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Callan Family Office’s ALX Oncology ALXO Stock Holding History

Callan Family Office’s Portfolio ALXO Stock Details ALXO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$45K Sell
22,419
-5,889
-21% -$11.2K ﹤0.01% 1113
2025
Q4 		$32K Buy
28,308
+8,530
+43% +$12.9K ﹤0.01% 1102
2025
Q3 		$36.2K Hold
19,778
– – ﹤0.01% 838
2025
Q2 		$8.21K Buy
+19,778
New +$9.98K ﹤0.01% 930

Other funds holding ALXO

RCM
RA Capital Management Boston, Massachusetts $9.44B AUM 157.3% 1-Year Est. Return
TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
VP
venBio Partners San Francisco, California $281M AUM 261.03% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $25.6B AUM 26.83% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $13.6B AUM 173.98% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Marshall Wace
Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return
VC
Vivo Capital Palo Alto, California $1.2B AUM 911.44% 1-Year Est. Return
AC
Almitas Capital Santa Monica, California $443M AUM 42.36% 1-Year Est. Return

Callan Family Office's ALXO Position: Q1 2026 in Review

Callan Family Office reduced its ALX Oncology (ALXO) stake by 21% in Q1 2026, selling an estimated $11.2K and leaving 22,419 shares worth $45K. The position accounts for ﹤0.01% of the portfolio, ranked #1113.

Callan Family Office first reported a position in ALXO in Q2 2025 and has held it in 4 quarters since. 69 funds tracked by Wall St. Rank hold ALXO as of Q1 2026.

  • Callan Family Office held 22,419 shares of ALX Oncology worth $45K as of Q1 2026.
  • Callan Family Office sold 5,889 ALX Oncology shares in Q1 2026, an estimated $11.2K.
  • ALX Oncology made up ﹤0.01% of Callan Family Office's portfolio in Q1 2026, its #1113 holding.
  • Callan Family Office first reported a position in ALX Oncology in Q2 2025 and has held it in 4 quarters since.
  • 69 funds tracked by Wall St. Rank held ALX Oncology as of Q1 2026.

Based on Callan Family Office's 13F filing for Q1 2026, filed 13 May 2026.