Merck & Co., Inc.
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionSummit Wealth & Retirement Planning, Inc.
Latest Disclosed Ownership4,726 shares
Latest Disclosed Value $ 568,478
Summit Wealth & Retirement Planning, Inc. reports 5.94% increase in ownership of MRK / Merck & Co., Inc.

On May 8, 2026 - Summit Wealth & Retirement Planning, Inc. filed a 13F-HR form disclosing ownership of 4,726 shares of Merck & Co., Inc. (MX:MRK) valued at $568,478 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 2, 2026 disclosing 4,461 shares of Merck & Co., Inc.. This represents a change in shares of 5.94% 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 4,726 265 5.94 568 21.11 0.1356
2026-02-02 2025-12-31 13F MERCK COM 58933Y105 4,461 0 0.00 470 25.40 0.1106
2025-11-04 2025-09-30 13F MERCK COM 58933Y105 4,461 -555 -11.06 374 -5.79 0.0920
2025-08-06 2025-06-30 13F MERCK COM 58933Y105 5,016 279 5.89 397 -6.59 0.1066
2025-05-05 2025-03-31 13F MERCK COM 58933Y105 4,737 62 1.33 425 -8.60 0.1303
2025-01-28 2024-12-31 13F MERCK COM 58933Y105 4,675 133 2.93 465 -9.71 0.1439
2024-11-01 2024-09-30 13F MERCK COM 58933Y105 4,542 1 0.02 516 -8.36 0.1647
2024-08-07 2024-06-30 13F MERCK COM 58933Y105 4,541 -152 -3.24 562 -9.21 0.1914
2024-05-09 2024-03-31 13F MERCK COM 58933Y105 4,693 -70 -1.47 619 19.27 0.2208
2024-02-01 2023-12-31 13F MERCK COM 58933Y105 4,763 1 0.02 519 5.92 0.2194
2023-10-25 2023-09-30 13F MERCK COM 58933Y105 4,762 2 0.04 490 -10.75 0.1972
2023-07-26 2023-06-30 13F MERCK COM 58933Y105 4,760 1 0.02 549 8.50 0.2161
2023-05-11 2023-03-31 13F MERCK COM 58933Y105 4,759 4,759 506 0.1893
2022-08-02 2022-06-30 13F MERCK COM 58933Y105 0 -2,901 -100.00 0 -100.00
2022-05-12 2022-03-31 13F MERCK COM 58933Y105 2,901 2,901 238 0.0841
2021-05-10 2021-03-31 13F MERCK & CO. COM 58933Y105 0 -16,478 -100.00 0 -100.00
2021-02-09 2020-12-31 13F MERCK & CO. COM 58933Y105 16,478 -28 -0.17 1,348 -1.53 0.5113
2020-11-10 2020-09-30 13F MERCK & CO. COM 58933Y105 16,506 31 0.19 1,369 7.46 0.5878
2020-08-13 2020-06-30 13F MERCK & CO. COM 58933Y105 16,475 2 0.01 1,274 0.55 0.5976
2020-05-11 2020-03-31 13F MERCK & CO. COM 58933Y105 16,473 195 1.20 1,267 -14.39 0.6772
2020-02-10 2019-12-31 13F MERCK COM 58933Y105 16,278 101 0.62 1,480 8.66 0.6590
2019-11-12 2019-09-30 13F MERCK COM 58933Y105 16,177 -499 -2.99 1,362 -2.58 0.8230
2019-08-06 2019-06-30 13F MERCK COM 58933Y105 16,676 2 0.01 1,398 0.79 0.8177
2019-05-08 2019-03-31 13F MERCK COM 58933Y105 16,674 186 1.13 1,387 10.08 0.8238
2019-02-08 2018-12-31 13F MERCK COM 58933Y105 16,488 16,488 1,260 0.9555
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.