Kampmann Melissa S.: AON position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Kampmann Melissa S. on AON, newest first. How the timeline and the estimate are built.
Kampmann Melissa S. held 3,900 AON shares at 2026-06-30 per its 13F-HR filed 2026-07-29.
the latest 13F is the newest step
- period ended2026-06-3013F 3,900 sharesChange vs previous 13F -3,455 shares
0.98% of the 13F portfolio, value $1,293,591.
13F-HR 0001999898-26-000004 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 7,355 sharesChange vs previous 13F -1,130 shares
1.91% of the 13F portfolio, value $2,374,047.
13F-HR 0001999898-26-000002 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 8,485 sharesChange vs previous 13F -320 shares
2.09% of the 13F portfolio, value $2,823,469.
13F-HR 0001999898-26-000001 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 8,805 sharesChange vs previous 13F -320 shares
2.29% of the 13F portfolio, value $3,139,687.
13F-HR 0001999898-25-000006 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 9,125 sharesChange vs previous 13F -110 shares
2.44% of the 13F portfolio, value $3,255,435.
13F-HR 0001999898-25-000004 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 9,235 sharesChange vs previous 13F +15 shares
2.91% of the 13F portfolio, value $3,685,596.
13F-HR 0001999898-25-000002 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 9,220 sharesChange vs previous 13F -795 shares
2.61% of the 13F portfolio, value $3,311,455.
13F-HR 0001999898-25-000001 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 10,015 sharesChange vs previous 13F not available
2.45% of the 13F portfolio, value $3,465,090.
13F-HR 0001999898-24-000008 filed by Kampmann Melissa S.
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).