AMTX β€” AEMETIS INC

Ownership history in JANE STREET GROUP, LLC  Β·  30 quarters on record

AI Ownership Summary

JANE STREET GROUP, LLC reported AEMETIS INC (AMTX) in 30 quarterly 13F filings from 2023 Q4 through 2025 Q4. The latest visible filing shows AMTX at 0.00% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this AMTX ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was JANE STREET GROUP, LLC's position in AEMETIS INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

AMTX was reported at 0.00% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.0% in 2023 Q4

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How JANE STREET GROUP, LLC held AMTX β€” position size vs. price
% of Fund (quarterly)    AMTX price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 11 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 ADDED 182,917 +136,517 +294.2% 0.00% $254K 2026-02-14 (Est.) $1.52
2025 Q4 REDUCED 46,400 -46,191 -49.9% 0.00% $64K 2026-02-14 (Est.) $1.52
2025 Q3 ADDED 92,591 +81,991 +773.5% 0.00% $208K 2025-11-14 $1.92
2025 Q3 REDUCED 10,600 -5,400 -33.8% 0.00% $24K 2025-11-14 $1.92
2025 Q3 REDUCED 16,000 -239,675 -93.7% 0.00% $36K 2025-11-14 $1.92
2025 Q2 REDUCED 255,675 -118,341 -31.6% 0.00% $634K 2025-08-14 $2.65
2024 Q4 ADDED 374,016 +343,609 +1130.0% 0.00% $1.0M 2025-02-14 $2.05
2024 Q3 REDUCED 30,407 -6,856 -18.4% 0.00% $70K 2024-11-15 $3.83
2024 Q2 REDUCED 37,263 -102,148 -73.3% 0.00% $112K 2024-08-15 $2.67
2024 Q1 REDUCED 139,411 -28,092 -16.8% 0.00% $835K 2024-05-16 $3.91
2023 Q4 ADDED 167,503 +132,092 +373.0% 0.00% $878K 2024-02-15 $3.63
19 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding AMTX

As of 2026 Q1 β€” sorted by position size

Marex Group plc 0.0%

FAQ About JANE STREET GROUP, LLC and AMTX

These are the practical questions this page is built to answer before you even open the full history table.

How long has JANE STREET GROUP, LLC reported owning AMTX?

JANE STREET GROUP, LLC reported AMTX across 11 quarterly 13F filings, from 2023 Q4 through 2025 Q4.

What was the largest reported AMTX position in JANE STREET GROUP, LLC's portfolio?

The largest reported portfolio weight for AMTX was 0.00% in 2023 Q4.

What is the latest reported AMTX position on this page?

The most recent filing on this page is 2025 Q4, when JANE STREET GROUP, LLC reported 182,917 shares, equal to 0.00% of portfolio, with an estimated market value of $254K.

What does the chart on this AMTX ownership page compare?

The chart compares JANE STREET GROUP, LLC's quarterly AMTX portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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