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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

FSTR holding history

Foster L B Co in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

FSTR overviewAll 13F holders of FSTRFull Q2 2026 holdings

Shares (Q2 2026)
356,350
Value
$16.1M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of FSTR by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026356,350$16.1M<0.1%+39,968+12.6%AddedHolders
Q1 2026316,382$8.83M<0.1%−14,200−4.3%ReducedHolders
Q4 2025330,582$8.91M<0.1%−13,400−3.9%ReducedHolders
Q3 2025343,982$9.27M<0.1%−1,300−0.4%ReducedHolders
Q2 2025345,282$7.55M<0.1%−5,600−1.6%ReducedHolders
Q1 2025350,882$6.91M<0.1%−1,200−0.3%ReducedHolders
Q4 2024352,082$9.47M<0.1%−38,200−9.8%ReducedHolders
Q3 2024390,282$7.97M<0.1%−19,300−4.7%ReducedHolders
Q2 2024409,582$8.81M<0.1%+51,700+14.4%AddedHolders
Q1 2024357,882$9.77M<0.1%−49,400−12.1%ReducedHolders
Q4 2023407,282$8.96M<0.1%+21,100+5.5%AddedHolders
Q3 2023386,182$7.30M<0.1%−700−0.2%ReducedHolders
Q2 2023386,882$5.53M<0.1%+19,815+5.4%AddedHolders
Q1 2023367,067$4.21M<0.1%−4,316−1.2%ReducedHolders
Q4 2022371,383$3.60M<0.1%−15,849−4.1%ReducedHolders
Q3 2022387,232$3.78M<0.1%−29,300−7.0%ReducedHolders
Q2 2022416,532$5.36M<0.1%−7,000−1.7%ReducedHolders
Q1 2022423,532$6.51M<0.1%−21,900−4.9%ReducedHolders
Q4 2021445,432$6.13M<0.1%−17,100−3.7%ReducedHolders
Q3 2021462,532$7.17M<0.1%−13,300−2.8%ReducedHolders
Q2 2021475,832$8.87M<0.1%−173,200−26.7%ReducedHolders
Q1 2021649,032$11.6M<0.1%––Holders

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