ALX Oncology Holdings

ALXO · NASDAQ

$1.24+$0.10 (+8.77%)TodayMarket closed ·
Prev close $1.14

Who owns ALXO

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 57.7% of ALXO’s shares.

  • RA Capital Management, LP9.7%
  • VenBio Partners LLC9.6%
  • HBM Partners AG6.4%
  • Redmile Group, LLC5.5%
  • Next 6 largest institutions26.6%
  • All other shareholders42.3%
Top institutional holders of ALXO
HolderShares% of shares
RA Capital Management, LP13.01M9.67%
VenBio Partners LLC12.88M9.58%
HBM Partners AG8.59M6.38%
Redmile Group, LLC7.39M5.49%
BlackRock Institutional Trust Company, N.A.6.77M5.03%
Blackstone Alternative Asset Management, L.P.6.59M4.90%
Driehaus Capital Management, LLC6.03M4.48%
SilverArc Capital Management, LLC5.74M4.27%
TCG Crossover Management, LLC5.66M4.20%
Vanguard Capital Management, LLC4.97M3.70%

Largest mutual fund holders

Top mutual fund holders of ALXO
HolderShares% of shares
Vanguard Total Stock Market Index Fund3.64M2.71%
iShares Russell 2000 ETF2.59M1.92%
Vanguard Extended Market Index Fund1.23M0.91%
Fidelity Small Cap Index Fund1.17M0.87%
iShares Russell 2000 Growth ETF1.02M0.76%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders sold $8.27K (3 trades) of ALXO on the open market, with no buys.

Latest ALXO insider transactions
InsiderTypeSharesValue
Wong ShellySale573$1.11K
Lettmann JasonSale2.23K$4.30K
Wong ShellySale1.40K$2.86K

Short interest

Settled Sep 30, 2026

Shares short
5.67M
Days to cover
3.79
% of shares outstanding
4.22%
Average daily volume
1.50M
Change since last report
−9.6%

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