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Joel Isaacson & Co., LLC

Position in MRK — Merck & Co., Inc.

CIK 1599330 NEW YORK, NY

Position in MRK

as of Jun 30, 2026 · filed Aug 4, 2026
Position Value
$5,617,763
+$383,705 QoQ
Shares Held
43,718
+0.5% QoQ
Ownership
0.002%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#991
of 3,769 holders
Holding Since
Mar 2020
26 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

Joel Isaacson & Co., LLC holds $52,580,622 across 13 Drug Manufacturers - General names. MRK ranks #3 (10.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MRK
Merck & Co., Inc.
This page
43,718 $5,617,763

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $5,617,763 43,718
2026-03-31 $5,234,058 43,512
2025-12-31 $4,189,453 39,801
2025-09-30 $3,230,633 38,492
2025-06-30 $2,269,042 28,664
2025-03-31 $2,643,252 29,448
2024-12-31 $2,761,465 27,759
2024-09-30 $3,110,067 27,387
2024-06-30 $3,343,095 27,004
2024-03-31 $3,271,964 24,797
2023-12-31 $2,380,015 21,831
2023-09-30 $2,262,120 21,973
2023-06-30 $2,456,653 21,290
2023-03-31 $2,175,249 20,446
2022-12-31 $2,295,888 20,693
2022-09-30 $1,633,954 18,973
2022-06-30 $1,624,922 17,823
2022-03-31 $1,389,106 16,930
2021-12-31 $1,295,675 16,906
2021-09-30 $1,286,183 17,124
2021-06-30 $1,335,466 17,172
2021-03-31 $1,397,179 18,124
2020-12-31 $1,493,340 18,256
2020-09-30 $1,515,994 18,276
2020-06-30 $1,411,273 18,250
2020-03-31 $1,378,456 17,916