Walthausen & Co., LLC: AAON position timeline

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

Walthausen & Co., LLC held 29,510 AAON 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 29,510 shares
Change vs previous 13F +8,930 shares
1.33% of the 13F portfolio, value $1,590,000.
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 20,580 shares
Change vs previous 13F not available
0.51% of the 13F portfolio, value $1,127,000.
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).