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Livermore
Livermore
ZHEN

Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

DGX holding history

Quest Diagnostics Inc in every 13F filed by Marshall Wace, LLP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

DGX overviewAll 13F holders of DGXFull Q2 2026 holdings

Shares (Q2 2026)
269,760
Value
$57.2M
% of portfolio
<0.1%
Quarters held
21
Since Q1 2021
Holdings of DGX by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026269,760$57.2M<0.1%+69,482+34.7%AddedHolders
Q1 2026200,278$39.3M<0.1%+107,061+114.9%AddedHolders
Q4 202593,217$16.2M<0.1%−463,938−83.3%ReducedHolders
Q3 2025557,155$106.2M0.1%+352,072+171.7%AddedHolders
Q2 2025205,083$36.8M<0.1%−278,204−57.6%ReducedHolders
Q1 2025483,287$81.8M0.1%−312,794−39.3%ReducedHolders
Q4 2024796,081$120.1M0.2%−204,584−20.4%ReducedHolders
Q3 20241,000,665$155.4M0.2%+811,640+429.4%AddedHolders
Q2 2024189,025$25.9M<0.1%−397,174−67.8%ReducedHolders
Q1 2024586,199$78.0M0.1%+417,862+248.2%AddedHolders
Q4 2023168,337$23.2M<0.1%+166,348+8,363.4%AddedHolders
Q3 20231,989$242.4K<0.1%+1,989NewHolders
Q2 20230$00.0%−19,827−100.0%Sold outHolders
Q1 202319,827$2.81M<0.1%−90,395−82.0%ReducedHolders
Q4 2022110,222$17.2M<0.1%+86,337+361.5%AddedHolders
Q3 202223,885$2.93M<0.1%+7,085+42.2%AddedHolders
Q2 202216,800$2.23M<0.1%−30,991−64.8%ReducedHolders
Q1 202247,791$6.54M<0.1%+9,389+24.4%AddedHolders
Q4 202138,402$6.64M<0.1%−57,992−60.2%ReducedHolders
Q3 202196,394$14.0M0.1%+822+0.9%AddedHolders
Q2 202195,572$12.6M0.1%+61,828+183.2%AddedHolders
Q1 202133,744$4.33M<0.1%––Holders

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