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ARROWSTREET CAPITAL, LIMITED PARTNERSHIP

Position in MRK — Merck & Co., Inc.

CIK 1164508 BOSTON, MA

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, 2026

ARROWSTREET 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
2 MRK
Merck & Co., Inc.
This page
3,966,523 $509,698,205

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $509,698,205 3,966,523
2026-03-31 $353,211,135 2,936,330
2025-12-31 $1,046,718,386 9,944,123
2025-09-30 $1,570,221,442 18,708,703
2025-06-30 $1,540,144,559 19,456,096
2025-03-31 $1,289,133,838 14,362,008
2024-12-31 $643,943,391 6,473,094
2024-09-30 $790,279,143 6,959,133
2024-06-30 $768,451,236 6,207,199
2024-03-31 $626,460,070 4,747,708
2023-12-31 $608,145,938 5,578,297
2023-09-30 $977,175,044 9,491,744
2023-06-30 $1,400,854,562 12,140,173
2023-03-31 $1,145,357,929 10,765,654
2022-12-31 $1,007,692,501 9,082,402
2022-09-30 $849,342,051 9,862,309
2022-06-30 $854,167,900 9,368,958
2022-03-31 $800,866,337 9,760,711
2021-12-31 $637,577,893 8,319,127
2021-09-30 $493,259,237 6,567,158
2021-06-30 $419,528,242 5,394,474
2021-03-31 $498,366,921 6,464,738
2020-12-31 $336,135,108 4,109,233
2020-09-30 $454,166,971 5,475,187
2020-06-30 $668,777,428 8,648,353
2020-03-31 $896,277,457 11,649,049