MAIRS & POWER INC: TNC position timeline
Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of MAIRS & POWER INC on TNC, newest first. How the timeline and the estimate are built.
MAIRS & POWER INC held 681,800 TNC shares at 2026-06-30 per its 13F-HR filed 2026-08-14.
the latest 13F is the newest step
- period ended2026-06-3013F 681,800 sharesChange vs previous 13F -121,664 shares
0.55% of the 13F portfolio, value $59,684,772.
13F-HR 0001172661-26-003496 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2026-03-3113F 803,464 sharesChange vs previous 13F -268,160 shares
0.55% of the 13F portfolio, value $53,350,010.
13F-HR 0001172661-26-001819 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-12-3113F 1,071,624 sharesChange vs previous 13F -258,064 shares
0.76% of the 13F portfolio, value $78,978,689.
13F-HR 0001172661-26-001057 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-09-3013F 1,329,688 sharesChange vs previous 13F -22,970 shares
1.01% of the 13F portfolio, value $107,784,509.
13F-HR 0001172661-25-004985 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-06-3013F 1,352,658 sharesChange vs previous 13F -68,752 shares
1.03% of the 13F portfolio, value $104,803,942.
13F-HR 0001172661-25-003391 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2025-03-3113F 1,421,410 sharesChange vs previous 13F +1,715 shares
1.18% of the 13F portfolio, value $113,357,448.
13F-HR 0001172661-25-002089 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-12-3113F 1,419,695 sharesChange vs previous 13F +83,613 shares
1.12% of the 13F portfolio, value $115,747,733.
13F-HR 0001172661-25-000936 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).
- period ended2024-09-3013F 1,336,082 sharesChange vs previous 13F not available
1.21% of the 13F portfolio, value $128,317,315.
13F-HR 0001172661-24-004776 filed by MAIRS & POWER INC
Filed (acceptance time not in the bulk data set), ingestedAcceptance time not in the bulk data set (spec §4.2).