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GAMCO Investors (Gabelli): HSIC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of GAMCO Investors (Gabelli) on HSIC, newest first. How the timeline and the estimate are built.

GAMCO Investors (Gabelli) held 655,169 HSIC 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 655,169 shares
    Change vs previous 13F +4,684 shares

    0.2% of the 13F portfolio, value $54,719,715.

    13F-HR 0001140361-26-032508 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 365,633 shares
    • GABELLI FUNDS LLC: 289,536 shares

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

  2. period ended2026-03-31
    13F 650,485 shares
    Change vs previous 13F -18,447 shares

    0.19% of the 13F portfolio, value $47,940,744.

    13F-HR 0001140361-26-021334 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 360,949 shares
    • GABELLI FUNDS LLC: 289,536 shares

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

  3. period ended2025-12-31
    13F 668,932 shares
    Change vs previous 13F -16,556 shares

    0.2% of the 13F portfolio, value $50,557,881.

    13F-HR 0001140361-26-003895 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 379,396 shares
    • GABELLI FUNDS LLC: 289,536 shares

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

  4. period ended2025-09-30
    13F 685,488 shares
    Change vs previous 13F -6,043 shares

    0.18% of the 13F portfolio, value $45,495,838.

    13F-HR 0001140361-25-041670 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 382,452 shares
    • GABELLI FUNDS LLC: 303,036 shares

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

  5. period ended2025-06-30
    13F 691,531 shares
    Change vs previous 13F -9,525 shares

    0.21% of the 13F portfolio, value $50,516,340.

    13F-HR 0001140361-25-030814 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 362,195 shares
    • GABELLI FUNDS LLC: 329,336 shares

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

  6. period ended2025-03-31
    13F 701,056 shares
    Change vs previous 13F +4,442 shares

    0.22% of the 13F portfolio, value $48,015,325.

    13F-HR 0001140361-25-018975 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 354,970 shares
    • GABELLI FUNDS LLC: 346,086 shares

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

  7. period ended2024-12-31
    13F 696,614 shares
    Change vs previous 13F -4,995 shares

    0.21% of the 13F portfolio, value $48,205,689.

    13F-HR 0001140361-25-004328 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 348,078 shares
    • GABELLI FUNDS LLC: 348,536 shares

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

  8. period ended2024-09-30
    13F 701,609 shares
    Change vs previous 13F not available

    0.22% of the 13F portfolio, value $51,147,296.

    13F-HR 0001140361-24-046738 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 351,773 shares
    • GABELLI FUNDS LLC: 349,836 shares

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