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PIN OAK INVESTMENT ADVISORS INC

Position in MRK — Merck & Co., Inc.

CIK 1094584 HOUSTON, TX

Position in MRK

as of Jun 30, 2026 · filed Aug 18, 2026
Position Value
$395,651
+$2,784 QoQ
Shares Held
3,079
-5.7% QoQ
Ownership
0.000%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
#2,891
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

PIN OAK INVESTMENT ADVISORS INC holds $4,178,060 across 13 Drug Manufacturers - General names. MRK ranks #4 (9.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MRK
Merck & Co., Inc.
This page
3,079 $395,651

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $395,651 3,079
2026-03-31 $392,867 3,266
2025-12-31 $436 3,573
2025-09-30 $299,714 3,571
2025-06-30 $464 5,171
2025-03-31 $461 3,665
2024-12-31 $416 3,664
2024-09-30 $416,083 3,664
2024-06-30 $466,107 3,765
2024-03-31 $501,410 3,800
2023-12-31 $422,997 3,880
2023-09-30 $381,532 3,706
2023-06-30 $441,712 3,828
2023-03-31 $325,340 3,058
2022-12-31 $277,818 2,504
2022-09-30 $224,256 2,604
2022-06-30 $216,072 2,370
2022-03-31 $194,540 2,371
2021-12-31 $181,713 2,371
2021-09-30 $178,085 2,371
2021-06-30 $184,392 2,371
2021-03-31 $182,780 2,371
2020-12-31 $193,947 2,371
2020-09-30 $196,674 2,371
2020-06-30 $183,349 2,371
2020-03-31 $182,424 2,371