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CSBR CHAMPIONS ONCOLOGY INC

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COM NEW (common), issuer CIK 771856

23 managers (25 13F filers) reported a position in CSBR shares at 2026-03-31, 5,732,336 shares in all. 1 filer opened a position and 5 filers sold out during the quarter.

Managers
23
13F filers
25
New
1
Added
5
Reduced
6
Sold out
5
Shares held by filers
5,732,336

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BATTERY MANAGEMENT CORP.2,421,673$13.9M3.27%013F-HRTimeline
NEA Management Company, LLC1,713,720$9.85M0.56%013F-HRTimeline
VANGUARD GROUP INCgroup of 3 filers holding334,605$1.92MnewTimeline
TOCQUEVILLE ASSET MANAGEMENT L.P.in group TOCQUEVILLE ASSET MANAGEMENT …319,674$1.84M0.03%013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY242,300$1.39M<0.01%+12,64113F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC145,539$837K<0.01%-9,30013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.123,900$712K<0.01%+1,12913F-HRTimelineGroup
Mink Brook Asset Management LLCin group Mink Brook Asset Management L…111,338$640K0.36%+31,03313F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC77,177$444K<0.01%+1,35813F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP45,932$264K<0.01%-21413F-HRTimelineGroup
HighTower Advisors, LLC35,158$202K<0.01%013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP26,203$151K<0.01%013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP23,973$138K<0.01%-1,38113F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/21,833$126K<0.01%-15213F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp21,614$124K<0.01%-5,13513F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC21,323$121K<0.01%-8,67213F-HRTimelineGroup
ESSEX INVESTMENT MANAGEMENT CO LLC18,249$105K0.02%013F-HRTimeline
Mesirow Financial Investment Management…15,800$90.8K<0.01%+5,50013F-HRTimeline
Cambridge Investment Research Advisors,…12,252$70K<0.01%013F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO11$64<0.01%013F-HR/ATimelineGroup
Cassaday & Co Wealth Management LLC10$58<0.01%new13F-HRTimeline
SBI Securities Co., Ltd.4$23<0.01%013F-HRTimeline
Capital Advisors, Ltd. LLC48$00%013F-HRTimelineValue filed as zero, left out of ratios.