GENERAC HOLDINGS INC (GNRC) Stock Institutional Trading Activity


GENERAC HOLDINGS INC (GNRC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Matrix Advisors Value Fund, Renaissance Technologies LLC, Ariel Appreciation Fund, Disciplined Growth Investors, 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
Q3 2016Renaissance Technologies LLCSell-57,900153,500$5,572
Q2 2016Mairs & Power Growth FundBuy33,485830,776$29,044
Q2 2016Renaissance Technologies LLCSell-135,300211,400$7,391
Q1 2016Mairs & Power Growth FundSell-24,945797,291$29,691
Q1 2016Renaissance Technologies LLCBuy197,200346,700$12,911
Q4 2015Mairs & Power Growth FundSell-25,484822,236$24,478
Q3 2015Mairs & Power Growth FundBuy31,425847,720$25,508
Q2 2015Mairs & Power Growth FundBuy26,725816,295$32,448
Q2 2015Renaissance Technologies LLCBuy73,200149,500$5,943
Q1 2015Mairs & Power Growth FundBuy930789,570$38,444
Q4 2014Mairs & Power Growth FundBuy74,820788,640$36,877
Q3 2014Mairs & Power Growth FundBuy640,920713,820$28,938
Q3 2014Renaissance Technologies LLCSell-189,40076,300$3,093
Q2 2014Mairs & Power Growth FundBuy28,50072,900$3,553
Q2 2014Renaissance Technologies LLCSell-269,644265,700$12,950
Q1 2014Mairs & Power Growth FundBuy44,40044,400$2,618
Q1 2014Renaissance Technologies LLCSell-14,256535,344$31,569
Q4 2013Renaissance Technologies LLCBuy98,700549,600$31,129
Q3 2013Renaissance Technologies LLCSell-266,300450,900$19,226
Q2 2013Renaissance Technologies LLCBuy717,200717,200$26,544

Frequently asked questions about GNRC activity

  • Which institutional owners are buying GNRC?

    Institutional owners buying GNRC 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 GNRC activity?

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

  • Is institutional interest in GNRC increasing?

    Institutional interest in GNRC 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.