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Parthenon LLC

SEC CIK
0001088859
Latest filing
Jul 23, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by Parthenon LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

MRK overviewAll 13F holders of MRKFull Q2 2026 holdings

Shares (Q2 2026)
149,637
Value
$19.2M
% of portfolio
2.0%
Quarters held
22
Since Q1 2021
Holdings of MRK by Parthenon LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026149,637$19.2M2.0%−3,425−2.2%ReducedHolders
Q1 2026153,062$18.4M2.1%−679−0.4%ReducedHolders
Q4 2025153,741$16.2M1.7%−421−0.3%ReducedHolders
Q3 2025154,162$12.9M1.4%−2,102−1.3%ReducedHolders
Q2 2025156,264$12.4M1.4%+300+0.2%AddedHolders
Q1 2025155,964$14.0M1.7%−2,236−1.4%ReducedHolders
Q4 2024158,200$15.7M1.9%−520−0.3%ReducedHolders
Q3 2024158,720$18.0M2.2%−400−0.3%ReducedHolders
Q2 2024159,120$19.7M2.5%+275+0.2%AddedHolders
Q1 2024158,845$21.0M2.7%−380.0%ReducedHolders
Q4 2023158,883$17.3M2.4%−1,596−1.0%ReducedHolders
Q3 2023160,479$16.5M2.5%00.0%UnchangedHolders
Q2 2023160,479$18.5M2.7%−100−0.1%ReducedHolders
Q1 2023160,579$17.1M2.6%−370.0%ReducedHolders
Q4 2022160,616$17.8M2.9%+100+0.1%AddedHolders
Q3 2022160,516$13.8M2.5%−390−0.2%ReducedHolders
Q2 2022160,906$14.7M2.5%−575−0.4%ReducedHolders
Q1 2022161,481$13.3M1.9%+5,088+3.3%AddedHolders
Q4 2021156,393$12.0M1.7%+2,575+1.7%AddedHolders
Q3 2021153,818$11.6M1.7%+850+0.6%AddedHolders
Q2 2021152,968$11.9M1.8%+940+0.6%AddedHolders
Q1 2021152,028$11.7M1.9%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.