Skip to main content

ADAGE CAPITAL PARTNERS GP, L.L.C.

Position in MRK — Merck & Co., Inc.

CIK 1165408 Boston, MA

Position in MRK

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$260,857,955
-$62,414,082 QoQ
Shares Held
2,030,023
-24.5% QoQ
Ownership
0.082%
of shares outstanding
% of Portfolio
0.37%
of 13F equity value
Holder Rank
#112
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

ADAGE CAPITAL PARTNERS GP, L.L.C. holds $2,791,248,361 across 11 Drug Manufacturers - General names. MRK ranks #4 (9.3% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 MRK
Merck & Co., Inc.
This page
2,030,023 $260,857,955

All Filings in MRK

Export CSV
26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $260,857,955 2,030,023
2026-03-31 $323,272,037 2,687,439
2025-12-31 $282,923,091 2,687,850
2025-09-30 $88,431,501 1,053,634
2025-06-30 $112,817,723 1,425,186
2025-03-31 $181,898,640 2,026,500
2024-12-31 $148,778,408 1,495,561
2024-09-30 $169,529,295 1,492,861
2024-06-30 $392,592,950 3,171,187
2024-03-31 $445,409,232 3,375,591
2023-12-31 $206,682,623 1,895,823
2023-09-30 $294,317,475 2,858,839
2023-06-30 $329,903,702 2,859,032
2023-03-31 $276,680,493 2,600,625
2022-12-31 $301,709,108 2,719,325
2022-09-30 $199,373,053 2,315,061
2022-06-30 $137,974,489 1,513,376
2022-03-31 $98,679,565 1,202,676
2021-12-31 $135,014,848 1,761,676
2021-09-30 $135,281,071 1,801,106
2021-06-30 $117,052,093 1,505,106
2021-03-31 $258,352,318 3,351,306
2020-12-31 $85,808,652 1,049,006
2020-09-30 $191,324,761 2,306,506
2020-06-30 $172,693,895 2,233,206
2020-03-31 $217,578,997 2,827,906