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Rafferty Asset Management, LLC

Position in MRK — Merck & Co., Inc.

CIK 1389426 New York, NY

Position in MRK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$35,149,119
+$11,926,774 QoQ
Shares Held
273,534
+41.7% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.09%
of 13F equity value
Holder Rank
#392
of 3,768 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Rafferty Asset Management, LLC holds $371,290,075 across 10 Drug Manufacturers - General names. MRK ranks #5 (9.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
5 MRK
Merck & Co., Inc.
This page
273,534 $35,149,119

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $35,149,119 273,534
2026-03-31 $23,222,345 193,053
2025-12-31 $28,380,201 269,620
2025-09-30 $23,487,642 279,848
2025-06-30 $21,245,119 268,382
2025-03-31 $21,337,029 237,712
2024-12-31 $28,892,374 290,434
2024-09-30 $29,625,532 260,880
2024-06-30 $34,488,699 278,584
2024-03-31 $35,048,295 265,618
2023-12-31 $28,552,665 261,903
2023-09-30 $27,607,174 268,161
2023-06-30 $28,661,952 248,392
2023-03-31 $24,396,610 229,313
2022-12-31 $24,501,310 220,832
2022-09-30 $11,917,113 138,378
2022-06-30 $5,841,717 64,075
2022-03-31 $6,793,001 82,791
2021-12-31 $7,420,897 96,828
2021-09-30 $6,845,750 91,143
2021-06-30 $4,562,610 58,668
2021-03-31 $4,343,252 56,340
2020-12-31 $4,307,177 52,655
2020-09-30 $4,536,869 54,694
2020-06-30 $5,117,624 66,179
2020-03-31 $1,996,207 25,945