Walthausen & Co., LLC: MERC position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Walthausen & Co., LLC on MERC, newest first. How the timeline and the estimate are built.

Walthausen & Co., LLC held 94,848 MERC shares at 2022-09-30 per its 13F-HR/A filed 2022-11-14.

the latest 13F is the newest step

period ended2022-09-30
13F/A 94,848 shares
Change vs previous 13F -165,720 shares
0.97% of the 13F portfolio, value $1,167,000.
13F-HR/A 0001483339-22-000006 filed by Walthausen & Co., LLC
Filed 2022-11-14 (acceptance time not in the bulk data set), ingested 2026-10-07 18:34:10 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-06-30
13F 260,568 shares
Change vs previous 13F -116,948 shares
1.54% of the 13F portfolio, value $3,426,000.
13F-HR 0001483339-22-000004 filed by Walthausen & Co., LLC
Filed 2022-08-12 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:03 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2022-03-31
13F 377,516 shares
Change vs previous 13F -81,270 shares
1.49% of the 13F portfolio, value $5,266,000.
13F-HR 0001483339-22-000003 filed by Walthausen & Co., LLC
Filed 2022-05-11 (acceptance time not in the bulk data set), ingested 2026-10-07 18:35:57 UTC
Acceptance time not in the bulk data set (spec §4.2).
period ended2021-12-31
13F 458,786 shares
Change vs previous 13F -68,520 shares
1.44% of the 13F portfolio, value $5,501,000.
13F-HR 0001483339-22-000002 filed by Walthausen & Co., LLC
Filed 2022-02-11 (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).
period ended2021-09-30
13F 527,306 shares
Change vs previous 13F -18,974 shares
1.55% of the 13F portfolio, value $6,111,000.
13F-HR 0001483339-21-000006 filed by Walthausen & 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/A 546,280 shares
Change vs previous 13F +82,720 shares
1.54% of the 13F portfolio, value $6,965,000.
13F-HR/A 0001483339-21-000005 filed by Walthausen & 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 463,560 shares
Change vs previous 13F +208,090 shares
1.41% of the 13F portfolio, value $6,671,000.
13F-HR 0001483339-21-000003 filed by Walthausen & Co., LLC
Filed 2021-05-13 (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 255,470 shares
Change vs previous 13F not available
0.71% of the 13F portfolio, value $2,619,000.
13F-HR 0001483339-21-000002 filed by Walthausen & 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).