JY
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Jeff Yass’s Champions Oncology CSBR Stock Holding History

Jeff Yass’s Portfolio CSBR Stock Details CSBR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2024
Q4 		– Sell
-15,000
Closed -$73K – 12330
2024
Q3 		$73K Buy
+15,000
New +$70.3K ﹤0.01% 11212
2024
Q1 		– Sell
-16,400
Closed -$88.7K – 12330
2023
Q4 		$88.7K Buy
+16,400
New +$91.5K ﹤0.01% 11414
2023
Q3 		– Sell
-68,200
Closed -$429K – 12129
2023
Q2 		$429K Buy
+68,200
New +$352K ﹤0.01% 8671

Other funds holding CSBR

BMC
Battery Management Corp Boston, Massachusetts $368M AUM 28.04% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
TAM
Tocqueville Asset Management New York $7.56B AUM 44.87% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
MBAM
Mink Brook Asset Management West Palm Beach, Florida $227M AUM 64.76% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Jeff Yass's CSBR Position: Q4 2025 in Review

Jeff Yass sold out of Champions Oncology (CSBR) in Q4 2025, closing a stake of 19,811 shares — an estimated $128K sold.

Jeff Yass first reported a position in CSBR in Q3 2018 and held it in 7 quarters. The position peaked at $1.1M in Q1 2025. 27 funds tracked by Wall St. Rank hold CSBR as of Q4 2025.

  • Jeff Yass reported no remaining Champions Oncology position as of Q4 2025 after selling out during the quarter.
  • Jeff Yass sold 19,811 Champions Oncology shares in Q4 2025, an estimated $128K.
  • Jeff Yass first reported a position in Champions Oncology in Q3 2018 and held it in 7 quarters.
  • Jeff Yass's Champions Oncology position peaked at $1.1M in Q1 2025.
  • 27 funds tracked by Wall St. Rank held Champions Oncology as of Q4 2025.

Based on Susquehanna International Group's 13F filing for Q4 2025, filed 17 Feb 2026.