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GUYASUTA INVESTMENT ADVISORS INC

Position in MRK — Merck & Co., Inc.

CIK 928568 PITTSBURGH, PA

Position in MRK

as of Jun 30, 2026 · filed Jul 20, 2026
Position Value
$8,438,723
+$433,544 QoQ
Shares Held
65,671
-1.3% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.49%
of 13F equity value
Holder Rank
#806
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

GUYASUTA INVESTMENT ADVISORS INC holds $53,362,618 across 9 Drug Manufacturers - General names. MRK ranks #2 (15.8% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MRK
Merck & Co., Inc.
This page
65,671 $8,438,723

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $8,438,723 65,671
2026-03-31 $8,005,179 66,549
2025-12-31 $7,035,052 66,835
2025-09-30 $5,178,145 61,696
2025-06-30 $5,051,278 63,811
2025-03-31 $5,768,964 64,271
2024-12-31 $6,502,112 65,361
2024-09-30 $7,557,077 66,547
2024-06-30 $8,427,685 68,075
2024-03-31 $8,982,496 68,075
2023-12-31 $7,421,536 68,075
2023-09-30 $7,122,081 69,180
2023-06-30 $8,106,147 70,250
2023-03-31 $7,879,775 74,065
2022-12-31 $8,467,371 76,317
2022-09-30 $6,383,989 74,129
2022-06-30 $6,700,903 73,499
2022-03-31 $6,025,259 73,434
2021-12-31 $5,642,160 73,619
2021-09-30 $5,774,006 76,874
2021-06-30 $5,872,023 75,505
2021-03-31 $5,562,046 72,150
2020-12-31 $6,303,177 77,056
2020-09-30 $6,377,281 76,881
2020-06-30 $5,635,348 72,874
2020-03-31 $5,495,744 71,429