BLUESTEIN R H & CO LLC: CHGG position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of BLUESTEIN R H & CO LLC on CHGG, newest first. How the timeline and the estimate are built.

BLUESTEIN R H & CO LLC held 0 CHGG shares at 2021-12-31 per its 13F-HR filed 2022-02-14.

the latest 13F is the newest step

period ended2021-12-31
13F 0 shares
Change vs previous 13F -6,350 shares
13F-HR 0000884314-22-000002 filed by BLUESTEIN R H & CO LLC
Filed 2022-02-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:36:54 UTC
Acceptance time not in the bulk data set (spec §4.2).
Exited: the 13F for this period no longer lists the position.
period ended2021-09-30
13F 6,350 shares
Change vs previous 13F 0 shares
0.02% of the 13F portfolio, value $432,000.
13F-HR 0000884314-21-000005 filed by BLUESTEIN R H & CO LLC
Filed 2021-11-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:37:51 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-06-30
13F 6,350 shares
Change vs previous 13F +50 shares
0.02% of the 13F portfolio, value $528,000.
13F-HR 0000884314-21-000004 filed by BLUESTEIN R H & CO LLC
Filed 2021-08-13 (acceptance time not in the bulk data set), ingested 2026-10-07 18:38:33 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-03-31
13F 6,300 shares
Change vs previous 13F -800 shares
0.02% of the 13F portfolio, value $540,000.
13F-HR 0000884314-21-000003 filed by BLUESTEIN R H & CO LLC
Filed 2021-05-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:39:37 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2020-12-31
13F 7,100 shares
Change vs previous 13F not available
0.03% of the 13F portfolio, value $641,000.
13F-HR 0000884314-21-000002 filed by BLUESTEIN R H & CO LLC
Filed 2021-02-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:42:52 UTC
Acceptance time not in the bulk data set (spec §4.2).