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William John Sempolinski

SEC CIK
0002149024
Latest filing
Aug 14, 2026

LRCX holding history

Lam Research Corp in every 13F filed by William John Sempolinski, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

LRCX overviewAll 13F holders of LRCXFull Q2 2026 holdings

Shares (Q2 2026)
1,480
Value
$641.3K
% of portfolio
0.3%
Quarters held
1
Since Q2 2026
Holdings of LRCX by William John Sempolinski, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20261,480$641.3K0.3%+1,480NewHolders