Merck & Co., Inc.
BG ˙ BUL ˙ US58933Y1055
SecurityBG:6MK / Merck & Co., Inc.
InstitutionBerkeley Capital Partners, LLC
Latest Disclosed Ownership17,179 shares
Latest Disclosed Value $ 2,066,462
Berkeley Capital Partners, LLC reports 24.20% decrease in ownership of 6MK / Merck & Co., Inc.

On May 6, 2026 - Berkeley Capital Partners, LLC filed a 13F-HR form disclosing ownership of 17,179 shares of Merck & Co., Inc. (BG:6MK) valued at $2,066,462 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 22,665 shares of Merck & Co., Inc.. This represents a change in shares of -24.20% 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)
2026-05-06 2026-03-31 13F MERCK COM 58933Y105 17,179 -5,486 -24.20 2,066 -13.38 0.4792
2026-02-05 2025-12-31 13F MERCK COM 58933Y105 22,665 -1,153 -4.84 2,386 19.31 0.5618
2025-11-10 2025-09-30 13F MERCK COM 58933Y105 23,818 907 3.96 1,999 10.26 0.4727
2025-07-30 2025-06-30 13F MERCK COM 58933Y105 22,911 537 2.40 1,814 -9.71 0.4599
2025-05-05 2025-03-31 13F MERCK COM 58933Y105 22,374 11,928 114.19 2,008 93.26 0.5522
2025-02-11 2024-12-31 13F MERCK COM 58933Y105 10,446 -7,247 -40.96 1,039 -48.28 0.2888
2024-11-14 2024-09-30 13F MERCK COM 58933Y105 17,693 12,839 264.50 2,009 234.83 0.5736
2024-08-14 2024-06-30 13F MERCK COM 58933Y105 4,854 499 11.46 601 4.53 0.1809
2024-05-14 2024-03-31 13F MERCK COM 58933Y105 4,355 -11,811 -73.06 575 -67.42 0.1752
2024-02-09 2023-12-31 13F MERCK COM 58933Y105 16,166 -169 -1.03 1,762 4.82 0.5828
2023-11-14 2023-09-30 13F MERCK COM 58933Y105 16,335 201 1.25 1,682 -9.67 0.6071
2023-08-03 2023-06-30 13F MERCK COM 58933Y105 16,134 1,475 10.06 1,862 19.37 0.6593
2023-05-02 2023-03-31 13F MERCK COM 58933Y105 14,659 21 0.14 1,560 -4.00 0.5779
2023-02-10 2022-12-31 13F MERCK COM 58933Y105 14,638 -244 -1.64 1,624 26.68 0.6282
2022-11-04 2022-09-30 13F MERCK COM 58933Y105 14,882 3,229 27.71 1,282 20.72 0.5548
2022-08-04 2022-06-30 13F MERCK COM 58933Y105 11,653 1,643 16.41 1,062 29.35 0.4381
2022-05-05 2022-03-31 13F MERCK COM 58933Y105 10,010 5,487 121.31 821 136.60 0.3272
2022-02-14 2021-12-31 13F MERCK COM 58933Y105 4,523 1,347 42.41 347 45.19 0.1425
2021-11-04 2021-09-30 13F MERCK COM 58933Y105 3,176 3,176 239 0.1100
2021-05-04 2021-03-31 13F MERCK & CO. COM 58933Y105 0 -3,099 -100.00 0 -100.00
2021-01-28 2020-12-31 13F MERCK & CO. COM 58933Y105 3,099 -674 -17.86 253 -19.17 0.1299
2020-11-03 2020-09-30 13F MERCK & CO. COM 58933Y105 3,773 3,773 313 0.1910
2020-07-30 2020-06-30 13F MERCK & CO. COM 58933Y105 0 -6,813 -100.00 0 -100.00
2020-04-21 2020-03-31 13F MERCK & CO. COM 58933Y105 6,813 2,114 44.99 524 22.72 0.3560
2020-01-24 2019-12-31 13F MERCK COM 58933Y105 4,699 -533 -10.19 427 -2.95 0.2187
2019-11-01 2019-09-30 13F MERCK COM 58933Y105 5,232 950 22.19 440 22.56 0.2321
2019-08-08 2019-06-30 13F Merck COM 58933Y105 4,282 350 8.90 359 9.79 0.1674
2019-04-30 2019-03-31 13F Merck COM 58933Y105 3,932 -39 -0.98 327 7.92 0.1617
2019-01-28 2018-12-31 13F Merck COM 58933Y105 3,971 -233 -5.54 303 1.68 0.1686
2018-10-30 2018-09-30 13F Merck COM 58933Y105 4,204 57 1.37 298 18.73 0.1678
2018-08-07 2018-06-30 13F Merck COM 58933Y105 4,147 -3,984 -49.00 251 -43.21 0.1468
2018-04-27 2018-03-31 13F Merck COM 58933Y105 8,131 -1,096 -11.88 442 -14.84 0.2552
2018-02-02 2017-12-31 13F Merck COM 58933Y105 9,227 5,443 143.84 519 114.46 0.3416
2017-11-08 2017-09-30 13F Merck COM 58933Y105 3,784 3,784 242 0.1617
2017-05-10 2017-03-31 13F MERCK COM 58933Y105 0 -4,267 -100.00 0 -100.00
2017-02-06 2016-12-31 13F MERCK COM 58933Y105 4,267 -225 -5.01 251 -10.36 0.1807
2016-11-01 2016-09-30 13F MERCK COM 58933Y105 4,492 -3,785 -45.73 280 -41.30 0.1996
2016-08-12 2016-06-30 13F Merck COM 58933Y105 8,277 -3,209 -27.94 477 -21.55 0.3347
2016-05-11 2016-03-31 13F Merck COM 58933Y105 11,486 4,181 57.23 608 57.51 0.4396
2016-05-11 2015-12-31 13F MERCK COM 58933Y105 7,305 7,305 386 0.3138
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.