Position in MRK
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$27,165,130,383
+$4,103,141,749 QoQ
Shares Held
225,830,330
+3.1% QoQ
Ownership
9.14%
of shares outstanding
% of Portfolio
0.51%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2024
7 quarters on record
Voting authority
Sole 91.00506384594134.ToString("F0")%
Shared 0.ToString("F0")%
None 8.994936154058669.ToString("F0")%
Common Shares in MRK Over Time
Shares Held
Position Value (USD)
Derivatives in MRK
reported options exposure · as of Mar 31, 2026CallValue
$11,547,840
CallShares
96,000
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 Mar 31, 2026BlackRock, Inc. holds $235,197,977,777 across 20 Drug Manufacturers - General names. MRK ranks #4 (11.5% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
66,380,842 | $61,055,107,035 | |
| 2 | JNJ |
Johnson & Johnson
|
213,385,546 | $52,159,962,852 | |
| 3 | ABBV |
AbbVie Inc.
|
150,698,125 | $32,775,335,197 | |
| 4 | MRK |
Merck & Co., Inc.
This page
|
225,830,330 | $27,165,130,383 | |
| 5 | GILD |
Gilead Sciences, Inc.
|
119,010,973 | $16,586,559,291 | |
| 6 | AMGN |
Amgen Inc
|
47,100,472 | $16,572,301,062 | |
| 7 | PFE |
Pfizer Inc
|
498,257,550 | $13,991,071,992 | |
| 8 | BMY |
Bristol Myers Squibb Co
|
171,682,888 | $10,412,567,149 |
All Filings in MRK
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $11,547,840 | 96,000 | Call | Sole | 2026-05-13 | |
| 2026-03-31 | $27,165,130,383 | 225,830,330 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $23,061,988,634 | 219,095,465 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $18,034,593,026 | 214,876,600 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $17,283,860,254 | 218,340,832 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $20,231,745,202 | 225,398,231 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $22,092,701,931 | 222,081,845 | Shares | Sole | 2025-02-07 | |
| 2024-09-30 | $24,081,503,721 | 212,059,737 | Shares | Sole | 2024-11-13 | |
| 2024-09-30 | $104,815,880 | 923,000 | Put | Sole | 2024-11-13 | |
| No filing history on record for this holder in this stock. | ||||||