Merck & Co., Inc.
US ˙ NYSE ˙ US58933Y1055

SecurityMRK / Merck & Co., Inc.
InstitutionCIBC Private Wealth Group, LLC
Latest Disclosed Ownership396,195 shares
Latest Disclosed Value $ 41,703,481
CIBC Private Wealth Group, LLC reports 0.87% increase in ownership of MRK / Merck & Co., Inc.

On February 12, 2026 - CIBC Private Wealth Group, LLC filed a 13F-HR form disclosing ownership of 396,195 shares of Merck & Co., Inc. (US:MRK) valued at $41,703,486 USD as of December 31, 2025. The entity filed a previous 13F-HR on November 24, 2025 disclosing 392,779 shares of Merck & Co., Inc.. This represents a change in shares of 0.87% during the quarter. The current value of the position is $45,443,566 USD.

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)
2026-02-12 2025-12-31 13F MERCK COM 58933Y105 396,195 3,416 0.87 41,703 26.51 0.0705
2025-11-24 2025-09-30 13F MERCK COM 58933Y105 392,779 -16,094 -3.94 32,966 1.85 0.0564
2025-08-12 2025-06-30 13F MERCK COM 58933Y105 408,873 -604,959 -59.67 32,366 -59.56 0.0578
2025-05-14 2025-03-31 13F MERCK COM 58933Y105 1,013,832 -13,346 -1.30 80,042 -21.96 0.1690
2025-02-12 2024-12-31 13F Merck COM 58933Y105 1,027,178 -52,280 -4.84 102,564 -16.33 0.1860
2024-11-13 2024-09-30 13F Merck COM 58933Y105 1,079,458 -43,481 -3.87 122,583 -13.21 0.2197
2024-08-09 2024-06-30 13F Merck COM 58933Y105 1,122,939 -13,821 -1.22 141,243 -5.14 0.2649
2024-05-10 2024-03-31 13F Merck COM 58933Y105 1,136,760 -9,485 -0.83 148,904 19.16 0.2917
2024-02-13 2023-12-31 13F MERCK & CO INC COM COM 58933Y105 1,146,245 35,684 3.21 124,964 9.30 0.2647
2023-11-13 2023-09-30 13F MERCK & CO INC COM COM 58933Y105 1,110,561 -61,382 -5.24 114,332 -15.45 0.2706
2023-11-21 2023-06-30 13F/A-1 MERCK & CO INC COM COM 58933Y105 1,171,943 27,273 2.38 135,230 84.63 0.2957
2023-08-10 2023-06-30 13F MERCK & CO INC COM COM 58933Y105 1,171,943 27,273 135,230 0.2957
2023-11-21 2023-03-31 13F/A-1 MERCK & CO INC NEW COM COM 58933Y105 1,144,670 -36,249 -3.07 73,245 36.11 0.1622
2023-05-12 2023-03-31 13F MERCK & CO INC NEW COM COM 58933Y105 1,144,670 -36,249 73,245 0.1592
2023-06-01 2022-12-31 13F/A-2 MERCK & CO INC NEW COM COM 58933Y105 1,180,919 40,184 3.52 53,814 -45.22 0.1808
2023-02-14 2022-12-31 13F/A-1 MERCK & CO INC COM COM 58933Y105 1,180,919 40,184 131,023 0.3236
2023-02-13 2022-12-31 13F MERCK & CO INC COM COM 58933Y105 1,180,919 40,184 131,023 0.0001
2022-11-15 2022-09-30 13F MERCK & CO INC COM COM 58933Y105 1,140,735 -15,558 -1.35 98,240 -6.81 0.2646
2022-08-03 2022-06-30 13F MERCK COM 58933Y105 1,156,293 75,604 7.00 105,420 18.89 0.2738
2022-05-16 2022-03-31 13F MERCK COM 58933Y105 1,080,689 61,357 6.02 88,670 13.50 0.1935
2022-04-04 2021-12-31 13F/A-1 MERCK COM 58933Y105 1,019,332 27,719 2.80 78,121 4.89 0.1620
2022-02-08 2021-12-31 13F MERCK COM 58933Y105 1,019,332 27,719 78,121 0.1620
2021-11-12 2021-09-30 13F MERCK COM 58933Y105 991,613 -22,071 -2.18 74,479 -5.52 0.1733
2021-08-16 2021-06-30 13F MERCK COM 58933Y105 1,013,684 -11,997 -1.17 78,834 -0.30 0.1811
2021-05-12 2021-03-31 13F MERCK & CO. COM 58933Y105 1,025,681 -29,970 -2.84 79,070 -8.43 0.1991
2021-02-12 2020-12-31 13F MERCK & CO. COM 58933Y105 1,055,651 -5,764 -0.54 86,352 -1.82 0.2283
2020-11-03 2020-09-30 13F/A-1 MERCK & CO. COM 58933Y105 1,061,415 534,522 101.45 87,956 115.87 0.2694
2020-10-29 2020-09-30 13F MERCK COMMON STOCK, R 58933Y105 12,926 -513,967 1,072 47,115.7223
2020-08-13 2020-06-30 13F MERCK & CO INC NEW COM Com 58933Y105 526,893 -1,238,381 -70.15 40,745 -70.00 0.1980
2020-05-15 2020-03-31 13F MERCK & CO. COM 58933Y105 1,765,274 -558,655 -24.04 135,820 -35.74 0.5825
2020-01-30 2019-12-31 13F MERCK COM 58933Y105 2,323,929 16,836 0.73 211,362 8.83 0.6894
2019-10-16 2019-09-30 13F MERCK COM 58933Y105 2,307,093 22,094 0.97 194,210 1.36 0.6831
2019-07-31 2019-06-30 13F MERCK COM 58933Y105 2,284,999 207,887 10.01 191,598 10.91 0.6723
2019-05-10 2019-03-31 13F MERCK COM 58933Y105 2,077,112 -24,944 -1.19 172,753 7.56 0.6664
2019-02-05 2018-12-31 13F MERCK COM 58933Y105 2,102,056 -392,038 -15.72 160,618 -9.22 0.7161
2018-11-14 2018-09-30 13F MERCK COM 58933Y105 2,494,094 -18,721 -0.75 176,931 16.00 0.6708
2018-08-02 2018-06-30 13F MERCK COM 58933Y105 2,512,815 287 0.01 152,527 11.45 0.6219
2018-05-17 2018-03-31 13F MERCK COM 58933Y105 2,512,528 -2,576 -0.10 136,857 -3.30 0.5948
2018-02-12 2017-12-31 13F MERCK COM 58933Y105 2,515,104 -697,880 -21.72 141,524 -31.21 0.6002
2017-12-21 2017-09-30 13F/A-1 MERCK & CO INC NEW COM COM 58933Y105 3,212,984 1,200,259 59.63 205,729 59.49 0.9377
2017-11-14 2017-09-30 13F MERCK & CO INC NEW COM COM 58933Y105 3,212,984 1,200,259 205,729
2017-08-09 2017-06-30 13F MERCK & CO INC NEW COM Com 58933Y105 2,012,725 -14,959 -0.74 128,994 0.12 0.8099
2017-05-10 2017-03-31 13F MERCK & CO INC NEW COM Com 58933Y105 2,027,684 4,998 0.25 128,839 8.20 0.8094
2017-02-13 2016-12-31 13F MERCK & CO INC NEW COM Com 58933Y105 2,022,686 11,180 0.56 119,077 -5.15 0.7873
2016-11-09 2016-09-30 13F MERCK & CO INC NEW COM Com 58933Y105 2,011,506 24,840 1.25 125,539 9.69 0.8707
2016-08-11 2016-06-30 13F MERCK & CO INC NEW COM Com 58933Y105 1,986,666 16,122 0.82 114,452 9.77 0.8355
2016-05-11 2016-03-31 13F MERCK & CO INC NEW COM Com 58933Y105 1,970,544 53,764 2.80 104,262 2.98 0.8057
2016-02-10 2015-12-31 13F MERCK & CO INC NEW COM Com 58933Y105 1,916,780 46,324 2.48 101,245 9.59 0.7922
2015-11-12 2015-09-30 13F MERCK & CO INC NEW COM Com 58933Y105 1,870,456 25,160 1.36 92,382 -12.06 0.7601
2015-08-13 2015-06-30 13F MERCK & CO INC NEW COM Com 58933Y105 1,845,296 9,833 0.54 105,052 -0.43 0.7646
2015-05-11 2015-03-31 13F MERCK & CO INC NEW COM Com 58933Y105 1,835,463 54,854 3.08 105,501 4.33 0.7794
2015-02-12 2014-12-31 13F MERCK & CO INC NEW COM Com 58933Y105 1,780,609 43,226 2.49 101,120 -1.82 0.7740
2014-11-12 2014-09-30 13F MERCK & CO INC NEW COM Com 58933Y105 1,737,383 1,700 0.10 102,991 2.57 0.8100
2014-08-13 2014-06-30 13F MERCK & CO INC NEW COM Com 58933Y105 1,735,683 -8,738 -0.50 100,410 1.95 0.8148
2014-05-14 2014-03-31 13F MERCK & CO INC NEW COM COM 58933Y105 1,744,421 1,744,421 98,489 0.8374
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.