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GAMCO Investors (Gabelli): OLN position timeline

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

GAMCO Investors (Gabelli) held 400,380 OLN 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 400,380 shares
    Change vs previous 13F -27 shares

    0.03% of the 13F portfolio, value $7,935,532.

    13F-HR 0001140361-26-032509 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 180,095 shares
    • GABELLI FUNDS LLC: 220,285 shares

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

  2. period ended2026-03-31
    13F 400,407 shares
    Change vs previous 13F -2,382 shares

    0.05% of the 13F portfolio, value $11,904,100.

    13F-HR 0001140361-26-021337 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 179,164 shares
    • GABELLI FUNDS LLC: 221,243 shares

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

  3. period ended2025-12-31
    13F 402,789 shares
    Change vs previous 13F +13,964 shares

    0.03% of the 13F portfolio, value $8,390,095.

    13F-HR 0001140361-26-003893 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 178,888 shares
    • GABELLI FUNDS LLC: 223,901 shares

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

  4. period ended2025-09-30
    13F 388,825 shares
    Change vs previous 13F +9,549 shares

    0.04% of the 13F portfolio, value $9,716,737.

    13F-HR 0001140361-25-041671 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 170,924 shares
    • GABELLI FUNDS LLC: 217,901 shares

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

  5. period ended2025-06-30
    13F 379,276 shares
    Change vs previous 13F +151,876 shares

    0.03% of the 13F portfolio, value $7,619,655.

    13F-HR 0001140361-25-030816 filed by GABELLI FUNDS LLC
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 172,724 shares
    • GABELLI FUNDS LLC: 206,552 shares

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

  6. period ended2025-03-31
    13F 227,400 shares
    Change vs previous 13F +16,400 shares

    0.02% of the 13F portfolio, value $5,512,176.

    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: 126,400 shares
    • GABELLI FUNDS LLC: 101,000 shares

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

  7. period ended2024-12-31
    13F 211,000 shares
    Change vs previous 13F 0 shares

    0.03% of the 13F portfolio, value $7,131,800.

    13F-HR 0001140361-25-004330 filed by GAMCO INVESTORS, INC. ET AL
    Filed (acceptance time not in the bulk data set), ingested

    • GAMCO INVESTORS, INC. ET AL: 115,000 shares
    • GABELLI FUNDS LLC: 96,000 shares

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

  8. period ended2024-09-30
    13F 211,000 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $10,123,780.

    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: 115,000 shares
    • GABELLI FUNDS LLC: 96,000 shares

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