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Disclosery

STONE RUN CAPITAL, LLC: AOS position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STONE RUN CAPITAL, LLC on AOS, newest first. How the timeline and the estimate are built.

STONE RUN CAPITAL, LLC held 22,300 AOS shares at 2025-09-30 per its 13F-HR filed 2025-11-14.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 22,300 shares
    Change vs previous 13F -4,300 shares

    0.64% of the 13F portfolio, value $1,637,043.

    13F-HR 0001420506-25-003349 filed by STONE RUN CAPITAL, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2025-06-30
    13F 26,600 shares
    Change vs previous 13F -1,972 shares

    0.7% of the 13F portfolio, value $1,744,162.

    13F-HR 0001420506-25-002087 filed by STONE RUN CAPITAL, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-03-31
    13F 28,572 shares
    Change vs previous 13F not available

    0.79% of the 13F portfolio, value $1,867,466.

    13F-HR 0001420506-25-001086 filed by STONE RUN CAPITAL, LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).