RUSH ENTERPRISES INC - CL B (RUSHB) Institutional Ownership Changes & 13F Activity

RUSH ENTERPRISES INC - CL B (RUSHB) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Muhlenkamp & Co, and Ancient Art (Teton Capital).

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-12,100349,547$22,493,349
Q1 2026Muhlenkamp & CoSell-479,454$608,365
Q4 2025Renaissance Technologies LLCSell-32,800361,647$20,346,260
Q3 2025Renaissance Technologies LLCSell-6,100394,447$22,649,147
Q2 2025Renaissance Technologies LLCBuy11,500400,547$21,020,707
Q1 2025Renaissance Technologies LLCSell-6,000389,047$21,988,936
Q4 2024Renaissance Technologies LLCSell-17,300395,047$21,506,359
Q3 2024Renaissance Technologies LLCSell-9,250412,347$19,772,039
Q2 2024Renaissance Technologies LLCSell-5,450421,597$16,543,466
Q1 2024Renaissance Technologies LLCSell-5,300427,047$22,757
Q4 2023Renaissance Technologies LLCSell-17,550432,347$22,906
Q3 2023Renaissance Technologies LLCBuy153,998449,897$20,376
Q3 2023Muhlenkamp & CoBuy3,1669,501$430,300
Q2 2023Renaissance Technologies LLCSell-2,100295,899$20,139
Q2 2023Muhlenkamp & CoBuy806,335$431,160
Q1 2023Renaissance Technologies LLCSell-4,000297,999$17,847
Q4 2022Renaissance Technologies LLCSell-24,400301,999$16,993
Q4 2022Muhlenkamp & CoSell-2526,255$351,969
Q3 2022Renaissance Technologies LLCSell-35,800326,399$15,638
Q2 2022Renaissance Technologies LLCBuy8,400362,199$17,969
Q1 2022Renaissance Technologies LLCSell-15,200353,799$17,106
Q1 2022Muhlenkamp & CoSell-2356,507$315
Q4 2021Renaissance Technologies LLCSell-12,046368,999$19,915
Q3 2021Renaissance Technologies LLCSell-14,954381,045$17,440
Q3 2021Muhlenkamp & CoSell-2326,742$309
Q2 2021Renaissance Technologies LLCSell-14,900395,999$15,103
Q2 2021Muhlenkamp & CoBuy2326,974$266
Q1 2021Renaissance Technologies LLCSell-12,712410,899$18,527
Q1 2021Muhlenkamp & CoBuy486,742$285
Q4 2020Renaissance Technologies LLCBuy144,211423,611$16,051

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.

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