Position in MRK
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$10,142,247,857
+$1,044,051,553 QoQ
Shares Held
84,314,971
-2.5% QoQ
Ownership
3.41%
of shares outstanding
% of Portfolio
1.93%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 96.20177417839592.ToString("F0")%
None 3.79822582160409.ToString("F0")%
Common Shares in MRK Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $38,477,015,517 across 12 Drug Manufacturers - General names. MRK ranks #2 (26.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LLY |
ELI LILLY & Co
|
13,427,061 | $12,349,807,890 | |
| 2 | MRK |
Merck & Co., Inc.
This page
|
84,314,971 | $10,142,247,857 | |
| 3 | JNJ |
Johnson & Johnson
|
20,075,375 | $4,907,224,662 | |
| 4 | AZN |
Astrazeneca PLC
|
23,751,085 | $4,684,188,978 | |
| 5 | GILD |
Gilead Sciences, Inc.
|
13,537,991 | $1,886,789,800 | |
| 6 | ABBV |
AbbVie Inc.
|
6,897,816 | $1,500,205,997 | |
| 7 | PFE |
Pfizer Inc
|
49,916,961 | $1,401,668,262 | |
| 8 | GSK |
GSK plc
|
11,717,613 | $646,695,059 |
All Filings in MRK
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $10,142,247,857 | 84,314,971 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $9,098,196,304 | 86,435,458 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $6,318,175,195 | 75,279,104 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $6,083,959,902 | 76,856,492 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $7,330,667,869 | 81,669,651 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $8,032,217,139 | 80,742,030 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $8,608,913,529 | 75,809,383 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $8,973,268,996 | 72,481,979 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $11,393,652,772 | 86,348,259 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $9,331,675,807 | 85,595,999 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $8,487,472,461 | 82,442,666 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $8,913,387,319 | 77,245,752 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $7,294,504,486 | 68,563,817 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $6,880,771,833 | 62,016,871 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $3,458,335,650 | 40,157,172 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $3,712,754,834 | 40,723,427 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $3,749,759,168 | 45,700,904 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $3,822,290,321 | 49,873,308 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $3,722,382,345 | 49,559,078 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $3,764,599,709 | 48,406,837 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,912,693,110 | 39,596,585 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $3,173,804,927 | 40,661,969 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $3,540,365,099 | 44,729,366 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $3,123,856,279 | 42,335,445 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $3,514,237,073 | 47,867,455 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||