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
Q4 2019Mairs & Power Growth FundBuy10,8151,422,982$110,879
Q3 2019Mairs & Power Growth FundBuy55,6011,412,167$99,840
Q3 2019Renaissance Technologies LLCSell-11,6009,600$679
Q2 2019Mairs & Power Growth FundBuy50,0811,356,566$83,022
Q2 2019Renaissance Technologies LLCSell-2,70021,200$1,297
Q1 2019Mairs & Power Growth FundBuy34,5471,306,485$81,120
Q1 2019Renaissance Technologies LLCBuy9,30023,900$1,484
Q4 2018Mairs & Power Growth FundBuy84,3011,271,938$66,281
Q3 2018Mairs & Power Growth FundBuy2,1071,187,637$90,201
Q2 2018Mairs & Power Growth FundSell-13,7821,185,530$93,657
Q1 2018Mairs & Power Growth FundBuy85,4671,199,312$81,193
Q4 2017Mairs & Power Growth FundBuy134,4421,113,845$80,921
Q3 2017Mairs & Power Growth FundBuy238,967979,403$64,836
Q2 2017Mairs & Power Growth FundBuy200,441740,436$54,644
Q1 2017Mairs & Power Growth FundBuy415,215539,995$39,231
Q1 2017Renaissance Technologies LLCSell-34,30014,600$1,061
Q4 2016Renaissance Technologies LLCSell-20,20048,900$3,482
Q4 2016Mairs & Power Growth FundBuy8,080124,780$8,884
Q3 2016Mairs & Power Growth FundBuy108,800116,700$7,562
Q3 2016Renaissance Technologies LLCSell-69,70069,100$4,478
Q2 2016Renaissance Technologies LLCBuy20,300138,800$7,477
Q1 2016Renaissance Technologies LLCBuy89,000118,500$6,100
Q4 2015Renaissance Technologies LLCSell-10,90029,500$1,660
Q3 2015Renaissance Technologies LLCBuy2,15640,400$2,270
Q2 2015Renaissance Technologies LLCBuy4,03338,244$2,499
Q1 2015Renaissance Technologies LLCBuy30,71134,211$2,236
Q3 2014Renaissance Technologies LLCSell-5,9003,500$235
Q3 2014Mairs & Power Growth FundSell-1,3007,900$530
Q2 2014Renaissance Technologies LLCSell-2,2009,400$717
Q1 2014Renaissance Technologies LLCBuy30011,600$761

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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