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Disclosery

Montanaro Asset Management Ltd: ALRM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Montanaro Asset Management Ltd on ALRM, newest first. How the timeline and the estimate are built.

Montanaro Asset Management Ltd held 111,197 ALRM shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 111,197 shares
    Change vs previous 13F -30,503 shares

    1.64% of the 13F portfolio, value $5,195,124.

    13F-HR 0001831133-26-000003 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 141,700 shares
    Change vs previous 13F -8,400 shares

    1.83% of the 13F portfolio, value $6,120,023.

    13F-HR 0001831133-26-000002 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 150,100 shares
    Change vs previous 13F -14,200 shares

    2.13% of the 13F portfolio, value $7,658,102.

    13F-HR 0001831133-26-000001 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 164,300 shares
    Change vs previous 13F -13,300 shares

    2.18% of the 13F portfolio, value $8,721,044.

    13F-HR 0001831133-25-000003 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 177,600 shares
    Change vs previous 13F +2,810 shares

    2.59% of the 13F portfolio, value $10,046,832.

    13F-HR 0001085146-25-004529 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 174,790 shares
    Change vs previous 13F -63,510 shares

    2.85% of the 13F portfolio, value $9,727,064.

    13F-HR 0001085146-25-003010 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 238,300 shares
    Change vs previous 13F +14,400 shares

    2.99% of the 13F portfolio, value $14,488,640.

    13F-HR 0001085146-25-001037 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 223,900 shares
    Change vs previous 13F not available

    2.18% of the 13F portfolio, value $12,240,613.

    13F-HR 0001085146-24-005318 filed by Montanaro Asset Management Ltd
    Filed (acceptance time not in the bulk data set), ingested

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