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SHERBROOKE PARK ADVISERS LLC: IRDM position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SHERBROOKE PARK ADVISERS LLC on IRDM, newest first. How the timeline and the estimate are built.

SHERBROOKE PARK ADVISERS LLC held 10,006 IRDM shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 10,006 shares
    Change vs previous 13F -79,334 shares

    0.45% of the 13F portfolio, value $173,904.

    13F-HR 0001214659-26-001983 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2025-09-30
    13F 89,340 shares
    Change vs previous 13F +73,317 shares

    0.73% of the 13F portfolio, value $1,559,876.

    13F-HR 0001214659-25-016637 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 16,023 shares
    Change vs previous 13F +2,909 shares

    0.21% of the 13F portfolio, value $483,414.

    13F-HR 0001214659-25-012231 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 13,114 shares
    Change vs previous 13F -10,025 shares

    0.17% of the 13F portfolio, value $358,274.

    13F-HR 0001214659-25-007837 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 23,139 shares
    Change vs previous 13F +23,139 shares

    0.21% of the 13F portfolio, value $671,494.

    13F-HR 0001214659-25-002848 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-06-30
    13F 0 shares
    Change vs previous 13F -23,836 shares

    13F-HR 0001214659-24-014692 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  7. period ended2024-03-31
    13F 23,836 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $623,550.

    13F-HR 0001214659-24-009317 filed by SHERBROOKE PARK ADVISERS LLC
    Filed (acceptance time not in the bulk data set), ingested

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