Skip to main content
Livermore
Livermore
ZHEN

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

MRK holding history

Merck & Co., Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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)
2,738,023
Value
$351.8M
% of portfolio
0.2%
Quarters held
22
Since Q1 2021
Holdings of MRK by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,738,023$351.8M0.2%−659,559−19.4%ReducedHolders
Q1 20263,397,582$408.7M0.3%−120,882−3.4%ReducedHolders
Q4 20253,518,464$370.4M0.3%+50,612+1.5%AddedHolders
Q3 20253,467,852$291.1M0.2%−6,899,937−66.6%ReducedHolders
Q2 202510,367,789$820.7M0.8%+1,056,063+11.3%AddedHolders
Q1 20259,311,726$835.8M1.0%+2,936,922+46.1%AddedHolders
Q4 20246,374,804$634.2M0.7%−386,291−5.7%ReducedHolders
Q3 20246,761,095$767.8M1.0%+4,382,317+184.2%AddedHolders
Q2 20242,378,778$294.5M0.4%+357,363+17.7%AddedHolders
Q1 20242,021,415$266.7M0.3%−421,015−17.2%ReducedHolders
Q4 20232,442,430$266.3M0.4%+750,290+44.3%AddedHolders
Q3 20231,692,140$174.2M0.3%+378,731+28.8%AddedHolders
Q2 20231,313,409$151.6M0.2%−810,055−38.1%ReducedHolders
Q1 20232,123,464$225.9M0.4%+786,199+58.8%AddedHolders
Q4 20221,337,265$148.4M0.3%+1,233,272+1,185.9%AddedHolders
Q3 2022103,993$8.96M<0.1%−263,897−71.7%ReducedHolders
Q2 2022367,890$33.5M0.1%−312,737−45.9%ReducedHolders
Q1 2022680,627$55.8M0.1%+5,031+0.7%AddedHolders
Q4 2021675,596$51.8M0.1%−2,871,462−81.0%ReducedHolders
Q3 20213,547,058$266.4M0.3%−325,497−8.4%ReducedHolders
Q2 20213,872,555$301.2M0.3%−5,930,639−60.5%ReducedHolders
Q1 20219,803,194$755.7M0.9%––Holders

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