ROSENBLUM SILVERMAN SUTTON S F INC /CA: AMT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of ROSENBLUM SILVERMAN SUTTON S F INC /CA on AMT, newest first. How the timeline and the estimate are built.

ROSENBLUM SILVERMAN SUTTON S F INC /CA held 8,261 AMT shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

period ended2026-06-30
13F 8,261 shares
Change vs previous 13F -185 shares
0.32% of the 13F portfolio, value $1,351,252.
13F-HR 0000918893-26-000006 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2026-08-13 (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).
period ended2026-03-31
13F 8,446 shares
Change vs previous 13F -761 shares
0.38% of the 13F portfolio, value $1,457,611.
13F-HR 0000918893-26-000004 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2026-05-13 (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).
period ended2025-12-31
13F 9,207 shares
Change vs previous 13F -2,285 shares
0.37% of the 13F portfolio, value $1,616,473.
13F-HR 0000918893-26-000002 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2026-02-13 (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).
period ended2025-09-30
13F 11,492 shares
Change vs previous 13F +135 shares
0.5% of the 13F portfolio, value $2,210,141.
13F-HR 0000918893-25-000010 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
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).
period ended2025-06-30
13F 11,357 shares
Change vs previous 13F -463 shares
0.61% of the 13F portfolio, value $2,510,124.
13F-HR 0000918893-25-000006 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
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).
period ended2025-03-31
13F 11,820 shares
Change vs previous 13F -905 shares
0.71% of the 13F portfolio, value $2,572,032.
13F-HR 0000918893-25-000004 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2025-05-12 (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).
period ended2024-12-31
13F 12,725 shares
Change vs previous 13F -285 shares
0.59% of the 13F portfolio, value $2,333,892.
13F-HR 0000918893-25-000002 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2025-02-13 (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).
period ended2024-09-30
13F 13,010 shares
Change vs previous 13F not available
0.77% of the 13F portfolio, value $3,025,606.
13F-HR 0000918893-24-000010 filed by ROSENBLUM SILVERMAN SUTTON S F INC /CA
Filed 2024-11-14 (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).