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Disclosery

STONE RUN CAPITAL, LLC: HEI position timeline

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

STONE RUN CAPITAL, LLC held 35,466 HEI 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 35,466 shares
    Change vs previous 13F -15 shares

    4.51% of the 13F portfolio, value $11,449,134.

    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 35,481 shares
    Change vs previous 13F 0 shares

    4.65% of the 13F portfolio, value $11,637,768.

    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 35,481 shares
    Change vs previous 13F -3,000 shares

    4% of the 13F portfolio, value $9,480,168.

    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).

  4. period ended2024-12-31
    13F 38,481 shares
    Change vs previous 13F -4,200 shares

    3.59% of the 13F portfolio, value $9,148,473.

    13F-HR 0001420506-25-000527 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).

  5. period ended2024-09-30
    13F 42,681 shares
    Change vs previous 13F -10 shares

    4.15% of the 13F portfolio, value $11,160,228.

    13F-HR 0001420506-24-002498 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).

  6. period ended2024-06-30
    13F 42,691 shares
    Change vs previous 13F -25 shares

    3.81% of the 13F portfolio, value $9,546,135.

    13F-HR 0001420506-24-001477 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).

  7. period ended2024-03-31
    13F 42,716 shares
    Change vs previous 13F 0 shares

    3.12% of the 13F portfolio, value $8,158,756.

    13F-HR 0001420506-24-000827 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).

  8. period ended2023-12-31
    13F 42,716 shares
    Change vs previous 13F not available

    3.27% of the 13F portfolio, value $7,640,611.

    13F-HR 0001420506-24-000441 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).