Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.
| Quarter | Action | Shares change | Est. value change | Δ Own | Shares held | Filing date |
|---|---|---|---|---|---|---|
| Q1 2026 | Reduced | −5K | – | −0.4% | 1.1M | May 14, 2026 |
| Q4 2025 | Added | +43K | – | +4.3% | 1.1M | Feb 17, 2026 |
| Q3 2025 | Reduced | −652K | – | −39.2% | 1.0M | Nov 13, 2025 |
| Q2 2025 | Reduced | −65K | – | −3.8% | 1.7M | Aug 13, 2025 |
| Q1 2025 | Reduced | −62K | – | −3.5% | 1.7M | May 14, 2025 |
| Q4 2024 | Reduced | −23K | – | −1.3% | 1.8M | Feb 13, 2025 |
| Q3 2024 | Reduced | −78K | – | −4.1% | 1.8M | Nov 13, 2024 |
| Q2 2024 | Added | +7K | – | +0.4% | 1.9M | Aug 13, 2024 |
| Q1 2024 | Added | +69K | – | +3.8% | 1.9M | May 14, 2024 |
| Q4 2023 | Reduced | −157K | – | −8.0% | 1.8M | Feb 13, 2024 |
| Q3 2023 | Reduced | −129K | – | −6.1% | 2.0M | Nov 13, 2023 |
| Q2 2023 | Reduced | −35K | – | −1.7% | 2.1M | Aug 14, 2023 |
| Q1 2023 | Added | +93K | – | +4.6% | 2.1M | May 12, 2023 |
| Q4 2022 | Reduced | −2K | – | −0.1% | 2.0M | Feb 13, 2023 |
| Q3 2022 | Reduced | −377K | – | −15.6% | 2.0M | Nov 10, 2022 |
| Q2 2022 | Added | +538K | – | +28.5% | 2.4M | Aug 12, 2022 |
| Q1 2022 | Added | +717K | – | +61.3% | 1.9M | May 13, 2022 |
| Q4 2021 | Reduced | −750K | – | −39.1% | 1.2M | Feb 11, 2022 |
| Q3 2021 | Added | +507K | – | +35.9% | 1.9M | Nov 12, 2021 |
| Q2 2021 | New | +1.4M | – | – | 1.4M | Aug 12, 2021 |
Yes. As of Q1 2026, Jeremy Grantham disclosed 1.1M shares of AMTX, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
Jeremy Grantham first disclosed a AMTX position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
The quarter-by-quarter table above shows each sale and reduction Jeremy Grantham disclosed in AMTX. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
Jeremy Grantham disclosed 1.1M shares of AMTX as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
Jeremy Grantham began building the AMTX position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.
