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SIT INVESTMENT ASSOCIATES INC: BBN position timeline

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

SIT INVESTMENT ASSOCIATES INC held 7,890,277 BBN 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 7,890,277 shares
    Change vs previous 13F +426,455 shares

    2.41% of the 13F portfolio, value $127,586,000.

    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 7,463,822 shares
    Change vs previous 13F +769,256 shares

    2.45% of the 13F portfolio, value $120,690,000.

    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 6,694,566 shares
    Change vs previous 13F +372,131 shares

    2.15% of the 13F portfolio, value $109,255,000.

    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 6,322,435 shares
    Change vs previous 13F +345,061 shares

    2.13% of the 13F portfolio, value $104,952,000.

    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 5,977,374 shares
    Change vs previous 13F +815,786 shares

    2.06% of the 13F portfolio, value $96,295,000.

    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 5,161,588 shares
    Change vs previous 13F +787,953 shares

    2.02% of the 13F portfolio, value $86,095,000.

    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 4,373,635 shares
    Change vs previous 13F +1,111,574 shares

    1.6% of the 13F portfolio, value $70,503,000.

    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 3,262,061 shares
    Change vs previous 13F not available

    1.3% of the 13F portfolio, value $58,130,000.

    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).