AEMETIS INC AMTX
COM NEW · Common Stock · CUSIP 00770K202
- SectorMaterials
- IndustryIndustrial Organic Chemicals
- HeadquartersCupertino, CA
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once. Holder counts are more reliable. Shares outstanding: 65.6m as of 2025-10-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $1.39. Options: 5 managers hold calls ($892.1k notional), 4 hold puts ($432.6k).
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 90 |
| Q4 2022 | 91 |
| Q1 2023 | 78 |
| Q2 2023 | 74 |
| Q3 2023 | 74 |
| Q4 2023 | 73 |
| Q1 2024 | 72 |
| Q2 2024 | 75 |
| Q3 2024 | 72 |
| Q4 2024 | 77 |
| Q1 2025 | 76 |
| Q2 2025 | 72 |
| Q3 2025 | 74 |
| Q4 2025 | 70 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 29 | 40 |
| Q2 2024 | 45 | 31 |
| Q3 2024 | 28 | 32 |
| Q4 2024 | 44 | 21 |
| Q1 2025 | 30 | 36 |
| Q2 2025 | 36 | 51 |
| Q3 2025 | 29 | 39 |
| Q4 2025 | 28 | 40 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $497.3k | $983.7k | 1.98 |
| Q2 2025 | $777.7k | $1.5m | 1.90 |
| Q3 2025 | $876.0k | $1.5m | 1.74 |
| Q4 2025 | $892.1k | $432.6k | 0.48 |
Biggest buyers
| VANGUARD GROUP INC | Added | +455.8k |
| MARSHALL WACE, LLP | Added | +416.0k |
| 683 Capital Management, LLC | New | +235.6k |
| HAMILTON CAPITAL PARTNERS, LLC | New | +200.7k |
| CITADEL ADVISORS LLC | Added | +164.5k |
| Squarepoint Ops LLC | Added | +145.7k |
| JANE STREET GROUP, LLC | Added | +90.3k |
| Caitong International Asset Management Co., Ltd | New | +82.9k |
| BARCLAYS PLC | Added | +67.5k |
| Quadrature Capital Ltd | New | +55.6k |
Biggest sellers
| MILLENNIUM MANAGEMENT LLC | Reduced | -411.7k |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -363.0k |
| GOLDMAN SACHS GROUP INC | Reduced | -334.9k |
| D. E. Shaw & Co., Inc. | Reduced | -152.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -151.5k |
| ROYAL BANK OF CANADA | Reduced | -95.7k |
| Susquehanna Portfolio Strategies, LLC | Sold out | -83.9k |
| GROUP ONE TRADING LLC | Reduced | -74.8k |
| GSA CAPITAL PARTNERS LLP | Reduced | -74.6k |
| SIMPLEX TRADING, LLC | Reduced | -47.5k |
Biggest calls
| GROUP ONE TRADING LLC | Added | $608.4k437.7k shares |
| SIMPLEX TRADING, LLC | Added | $150.3k108.1k shares |
| JANE STREET GROUP, LLC | Added | $64.5k46.4k shares |
| CITADEL ADVISORS LLC | Added | $57.8k41.6k shares |
| OSAIC HOLDINGS, INC. | New | $11.1k8.0k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $179.2k128.9k shares |
| GROUP ONE TRADING LLC | Reduced | $131.2k94.4k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $98.1k70.6k shares |
| SIMPLEX TRADING, LLC | Reduced | $24.0k17.3k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +0.7 pts · filed 2026-07-27 | 5.6% |
Insider purchases and sales in Q4 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 1 | $180.0k | — |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 0 | — | — |
| Q1 2025 | 0 | — | 0 | — | — |
| Q2 2025 | 0 | — | 0 | — | — |
| Q3 2025 | 0 | — | 1 | $66.9k | — |
| Q4 2025 | 0 | — | 0 | — | — |
None reported in Q4 2025.
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.00% of their portfolio | 2.9m $4.1m | Added +455.8k |
| Grantham, Mayo, Van Otterloo & Co. LLC 0.00% of their portfolio | 1.1m $1.5m | Added +43.2k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 693.5k $964.2k | Added +33.3k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 623.9k $867.2k | Reduced -151.5k |
| BlackRock, Inc. 0.00% of their portfolio | 619.2k $860.7k | Added +20.7k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 559.8k $778.1k | Added +416.0k |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 498.6k $693.1k | Added +164.5k |
| STATE STREET CORP 0.00% of their portfolio | 260.3k $361.8k | Added +31.7k |
| CIBC Private Wealth Group LLC 0.00% of their portfolio | 250.4k $348.0k | Added +200 |
| 683 Capital Management, LLC 0.03% of their portfolio | 235.6k $327.4k | New |
| J. Derek Lewis & Associates Inc. 0.08% of their portfolio | 231.9k $322.3k | First filing |
| HAMILTON CAPITAL PARTNERS, LLC 0.09% of their portfolio | 200.7k $279.0k | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 182.9k $254.3k | Added +90.3k |
| Squarepoint Ops LLC 0.00% of their portfolio | 177.2k $246.3k | Added +145.7k |
| LPL Financial LLC 0.00% of their portfolio | 131.1k $182.2k | Added +525 |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 130.9k $182.0k | Reduced -28.9k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 122.0k $169.6k | Added +18.7k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 118.2k $164.3k | Reduced -411.7k |
| Deeter Investments LLP 0.03% of their portfolio | 110.1k $153.0k | First filing |
| GSA CAPITAL PARTNERS LLP 0.01% of their portfolio | 105.2k $146.0k | Reduced -74.6k |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 101.9k $141.6k | Unchanged |
| PNC Financial Services Group, Inc. 0.00% of their portfolio | 101.8k $141.4k | Reduced -369 |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 96.7k $134.4k | Reduced -334.9k |
| Qube Research & Technologies Ltd 0.00% of their portfolio | 94.5k $131.3k | Added +8.5k |
| STIFEL FINANCIAL CORP 0.00% of their portfolio | 86.6k $120.4k | Reduced -25.8k |
| Caitong International Asset Management Co., Ltd 0.03% of their portfolio | 82.9k $115.2k | New |
| UBS Group AG 0.00% of their portfolio | 78.2k $108.8k | Reduced -34.4k |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 74.7k $103.8k | Reduced -4.1k |
| CAPTRUST FINANCIAL ADVISORS 0.00% of their portfolio | 73.0k $101.5k | Reduced -64 |
| BARCLAYS PLC 0.00% of their portfolio | 67.5k $93.8k | Added +67.5k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 67.3k $93.6k | Reduced -15.5k |
| MORGAN STANLEY 0.00% of their portfolio | 55.9k $77.7k | Reduced -35.6k |
| Quadrature Capital Ltd 0.00% of their portfolio | 55.6k $77.3k | New |
| SIMPLEX TRADING, LLC 0.00% of their portfolio | 49.3k $68.5k | Reduced -47.5k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 47.5k $66.0k | Reduced -152.4k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 40.9k $56.8k | Added +2.3k |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO 0.00% of their portfolio | 38.4k $53.4k | Unchanged |
| XTX Topco Ltd 0.00% of their portfolio | 37.7k $52.4k | New |
| Graham Capital Management, L.P. 0.00% of their portfolio | 32.5k $45.1k | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 26.1k $36.3k | Added +84 |
| HRT FINANCIAL LP 0.00% of their portfolio | 26.1k $36.0k | New |
| Board of Trustees of The Leland Stanford Junior University 0.01% of their portfolio | 25.3k $35.2k | Unchanged |
| Virtu Financial LLC 0.00% of their portfolio | 22.4k $31.0k | New |
| Point72 Asset Management, L.P. 0.00% of their portfolio | 21.4k $29.7k | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 20.5k $29.0k | Unchanged |
| Clear Harbor Asset Management, LLC 0.00% of their portfolio | 20.2k $28.0k | Reduced -4.7k |
| Tower Research Capital LLC (TRC) 0.00% of their portfolio | 17.7k $24.6k | Reduced -10.8k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 17.2k $23.9k | New |
| Financial Plan, Inc. 0.00% of their portfolio | 16.0k $22.2k | First filing |
| HUTCHINSON CAPITAL MANAGEMENT/CA 0.00% of their portfolio | 15.6k $21.7k | Unchanged |
| Vanguard Personalized Indexing Management, LLC 0.00% of their portfolio | 13.5k $18.7k | Reduced -5.7k |
| Ethic Inc. 0.00% of their portfolio | 12.7k $17.7k | Reduced -5.1k |
| Blue Trust, Inc. 0.00% of their portfolio | 12.0k $16.7k | Unchanged |
| Creative Planning 0.00% of their portfolio | 11.7k $16.2k | Unchanged |
| RB Capital Management, LLC 0.00% of their portfolio | 10.0k $13.9k | Unchanged |
| SBI Securities Co., Ltd. 0.00% of their portfolio | 5.7k $7.9k | Added +19 |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 4.7k $6.5k | Reduced -2.7k |
| JONES FINANCIAL COMPANIES LLLP 0.00% of their portfolio | 3.0k $4.2k | Reduced -6.2k |
| Federation des caisses Desjardins du Quebec 0.00% of their portfolio | 2.9k $4.0k | Unchanged |
| NewEdge Advisors, LLC 0.00% of their portfolio | 2.9k $4.0k | Unchanged |
| FMR LLC 0.00% of their portfolio | 1.6k $2.2k | Reduced -3.0k |
| FIFTH THIRD BANCORP 0.00% of their portfolio | 1.5k $2.1k | Unchanged |
| Benson Wealth Management INC 0.00% of their portfolio | 1.1k $1.5k | First filing |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 1.0k $1.4k | Reduced -300 |
| Steward Partners Investment Advisory, LLC 0.00% of their portfolio | 1.0k $1.4k | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 926 $1.3k | Reduced -1.2k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 83 $0 | Reduced -95.7k |
| TD Waterhouse Canada Inc. 0.00% of their portfolio | 27 $37 | Unchanged |
| GROUP ONE TRADING LLC 0.00% of their portfolio | 5 $7 | Reduced -74.8k |
| Farther Finance Advisors, LLC 0.00% of their portfolio | 1 $1 | Unchanged |