TENNANT CO (TNC) Institutional Ownership Changes & 13F Activity

TENNANT CO (TNC). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Mairs & Power Growth Fund, First Eagle U.S. Value, Olstein Capital Management, Turtle Creek Asset Management, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Mairs & Power Growth FundSell-268,160803,464$53,350,010
Q1 2026First Eagle U.S. ValueBuy32,05632,056$2,128,518
Q1 2026Olstein Capital ManagementBuy4,00017,000$1,129
Q1 2026Turtle Creek Asset ManagementBuy3,20013,000$863,200
Q4 2025Mairs & Power Growth FundSell-258,0641,071,624$78,978,689
Q4 2025Renaissance Technologies LLCBuy41,34276,900$5,667,530
Q4 2025Turtle Creek Asset ManagementBuy4,5009,800$722,260
Q4 2025Olstein Capital ManagementBuy1,35013,000$958
Q3 2025Mairs & Power Growth FundSell-22,9701,329,688$107,784,509
Q3 2025Renaissance Technologies LLCBuy18,15735,558$2,882,331
Q3 2025Turtle Creek Asset ManagementBuy6005,300$429,618
Q2 2025Mairs & Power Growth FundSell-68,7521,352,658$104,803,942
Q2 2025Renaissance Technologies LLCSell-8,09917,401$1,348,229
Q2 2025Turtle Creek Asset ManagementBuy1,8004,700$364,156
Q2 2025Olstein Capital ManagementBuy35011,650$903
Q1 2025Renaissance Technologies LLCSell-67,90025,500$2,033,625
Q1 2025Olstein Capital ManagementBuy1,80011,300$901
Q1 2025Mairs & Power Growth FundBuy1,7151,421,410$113,357,448
Q1 2025Alta Fox Capital ManagementBuy916916$73,051
Q1 2025Turtle Creek Asset ManagementSell-3002,900$231,275
Q4 2024Mairs & Power Growth FundBuy83,6131,419,695$115,747,733
Q4 2024Renaissance Technologies LLCBuy44,60093,400$7,614,902
Q4 2024Olstein Capital ManagementBuy9,5009,500$775
Q4 2024Turtle Creek Asset ManagementBuy3,1003,200$260,896
Q3 2024Mairs & Power Growth FundBuy141,4731,336,082$128,317,315
Q3 2024Renaissance Technologies LLCBuy12,80048,800$4,686,752
Q2 2024Renaissance Technologies LLCBuy34,20036,000$3,543,840
Q2 2024Mairs & Power Growth FundBuy25,0001,194,609$117,597,310
Q1 2024Renaissance Technologies LLCSell-55,2001,800$219
Q1 2024Mairs & Power Growth FundSell-55,1001,169,609$142,236,150

Frequently asked questions about TNC activity

  • Which institutional owners are buying TNC?

    Institutional owners buying TNC include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TNC activity?

    "Buy" means an investor increased their reported position in TNC compared to the prior reporting period. This reflects growing exposure to TENNANT CO (TNC) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TNC increasing?

    Institutional interest in TNC can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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