Latest Period
Q1 2026
Security Snapshot
Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO) Institutional Ownership
CUSIP: 021513106
13F Institutional Holders and Ownership History from Q4 2020 to Q1 2026
Institutions Reporting
101
Shares (Excl. Options)
32,207,581
Price
$4.84
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- Security type / class
- Equity / Common Stock, $0.001 par value
- Symbol
- ALTO on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 32,207,581
- Total 13F value
- $155,704,221
- Portfolio coverage rank
- 0%
- Share change
- +9,927,312
- Value change
- +$50,990,817
- Number of holders
- 101
- Shares outstanding
- 78,202,588
- SEC-reported price per share
- $4.54
- Insider filing price
- $4.54
Latest holder snapshot
5 signals
Issuer context
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- ALTO - Alto Ingredients, Inc. - Common Stock, $0.001 par value is tracked under CUSIP 021513106.
- 101 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 84 to 101 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $63,487,792 to $155,704,221.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 101 institutions filings for Q1 2026.
Security key
021513106
Latest holder period
Q1 2026
13F holders
101
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
ALTO full holder history
Alto Ingredients, Inc. SEC filings
Alto Ingredients, Inc. company facts
Alto Ingredients, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 021513106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
ALTO
| 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 Mar 2026, 101 institutional investors reported holding 32,207,581 shares of Alto Ingredients, Inc. - Common Stock, $0.001 par value (ALTO). This represents 41% of the company’s total 78,202,588 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
34%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| MARSHALL WACE, LLP | 4.3% | 3,337,356 | +189% | 0.02% | $16,152,801 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 3,180,211 | 0% | 0% | $15,392,221 |
| TWO SIGMA INVESTMENTS, LP | 2.6% | 2,006,760 | +139% | 0.01% | $9,712,718 |
| MILLENNIUM MANAGEMENT LLC | 2.5% | 1,915,990 | +419% | 0.01% | $9,273,392 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 2.3% | 1,790,263 | +68% | 0% | $8,664,873 |
| RENAISSANCE TECHNOLOGIES LLC | 2.1% | 1,673,657 | +9.8% | 0.01% | $8,100,500 |
| BlackRock, Inc. | 1.7% | 1,298,085 | +10% | 0% | $6,282,732 |
| JANE STREET GROUP, LLC | 1.7% | 1,291,477 | +65% | 0.01% | $6,250,748 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1.4% | 1,085,835 | +3.3% | 0.01% | $5,255,441 |
| Hillsdale Investment Management Inc. | 1.3% | 1,000,703 | +590% | 0.13% | $4,843,403 |
| Qube Research & Technologies Ltd | 1.2% | 969,959 | +123% | 0.01% | $4,694,602 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.1% | 891,115 | +2.6% | 0% | $4,315,822 |
| CREATIVE FINANCIAL DESIGNS INC /ADV | 0.98% | 769,861 | -3.5% | 0.23% | $3,726,127 |
| DIMENSIONAL FUND ADVISORS LP | 0.84% | 659,268 | +75% | 0% | $3,189,623 |
| GOLDMAN SACHS GROUP INC | 0.77% | 601,548 | -16% | 0% | $2,911,492 |
| ACADIAN ASSET MANAGEMENT LLC | 0.76% | 590,564 | +934% | 0% | $2,853,000 |
| BANK OF AMERICA CORP /DE/ | 0.7% | 550,294 | +1442% | 0% | $2,663,423 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.62% | 488,047 | +8.2% | 0.05% | $2,362,147 |
| VANGUARD FIDUCIARY TRUST CO | 0.61% | 474,286 | 0% | 0% | $2,295,544 |
| Walleye Capital LLC | 0.6% | 465,476 | 0.01% | $2,252,904 | |
| Empowered Funds, LLC | 0.53% | 411,047 | 0.01% | $1,989,467 | |
| Peapod Lane Capital LLC | 0.52% | 406,385 | -67% | 1.5% | $1,819,368 |
| Connor, Clark & Lunn Investment Management Ltd. | 0.49% | 384,945 | +166% | 0% | $1,863,134 |
| STATE STREET CORP | 0.48% | 372,847 | +3.8% | 0% | $1,804,579 |
| MORGAN STANLEY | 0.45% | 354,022 | +147% | 0% | $1,713,467 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
22
Latest
Q1 2026
Rows shown
1-22 of 22
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 32,207,581 | $155,704,221 | +$50,990,817 | $4.84 | 101 |
| 2025 Q4 | 22,043,969 | $63,487,792 | +$20,124,767 | $2.88 | 84 |
| 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 |