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WESTERLY CAPITAL MANAGEMENT, LLC: HDSN position timeline

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

WESTERLY CAPITAL MANAGEMENT, LLC held 3,380,000 HDSN 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 3,380,000 shares
    Change vs previous 13F +205,000 shares

    3.58% of the 13F portfolio, value $19,401,200.

    13F-HR 0002073679-26-000089 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 3,175,000 shares
    Change vs previous 13F +625,000 shares

    5.75% of the 13F portfolio, value $18,669,000.

    13F-HR 0002073679-26-000057 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 2,550,000 shares
    Change vs previous 13F +660,000 shares

    5.25% of the 13F portfolio, value $17,467,500.

    13F-HR 0002073679-26-000027 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 1,890,000 shares
    Change vs previous 13F -110,000 shares

    5.95% of the 13F portfolio, value $18,767,700.

    13F-HR 0001546172-25-000011 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 2,000,000 shares
    Change vs previous 13F +775,000 shares

    6.88% of the 13F portfolio, value $16,240,000.

    13F-HR 0001546172-25-000007 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 1,225,000 shares
    Change vs previous 13F +207,420 shares

    3.62% of the 13F portfolio, value $7,558,250.

    13F-HR 0001546172-25-000005 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 1,017,580 shares
    Change vs previous 13F +207,580 shares

    2.62% of the 13F portfolio, value $5,678,096.

    13F-HR 0001546172-25-000003 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    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 810,000 shares
    Change vs previous 13F not available

    3.84% of the 13F portfolio, value $6,755,400.

    13F-HR 0001546172-24-000008 filed by WESTERLY CAPITAL MANAGEMENT, LLC
    Filed (acceptance time not in the bulk data set), ingested

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