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Livermore
Livermore
ZHEN

Dimensional Fund Advisors LP

SEC CIK
0000354204
Latest filing
Aug 11, 2026

IRBT holding history

iRobot Corp in every 13F filed by Dimensional Fund Advisors LP, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IRBT overviewAll 13F holders of IRBTFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
19
Since Q1 2021
Holdings of IRBT by Dimensional Fund Advisors LP, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−176,557−100.0%Sold outHolders
Q3 2025176,557$633.8K<0.1%−181,286−50.7%ReducedHolders
Q2 2025357,843$1.12M<0.1%−111,502−23.8%ReducedHolders
Q1 2025469,345$1.27M<0.1%+291,845+164.4%AddedHolders
Q4 2024177,500$1.38M<0.1%+7,596+4.5%AddedHolders
Q3 2024169,904$1.48M<0.1%−630−0.4%ReducedHolders
Q2 2024170,534$1.55M<0.1%−181,632−51.6%ReducedHolders
Q1 2024352,166$3.08M<0.1%−120,341−25.5%ReducedHolders
Q4 2023472,507$18.3M<0.1%−100,918−17.6%ReducedHolders
Q3 2023573,425$21.7M<0.1%+11,188+2.0%AddedHolders
Q2 2023562,237$25.4M<0.1%−262,270−31.8%ReducedHolders
Q1 2023824,507$36.0M<0.1%−36,291−4.2%ReducedHolders
Q4 2022860,798$41.4M<0.1%−963−0.1%ReducedHolders
Q3 2022861,761$48.5M<0.1%+38,008+4.6%AddedHolders
Q2 2022823,753$30.3M<0.1%+131,460+19.0%AddedHolders
Q1 2022692,293$43.9M<0.1%+29,549+4.5%AddedHolders
Q4 2021662,744$43.7M<0.1%+8,537+1.3%AddedHolders
Q3 2021654,207$51.4M<0.1%−845−0.1%ReducedHolders
Q2 2021655,052$61.2M<0.1%−42,704−6.1%ReducedHolders
Q1 2021697,756$85.2M<0.1%––Holders

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