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Disclosery

STEEL PARTNERS HOLDINGS L.P.: BOOM position timeline

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

STEEL PARTNERS HOLDINGS L.P. held 1,106,830 BOOM shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,106,830 shares
    Change vs previous 13F -87,611 shares

    8.25% of the 13F portfolio, value $6,430,682.

    13F-HR 0000921895-26-001996 filed by STEEL PARTNERS HOLDINGS 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 1,194,441 shares
    Change vs previous 13F -778,598 shares

    6.46% of the 13F portfolio, value $6,223,038.

    13F-HR 0000921895-26-001412 filed by STEEL PARTNERS HOLDINGS 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 1,973,039 shares
    Change vs previous 13F 0 shares

    10.56% of the 13F portfolio, value $13,199,631.

    13F-HR 0000921895-26-000371 filed by STEEL PARTNERS HOLDINGS 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 ended2024-09-30
    13F 1,973,039 shares
    Change vs previous 13F not available

    31.54% of the 13F portfolio, value $25,610,046.

    13F-HR 0000921895-24-002623 filed by STEEL PARTNERS HOLDINGS L.P.
    Filed (acceptance time not in the bulk data set), ingested

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