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Sigma Planning Corp

SEC CIK
0001449126
Latest filing
Aug 7, 2026

NOC holding history

Northrop Grumman Corp in every 13F filed by Sigma Planning Corp, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

NOC overviewAll 13F holders of NOCFull Q2 2026 holdings

Shares (Q2 2026)
5,800
Value
$2.95M
% of portfolio
0.1%
Quarters held
22
Since Q1 2021
Holdings of NOC by Sigma Planning Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20265,800$2.95M0.1%−491−7.8%ReducedHolders
Q1 20266,291$4.29M0.1%+86+1.4%AddedHolders
Q4 20256,205$3.54M0.1%+135+2.2%AddedHolders
Q3 20256,070$3.70M0.1%−294−4.6%ReducedHolders
Q2 20256,364$3.18M0.1%+550+9.5%AddedHolders
Q1 20255,814$2.98M0.1%−79−1.3%ReducedHolders
Q4 20245,893$2.77M0.1%+29+0.5%AddedHolders
Q3 20245,864$3.10M0.1%−105−1.8%ReducedHolders
Q2 20245,969$2.60M0.1%−266−4.3%ReducedHolders
Q1 20246,235$2.98M0.1%+5,252+534.3%AddedHolders
Q4 2023983$460.2K<0.1%−5,195−84.1%ReducedHolders
Q3 20236,178$2.72M0.1%−705−10.2%ReducedHolders
Q2 20236,883$3.14M0.1%+1,001+17.0%AddedHolders
Q1 20235,882$2.72M0.1%−6,696−53.2%ReducedHolders
Q4 202212,578$6.86M0.2%+10,220+433.4%AddedHolders
Q3 20222,358$1.11M<0.1%+211+9.8%AddedHolders
Q2 20222,147$1.03M<0.1%+86+4.2%AddedHolders
Q1 20222,061$922.0K<0.1%−969−32.0%ReducedHolders
Q4 20213,030$1.17M<0.1%+7+0.2%AddedHolders
Q3 20213,023$1.09M<0.1%+837+38.3%AddedHolders
Q2 20212,186$795.0K<0.1%−424−16.2%ReducedHolders
Q1 20212,610$845.0K<0.1%––Holders

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