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Robeco Institutional Asset Management B.V.

Position in MRK — Merck & Co., Inc.

CIK 1418773 ROTTERDAM, P7

Position in MRK

as of Jun 30, 2026 · filed Jul 21, 2026
Position Value
$305,058,100
+$25,709,476 QoQ
Shares Held
2,373,993
+2.2% QoQ
Ownership
0.096%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#98
of 3,757 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 28% Shared 0% None 72%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Robeco Institutional Asset Management B.V. holds $4,134,092,265 across 9 Drug Manufacturers - General names. MRK ranks #6 (7.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
6 MRK
Merck & Co., Inc.
This page
2,373,993 $305,058,100

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $305,058,100 2,373,993
2026-03-31 $279,348,624 2,322,293
2025-12-31 $262,936,848 2,497,975
2025-09-30 $252,304,658 3,006,132
2025-06-30 $250,416,089 3,163,417
2025-03-31 $233,961,773 2,606,526
2024-12-31 $264,359,246 2,657,411
2024-09-30 $363,809,673 3,203,678
2024-06-30 $409,382,706 3,306,807
2024-03-31 $386,452,916 2,928,783
2023-12-31 $320,958,259 2,944,031
2023-09-30 $324,169,783 3,148,808
2023-06-30 $353,189,866 3,060,836
2023-03-31 $352,811,581 3,316,210
2022-12-31 $401,391,359 3,617,768
2022-09-30 $348,624,697 4,048,127
2022-06-30 $373,762,446 4,099,621
2022-03-31 $311,328,386 3,794,374
2021-12-31 $392,656,686 5,123,391
2021-09-30 $325,381,852 4,332,071
2021-06-30 $345,038,892 4,436,658
2021-03-31 $346,998,157 4,501,206
2020-12-31 $342,129,982 4,182,520
2020-09-30 $292,078,034 3,521,132
2020-06-30 $266,245,527 3,442,977
2020-03-31 $311,829,688 4,052,896