Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2020 to Q4 2025

Type / Class
Equity / Common Stock, $0.001 par value
Symbol
ALTO on Nasdaq
Shares outstanding
78,202,588
Price per share
$2.87
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
22,016,568
Total reported value
$63,407,781
% of total 13F portfolios
0%
Share change
+6,262,627
Value change
+$20,124,767
Number of holders
83
Price from insider filings
$2.87
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Radoff Bradley Louis 4.7% 0% $3,226,250 3,625,000 0% Radoff Bradley Louis 17 Mar 2025
DOMO Capital Management, LLC 3.4% -53% $6,753,576 -$7,013,400 2,658,888 -51% DOMO Capital Management, LLC 31 Dec 2025

As of 31 Dec 2025, 83 institutional investors reported holding 22,016,568 shares of Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO). This represents 28% of the company’s total 78,202,588 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO) together control 25% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 4.6% 3,588,912 +2.9% 0% $10,336,067
RENAISSANCE TECHNOLOGIES LLC 1.9% 1,524,000 -20% 0.01% $4,389,120
Peapod Lane Capital LLC 1.6% 1,244,198 +0.73% 3% $3,583,290
BlackRock, Inc. 1.5% 1,178,763 -2% 0% $3,394,838
MARSHALL WACE, LLP 1.5% 1,154,138 0% $3,323,916
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.4% 1,066,267 0% $3,070,849
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1.3% 1,051,630 +2755% 0% $3,028,694
GEODE CAPITAL MANAGEMENT, LLC 1.1% 868,804 -5.6% 0% $2,503,756
TWO SIGMA INVESTMENTS, LP 1.1% 839,474 +2207% 0% $2,417,685
CREATIVE FINANCIAL DESIGNS INC /ADV 1% 797,397 -20% 0.14% $2,296,503
JANE STREET GROUP, LLC 1% 784,630 +313% 0% $2,259,734
GOLDMAN SACHS GROUP INC 0.91% 715,180 +169% 0% $2,059,718
TWO SIGMA ADVISERS, LP 0.67% 523,193 +425% 0% $1,506,796
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.58% 450,927 -14% 0.03% $1,298,670
Qube Research & Technologies Ltd 0.56% 434,598 +43% 0% $1,251,642
DIMENSIONAL FUND ADVISORS LP 0.48% 377,435 -52% 0% $1,087,161
MILLENNIUM MANAGEMENT LLC 0.47% 369,513 +2968% 0% $1,064,197
STATE STREET CORP 0.46% 359,147 +26% 0% $1,034,343
Private Advisor Group, LLC 0.46% 357,291 0% $1,028,998
Truffle Hound Capital, LLC 0.38% 300,000 0.51% $864,000
GSA CAPITAL PARTNERS LLP 0.35% 275,639 -60% 0.07% $794,000
Point72 Asset Management, L.P. 0.33% 261,584 0% $753,362
CORSAIR CAPITAL MANAGEMENT, L.P. 0.32% 250,200 0.12% $720,576
NORTHERN TRUST CORP 0.29% 225,881 +4% 0% $650,538
HAMILTON CAPITAL PARTNERS, LLC 0.26% 200,253 0.19% $576,729

Institutional Holders of Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 22,016,568 $63,407,781 +$20,124,767 $2.88 83
2025 Q3 15,792,259 $17,054,175 -$1,392,369 $1.08 63
2025 Q2 17,029,028 $19,583,894 -$2,618,310 $1.15 61
2025 Q1 19,318,275 $22,022,488 -$3,332,534 $1.14 64
2024 Q4 21,761,778 $33,949,743 -$2,254,651 $1.56 74
2024 Q3 22,263,352 $35,843,066 -$4,826,303 $1.61 76
2024 Q2 25,745,558 $37,201,513 -$7,106,301 $1.44 79
2024 Q1 29,745,536 $64,842,219 -$7,340,042 $2.18 101
2023 Q4 32,605,314 $86,728,090 +$8,688,130 $2.66 101
2023 Q3 28,271,054 $124,957,461 +$8,269,534 $4.42 104
2023 Q2 26,957,003 $77,902,158 -$25,949,134 $2.89 96
2023 Q1 38,572,959 $57,860,079 -$5,727,335 $1.50 103
2022 Q4 40,024,501 $115,266,300 +$2,094,303 $2.88 124
2022 Q3 38,753,897 $141,070,744 -$26,771,975 $3.64 127
2022 Q2 45,730,439 $169,651,023 +$4,825,309 $3.71 113
2022 Q1 42,281,960 $286,180,985 +$14,467,736 $6.82 127
2021 Q4 42,445,149 $204,181,317 -$17,504,703 $4.81 109
2021 Q3 41,133,427 $207,802,804 -$9,420,016 $4.94 106
2021 Q2 43,375,750 $268,203,133 +$14,772,097 $6.11 112
2021 Q1 41,519,269 $225,683,755 +$217,479,006 $5.43 88
2020 Q4 1,406,314 $7,635,961 +$7,635,961 $5.43 5