(ALE) Stock Institutional Trading Activity


(ALE) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC and Mairs & Power Growth Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2016Mairs & Power Growth FundBuy17,810380,100$24,399
Q4 2016Renaissance Technologies LLCSell-27,099109,300$7,016
Q3 2016Mairs & Power Growth FundBuy47,501362,290$21,600
Q3 2016Renaissance Technologies LLCBuy71,300136,399$8,132
Q2 2016Mairs & Power Growth FundBuy66,662314,789$20,345
Q2 2016Renaissance Technologies LLCSell-51,80065,099$4,207
Q1 2016Mairs & Power Growth FundSell-7,900248,127$13,912
Q1 2016Renaissance Technologies LLCSell-3,300116,899$6,555
Q4 2015Mairs & Power Growth FundSell-37,960256,027$13,014
Q3 2015Mairs & Power Growth FundSell-8,470293,987$14,843
Q2 2015Mairs & Power Growth FundBuy11,040302,457$14,031
Q2 2015Renaissance Technologies LLCBuy80,300120,199$5,576
Q1 2015Mairs & Power Growth FundBuy25,656291,417$15,375
Q1 2015Renaissance Technologies LLCBuy30,00039,899$2,105
Q4 2014Mairs & Power Growth FundSell-8,088265,761$14,654
Q4 2014Renaissance Technologies LLCSell-150,8009,899$546
Q3 2014Mairs & Power Growth FundBuy38,725273,849$12,156
Q3 2014Renaissance Technologies LLCSell-120,300160,699$7,133
Q2 2014Mairs & Power Growth FundBuy9,090235,124$12,074
Q2 2014Renaissance Technologies LLCBuy207,769280,999$14,429
Q1 2014Mairs & Power Growth FundBuy3,918226,034$11,849
Q1 2014Renaissance Technologies LLCBuy63,03173,230$3,839
Q4 2013Mairs & Power Growth FundBuy20,863222,116$11,079
Q3 2013Mairs & Power Growth FundBuy18,200201,253$9,721
Q3 2013Renaissance Technologies LLCBuy10,19910,199$493
Q2 2013Mairs & Power Growth FundBuy183,053183,053$9,125

Frequently asked questions about ALE activity

  • Which institutional owners are buying ALE?

    Institutional owners buying ALE 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 ALE activity?

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

  • Is institutional interest in ALE increasing?

    Institutional interest in ALE 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.