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THOMPSON INVESTMENT MANAGEMENT, INC.

Position in MRK — Merck & Co., Inc.

CIK 1277279 MADISON, WI

Position in MRK

as of Jun 30, 2026 · filed Jul 13, 2026
Position Value
$3,144,395
+$202,944 QoQ
Shares Held
24,470
+0.1% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.39%
of 13F equity value
Holder Rank
#1,310
of 3,769 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

THOMPSON INVESTMENT MANAGEMENT, INC. holds $48,347,417 across 11 Drug Manufacturers - General names. MRK ranks #6 (6.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MRK
Merck & Co., Inc.
This page
24,470 $3,144,395

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $3,144,395 24,470
2026-03-31 $2,941,451 24,453
2025-12-31 $2,619,500 24,886
2025-09-30 $2,091,871 24,924
2025-06-30 $1,458,839 18,429
2025-03-31 $1,654,187 18,429
2024-12-31 $1,861,569 18,713
2024-09-30 $2,147,192 18,908
2024-06-30 $2,340,810 18,908
2024-03-31 $2,494,910 18,908
2023-12-31 $2,023,738 18,563
2023-09-30 $1,911,060 18,563
2023-06-30 $2,118,906 18,363
2023-03-31 $2,091,946 19,663
2022-12-31 $2,244,629 20,231
2022-09-30 $2,029,073 23,561
2022-06-30 $2,263,933 24,832
2022-03-31 $2,414,403 29,426
2021-12-31 $2,717,884 35,463
2021-09-30 $2,663,625 35,463
2021-06-30 $2,950,049 37,933
2021-03-31 $2,391,564 31,023
2020-12-31 $2,522,874 30,842
2020-09-30 $2,481,616 29,917
2020-06-30 $2,313,250 29,914
2020-03-31 $2,303,890 29,944