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Disclosery

Quartz Partners, LLC: COR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Quartz Partners, LLC on COR, newest first. How the timeline and the estimate are built.

Quartz Partners, LLC held 15,650 COR shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,650 shares
    Change vs previous 13F +567 shares

    1.45% of the 13F portfolio, value $4,428,716.

    13F-HR 0001062993-26-004148 filed by Quartz Partners, 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 15,083 shares
    Change vs previous 13F -99 shares

    1.83% of the 13F portfolio, value $4,738,200.

    13F-HR 0001062993-26-002318 filed by Quartz Partners, 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 15,182 shares
    Change vs previous 13F +860 shares

    1.91% of the 13F portfolio, value $5,127,770.

    13F-HR 0001062993-26-000933 filed by Quartz Partners, 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 14,322 shares
    Change vs previous 13F +3,235 shares

    1.62% of the 13F portfolio, value $4,476,249.

    13F-HR 0001062993-25-016709 filed by Quartz Partners, 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 11,087 shares
    Change vs previous 13F -7 shares

    1.52% of the 13F portfolio, value $3,324,600.

    13F-HR 0001062993-25-014426 filed by Quartz Partners, 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 11,094 shares
    Change vs previous 13F +2,241 shares

    1.87% of the 13F portfolio, value $3,085,263.

    13F-HR 0001062993-25-009342 filed by Quartz Partners, 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 8,853 shares
    Change vs previous 13F +831 shares

    1.21% of the 13F portfolio, value $1,989,157.

    13F-HR 0001062993-25-001575 filed by Quartz Partners, 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 8,022 shares
    Change vs previous 13F not available

    1.13% of the 13F portfolio, value $1,805,614.

    13F-HR 0001062993-24-018666 filed by Quartz Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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