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NEEDHAM INVESTMENT MANAGEMENT LLC: GNRC position timeline

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

NEEDHAM INVESTMENT MANAGEMENT LLC held 82,000 GNRC 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 82,000 shares
    Change vs previous 13F +9,550 shares

    0.72% of the 13F portfolio, value $24,010,420.

    13F-HR 0000919574-26-005153 filed by NEEDHAM INVESTMENT 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 72,450 shares
    Change vs previous 13F +37,950 shares

    0.72% of the 13F portfolio, value $14,151,658.

    13F-HR 0000919574-26-003133 filed by NEEDHAM INVESTMENT 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 34,500 shares
    Change vs previous 13F +23,500 shares

    0.3% of the 13F portfolio, value $4,704,765.

    13F-HR 0000919574-26-000997 filed by NEEDHAM INVESTMENT 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 11,000 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $1,841,400.

    13F-HR 0000919574-25-006767 filed by NEEDHAM INVESTMENT 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 11,000 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $1,575,310.

    13F-HR 0000919574-25-004664 filed by NEEDHAM INVESTMENT 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 11,000 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $1,393,150.

    13F-HR 0000919574-25-003041 filed by NEEDHAM INVESTMENT 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 11,000 shares
    Change vs previous 13F -4,000 shares

    0.13% of the 13F portfolio, value $1,705,550.

    13F-HR 0000919574-25-001161 filed by NEEDHAM INVESTMENT 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 15,000 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $2,383,200.

    13F-HR 0000919574-24-006457 filed by NEEDHAM INVESTMENT MANAGEMENT LLC
    Filed (acceptance time not in the bulk data set), ingested

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