Merck & Co., Inc.
BG ˙ BUL ˙ US58933Y1055
SecurityBG:6MK / Merck & Co., Inc.
InstitutionBailard, Inc.
Latest Disclosed Ownership24,509 shares
Latest Disclosed Value $ 2,948,304
Bailard, Inc. reports 6.02% decrease in ownership of 6MK / Merck & Co., Inc.

On May 11, 2026 - Bailard, Inc. filed a 13F-HR form disclosing ownership of 24,509 shares of Merck & Co., Inc. (BG:6MK) valued at $2,948,304 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 4, 2026 disclosing 26,080 shares of Merck & Co., Inc.. This represents a change in shares of -6.02% 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)
2026-05-11 2026-03-31 13F MERCK COM 58933Y105 24,509 -1,571 -6.02 2,948 7.40 0.0678
2026-02-04 2025-12-31 13F MERCK COM 58933Y105 26,080 -2,964 -10.21 2,745 12.64 0.0608
2025-10-30 2025-09-30 13F MERCK COM 58933Y105 29,044 -30,041 -50.84 2,438 -47.89 0.0530
2025-08-08 2025-06-30 13F MERCK COM 58933Y105 59,085 9,336 18.77 4,677 4.75 0.1090
2025-05-02 2025-03-31 13F MERCK COM 58933Y105 49,749 2,572 5.45 4,465 -4.86 0.1153
2025-02-05 2024-12-31 13F MERCK COM 58933Y105 47,177 3,461 7.92 4,693 -5.46 0.1200
2024-10-30 2024-09-30 13F MERCK COM 58933Y105 43,716 722 1.68 4,964 -6.73 0.1292
2024-07-25 2024-06-30 13F MERCK COM 58933Y105 42,994 92 0.21 5,323 -5.97 0.1466
2024-05-08 2024-03-31 13F MERCK COM 58933Y105 42,902 -2,674 -5.87 5,661 13.93 0.1562
2024-02-02 2023-12-31 13F MERCK COM 58933Y105 45,576 -2,102 -4.41 4,969 1.22 0.1472
2023-10-24 2023-09-30 13F MERCK COM 58933Y105 47,678 3,698 8.41 4,908 -3.27 0.1626
2023-07-20 2023-06-30 13F MERCK COM 58933Y105 43,980 -373 -0.84 5,075 7.55 0.1775
2023-05-08 2023-03-31 13F MERCK COM 58933Y105 44,353 120 0.27 4,719 -3.85 0.1691
2023-02-02 2022-12-31 13F MERCK COM 58933Y105 44,233 -1,165 -2.57 4,908 25.50 0.1869
2022-10-18 2022-09-30 13F MERCK COM 58933Y105 45,398 3,082 7.28 3,910 1.35 0.1617
2022-07-27 2022-06-30 13F MERCK COM 58933Y105 42,316 8,717 25.94 3,858 39.93 0.1519
2022-04-25 2022-03-31 13F MERCK COM 58933Y105 33,599 1,575 4.92 2,757 12.35 0.0927
2022-02-10 2021-12-31 13F MERCK COM 58933Y105 32,024 -564 -1.73 2,454 0.25 0.0782
2021-11-15 2021-09-30 13F MERCK COM 58933Y105 32,588 -2,017 -5.83 2,448 -9.03 0.0837
2021-08-13 2021-06-30 13F MERCK COM 58933Y105 34,605 -72,097 -67.57 2,691 -67.29 0.0930
2021-05-13 2021-03-31 13F MERCK & CO. COM 58933Y105 106,702 -257 -0.24 8,226 -5.98 0.3049
2021-02-03 2020-12-31 13F MERCK & CO. COM 58933Y105 106,959 3,067 2.95 8,749 1.52 0.3990
2020-11-10 2020-09-30 13F MERCK & CO. COM 58933Y105 103,892 1,308 1.28 8,618 8.63 0.4463
2020-08-12 2020-06-30 13F MERCK & CO. COM 58933Y105 102,584 17,896 21.13 7,933 21.75 0.4431
2020-04-16 2020-03-31 13F MERCK & CO. COM 58933Y105 84,688 5,898 7.49 6,516 -9.07 0.4640
2020-01-31 2019-12-31 13F MERCK COM 58933Y105 78,790 9,321 13.42 7,166 22.54 0.4038
2019-10-18 2019-09-30 13F MERCK COM 58933Y105 69,469 224 0.32 5,848 0.72 0.3536
2019-07-26 2019-06-30 13F MERCK COM 58933Y105 69,245 -11,639 -14.39 5,806 -13.69 0.3549
2019-04-24 2019-03-31 13F MERCK COM 58933Y105 80,884 -335 -0.41 6,727 8.40 0.4172
2019-02-05 2018-12-31 13F MERCK COM 58933Y105 81,219 2,926 3.74 6,206 11.74 0.4195
2018-11-13 2018-09-30 13F MERCK COM 58933Y105 78,293 1,355 1.76 5,554 18.93 0.3248
2018-08-08 2018-06-30 13F MERCK COM 58933Y105 76,938 -263 -0.34 4,670 11.06 0.2782
2018-05-07 2018-03-31 13F MERCK COM 58933Y105 77,201 570 0.74 4,205 -2.48 0.2684
2018-02-08 2017-12-31 13F MERCK COM 58933Y105 76,631 -4,670 -5.74 4,312 -17.17 0.2714
2018-01-29 2017-09-30 13F/A-1 MERCK COM 58933Y105 81,301 4,481 5.83 5,206 5.75 0.4031
2017-10-11 2017-09-30 13F MERCK COM 58933Y105 81,301 4,481 5,206 0.3970
2018-01-29 2017-06-30 13F/A-1 MERCK COM 58933Y105 76,820 1,843 2.46 4,923 3.34 0.4017
2017-08-11 2017-06-30 13F MERCK COM 58933Y105 76,820 1,843 4,923 0.3902
2018-01-29 2017-03-31 13F/A-1 MERCK COM 58933Y105 74,977 -992 -1.31 4,764 6.53 0.3955
2017-05-12 2017-03-31 13F MERCK COM 58933Y105 74,977 -992 4,764 0.3982
2018-01-29 2016-12-31 13F/A-1 MERCK COM 58933Y105 75,969 3,179 4.37 4,472 -1.56 0.4146
2017-02-10 2016-12-31 13F MERCK COM 58933Y105 75,969 3,179 4,472 0.4047
2018-01-29 2016-09-30 13F/A-1 MERCK COM 58933Y105 72,790 31,573 76.60 4,543 91.28 0.4195
2016-11-08 2016-09-30 13F MERCK COM 58933Y105 72,790 31,573 4,543 0.4141
2018-01-29 2016-06-30 13F/A-1 MERCK COM 58933Y105 41,217 35,939 680.92 2,375 751.25 0.2830
2016-08-08 2016-06-30 13F MERCK COM 58933Y105 41,217 35,939 2,375 0.2868
2018-01-29 2016-03-31 13F/A-1 MERCK & CO INC COM 58933Y105 5,278 5,278 279 0.0390
2016-05-16 2016-03-31 13F MERCK & CO INC COM 58933Y105 5,278 5,278 279 0.0392
2018-01-29 2015-12-31 13F/A-1 MERCK & CO INC COM 58933Y105 0 -5,783 -100.00 0 -100.00
2018-01-29 2015-09-30 13F/A-1 MERCK & CO INC COM 58933Y105 5,783 -178 -2.99 286 -15.63 0.0449
2015-11-13 2015-09-30 13F MERCK & CO INC COM 58933Y105 5,783 -178 286 0.0453
2018-01-29 2015-06-30 13F/A-1 MERCK & CO INC COM 58933Y105 5,961 -940 -13.62 339 -14.61 0.0525
2015-08-06 2015-06-30 13F MERCK & CO INC COM 58933Y105 5,961 -940 339 0.0530
2018-01-29 2015-03-31 13F/A-1 MERCK & CO INC COM 58933Y105 6,901 1,095 18.86 397 20.30 0.0551
2015-05-07 2015-03-31 13F MERCK & CO INC COM 58933Y105 6,901 1,095 397 0.0558
2018-01-29 2014-12-31 13F/A-1 MERCK & CO INC COM 58933Y105 5,806 148 2.62 330 -1.49 0.0467
2015-01-26 2014-12-31 13F MERCK & CO INC COM 58933Y105 5,806 148 330
2014-10-21 2014-09-30 13F MERCK & CO INC COM 58933Y105 5,658 290 5.40 335 7.72 0.0514
2014-07-30 2014-06-30 13F MERCK & CO INC COM 58933Y105 5,368 -1,388 -20.54 311 -19.01 0.0478
2014-04-30 2014-03-31 13F MERCK & CO INC COM 58933Y105 6,756 -2,148 -24.12 384 -13.90 0.0609
2014-01-28 2013-12-31 13F MERCK & CO INC COM 58933Y105 8,904 -3,532 -28.40 446 -24.66 0.0719
2013-10-28 2013-09-30 13F MERCK & CO INC COM 58933Y105 12,436 -32,078 -72.06 592 -71.37 0.1124
2013-07-16 2013-06-30 13F MERCK & CO INC COM 58933Y105 44,514 44,514 2,068 0.3763
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.