(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 2020Mairs & Power Growth FundSell-1,72033,763$2,091
Q3 2020Mairs & Power Growth FundSell-56535,483$1,836
Q3 2020Renaissance Technologies LLCSell-381,107130,499$6,752
Q2 2020Mairs & Power Growth FundSell-1,33036,048$1,969
Q2 2020Renaissance Technologies LLCSell-349,355511,606$27,939
Q1 2020Mairs & Power Growth FundSell-1,07537,378$2,268
Q1 2020Renaissance Technologies LLCBuy43,954860,961$52,243
Q4 2019Mairs & Power Growth FundSell-4,01538,453$3,121
Q4 2019Renaissance Technologies LLCSell-136,000817,007$66,316
Q3 2019Mairs & Power Growth FundSell-28,76542,468$3,712
Q3 2019Renaissance Technologies LLCSell-141,699953,007$83,302
Q2 2019Mairs & Power Growth FundSell-3,58571,233$5,927
Q2 2019Renaissance Technologies LLCSell-25,0001,094,706$91,090
Q1 2019Mairs & Power Growth FundSell-1,24574,818$6,152
Q1 2019Renaissance Technologies LLCBuy40,3991,119,706$92,073
Q4 2018Mairs & Power Growth FundSell-6,62576,063$5,798
Q4 2018Renaissance Technologies LLCBuy92,3081,079,307$82,265
Q3 2018Mairs & Power Growth FundSell-39,65082,688$6,202
Q3 2018Renaissance Technologies LLCBuy210,300986,999$74,035
Q2 2018Mairs & Power Growth FundSell-49,705122,338$9,470
Q1 2018Mairs & Power Growth FundSell-81,325172,043$12,430
Q1 2018Renaissance Technologies LLCBuy357,200776,699$56,117
Q4 2017Mairs & Power Growth FundSell-39,972253,368$18,840
Q4 2017Renaissance Technologies LLCBuy176,899419,499$31,194
Q3 2017Mairs & Power Growth FundSell-101,593293,340$22,672
Q3 2017Renaissance Technologies LLCBuy100,700242,600$18,751
Q2 2017Mairs & Power Growth FundBuy3,378394,933$28,309
Q2 2017Renaissance Technologies LLCBuy1,800141,900$10,171
Q1 2017Mairs & Power Growth FundBuy11,455391,555$26,512
Q1 2017Renaissance Technologies LLCBuy30,800140,100$9,486

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.