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Equibles

CSBR

Champions Oncology, Inc.

Company with tickers: CSBR

CIK
771856
CUSIP
15870P307
Shares Outstanding
13,886,826
13F Activity (30d)
15 filings 15 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 26
Total Value: $33,094,323
Total Shares: 5,755,536

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 26 13F filers · Δ vs Dec 31, 2025
Top Holder
42.1%
Jun 2023 → Mar 2026 · range 40.1% – 42.9%
+0.2 pts
Top 5
86.8%
Jun 2023 → Mar 2026 · range 83.5% – 91.0%
+0.1 pts
Top 10
95.6%
Jun 2023 → Mar 2026 · range 91.1% – 96.7%
+0.5 pts
HHI
2,752
Jun 2023 → Mar 2026 · range 2,560 – 2,927
Highly concentrated +26

Quarterly Activity

vs Dec 31, 2025
New
4
Increased
5
Decreased
7
Sold Out
6
Unchanged
10
Holder count: -2
Institutional value: -17.2%
Shares held: -0.5%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Small Mink Brook Asset Management LLC +31,033 111,338
Mega MORGAN STANLEY +12,641 242,300
Mid Mesirow Financial Investment Management, Inc. +5,500 15,800
Mega GEODE CAPITAL MANAGEMENT, LLC +1,358 77,177
Mega BlackRock, Inc. +1,129 123,900

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega JANE STREET GROUP, LLC −12,900 23,200
Large RENAISSANCE TECHNOLOGIES LLC −9,300 145,539
Large ACADIAN ASSET MANAGEMENT LLC −8,672 21,323
Mega Bank of New York Mellon Corp −5,135 21,614
Mega DIMENSIONAL FUND ADVISORS LP −1,381 23,973

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 299,520 $1,722,240
Mega VANGUARD FIDUCIARY TRUST CO 32,992 $189,704
Mega Vanguard Global Advisers, LLC 2,093 $12,034
Small Cassaday & Co Wealth Management LLC 10 $57

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mega VANGUARD GROUP INC 334,605 $2,312,119
Mid GSA CAPITAL PARTNERS LLP 20,978 $144,957
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC 13,031 $90,044
Mega MILLENNIUM MANAGEMENT LLC 10,203 $70,502
Mid WHITTIER TRUST CO 800 $5,528
Filter: New 4 Increased 5 Reduced 7 Sold out 6 Unchanged 10
Showing 26 of 26
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Small BATTERY MANAGEMENT CORP. $13,924,619 42.08% 2,421,673
Mid NEA Management Company, LLC $9,853,890 29.78% 1,713,720
Mid TOCQUEVILLE ASSET MANAGEMENT L.P. $1,838,125 5.55% 319,674
Mega VANGUARD CAPITAL MANAGEMENT LLC $1,722,240 5.20% 299,520
Mega MORGAN STANLEY $1,393,225 4.21% 242,300
Large RENAISSANCE TECHNOLOGIES LLC $836,849 2.53% 145,539
Mega BlackRock, Inc. $712,424 2.15% 123,900
Small Mink Brook Asset Management LLC $640,193 1.93% 111,338
Mega GEODE CAPITAL MANAGEMENT, LLC $443,767 1.34% 77,177
Mega NORTHERN TRUST CORP Bank $264,109 0.80% 45,932
Large HighTower Advisors, LLC $202,158 0.61% 35,158
Mega VANGUARD FIDUCIARY TRUST CO Bank $189,704 0.57% 32,992
Mega STATE STREET CORP $150,667 0.46% 26,203
Mega DIMENSIONAL FUND ADVISORS LP $137,844 0.42% 23,973
Mega JANE STREET GROUP, LLC $133,400 0.40% 23,200
Mega BANK OF AMERICA CORP /DE/ Bank $125,539 0.38% 21,833
Mega Bank of New York Mellon Corp Bank $124,280 0.38% 21,614
Large ACADIAN ASSET MANAGEMENT LLC $122,607 0.37% 21,323
Small ESSEX INVESTMENT MANAGEMENT CO LLC $104,931 0.32% 18,249
Mid Mesirow Financial Investment Management, Inc. $90,850 0.27% 15,800
Large Cambridge Investment Research Advisors, Inc. $70,449 0.21% 12,252
Mega Vanguard Global Advisers, LLC $12,034 0.04% 2,093
Small Capital Advisors, Ltd. LLC $276 0.00% 48
Mega JPMORGAN CHASE & CO $63 0.00% 11
Small Cassaday & Co Wealth Management LLC $57 0.00% 10
Mid SBI Securities Co., Ltd. Broker-Dealer $23 0.00% 4

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