Aemetis
AMTX
70 hedge funds and large institutions have $15.1M invested in Aemetis in 2025 Q4 according to their latest regulatory filings, with 15 funds opening new positions, 18 increasing their positions, 24 reducing their positions, and 15 closing their positions.
106% more call options, than puts
Call options by funds: $892K | Put options by funds: $433K
0% more first-time investments, than exits
New positions opened: 15 | Existing positions closed: 15
0.11% less ownership
Funds ownership: 16.48% → 16.37% (-0.11%)
5% less funds holding
Funds holding: 74 → 70 (-4)
25% less repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 24
36% less capital invested
Capital invested by funds: $23.5M → $15.1M (-$8.4M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Vanguard Group
Malvern,
Pennsylvania
|
+$917K |
| 2 |
Marshall Wace
London,
United Kingdom
|
+$837K |
| 3 |
6CM
683 Capital Management
New York
|
+$474K |
| 4 |
HCP
Hamilton Capital Partners
Atlanta,
Georgia
|
+$404K |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$331K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
-$828K |
| 2 |
Renaissance Technologies
New York
|
-$817K |
| 3 |
Goldman Sachs
New York
|
-$674K |
| 4 |
D.E. Shaw & Co
New York
|
-$307K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$305K |
AMTX Hedge Fund Activity: Q4 2025 in Review
70 of the 8,275 institutional investors tracked by Wall St. Rank reported a position in Aemetis (AMTX) for Q4 2025, worth a combined $15.1M — down 36% from $23.5M a quarter earlier.
Fund positioning in AMTX was balanced in Q4 2025: 15 funds opened new positions, 15 closed out, 18 added to existing stakes and 24 trimmed.
The largest buyer was Vanguard Group, adding an estimated $917K. The largest seller was Millennium Management, cutting an estimated $828K.
- 70 institutional investors held Aemetis (AMTX) as of Q4 2025, down from 74 in Q3 2025.
- Funds reported $15.1M of Aemetis stock for Q4 2025, down 36% quarter-over-quarter.
- 15 funds opened new Aemetis positions in Q4 2025 and 15 closed out, a net change of 0 holders.
- The largest Aemetis buyer in Q4 2025 was Vanguard Group, an estimated $917K added.
- The largest Aemetis seller in Q4 2025 was Millennium Management, an estimated $828K sold.
Based on aggregated 13F filings for Q4 2025.