SG Americas Securities, LLC: ATAT position timeline

SG Americas Securities, LLC held 3,932 ATAT shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

1. period ended2026-06-30

   13F 3,932 shares

   Change vs previous 13F -578,014 shares

   <0.01% of the 13F portfolio, value $125,000.

   13F-HR 0001313360-26-000003 filed by SG Americas Securities, LLC
   Filed 2026-08-07 (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 581,946 shares

   Change vs previous 13F -120,550 shares

   0.02% of the 13F portfolio, value $21,421,000.

   13F-HR 0001313360-26-000002 filed by SG Americas Securities, LLC
   Filed 2026-04-16 (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 702,496 shares

   Change vs previous 13F +214,099 shares

   0.04% of the 13F portfolio, value $27,678,000.

   13F-HR 0001313360-26-000001 filed by SG Americas Securities, LLC
   Filed 2026-01-09 (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 488,397 shares

   Change vs previous 13F -902,289 shares

   0.07% of the 13F portfolio, value $18,359,000.

   13F-HR 0001313360-25-000008 filed by SG Americas Securities, LLC
   Filed 2025-10-23 (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 1,390,686 shares

   Change vs previous 13F +1,378,476 shares

   0.2% of the 13F portfolio, value $45,211,000.

   13F-HR 0001313360-25-000006 filed by SG Americas Securities, LLC
   Filed 2025-08-08 (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).

6. period ended2025-03-31

   13F 12,210 shares

   Change vs previous 13F -2,593 shares

   <0.01% of the 13F portfolio, value $346,000.

   13F-HR 0001313360-25-000005 filed by SG Americas Securities, LLC
   Filed 2025-04-15 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:06 UTC

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

7. period ended2024-12-31

   13F 14,803 shares

   Change vs previous 13F -11,683 shares

   <0.01% of the 13F portfolio, value $398,000.

   13F-HR 0001313360-25-000001 filed by SG Americas Securities, LLC
   Filed 2025-01-17 (acceptance time not in the bulk data set), ingested 2026-10-07 18:25:55 UTC

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

8. period ended2024-09-30

   13F 26,486 shares

   Change vs previous 13F not available

   <0.01% of the 13F portfolio, value $687,000.

   13F-HR 0001313360-24-000010 filed by SG Americas Securities, LLC
   Filed 2024-10-03 (acceptance time not in the bulk data set), ingested 2026-10-07 18:26:56 UTC

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