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Livermore
Livermore
ZHEN

Sigma Planning Corp

SEC CIK
0001449126
Latest filing
Aug 7, 2026

STX holding history

Seagate Technology Holdings plc 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.

STX overviewAll 13F holders of STXFull Q2 2026 holdings

Shares (Q2 2026)
2,815
Value
$2.72M
% of portfolio
0.1%
Quarters held
21
Since Q1 2021
Holdings of STX by Sigma Planning Corp, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20262,815$2.72M0.1%−279−9.0%ReducedHolders
Q1 20263,094$1.21M<0.1%−361−10.4%ReducedHolders
Q4 20253,455$951.5K<0.1%+347+11.2%AddedHolders
Q3 20253,108$733.7K<0.1%+42+1.4%AddedHolders
Q2 20253,066$442.5K<0.1%−15−0.5%ReducedHolders
Q1 20253,081$261.8K<0.1%+23+0.8%AddedHolders
Q4 20243,058$263.9K<0.1%−96−3.0%ReducedHolders
Q3 20243,154$345.4K<0.1%−36−1.1%ReducedHolders
Q2 20243,190$329.4K<0.1%+110+3.6%AddedHolders
Q1 20243,080$286.7K<0.1%+3,080NewHolders
Q4 20230$00.0%−3,792−100.0%Sold outHolders
Q3 20233,792$250.1K<0.1%−1,666−30.5%ReducedHolders
Q2 20235,458$337.7K<0.1%−130−2.3%ReducedHolders
Q1 20235,588$369.5K<0.1%−332−5.6%ReducedHolders
Q4 20225,920$311.5K<0.1%−484−7.6%ReducedHolders
Q3 20226,404$341.0K<0.1%−205−3.1%ReducedHolders
Q2 20226,609$472.0K<0.1%−127−1.9%ReducedHolders
Q1 20226,736$606.0K<0.1%−271−3.9%ReducedHolders
Q4 20217,007$792.0K<0.1%+1,182+20.3%AddedHolders
Q3 20215,825$481.0K<0.1%+503+9.5%AddedHolders
Q2 20215,322$468.0K<0.1%+1,310+32.7%AddedHolders
Q1 20214,012$308.0K<0.1%––Holders

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