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O'SHAUGHNESSY ASSET MANAGEMENT, LLC

Position in MRK — Merck & Co., Inc.

CIK 1423442 Stamford, CT

Position in MRK

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$71,749,135
+$22,341,355 QoQ
Shares Held
596,468
+27.1% QoQ
Ownership
0.024%
of shares outstanding
% of Portfolio
0.41%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Mar 31, 2026

O'SHAUGHNESSY ASSET MANAGEMENT, LLC holds $891,059,383 across 15 Drug Manufacturers - General names. MRK ranks #6 (8.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MRK
Merck & Co., Inc.
This page
596,468 $71,749,135

All Filings in MRK

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $71,749,135 596,468
2025-12-31 $49,407,780 469,388
2025-09-30 $31,552,812 375,942
2025-06-30 $24,867,243 314,139
2025-03-31 $24,891,614 277,313
2024-12-31 $28,064,501 282,112
2024-09-30 $29,273,042 257,776
2024-06-30 $36,872,839 297,842
2024-03-31 $36,855,218 279,312
2023-12-31 $27,357,260 250,938
2023-09-30 $30,391,457 295,206
2023-06-30 $41,405,162 358,828
2023-03-31 $30,480,203 286,495
2022-12-31 $32,512,898 293,041
2022-09-30 $19,338,762 224,556
2022-06-30 $17,676,313 193,883
2022-03-31 $14,041,052 171,128
2021-12-31 $11,712,814 152,829
2021-09-30 $10,413,926 138,649
2021-06-30 $1,952,649 25,108
2021-03-31 $1,599,250 21,741
2020-12-31 $2,040,003 26,136
2020-09-30 $1,515,816 19,151
2020-06-30 $955,483 12,949
2020-03-31 $194,699 2,652