Alto Ingredients, Inc. (ALTO) ownership: Top institutional holder: MARSHALL WACE, LLP ($16.15M). Insider activity: Net Seller (7 buys, 13 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| MARSHALL WACE, LLP | 3337356.00 | $16.15M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3180211.00 | $15.39M | 2026-03-31 |
| VANGUARD GROUP INC | 3588912.00 | $10.34M | 2025-12-31 |
| TWO SIGMA INVESTMENTS, LP | 2006760.00 | $9.71M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 1915990.00 | $9.27M | 2026-03-31 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1790263.00 | $8.66M | 2026-03-31 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1703800.00 | $8.25M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 1673657.00 | $8.10M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-14 | |
| Sell | null | 2026-05-13 | |
| Buy | null | 2026-05-12 | |
| Buy | null | 2026-05-12 | |
| Sell | null | 2026-05-12 | |
| Buy | null | 2026-04-01 | |
| Buy | null | 2026-04-01 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.