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Mainstream Capital Management LLC

SEC CIK
0002043084
Latest filing
Jul 15, 2026

IBM holding history

International Business Machines Corp in every 13F filed by Mainstream Capital Management LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

IBM overviewAll 13F holders of IBMFull Q2 2026 holdings

Shares (Q2 2026)
6,637
Value
$1.87M
% of portfolio
1.1%
Quarters held
2
Since Q4 2024
Holdings of IBM by Mainstream Capital Management LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20266,637$1.87M1.1%+6,637NewHolders
Q1 20250$00.0%−441−100.0%Sold outHolders
Q4 2024441$96.9K0.1%+441NewHolders