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SIT INVESTMENT ASSOCIATES INC: CIEN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of SIT INVESTMENT ASSOCIATES INC on CIEN, newest first. How the timeline and the estimate are built.

SIT INVESTMENT ASSOCIATES INC held 42,775 CIEN 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 42,775 shares
    Change vs previous 13F 0 shares

    0.4% of the 13F portfolio, value $20,984,000.

    13F-HR 0000897101-26-000352 filed by SIT INVESTMENT ASSOCIATES INC
    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 42,775 shares
    Change vs previous 13F -4,000 shares

    0.34% of the 13F portfolio, value $16,607,000.

    13F-HR 0000897101-26-000165 filed by SIT INVESTMENT ASSOCIATES INC
    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/A 46,775 shares
    Change vs previous 13F 0 shares

    0.22% of the 13F portfolio, value $10,939,000.

    13F-HR 0000897101-26-000038 filed by SIT INVESTMENT ASSOCIATES INC
    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 46,775 shares
    Change vs previous 13F 0 shares

    0.14% of the 13F portfolio, value $6,814,000.

    13F-HR 0000897101-25-000605 filed by SIT INVESTMENT ASSOCIATES INC
    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 46,775 shares
    Change vs previous 13F -1,425 shares

    0.08% of the 13F portfolio, value $3,804,000.

    13F-HR 0000897101-25-000467 filed by SIT INVESTMENT ASSOCIATES INC
    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 48,200 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $2,913,000.

    13F-HR 0000897101-25-000246 filed by SIT INVESTMENT ASSOCIATES INC
    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 48,200 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $4,088,000.

    13F-HR 0000897101-25-000095 filed by SIT INVESTMENT ASSOCIATES INC
    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 48,200 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $2,969,000.

    13F-HR 0000897101-24-000568 filed by SIT INVESTMENT ASSOCIATES INC
    Filed (acceptance time not in the bulk data set), ingested

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