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Alto Ingredients, Inc.

ALTO
Exchange
Nasdaq
Industry
Industrial Organic Chemicals
SEC CIK
0000778164

In the last 90 days, Alto Ingredients, Inc. insiders filed 1 open-market purchase and 0 sales; 132 institutions reported holding it in 13F filings for Q2 2026, worth $204.5M in total; no superinvestor holds it.

Key figures

Market capClose on Nov 11, 2026
$297.9M
Insider buysLast 90 days, $39.3K in total
1
Insider sellsOpen market, last 90 days
0
13F holdersQ2 2026, +30 vs. previous quarter
132
13F valueReported value at the end of Q2 2026
$204.5M
Superinvestors holdingAt the end of Q2 2026
0

Price chart

From SEC filings, in USD.

Revenue, FY2025
$917.9M
−4.9% year over year
Net income, FY2025
$13.3M
No comparable prior period
Free cash flow, FY2025
$8.65M
No comparable prior period
Revenue, Q3 FY2026
$257.9M
+7.0% year over year

Revenue flow, FY2025

Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.

Short interest

See short data

From FINRA, settlement date Oct 30, 2026.

Short interest
4.96M
Shares sold short
Change
−644.7K
−11.5% vs. previous
Days to cover
5.53
At average daily volume

Superinvestors holding ALTO, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding ALTO at the end of Q2 2026.

Latest insider trades

See all insider trades

Open-market purchases and sales by Alto Ingredients, Inc. insiders from Form 4, newest first.

Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 14, 2026 (view filing)4:39 PM ETSep 14Same dayNathan Gilbert EDirectorPPurchase+10.0K$3.93+$39.3K+1.2%866.4K after
Aug 12, 2026 (view filing)6:17 PM ETAug 111 dayNathan Gilbert EDirectorPPurchase+50.0K$4.15+$207.5K+6.2%856.4K after
May 14, 2026 (view filing)May 12-132 daysNathan Gilbert EDirectorPPurchase+25.0K$4.58+$114.5K+3.3%774.7K after2 lots
Aug 14, 2025 (view filing)Aug 131 daySneed James RChief Commercial OfficerPPurchase+3.18K$1.06+$3.37K+0.7%432.4K after
Nov 15, 2024 (view filing)Nov 132 daysNathan Gilbert EDirectorPPurchase+25.0K$1.34+$33.5K+3.7%700.6K after
Nov 15, 2024 (view filing)Nov 132 daysNathan Gilbert EDirectorPPurchase+5.00K$1.33+$6.65K+19.1%31.2K after
Nov 13, 2024 (view filing)Nov 121 dayMcGregor Bryon TPresident & CEOPPurchase+37.0K$1.36+$50.3K+4.6%834.3K after
Nov 13, 2024 (view filing)Nov 121 dayOlander Robert R.Chief Financial OfficerPPurchase+7.35K$1.36+$10.0K+3.4%225.1K after
Jun 2, 2023 (view filing)May 31-Jun 12 daysNathan Gilbert EDirectorPPurchase+10.0K$1.98+$19.8K+1.7%583.9K after2 lots
Mar 20, 2023 (view filing)Mar 173 daysNathan Gilbert EDirectorPPurchase+10.0K$1.71+$17.1K+1.8%573.9K after

Top 10 13F holders, Q2 2026

See all 132 holders

The largest institutional positions in Alto Ingredients, Inc. at the end of Q2 2026; share changes are against Q1 2026.

Institutions holding ALTO in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.5,495,025$31.3M0.00%+4,196,940+323.3%Added
Vanguard Capital Management LLC3,212,643$18.3M0.00%+32,432+1.0%Added
Arrowstreet Capital, Limited Partnership2,280,128$13.0M0.01%+489,865+27.4%Added
Acadian Asset Management LLC2,048,492$11.7M0.01%+1,457,928+246.9%Added
Geode Capital Management, LLC1,980,080$11.3M0.00%+1,088,965+122.2%Added
Hillsdale Investment Management Inc.1,703,703$9.71M0.22%+703,000+70.3%Added
Renaissance Technologies LLC1,518,521$8.66M0.01%−155,136−9.3%Reduced
State Street Corp1,230,173$7.01M0.00%+857,326+229.9%Added
Two Sigma Investments, LP1,198,890$6.83M0.01%−807,870−40.3%Reduced
Dimensional Fund Advisors LP1,143,740$6.52M0.00%+484,472+73.5%Added

Holders of 5% or more of ALTO

See all 1 holders and filings

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Alto Ingredients, Inc..

Largest holders of ALTO from 13D and 13G filings
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G6.90%5.36M sharesNewJul 27, 20261 filingJul 27, 2026SEC