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Oak Grove Capital LLC

Position in MRK — Merck & Co., Inc.

CIK 1661762 Holderness, NH

Position in MRK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$20,416,722
+$10,437,464 QoQ
Shares Held
158,885
+91.5% QoQ
Ownership
0.006%
of shares outstanding
% of Portfolio
1.55%
of 13F equity value
Holder Rank
#516
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)

Derivatives in MRK

reported options exposure · as of Jun 30, 2020
CallValue
$15,466
CallShares
210
PutValue
$0
PutShares
0

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Oak Grove Capital LLC holds $61,174,074 across 4 Drug Manufacturers - General names. MRK ranks #2 (33.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MRK
Merck & Co., Inc.
This page
158,885 $20,416,722

All Filings in MRK

Export CSV
27 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $20,416,722 158,885
2026-03-31 $9,979,258 82,960
2025-12-31 $8,658,687 82,260
2025-09-30 $7,622,102 90,815
2025-06-30 $8,892,042 112,330
2025-03-31 $16,085,889 179,210
2024-12-31 $15,072,214 151,510
2024-09-30 $9,566,067 84,238
2024-06-30 $6,222,311 50,261
2024-03-31 $6,375,428 48,317
2023-12-31 $5,162,424 47,353
2023-09-30 $2,075,472 20,160
2023-06-30 $2,019,325 17,500
2023-03-31 $1,489,460 14,000
2022-12-31 $987,455 8,900
2022-09-30 $766,468 8,900
2022-06-30 $811,413 8,900
2022-03-31 $771,270 9,400
2021-12-31 $720,416 9,400
2021-09-30 $781,144 10,400
2021-06-30 $808,808 10,400
2021-03-31 $801,736 10,400
2020-12-31 $925,648 11,316
2020-09-30 $970,515 11,700
2020-06-30 $1,275,945 16,500
2020-06-30 $15,466 200
2020-03-31 $700,846 9,109