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STATE OF WISCONSIN INVESTMENT BOARD

Position in MRK — Merck & Co., Inc.

CIK 854157 MADISON, WI

Position in MRK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$169,486,745
+$5,170,485 QoQ
Shares Held
1,318,963
-3.4% QoQ
Ownership
0.053%
of shares outstanding
% of Portfolio
0.38%
of 13F equity value
Holder Rank
#154
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

STATE OF WISCONSIN INVESTMENT BOARD holds $1,684,684,392 across 11 Drug Manufacturers - General names. MRK ranks #4 (10.1% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MRK
Merck & Co., Inc.
This page
1,318,963 $169,486,745

All Filings in MRK

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $169,486,745 1,318,963
2026-03-31 $164,316,260 1,366,001
2025-12-31 $136,216,544 1,294,096
2025-09-30 $117,569,983 1,400,810
2025-06-30 $117,476,289 1,484,036
2025-03-31 $139,465,048 1,553,755
2024-12-31 $149,212,141 1,499,921
2024-09-30 $180,584,474 1,590,212
2024-06-30 $179,222,907 1,447,681
2024-03-31 $192,202,724 1,456,633
2023-12-31 $154,492,132 1,417,099
2023-09-30 $148,032,010 1,437,902
2023-06-30 $186,349,080 1,614,950
2023-03-31 $174,792,599 1,642,942
2022-12-31 $164,814,782 1,485,487
2022-09-30 $123,661,430 1,435,920
2022-06-30 $166,993,992 1,831,677
2022-03-31 $156,105,868 1,902,570
2021-12-31 $178,893,701 2,334,208
2021-09-30 $173,844,273 2,314,529
2021-06-30 $173,364,572 2,229,196
2021-03-31 $166,259,398 2,156,691
2020-12-31 $160,905,762 1,967,064
2020-09-30 $160,529,227 1,935,252
2020-06-30 $155,166,733 2,006,552
2020-03-31 $164,804,334 2,141,986