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Disclosery

MAD RIVER INVESTORS: CBOE position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MAD RIVER INVESTORS on CBOE, newest first. How the timeline and the estimate are built.

MAD RIVER INVESTORS held 6,705 CBOE shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,705 shares
    Change vs previous 13F +25 shares

    0.61% of the 13F portfolio, value $1,627,019.

    13F-HR 0001384484-26-000006 filed by MAD RIVER INVESTORS
    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 6,680 shares
    Change vs previous 13F -10 shares

    0.68% of the 13F portfolio, value $1,877,451.

    13F-HR 0001384484-26-000004 filed by MAD RIVER INVESTORS
    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 6,690 shares
    Change vs previous 13F +35 shares

    0.77% of the 13F portfolio, value $1,679,103.

    13F-HR 0001384484-26-000002 filed by MAD RIVER INVESTORS
    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 6,655 shares
    Change vs previous 13F -25 shares

    0.7% of the 13F portfolio, value $1,632,054.

    13F-HR 0001384484-25-000009 filed by MAD RIVER INVESTORS
    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 6,680 shares
    Change vs previous 13F +465 shares

    0.7% of the 13F portfolio, value $1,557,762.

    13F-HR 0001384484-25-000007 filed by MAD RIVER INVESTORS
    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 6,215 shares
    Change vs previous 13F +10 shares

    0.6% of the 13F portfolio, value $1,406,314.

    13F-HR 0001384484-25-000005 filed by MAD RIVER INVESTORS
    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 6,205 shares
    Change vs previous 13F +125 shares

    0.56% of the 13F portfolio, value $1,212,390.

    13F-HR 0001384484-25-000002 filed by MAD RIVER INVESTORS
    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 6,080 shares
    Change vs previous 13F not available

    0.69% of the 13F portfolio, value $1,245,539.

    13F-HR 0001384484-24-000009 filed by MAD RIVER INVESTORS
    Filed (acceptance time not in the bulk data set), ingested

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