.00 0.0052
2018-07-13 2018-03-31 13F MERCK & CO INC. COM COM 58933Y105 269 -612 -69.47 15 -70.00 0.0077
2018-04-16 2017-12-31 13F MERCK & CO INC. COM COM 58933Y105 881 881 50 0.0277
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.