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Grantham, Mayo, Van Otterloo & Co. LLC

Position in MRK — Merck & Co., Inc.

CIK 1352662 Boston, MA

Position in MRK

as of Jun 30, 2026 · filed Aug 13, 2026
Position Value
$871,873,528
+$28,186,293 QoQ
Shares Held
6,785,008
-3.3% QoQ
Ownership
0.275%
of shares outstanding
% of Portfolio
1.97%
of 13F equity value
Holder Rank
#42
of 3,769 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 90% Shared 0% None 10%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Grantham, Mayo, Van Otterloo & Co. LLC holds $3,887,775,493 across 10 Drug Manufacturers - General names. MRK ranks #3 (22.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
3 MRK
Merck & Co., Inc.
This page
6,785,008 $871,873,528

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $871,873,528 6,785,008
2026-03-31 $843,687,235 7,013,777
2025-12-31 $723,151,462 6,870,145
2025-09-30 $556,065,625 6,625,350
2025-06-30 $512,131,398 6,469,573
2025-03-31 $600,188,856 6,686,596
2024-12-31 $613,321,159 6,165,271
2024-09-30 $671,371,716 5,912,044
2024-06-30 $659,642,549 5,328,292
2024-03-31 $623,735,303 4,727,058
2023-12-31 $438,899,039 4,025,858
2023-09-30 $414,776,902 4,028,916
2023-06-30 $417,462,903 3,617,843
2023-03-31 $324,866,865 3,053,547
2022-12-31 $348,694,880 3,142,811
2022-09-30 $267,545,128 3,106,655
2022-06-30 $283,534,597 3,109,955
2022-03-31 $315,671,211 3,847,303
2021-12-31 $290,264,343 3,787,374
2021-09-30 $278,674,023 3,710,212
2021-06-30 $277,784,952 3,571,878
2021-03-31 $252,907,988 3,280,683
2020-12-31 $247,577,404 3,026,620
2020-09-30 $250,066,494 3,014,664
2020-06-30 $228,866,276 2,959,604
2020-03-31 $234,443,930 3,047,102