Position in MRK
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$509,698,205
+$156,487,070 QoQ
Shares Held
3,966,523
+35.1% QoQ
Ownership
0.161%
of shares outstanding
% of Portfolio
0.23%
of 13F equity value
Holder Rank
#64
of 3,757 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 67%
Shared 0%
None 33%
Common Shares in MRK Over Time
Shares Held
Position Value (USD)
Position in Drug Manufacturers - General
Healthcare · as of Jun 30, 2026ARROWSTREET CAPITAL, LIMITED PARTNERSHIP holds $3,542,546,853 across 13 Drug Manufacturers - General names. MRK ranks #2 (14.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AZN |
Astrazeneca PLC
|
5,307,020 | $1,006,317,132 | |
| 2 | MRK |
Merck & Co., Inc.
This page
|
3,966,523 | $509,698,205 | |
| 3 | BMY |
Bristol Myers Squibb Co
|
8,585,846 | $494,716,446 | |
| 4 | NVO |
Novo Nordisk A S
|
8,270,785 | $396,501,432 | |
| 5 | LLY |
ELI LILLY & Co
|
249,935 | $299,779,562 | |
| 6 | JNJ |
Johnson & Johnson
|
1,127,893 | $286,450,985 | |
| 7 | ABBV |
AbbVie Inc.
|
856,797 | $215,604,397 | |
| 8 | GILD |
Gilead Sciences, Inc.
|
959,904 | $121,274,271 |
All Filings in MRK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $509,698,205 | 3,966,523 | Shares | Defined | 2026-08-13 | |
| 2026-03-31 | $353,211,135 | 2,936,330 | Shares | Defined | 2026-05-14 | |
| 2025-12-31 | $1,046,718,386 | 9,944,123 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $1,570,221,442 | 18,708,703 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $1,540,144,559 | 19,456,096 | Shares | Defined | 2025-08-13 | |
| 2025-03-31 | $1,289,133,838 | 14,362,008 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $643,943,391 | 6,473,094 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $790,279,143 | 6,959,133 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $768,451,236 | 6,207,199 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $626,460,070 | 4,747,708 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $608,145,938 | 5,578,297 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $977,175,044 | 9,491,744 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,400,854,562 | 12,140,173 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,145,357,929 | 10,765,654 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $1,007,692,501 | 9,082,402 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $849,342,051 | 9,862,309 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $854,167,900 | 9,368,958 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $800,866,337 | 9,760,711 | Shares | Defined | 2022-05-13 | |
| 2021-12-31 | $637,577,893 | 8,319,127 | Shares | Defined | 2022-02-14 | |
| 2021-09-30 | $493,259,237 | 6,567,158 | Shares | Defined | 2021-11-12 | |
| 2021-06-30 | $419,528,242 | 5,394,474 | Shares | Defined | 2021-08-13 | |
| 2021-03-31 | $498,366,921 | 6,464,738 | Shares | Defined | 2021-05-14 | |
| 2020-12-31 | $336,135,108 | 4,109,233 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $454,166,971 | 5,475,187 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $668,777,428 | 8,648,353 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $896,277,457 | 11,649,049 | Shares | Defined | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||