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Livermore
Livermore
ZHEN

Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

DCO holding history

Ducommun Inc 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.

DCO overviewAll 13F holders of DCOFull Q2 2026 holdings

Shares (Q2 2026)
10,700
Value
$1.98M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of DCO by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202610,700$1.98M<0.1%−36,500−77.3%ReducedHolders
Q1 202647,200$5.76M<0.1%−42,500−47.4%ReducedHolders
Q4 202589,700$8.53M<0.1%−56,382−38.6%ReducedHolders
Q3 2025146,082$14.0M<0.1%+6,882+4.9%AddedHolders
Q2 2025139,200$11.5M<0.1%+12,800+10.1%AddedHolders
Q1 2025126,400$7.33M<0.1%−53,200−29.6%ReducedHolders
Q4 2024179,600$11.4M<0.1%+36,300+25.3%AddedHolders
Q3 2024143,300$9.43M<0.1%−4,600−3.1%ReducedHolders
Q2 2024147,900$8.59M<0.1%−11,900−7.4%ReducedHolders
Q1 2024159,800$8.20M<0.1%−13,200−7.6%ReducedHolders
Q4 2023173,000$9.01M<0.1%−37,100−17.7%ReducedHolders
Q3 2023210,100$9.14M<0.1%−20,500−8.9%ReducedHolders
Q2 2023230,600$10.0M<0.1%+9,900+4.5%AddedHolders
Q1 2023220,700$12.1M<0.1%+431+0.2%AddedHolders
Q4 2022220,269$11.0M<0.1%−9,031−3.9%ReducedHolders
Q3 2022229,300$9.09M<0.1%−23,800−9.4%ReducedHolders
Q2 2022253,100$10.9M<0.1%+1,300+0.5%AddedHolders
Q1 2022251,800$13.2M<0.1%−6,900−2.7%ReducedHolders
Q4 2021258,700$12.1M<0.1%−13,500−5.0%ReducedHolders
Q3 2021272,200$13.7M<0.1%−21,600−7.4%ReducedHolders
Q2 2021293,800$16.0M<0.1%−40,000−12.0%ReducedHolders
Q1 2021333,800$20.0M<0.1%––Holders

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