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Costello Asset Management, INC

Position in MRK — Merck & Co., Inc.

CIK 1760145 FEASTERVILLE, PA

Position in MRK

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$1,753,768
-$3,428 QoQ
Shares Held
13,648
-6.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.60%
of 13F equity value
Holder Rank
#1,683
of 3,769 holders
Holding Since
Jun 2020
25 quarters on record
Voting authority Sole 0% Shared 0% None 100%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Costello Asset Management, INC holds $28,771,726 across 14 Drug Manufacturers - General names. MRK ranks #3 (6.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MRK
Merck & Co., Inc.
This page
13,648 $1,753,768

All Filings in MRK

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25 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $1,753,768 13,648
2026-03-31 $1,757,196 14,608
2025-12-31 $1,625,109 15,439
2025-09-30 $1,404,400 16,733
2025-06-30 $3,494,676 44,147
2025-03-31 $4,161,453 46,362
2024-12-31 $4,436,509 44,597
2024-09-30 $4,232,608 37,272
2024-06-30 $4,249,435 34,325
2024-03-31 $4,600,040 34,862
2023-12-31 $3,930,934 36,057
2023-09-30 $3,409,704 33,120
2023-06-30 $3,507,394 30,396
2023-03-31 $3,211,169 30,183
2022-12-31 $4,652,133 41,930
2022-09-30 $3,697,992 42,940
2022-06-30 $4,109,943 45,080
2022-03-31 $3,846,668 46,882
2021-12-31 $3,697,726 48,248
2021-09-30 $3,619,175 48,185
2021-06-30 $4,220,811 54,273
2021-03-31 $5,328,617 69,122
2020-12-31 $5,649,350 69,063
2020-09-30 $5,339,825 64,374
2020-06-30 $4,862,280 62,877