Significant Ownership of MAIRS & POWER INC

Large-stake snapshot 1 signal
Large-stake filing summary
  • Recent SEC Schedule 13D/G filings for MAIRS & POWER INC focus on large-stake beneficial ownership disclosures and amendments.
  • Use this view to spot new large holders, amended positions, and activist-style ownership evidence.
Manager Names, identifiers, and filing context for this profile. 1 identity field
Manager location
St Paul, MN

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Significant Ownership of MAIRS & POWER INC

Sym Company Class Ownership Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
CLFD CLEARFIELD, INC. Common Stock, $0.01 par value 6% $24,834,711 852,255 Mairs and Power, Inc. 31 Mar 2025
TNC TENNANT COMPANY Common Stock, par value $0.375 per share 4.4% $62,717,663 -$22,357,373 789,895 -26% Mairs and Power, Inc. 31 Mar 2026

Schedules 13D/G Reported by MAIRS & POWER INC:

Sym Target Class Ownership Change Current shares Change Value Reporting name Form Report period Filing date
Schedule rows are parsed from SEC 13D/G filings. Open the linked filing or target page to verify the reported ownership and shares.
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