Merck & Co., Inc.
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionCornercap Investment Counsel Inc
Latest Disclosed Ownership23,591 shares
Latest Disclosed Value $ 2,483,189
Cornercap Investment Counsel Inc reports 1.35% decrease in ownership of MRK / Merck & Co., Inc.

On February 13, 2026 - Cornercap Investment Counsel Inc filed a 13F-HR form disclosing ownership of 23,591 shares of Merck & Co., Inc. (MX:MRK) valued at $2,483,189 USD as of December 31, 2025. The entity filed a previous 13F-HR on October 15, 2025 disclosing 23,915 shares of Merck & Co., Inc.. This represents a change in shares of -1.35% 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)
2026-02-13 2025-12-31 13F Merck COM 58933Y105 23,591 -324 -1.35 2,483 23.72 1.2232
2025-10-15 2025-09-30 13F Merck COM 58933Y105 23,915 -405 -1.67 2,007 4.26 0.9993
2025-08-06 2025-06-30 13F Merck COM 58933Y105 24,320 -579 -2.33 1,925 -13.83 1.0026
2025-05-02 2025-03-31 13F MERCK & CO INC COM COM 58933Y105 24,899 -284 -1.13 2,235 -10.82 1.1717
2025-02-12 2024-12-31 13F MERCK & CO INC COM COM 58933Y105 25,183 -1,000 -3.82 2,505 -15.74 0.8070
2024-11-06 2024-09-30 13F MERCK & CO INC COM COM 58933Y105 26,183 -17,508 -40.07 2,973 -45.03 0.8794
2024-08-08 2024-06-30 13F MERCK & CO INC COM COM 58933Y105 43,691 9,678 28.45 5,409 20.50 0.8812
2024-05-10 2024-03-31 13F MERCK & CO INC COM COM 58933Y105 34,013 -446 -1.29 4,488 19.49 0.6910
2024-01-30 2023-12-31 13F MERCK & CO INC COM COM 58933Y105 34,459 428 1.26 3,757 7.22 0.6147
2023-11-13 2023-09-30 13F MERCK & CO INC COM 58933Y105 34,031 -13,463 -28.35 3,503 -36.08 0.6375
2023-08-11 2023-06-30 13F MERCK & CO INC COM 58933Y105 47,494 -2,008 -4.06 5,480 4.06 0.9525
2023-05-11 2023-03-31 13F MERCK & CO INC COM 58933Y105 49,502 -1,994 -3.87 5,267 -7.82 0.9268
2023-02-13 2022-12-31 13F MERCK & CO INC COM 58933Y105 51,496 -1,773 -3.33 5,713 24.55 0.9891
2022-11-14 2022-09-30 13F MERCK & CO INC COM 58933Y105 53,269 -546 -1.01 4,587 -6.50 0.8655
2022-08-15 2022-06-30 13F MERCK & CO INC COM 58933Y105 53,815 3,427 6.80 4,906 18.67 0.8512
2022-05-10 2022-03-31 13F MERCK & CO INC COM 58933Y105 50,388 2,854 6.00 4,134 13.48 0.4430
2022-02-14 2021-12-31 13F MERCK & CO INC COM 58933Y105 47,534 7,050 17.41 3,643 19.80 0.5267
2021-11-15 2021-09-30 13F MERCK & CO INC COM 58933Y105 40,484 -1,571 -3.74 3,041 -7.03 0.3476
2021-08-16 2021-06-30 13F MERCK & CO INC COM 58933Y105 42,055 -1,348 -3.11 3,271 -2.24 0.3613
2021-05-13 2021-03-31 13F MERCK & CO INC COM 58933Y105 43,403 -5,781 -11.75 3,346 -25.21 0.3740
2021-02-16 2020-12-31 13F MERCK & CO INC COM 58933Y105 49,184 -120 -0.24 4,474 9.39 0.6379
2020-11-13 2020-09-30 13F MERCK & CO INC COM 58933Y105 49,304 -2,728 -5.24 4,090 1.67 0.5787
2020-08-13 2020-06-30 13F MERCK & CO INC COM 58933Y105 52,032 -1,156 -2.17 4,023 -1.69 0.6501
2020-05-11 2020-03-31 13F MERCK & CO INC COM 58933Y105 53,188 -1,980 -3.59 4,092 -18.45 0.7994
2020-02-14 2019-12-31 13F MERCK & CO INC COM 58933Y105 55,168 689 1.26 5,018 9.42 0.6764
2019-11-14 2019-09-30 13F MERCK & CO INC COM 58933Y105 54,479 3,608 7.09 4,586 7.50 0.6486
2019-08-14 2019-06-30 13F MERCK & CO INC COM 58933Y105 50,871 6,277 14.08 4,266 15.02 0.5624
2019-05-15 2019-03-31 13F MERCK & CO INC COM 58933Y105 44,594 2,202 5.19 3,709 14.51 0.5128
2019-02-14 2018-12-31 13F MERCK & CO INC COM 58933Y105 42,392 38,358 950.87 3,239 1,032.52 0.5010
2018-11-14 2018-09-30 13F MERCK & CO INC COM 58933Y105 4,034 93 2.36 286 19.17 0.0374
2018-08-14 2018-06-30 13F MERCK & CO INC COM 58933Y105 3,941 202 5.40 240 18.23 0.0343
2018-05-15 2018-03-31 13F MERCK & CO INC COM 58933Y105 3,739 -135 -3.48 203 -6.88 0.0289
2018-02-14 2017-12-31 13F MERCK & CO INC COM 58933Y105 3,874 -52,052 -93.07 218 -93.91 0.0299
2017-11-14 2017-09-30 13F MERCK & CO INC COM 58933Y105 55,926 4,367 8.47 3,581 8.35 0.5033
2017-08-14 2017-06-30 13F MERCK & CO INC COM 58933Y105 51,559 46,238 868.97 3,305 874.93 0.5530
2017-05-15 2017-03-31 13F MERCK & CO INC COM 58933Y105 5,321 -56,080 -91.33 339 -90.62 0.0575
2017-01-17 2016-12-31 13F MERCK & CO INC COM 58933Y105 61,401 56,542 1,163.66 3,615 1,089.14 0.6248
2016-11-14 2016-09-30 13F MERCK & CO INC COM 58933Y105 4,859 0 0.00 304 8.57 0.0552
2016-08-12 2016-06-30 13F MERCK & CO INC COM 58933Y105 4,859 0 0.00 280 8.95 0.0533
2016-05-12 2016-03-31 13F MERCK & CO INC COM 58933Y105 4,859 -260 -5.08 257 -4.81 0.0482
2016-02-08 2015-12-31 13F MERCK & CO INC COM 58933Y105 5,119 -68 -1.31 270 5.47 0.0513
2015-11-12 2015-09-30 13F MERCK & CO INC COM 58933Y105 5,187 -55 -1.05 256 -14.09 0.0508
2015-08-14 2015-06-30 13F MERCK & CO INC COM 58933Y105 5,242 10 0.19 298 -1.00 0.0533
2015-05-15 2015-03-31 13F MERCK & CO INC COM 58933Y105 5,232 0 0.00 301 1.35 0.0530
2015-02-12 2014-12-31 13F MERCK & CO INC COM 58933Y105 5,232 -80 -1.51 297 -5.71 0.0510
2014-11-14 2014-09-30 13F MERCK & CO INC COM 58933Y105 5,312 5,312 315 0.0577
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.