Portolan Capital Management, LLC: GCT position timeline

Portolan Capital Management, LLC held 65,644 GCT shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 65,644 shares

   Change vs previous 13F +13,630 shares

   0.08% of the 13F portfolio, value $2,074,350.

   13F-HR 0001104659-26-096980 filed by Portolan Capital Management, LLC
   Filed 2026-08-14 (acceptance time not in the bulk data set), ingested 2026-10-06 09:57:27 UTC

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

2. period ended2026-03-31

   13F 52,014 shares

   Change vs previous 13F -85,464 shares

   0.13% of the 13F portfolio, value $2,360,395.

   13F-HR 0001104659-26-062488 filed by Portolan Capital Management, LLC
   Filed 2026-05-15 (acceptance time not in the bulk data set), ingested 2026-10-06 09:58:43 UTC

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

3. period ended2025-12-31

   13F 137,478 shares

   Change vs previous 13F -82,909 shares

   0.29% of the 13F portfolio, value $5,400,136.

   13F-HR 0001104659-26-016304 filed by Portolan Capital Management, LLC
   Filed 2026-02-17 (acceptance time not in the bulk data set), ingested 2026-10-07 03:01:36 UTC

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

4. period ended2025-09-30

   13F 220,387 shares

   Change vs previous 13F -10,516 shares

   0.34% of the 13F portfolio, value $6,258,991.

   13F-HR 0001104659-25-111284 filed by Portolan Capital Management, LLC
   Filed 2025-11-13 (acceptance time not in the bulk data set), ingested 2026-10-07 03:02:25 UTC

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

5. period ended2025-06-30

   13F 230,903 shares

   Change vs previous 13F not available

   0.29% of the 13F portfolio, value $4,567,261.

   13F-HR 0001104659-25-077571 filed by Portolan Capital Management, LLC
   Filed 2025-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:23:11 UTC

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