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Disclosery

Altar Rock LLC: STX position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Altar Rock LLC on STX, newest first. How the timeline and the estimate are built.

Altar Rock LLC held 269 STX shares at 2026-06-30 per its 13F-HR filed 2026-09-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 269 shares
    Change vs previous 13F +269 shares

    0.38% of the 13F portfolio, value $259,784.

    13F-HR 0002085853-26-001098 filed by Altar Rock LLC
    Accepted , ingested

  2. period ended2026-03-31
    13F 0 shares
    Change vs previous 13F -988 shares

    13F-HR 0002085853-26-001097 filed by Altar Rock LLC
    Accepted , ingested

    Exited: the 13F for this period no longer lists the position.

  3. period ended2025-12-31
    13F 988 shares
    Change vs previous 13F not available

    0.33% of the 13F portfolio, value $272,817.

    13F-HR 0002085853-26-001096 filed by Altar Rock LLC
    Accepted , ingested