Alto Ingredients

ALTO · NASDAQ

$3.56+$0.07 (+2.01%)TodayMarket closed ·
Prev close $3.49

Who owns ALTO

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 32.4% of ALTO’s shares.

  • BlackRock Institutional Trust Company, N.A.6.2%
  • Radoff Family Foundation4.7%
  • Vanguard Capital Management, LLC4.1%
  • DOMO Capital Management LLC3.4%
  • Next 6 largest institutions13.9%
  • All other shareholders67.6%
Top institutional holders of ALTO
HolderShares% of shares
BlackRock Institutional Trust Company, N.A.4.83M6.23%
Radoff Family Foundation3.63M4.68%
Vanguard Capital Management, LLC3.21M4.15%
DOMO Capital Management LLC2.66M3.43%
Arrowstreet Capital, Limited Partnership2.28M2.94%
Acadian Asset Management LLC2.05M2.64%
Geode Capital Management, L.L.C.1.98M2.56%
Hillsdale Investment Management Inc.1.70M2.20%
Renaissance Technologies LLC1.52M1.96%
State Street Investment Management (US)1.23M1.59%

Largest mutual fund holders

Top mutual fund holders of ALTO
HolderShares% of shares
Vanguard Total Stock Market Index Fund2.23M2.88%
iShares Russell 2000 ETF1.94M2.50%
Vanguard Extended Market Index Fund891.32K1.15%
Fidelity Small Cap Index Fund799.85K1.03%
iShares Russell 2000 Value ETF698.79K0.90%

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $361.25K (4 trades) of ALTO on the open market, with no sales.

Latest ALTO insider transactions
InsiderTypeSharesValue
NATHAN GILBERT EBuy10.00K$39.30K
NATHAN GILBERT EBuy50.00K$207.50K
Tank Alan RobertAward23.61K—
Gray Maria GAward23.61K—
Nury Dianne S.Award23.61K—
NATHAN GILBERT EAward31.65K—
Graham Auste MGift20.00K—
NATHAN GILBERT EBuy5.00K$22.25K
NATHAN GILBERT EBuy20.00K$92.20K

Short interest

Settled Sep 30, 2026

Shares short
5.94M
Days to cover
5.03
% of shares outstanding
7.67%
Average daily volume
1.18M
Change since last report
−8.8%

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