Merck & Co., Inc.
CL ˙ SNSE ˙ US58933Y1055
SecurityCL:MRKCL / Merck & Co., Inc.
InstitutionWealth Alliance
Latest Disclosed Ownership23,028 shares
Latest Disclosed Value $ 2,770,056
Wealth Alliance reports 33.36% increase in ownership of MRKCL / Merck & Co., Inc.

On May 14, 2026 - Wealth Alliance filed a 13F-HR form disclosing ownership of 23,028 shares of Merck & Co., Inc. (CL:MRKCL) valued at $2,770,056 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 17,268 shares of Merck & Co., Inc.. This represents a change in shares of 33.36% 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)
2026-05-14 2026-03-31 13F MERCK COM 58933Y105 23,028 5,760 33.36 2,770 52.45 0.2735
2026-02-13 2025-12-31 13F MERCK COM 58933Y105 17,268 6,011 53.40 1,818 92.48 0.1779
2025-11-07 2025-09-30 13F MERCK COM 58933Y105 11,257 -5,224 -31.70 945 -27.61 0.0972
2025-08-08 2025-06-30 13F MERCK COM 58933Y105 16,481 1,002 6.47 1,305 -6.12 0.1457
2025-05-05 2025-03-31 13F MERCK COM 58933Y105 15,479 554 3.71 1,389 -6.40 0.1681
2025-02-03 2024-12-31 13F MERCK COM 58933Y105 14,925 -1,444 -8.82 1,485 -20.13 0.1775
2024-11-04 2024-09-30 13F MERCK COM 58933Y105 16,369 729 4.66 1,859 -4.03 0.2220
2024-08-09 2024-06-30 13F MERCK COM 58933Y105 15,640 -742 -4.53 1,936 -10.41 0.2500
2024-05-10 2024-03-31 13F MERCK COM 58933Y105 16,382 113 0.69 2,162 21.88 0.2836
2024-01-30 2023-12-31 13F MERCK COM 58933Y105 16,269 -267 -1.61 1,774 4.17 0.2487
2023-11-09 2023-09-30 13F MERCK COM 58933Y105 16,536 -762 -4.41 1,702 -14.73 0.2685
2023-08-02 2023-06-30 13F MERCK COM 58933Y105 17,298 1,168 7.24 1,996 16.32 0.2984
2023-05-11 2023-03-31 13F MERCK COM 58933Y105 16,130 -3,358 -17.23 1,716 -20.63 0.2780
2023-02-13 2022-12-31 13F MERCK &CO. INC COM Stock 58933Y105 19,488 -2,695 -12.15 2,162 13.19 0.3839
2022-11-14 2022-09-30 13F MERCK &CO. INC COM Stock 58933Y105 22,183 -3,543 -13.77 1,910 -18.58 0.3769
2022-10-11 2022-06-30 13F/A-1 MERCK &CO. INC COM Stock 58933Y105 25,726 23,484 1,047.46 2,346 1,175.00 0.4502
2022-08-15 2022-06-30 13F MERCK &CO. INC COM Stock 58933Y105 25,726 23,484 2,346 0.2853
2022-05-10 2022-03-31 13F MERCK &CO. INC COM Stock 58933Y105 2,242 -30,718 -93.20 184 -92.72 0.0262
2022-05-10 2022-03-31 13F MERCK &CO. INC COM Stock 58933Y105 30,142 2,473
2022-02-14 2021-12-31 13F MERCK &CO. INC COM Stock 58933Y105 32,960 -984 -2.90 2,526 -0.94 0.5079
2021-11-12 2021-09-30 13F MERCK &CO. INC COM Stock 58933Y105 33,944 1,391 4.27 2,550 0.71 0.5726
2021-08-16 2021-06-30 13F MERCK &CO. INC COM Stock 58933Y105 32,553 8,004 32.60 2,532 33.83 0.5962
2021-05-18 2021-03-31 13F MERCK &CO. INC COM Stock 58933Y105 24,549 7 0.03 1,892 -5.78 0.5300
2021-02-11 2020-12-31 13F MERCK & CO. INC COM Stock 58933Y105 24,542 3,387 16.01 2,008 14.42 0.5916
2020-12-01 2020-09-30 13F/A-1 MERCK & CO. INC COM Stock 58933Y105 21,155 1,845 9.55 1,755 17.55 0.6308
2020-11-13 2020-09-30 13F MERCK & CO. INC COM Stock 58933Y105 21,155 1,845 1,755 516,208.3540
2020-08-14 2020-06-30 13F MERCK & CO. INC COM Stock 58933Y105 19,310 5,548 40.31 1,493 40.98 0.5898
2020-05-15 2020-03-31 13F MERCK & CO. INC COM Stock 58933Y105 13,762 13,762 1,059 0.5710
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.