Merck & Co., Inc.
MX ˙ BMV ˙ US58933Y1055
SecurityMX:MRK / Merck & Co., Inc.
InstitutionExchange Traded Concepts, Llc
Latest Disclosed Ownership88,552 shares
Latest Disclosed Value $ 10,651,920
Exchange Traded Concepts, Llc reports 71.86% decrease in ownership of MRK / Merck & Co., Inc.

On April 15, 2026 - Exchange Traded Concepts, Llc filed a 13F-HR form disclosing ownership of 88,552 shares of Merck & Co., Inc. (MX:MRK) valued at $10,651,920 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 14, 2026 disclosing 314,728 shares of Merck & Co., Inc.. This represents a change in shares of -71.86% 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)
2026-04-15 2026-03-31 13F MERCK COM 58933Y105 88,552 -226,176 -71.86 10,652 -67.85 0.0363
2026-01-14 2025-12-31 13F MERCK COM 58933Y105 314,728 219,579 230.77 33,128 314.88 0.2520
2025-10-14 2025-09-30 13F MERCK COM 58933Y105 95,149 62,033 187.32 7,986 204.65 0.0679
2025-07-10 2025-06-30 13F MERCK COM 58933Y105 33,116 3,132 10.45 2,621 -2.60 0.0320
2025-04-17 2025-03-31 13F MERCK COM 58933Y105 29,984 -89,096 -74.82 2,691 -77.28 0.0461
2025-01-21 2024-12-31 13F MERCK COM 58933Y105 119,080 -51,604 -30.23 11,846 -38.88 0.2356
2024-10-10 2024-09-30 13F MERCK COM 58933Y105 170,684 28,668 20.19 19,383 10.24 0.4531
2024-08-13 2024-06-30 13F MERCK COM 58933Y105 142,016 6,938 5.14 17,582 -1.36 0.4444
2024-04-15 2024-03-31 13F MERCK COM 58933Y105 135,078 56,862 72.70 17,824 109.02 0.4597
2024-01-05 2023-12-31 13F MERCK COM 58933Y105 78,216 -11,132 -12.46 8,527 -7.30 0.2279
2023-10-18 2023-09-30 13F MERCK COM 58933Y105 89,348 -53,111 -37.28 9,198 -44.04 0.2604
2023-07-20 2023-06-30 13F MERCK COM 58933Y105 142,459 -65,632 -31.54 16,438 -25.75 0.4049
2023-04-12 2023-03-31 13F MERCK COM 58933Y105 208,091 9,191 4.62 22,139 0.32 0.6067
2023-01-27 2022-12-31 13F/A-1 MERCK COM 58933Y105 198,900 45,366 29.55 22,068 66.90 0.6322
2023-01-18 2022-12-31 13F MERCK COM 58933Y105 198,900 45,366 22 0.6322
2022-10-07 2022-09-30 13F MERCK COM 58933Y105 153,534 16,162 11.77 13,222 5.57 0.4327
2022-07-20 2022-06-30 13F MERCK COM 58933Y105 137,372 -15,850 -10.34 12,524 -0.38 0.3643
2022-04-26 2022-03-31 13F MERCK COM 58933Y105 153,222 -10,489 -6.41 12,572 0.20 0.2522
2022-01-13 2021-12-31 13F MERCK COM 58933Y105 163,711 161,244 6,536.04 12,547 6,682.16 0.2430
2021-10-18 2021-09-30 13F MERCK COM 58933Y105 2,467 -427 -14.75 185 -17.78 0.0047
2021-07-30 2021-06-30 13F MERCK COM 58933Y105 2,894 -128,696 -97.80 225 -97.78 0.0071
2021-04-20 2021-03-31 13F MERCK & CO. COM 58933Y105 131,590 70,756 116.31 10,144 103.86 0.3795
2021-01-19 2020-12-31 13F MERCK & CO. COM 58933Y105 60,834 7,830 14.77 4,976 13.17 0.2310
2020-10-30 2020-09-30 13F MERCK & CO. COM 58933Y105 53,004 3,916 7.98 4,397 15.83 0.2488
2020-07-15 2020-06-30 13F MERCK & CO. COM 58933Y105 49,088 48,880 23,500.00 3,796 23,625.00 0.6297
2020-04-14 2020-03-31 13F MERCK & CO. COM 58933Y105 208 4 1.96 16 -15.79 0.0087
2020-01-22 2019-12-31 13F MERCK COM 58933Y105 204 204 19 0.0040
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.