(ALE) Institutional Ownership Changes & 13F Activity

ALE. 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 Renaissance Technologies LLC and Mairs & Power Growth Fund.

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

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.

Related ALE Institutional Insights