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ALLIANCEBERNSTEIN L.P.: SOUN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ALLIANCEBERNSTEIN L.P. on SOUN, newest first. How the timeline and the estimate are built.

ALLIANCEBERNSTEIN L.P. held 524,139 SOUN shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 524,139 shares
    Change vs previous 13F +73,238 shares

    <0.01% of the 13F portfolio, value $3,600,835.

    13F-HR 0001109448-26-000261 filed by ALLIANCEBERNSTEIN L.P.
    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 450,901 shares
    Change vs previous 13F +9,767 shares

    <0.01% of the 13F portfolio, value $4,495,483.

    13F-HR 0001109448-26-000101 filed by ALLIANCEBERNSTEIN L.P.
    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 441,134 shares
    Change vs previous 13F +44,103 shares

    <0.01% of the 13F portfolio, value $4,398,106.

    13F-HR 0001109448-26-000021 filed by ALLIANCEBERNSTEIN L.P.
    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 397,031 shares
    Change vs previous 13F -82 shares

    <0.01% of the 13F portfolio, value $6,384,258.

    13F-HR 0001109448-25-000079 filed by ALLIANCEBERNSTEIN L.P.
    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 397,113 shares
    Change vs previous 13F +25,839 shares

    <0.01% of the 13F portfolio, value $4,261,022.

    13F-HR 0001532155-25-000161 filed by ALLIANCEBERNSTEIN L.P.
    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 371,274 shares
    Change vs previous 13F +54,149 shares

    <0.01% of the 13F portfolio, value $3,014,745.

    13F-HR 0001532155-25-000116 filed by ALLIANCEBERNSTEIN L.P.
    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 317,125 shares
    Change vs previous 13F +20,155 shares

    <0.01% of the 13F portfolio, value $6,291,760.

    13F-HR 0001532155-25-000050 filed by ALLIANCEBERNSTEIN L.P.
    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 296,970 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $1,383,880.

    13F-HR 0001532155-24-000162 filed by ALLIANCEBERNSTEIN L.P.
    Filed (acceptance time not in the bulk data set), ingested

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