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Trigran Investments, Inc.: SONO position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Trigran Investments, Inc. on SONO, newest first. How the timeline and the estimate are built.

Trigran Investments, Inc. held 2,862,915 SONO 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 2,862,915 shares
    Change vs previous 13F +373,752 shares

    7.1% of the 13F portfolio, value $38,735,240.

    13F-HR 0001062993-26-004214 filed by Trigran Investments, Inc.
    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 2,489,163 shares
    Change vs previous 13F -53,235 shares

    7.98% of the 13F portfolio, value $33,354,784.

    13F-HR 0001062993-26-002575 filed by Trigran Investments, Inc.
    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 2,542,398 shares
    Change vs previous 13F -460,336 shares

    8.8% of the 13F portfolio, value $44,644,508.

    13F-HR 0001062993-26-000909 filed by Trigran Investments, Inc.
    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 3,002,734 shares
    Change vs previous 13F -1,401,750 shares

    8.6% of the 13F portfolio, value $47,443,197.

    13F-HR 0001062993-25-016675 filed by Trigran Investments, Inc.
    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/A 4,404,484 shares
    Change vs previous 13F -844,451 shares

    8.27% of the 13F portfolio, value $47,612,473.

    13F-HR/A 0001062993-25-014670 filed by Trigran Investments, Inc.
    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 5,248,935 shares
    Change vs previous 13F +1,017,223 shares

    8.24% of the 13F portfolio, value $56,006,136.

    13F-HR 0001062993-25-009264 filed by Trigran Investments, Inc.
    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 4,231,712 shares
    Change vs previous 13F -585,923 shares

    7.32% of the 13F portfolio, value $63,644,949.

    13F-HR 0001062993-25-002307 filed by Trigran Investments, Inc.
    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 4,817,635 shares
    Change vs previous 13F not available

    6.48% of the 13F portfolio, value $59,208,733.

    13F-HR 0001062993-24-019146 filed by Trigran Investments, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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