Merck & Co., Inc.
DE ˙ XTRA ˙ US58933Y1055
102,78 € ↑2,84 (2,84%)
2026-06-04
DEL PRIS
SecurityDE:6MK / Merck & Co., Inc.
InstitutionWest Paces Advisors Inc.
Latest Disclosed Ownership7,577 shares
Latest Disclosed Value $ 911,461
West Paces Advisors Inc. reports 1.88% decrease in ownership of 6MK / Merck & Co., Inc.

On May 5, 2026 - West Paces Advisors Inc. filed a 13F-HR form disclosing ownership of 7,577 shares of Merck & Co., Inc. (DE:6MK) valued at $789,523 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 21, 2026 disclosing 7,722 shares of Merck & Co., Inc.. This represents a change in shares of -1.88% during the quarter. The current value of the position is $778,764 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.

Upgrade to unlock premium data and export to Excel .

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)
2026-05-05 2026-03-31 13F MERCK COM 58933Y105 7,577 -145 -1.88 911 12.19 0.1766
2026-01-21 2025-12-31 13F MERCK COM 58933Y105 7,722 -1,233 -13.77 813 8.12 0.1572
2025-10-22 2025-09-30 13F MERCK COM 58933Y105 8,955 -8,911 -49.88 752 -46.89 0.1496
2025-07-23 2025-06-30 13F MERCK COM 58933Y105 17,866 -3,216 -15.25 1,414 -25.26 0.3009
2025-04-15 2025-03-31 13F MERCK & CO INC COM Stock 58933Y105 21,082 2,201 11.66 1,892 0.75 0.4310
2025-02-14 2024-12-31 13F MERCK & CO INC COM Stock 58933Y105 18,881 -517 -2.67 1,878 -14.71 0.4585
2024-10-15 2024-09-30 13F MERCK & CO INC COM Stock 58933Y105 19,398 -91 -0.47 2,203 -8.71 0.5395
2024-07-17 2024-06-30 13F MERCK & CO INC COM Stock 58933Y105 19,489 -68 -0.35 2,413 -6.51 0.6291
2024-04-15 2024-03-31 13F MERCK & CO INC COM Stock 58933Y105 19,557 -754 -3.71 2,581 16.53 0.6801
2024-01-30 2023-12-31 13F MERCK & CO INC COM Stock 58933Y105 20,311 -92 -0.45 2,214 5.43 0.6222
2023-12-18 2023-09-30 13F MERCK & CO INC COM Stock 58933Y105 20,403 -1,318 -6.07 2,100 -16.20 0.6579
2023-12-18 2023-06-30 13F MERCK & CO INC COM Stock 58933Y105 21,721 -106 -0.49 2,506 7.92 0.7385
2023-12-18 2023-03-31 13F MERCK & CO INC COM Stock 58933Y105 21,827 321 1.49 2,322 -2.68 0.7214
2023-12-18 2022-12-31 13F MERCK & CO INC COM Stock 58933Y105 21,506 69 0.32 2,386 29.25 0.7593
2023-12-19 2022-09-30 13F MERCK & CO INC COM Stock 58933Y105 21,437 14 0.07 1,846 -5.48 0.6562
2023-12-19 2022-06-30 13F MERCK & CO INC COM Stock 58933Y105 21,423 513 2.45 1,953 13.88 0.6649
2023-12-19 2022-03-31 13F MERCK & CO INC COM Stock 58933Y105 20,910 1,454 7.47 1,716 15.02 0.5351
2023-12-20 2021-12-31 13F MERCK & CO INC COM Stock 58933Y105 19,456 -487 -2.44 1,491 -0.40 0.4653
2023-12-20 2021-09-30 13F MERCK & CO INC COM Stock 58933Y105 19,943 544 2.80 1,498 -0.73 0.5256
2023-12-20 2021-06-30 13F MERCK & CO INC COM Stock 58933Y105 19,399 10 0.05 1,509 0.94 0.5547
2023-12-20 2021-03-31 13F MERCK & CO INC COM Stock 58933Y105 19,389 1,166 6.40 1,495 0.27 0.6007
2023-12-20 2020-12-31 13F MERCK & CO INC COM Stock 58933Y105 18,223 1,754 10.65 1,491 9.08 0.6637
2023-12-20 2020-09-30 13F MERCK & CO INC COM Stock 58933Y105 16,469 3,101 23.20 1,366 32.24 0.6985
2023-12-20 2020-06-30 13F MERCK & CO INC COM Stock 58933Y105 13,368 5,878 78.48 1,034 79.34 0.5590
2023-12-21 2020-03-31 13F MERCK & CO INC COM Stock 58933Y105 7,490 3,271 77.53 576 50.39 0.3657
2023-12-22 2019-12-31 13F MERCK & CO INC COM Stock 58933Y105 4,219 691 19.59 384 29.39 0.2087
2023-12-22 2019-09-30 13F MERCK & CO INC COM Stock 58933Y105 3,528 0 0.00 297 0.34 0.1774
2023-12-22 2019-06-30 13F MERCK & CO INC COM Stock 58933Y105 3,528 0 0.00 296 0.68 0.1847
2023-12-22 2019-03-31 13F MERCK & CO INC COM Stock 58933Y105 3,528 0 0.00 293 8.92 0.2055
2023-12-22 2018-12-31 13F MERCK & CO INC COM Stock 58933Y105 3,528 0 0.00 270 7.60 0.2079
2023-12-21 2018-09-30 13F MERCK & CO INC COM Stock 58933Y105 3,528 -53 -1.48 250 15.21 0.1801
2023-12-22 2018-06-30 13F MERCK & CO INC COM Stock 58933Y105 3,581 171 5.01 217 17.30 0.1625
2023-12-22 2018-03-31 13F MERCK & CO INC COM Stock 58933Y105 3,410 -4,209 -55.24 186 -56.78 0.1382
2023-12-22 2017-12-31 13F MERCK & CO INC COM Stock 58933Y105 7,619 -7,250 -48.76 429 -55.04 0.3173
2023-12-22 2017-09-30 13F MERCK & CO INC COM Stock 58933Y105 14,869 -212 -1.41 952 -1.45 0.7177
2023-12-22 2017-06-30 13F MERCK & CO INC COM Stock 58933Y105 15,081 -25 -0.17 967 0.73 0.7672
2023-12-22 2017-03-31 13F MERCK & CO INC COM Stock 58933Y105 15,106 569 3.91 960 12.16 0.7654
2023-12-22 2016-12-31 13F MERCK & CO INC COM Stock 58933Y105 14,537 14,537 856 0.7987
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.