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PFM Health Sciences, LP

Position in MRK — Merck & Co., Inc.

CIK 1442756 SAN FRANCISCO, CA

Position in MRK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$16,334,663
-$3,436,743 QoQ
Shares Held
127,118
-32.3% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
1.42%
of 13F equity value
Holder Rank
#569
of 3,769 holders
Holding Since
Sep 2020
14 quarters on record
Voting authority Sole 0% Shared 100% None 0%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Derivatives in MRK

reported options exposure · as of Dec 31, 2022
CallValue
$96,692,925
CallShares
871,500
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

PFM Health Sciences, LP holds $87,605,755 across 4 Drug Manufacturers - General names. MRK ranks #2 (18.6% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MRK
Merck & Co., Inc.
This page
127,118 $16,334,663

All Filings in MRK

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15 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $16,334,663 127,118
2025-12-31 $19,771,406 187,834
2025-09-30 $19,846,759 236,468
2024-09-30 $61,641,617 542,811
2024-06-30 $73,817,111 596,261
2024-03-31 $78,676,638 596,261
2023-12-31 $65,004,374 596,261
2023-09-30 $61,385,069 596,261
2023-06-30 $68,802,556 596,261
2023-03-31 $49,058,344 461,118
2022-12-31 $40,788,992 367,634
2022-12-31 $96,692,925 871,500
2022-09-30 $31,047,982 360,520
2022-06-30 $88,617,057 971,998
2020-09-30 $28,203,013 340,000