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Livermore
Livermore
ZHEN

Sigma Planning Corp

SEC CIK
0001449126
Latest filing
Aug 7, 2026

GLW holding history

Corning Inc 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.

GLW overviewAll 13F holders of GLWFull Q2 2026 holdings

Shares (Q2 2026)
30,264
Value
$7.73M
% of portfolio
0.2%
Quarters held
21
Since Q1 2021
Holdings of GLW by Sigma Planning Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202630,264$7.73M0.2%+2,033+7.2%AddedHolders
Q1 202628,231$3.84M0.1%−1,033−3.5%ReducedHolders
Q4 202529,264$2.56M0.1%+18,226+165.1%AddedHolders
Q3 202511,038$905.5K<0.1%+286+2.7%AddedHolders
Q2 202510,752$565.4K<0.1%+226+2.1%AddedHolders
Q1 202510,526$481.9K<0.1%−2,063−16.4%ReducedHolders
Q4 202412,589$598.2K<0.1%+2,037+19.3%AddedHolders
Q3 202410,552$476.4K<0.1%+594+6.0%AddedHolders
Q2 20249,958$386.9K<0.1%+1,578+18.8%AddedHolders
Q1 20248,380$276.2K<0.1%+8,380NewHolders
Q4 20230$00.0%−8,415−100.0%Sold outHolders
Q3 20238,415$256.4K<0.1%−553−6.2%ReducedHolders
Q2 20238,968$314.2K<0.1%−12,945−59.1%ReducedHolders
Q1 202321,913$773.1K<0.1%+2,359+12.1%AddedHolders
Q4 202219,554$624.6K<0.1%−1,162−5.6%ReducedHolders
Q3 202220,716$601.0K<0.1%+831+4.2%AddedHolders
Q2 202219,885$627.0K<0.1%+152+0.8%AddedHolders
Q1 202219,733$728.0K<0.1%+8,390+74.0%AddedHolders
Q4 202111,343$422.0K<0.1%+2,624+30.1%AddedHolders
Q3 20218,719$318.0K<0.1%−193−2.2%ReducedHolders
Q2 20218,912$365.0K<0.1%−26−0.3%ReducedHolders
Q1 20218,938$389.0K<0.1%––Holders

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