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Livermore
Livermore
ZHEN

Marshall Wace, LLP

SEC CIK
0001318757
Latest filing
Aug 13, 2026

ABT holding history

Abbott Laboratories 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.

ABT overviewAll 13F holders of ABTFull Q2 2026 holdings

Shares (Q2 2026)
5,542,438
Value
$502.9M
% of portfolio
0.4%
Quarters held
17
Since Q1 2021
Holdings of ABT by Marshall Wace, LLP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,542,438$502.9M0.4%+3,531,500+175.6%AddedHolders
Q1 20262,010,938$206.5M0.2%+1,952,451+3,338.3%AddedHolders
Q4 202558,487$7.33M<0.1%+58,487NewHolders
Q2 20250$00.0%−156,935−100.0%Sold outHolders
Q1 2025156,935$20.8M<0.1%+156,935NewHolders
Q4 20240$00.0%−123,227−100.0%Sold outHolders
Q3 2024123,227$14.0M<0.1%−93,110−43.0%ReducedHolders
Q2 2024216,337$22.5M<0.1%+215,537+26,942.1%AddedHolders
Q1 2024800$90.9K<0.1%−138,743−99.4%ReducedHolders
Q4 2023139,543$15.4M<0.1%+105,495+309.8%AddedHolders
Q3 202334,048$3.30M<0.1%−214,769−86.3%ReducedHolders
Q2 2023248,817$27.1M0.1%+244,912+6,271.8%AddedHolders
Q1 20233,905$395.4K<0.1%+3,905NewHolders
Q3 20220$00.0%−31,698−100.0%Sold outHolders
Q2 202231,698$3.44M<0.1%−538,568−94.4%ReducedHolders
Q1 2022570,266$67.5M0.1%−680,519−54.4%ReducedHolders
Q4 20211,250,785$176.0M0.4%+1,005,234+409.4%AddedHolders
Q3 2021245,551$29.0M0.1%−29,097−10.6%ReducedHolders
Q2 2021274,648$31.8M0.2%+112,673+69.6%AddedHolders
Q1 2021161,975$19.4M0.1%––Holders

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