Skip to main content

Asset Management One Co., Ltd.

Position in MRK — Merck & Co., Inc.

CIK 1068855 TOKYO, M0

Position in MRK

as of Jun 30, 2026 · filed Jul 28, 2026
Position Value
$177,335,525
+$3,960,827 QoQ
Shares Held
1,380,043
-4.3% QoQ
Ownership
0.056%
of shares outstanding
% of Portfolio
0.53%
of 13F equity value
Holder Rank
#147
of 3,769 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in MRK Over Time

Shares Held

Position Value (USD)

Position in Drug Manufacturers - General

Healthcare · as of Jun 30, 2026

Asset Management One Co., Ltd. holds $1,512,109,993 across 9 Drug Manufacturers - General names. MRK ranks #4 (11.7% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MRK
Merck & Co., Inc.
This page
1,380,043 $177,335,525

All Filings in MRK

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $177,335,525 1,380,043
2026-03-31 $173,374,698 1,441,306
2025-12-31 $142,098,157 1,349,973
2025-09-30 $112,514,543 1,340,576
2025-06-30 $101,759,150 1,285,487
2025-03-31 $116,025,660 1,292,621
2024-12-31 $126,346,066 1,270,065
2024-09-30 $143,458,758 1,263,286
2024-06-30 $153,267,990 1,238,029
2024-03-31 $167,080,368 1,266,240
2023-12-31 $141,512,429 1,298,041
2023-09-30 $143,148,062 1,390,462
2023-06-30 $164,732,148 1,427,612
2023-03-31 $153,680,142 1,444,498
2022-12-31 $158,978,479 1,432,884
2022-09-30 $125,217,446 1,453,988
2022-06-30 $134,122,466 1,471,125
2022-03-31 $113,691,679 1,385,639
2021-12-31 $111,114,358 1,449,822
2021-09-30 $106,128,026 1,412,968
2021-06-30 $112,406,658 1,445,373
2021-03-31 $112,684,826 1,461,730
2020-12-31 $130,555,522 1,596,034
2020-09-30 $132,103,493 1,592,567
2020-06-30 $126,560,807 1,636,632
2020-03-31 $123,258,443 1,602,008