ROSENBLUM SILVERMAN SUTTON S F INC /CA: COST 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 COST, newest first. How the timeline and the estimate are built.

ROSENBLUM SILVERMAN SUTTON S F INC /CA held 17,355 COST 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 17,355 shares
Change vs previous 13F -369 shares
3.9% of the 13F portfolio, value $16,235,143.
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 17,724 shares
Change vs previous 13F -238 shares
4.62% of the 13F portfolio, value $17,660,774.
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 17,962 shares
Change vs previous 13F -546 shares
3.58% of the 13F portfolio, value $15,489,380.
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 18,508 shares
Change vs previous 13F -175 shares
3.91% of the 13F portfolio, value $17,131,560.
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 18,683 shares
Change vs previous 13F -194 shares
4.48% of the 13F portfolio, value $18,495,049.
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 18,877 shares
Change vs previous 13F -518 shares
4.92% of the 13F portfolio, value $17,853,489.
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 19,395 shares
Change vs previous 13F -489 shares
4.46% of the 13F portfolio, value $17,771,057.
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 19,884 shares
Change vs previous 13F not available
4.51% of the 13F portfolio, value $17,627,564.
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).