CHAMPIONS ONCOLOGY INC (CSBR) Institutional Ownership Changes & 13F Activity

CHAMPIONS ONCOLOGY INC (CSBR) 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.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-9,300145,539$836,849
Q4 2025Renaissance Technologies LLCSell-12,422154,839$1,069,937
Q3 2025Renaissance Technologies LLCSell-13,778167,261$1,083,015
Q2 2025Renaissance Technologies LLCBuy29,000181,039$1,334,257
Q1 2025Renaissance Technologies LLCBuy13,200152,039$1,319,699
Q4 2024Renaissance Technologies LLCBuy18,848138,839$1,189,850
Q3 2024Renaissance Technologies LLCSell-2,600119,991$584,356
Q2 2024Renaissance Technologies LLCSell-2,100122,591$633,795
Q1 2024Renaissance Technologies LLCSell-100124,691$611
Q4 2023Renaissance Technologies LLCSell-1,000124,791$701
Q3 2023Renaissance Technologies LLCBuy900125,791$781
Q2 2023Renaissance Technologies LLCSell-1,600124,891$797
Q1 2023Renaissance Technologies LLCSell-7,400126,491$508
Q4 2022Renaissance Technologies LLCSell-9,058133,891$604
Q3 2022Renaissance Technologies LLCSell-21,397142,949$1,072
Q2 2022Renaissance Technologies LLCSell-5,593164,346$1,315
Q1 2022Renaissance Technologies LLCSell-20,807169,939$1,382
Q4 2021Renaissance Technologies LLCSell-30,400190,746$1,595
Q3 2021Renaissance Technologies LLCSell-6,900221,146$2,258
Q2 2021Renaissance Technologies LLCSell-387228,046$2,344
Q1 2021Renaissance Technologies LLCBuy6,687228,433$2,581
Q4 2020Renaissance Technologies LLCSell-18,280221,746$2,393
Q3 2020Renaissance Technologies LLCBuy27,080240,026$2,220
Q2 2020Renaissance Technologies LLCBuy35,900212,946$2,036
Q1 2020Renaissance Technologies LLCSell-10,300177,046$1,310
Q4 2019Renaissance Technologies LLCBuy2,300187,346$1,561
Q3 2019Renaissance Technologies LLCBuy4,400185,046$1,046
Q2 2019Renaissance Technologies LLCSell-11,300180,646$1,414
Q1 2019Renaissance Technologies LLCSell-47,600191,946$1,879
Q4 2018Renaissance Technologies LLCSell-26,300239,546$1,871

Frequently asked questions about CSBR activity

  • Which institutional owners are buying CSBR?

    Institutional owners buying CSBR 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 CSBR activity?

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

  • Is institutional interest in CSBR increasing?

    Institutional interest in CSBR 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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