(ENZ) Stock Institutional Trading Activity


(ENZ) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q1 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Ariel Appreciation Fund, and Dodge & Cox Stock 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
Q2 2019Ariel Appreciation FundBuy323,615323,615$1,091
Q2 2019Renaissance Technologies LLCBuy65,8043,251,033$10,956
Q1 2019Renaissance Technologies LLCBuy97,5593,185,229$8,696
Q4 2018Renaissance Technologies LLCBuy124,9703,087,670$8,584
Q3 2018Renaissance Technologies LLCSell-14,2002,962,700$12,206
Q1 2018Renaissance Technologies LLCBuy641,1002,976,900$16,313
Q4 2017Renaissance Technologies LLCBuy197,9002,335,800$19,037
Q3 2017Renaissance Technologies LLCBuy68,3002,137,900$22,384
Q2 2017Renaissance Technologies LLCBuy27,2002,069,600$22,848
Q1 2017Renaissance Technologies LLCBuy76,9002,042,400$17,095
Q4 2016Renaissance Technologies LLCBuy8,1321,965,500$13,641
Q3 2016Renaissance Technologies LLCBuy90,3871,957,368$9,963
Q2 2016Renaissance Technologies LLCBuy417,0811,866,981$11,146
Q1 2016Renaissance Technologies LLCBuy196,8001,449,900$6,597
Q4 2015Renaissance Technologies LLCBuy139,9001,253,100$5,639
Q3 2015Renaissance Technologies LLCSell-66,9521,113,200$3,529
Q2 2015Renaissance Technologies LLCSell-33,4911,180,152$3,576
Q1 2015Renaissance Technologies LLCBuy269,3061,213,643$3,580
Q4 2014Renaissance Technologies LLCBuy15,537944,337$4,193
Q3 2014Dodge & Cox Stock FundBuy15,57015,570$80
Q3 2014Renaissance Technologies LLCBuy364,982928,800$4,783
Q2 2014Renaissance Technologies LLCBuy115,937563,818$2,960
Q1 2014Renaissance Technologies LLCBuy102,244447,881$1,863
Q4 2013Renaissance Technologies LLCBuy61,737345,637$1,009
Q3 2013Renaissance Technologies LLCBuy25,400283,900$715
Q2 2013Renaissance Technologies LLCBuy258,500258,500$538

Frequently asked questions about ENZ activity

  • Which institutional owners are buying ENZ?

    Institutional owners buying ENZ 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 ENZ activity?

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

  • Is institutional interest in ENZ increasing?

    Institutional interest in ENZ 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.