Position in MRK
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$12,210,036
+$12,020,568 QoQ
Shares Held
101,505
+5539.2% QoQ
Ownership
0.004%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2020
16 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MRK Over Time
Shares Held
Position Value (USD)
Derivatives in MRK
reported options exposure · as of Mar 31, 2026CallValue
$0
CallShares
0
PutValue
$96,232,000
PutShares
800,000
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 Mar 31, 2026Hudson Bay Capital Management LP holds $179,007,948 across 10 Drug Manufacturers - General names. MRK ranks #5 (6.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
67,004 | $61,628,269 | |
| 2 | JNJ |
Johnson & Johnson
|
164,590 | $40,232,379 | |
| 3 | BIIB |
Biogen Inc.
|
201,367 | $36,916,612 | |
| 4 | GILD |
Gilead Sciences, Inc.
|
100,010 | $13,938,393 | |
| 5 | MRK |
Merck & Co., Inc.
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|
101,505 | $12,210,036 | |
| 6 | NVO |
Novo Nordisk A S
|
125,038 | $4,595,146 | |
| 7 | ABBV |
AbbVie Inc.
|
20,010 | $4,351,974 | |
| 8 | PFE |
Pfizer Inc
|
90,000 | $2,527,200 |
All Filings in MRK
Export CSV
28 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $12,210,036 | 101,505 | Shares | Sole | 2026-05-13 | |
| 2026-03-31 | $96,232,000 | 800,000 | Put | Sole | 2026-05-13 | |
| 2025-12-31 | $189,468 | 1,800 | Shares | Defined | 2026-02-13 | |
| 2025-12-31 | $36,841,000 | 350,000 | Put | Sole | 2026-02-13 | |
| 2025-09-30 | $14,687,750 | 175,000 | Call | Sole | 2025-12-15 | |
| 2025-09-30 | $50,358,000 | 600,000 | Put | Sole | 2025-12-15 | |
| 2025-09-30 | $8,834,051 | 105,255 | Shares | Sole | 2025-12-15 | |
| 2025-06-30 | $688,692 | 8,700 | Call | Sole | 2025-08-18 | |
| 2025-06-30 | $56,995,200 | 720,000 | Put | Sole | 2025-08-18 | |
| 2025-06-30 | $14,071,085 | 177,755 | Shares | Sole | 2025-08-18 | |
| 2025-03-31 | $99,588,720 | 1,109,500 | Put | Sole | 2025-05-14 | |
| 2025-03-31 | $32,541,590 | 362,540 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $53,719,200 | 540,000 | Put | Sole | 2025-02-14 | |
| 2024-12-31 | $25,133,423 | 252,648 | Shares | Sole | 2025-02-14 | |
| 2024-12-31 | $5,769,840 | 58,000 | Call | Sole | 2025-02-14 | |
| 2024-09-30 | $19,955,671 | 175,728 | Shares | Sole | 2024-11-13 | |
| 2024-09-30 | $56,780,000 | 500,000 | Put | Sole | 2024-11-13 | |
| 2024-09-30 | $28,390,000 | 250,000 | Call | Sole | 2024-11-13 | |
| 2024-06-30 | $30,405,032 | 245,598 | Shares | Sole | 2024-08-14 | |
| 2023-12-31 | $28,888,119 | 264,980 | Shares | Sole | 2024-02-14 | |
| 2023-06-30 | $115,390,000 | 1,000,000 | Shares | Sole | 2023-08-14 | |
| 2023-06-30 | $115,390,000 | 1,000,000 | Put | Sole | 2023-08-14 | |
| 2022-12-31 | $41,939,100 | 378,000 | Shares | Sole | 2023-02-14 | |
| 2021-12-31 | $1,900,672 | 24,800 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $1,867,610 | 24,865 | Shares | Sole | 2021-12-29 | |
| 2021-06-30 | $3,499,650 | 45,000 | Shares | Sole | 2021-08-16 | |
| 2020-12-31 | $1,170,801 | 15,000 | Shares | Sole | 2021-03-04 | |
| 2020-09-30 | $1,583,016 | 20,000 | Shares | Sole | 2020-11-12 | |
| No filing history on record for this holder in this stock. | ||||||