RUSH ENTERPRISES INC - CL B (RUSHB) Stock Institutional Trading Activity


RUSH ENTERPRISES INC - CL B (RUSHB) 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 Renaissance Technologies LLC, Muhlenkamp & Co, and Ancient Art (Teton Capital). 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 2020Renaissance Technologies LLCBuy901279,400$12,377
Q2 2020Renaissance Technologies LLCBuy2,799278,499$9,931
Q1 2020Renaissance Technologies LLCSell-1,700275,700$8,412
Q4 2019Muhlenkamp & CoSell-4454,430$202
Q4 2019Renaissance Technologies LLCSell-5,500277,400$12,677
Q3 2019Renaissance Technologies LLCSell-6,800282,900$11,296
Q2 2019Renaissance Technologies LLCBuy7,500289,700$10,693
Q1 2019Muhlenkamp & CoSell-7914,875$202
Q1 2019Renaissance Technologies LLCBuy4,500282,200$11,720
Q4 2018Renaissance Technologies LLCSell-6,900277,700$9,886
Q3 2018Renaissance Technologies LLCBuy31,700284,600$11,353
Q1 2018Muhlenkamp & CoSell-6,0005,666$229
Q1 2018Ancient Art (Teton Capital)Sell-2,309160,922$6,498
Q1 2018Renaissance Technologies LLCBuy9,600252,900$10,212
Q4 2017Muhlenkamp & CoSell-4,04011,666$562
Q4 2017Ancient Art (Teton Capital)Sell-131,220163,231$7,869
Q4 2017Renaissance Technologies LLCBuy20,300243,300$11,729
Q3 2017Muhlenkamp & CoSell-50015,706$685
Q3 2017Renaissance Technologies LLCBuy26,900223,000$9,727
Q2 2017Muhlenkamp & CoBuy1,98816,206$590
Q2 2017Renaissance Technologies LLCBuy23,600196,100$7,140
Q2 2017Ancient Art (Teton Capital)Sell-424,335294,451$10,721
Q1 2017Muhlenkamp & CoSell-82,89414,218$443
Q1 2017Renaissance Technologies LLCBuy9,300172,500$5,379
Q1 2017Ancient Art (Teton Capital)Sell-13,704718,786$22,412
Q4 2016Muhlenkamp & CoSell-11597,112$2,998
Q4 2016Renaissance Technologies LLCBuy6,600163,200$5,038
Q4 2016Ancient Art (Teton Capital)Sell-150,472732,490$22,612
Q3 2016Muhlenkamp & CoBuy1,30097,227$2,364
Q3 2016Renaissance Technologies LLCBuy23,100156,600$3,807

Frequently asked questions about RUSHB activity

  • Which institutional owners are buying RUSHB?

    Institutional owners buying RUSHB 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 RUSHB activity?

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

  • Is institutional interest in RUSHB increasing?

    Institutional interest in RUSHB 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.