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Aemetis
AMTX

69 hedge funds and large institutions have $14.9M invested in Aemetis in 2025 Q4 according to their latest regulatory filings, with 14 funds opening new positions, 18 increasing their positions, 24 reducing their positions, and 15 closing their positions.

New
Increased
Maintained
Reduced
Closed

106% more call options, than puts

Call options by funds: $892K | Put options by funds: $433K

0.28% less ownership

Funds ownership: 16.48% → 16.21% (-0.28%)

7% less first-time investments, than exits

New positions opened: 14 | Existing positions closed: 15

7% less funds holding

Funds holding: 74 → 69 (-5)

25% less repeat investments, than reductions

Existing positions increased: 18 | Existing positions reduced: 24

36% less capital invested

Capital invested by funds: $23.5M → $14.9M (-$8.55M)

Holders
69
Holders Change
-5
Holders Change %
-6.76%
% of All Funds
0.84%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
14
Increased
18
Reduced
24
Closed
15
Calls
$892K
Puts
$433K
Net Calls
+$459K
Net Calls Change
+$1.11M

Top Buyers

Rank Fund Capital Flow
1
Vanguard Group
Vanguard Group
Pennsylvania
+$917K
2
Marshall Wace
Marshall Wace
United Kingdom
+$837K
3
6CM
683 Capital Management
New York
+$474K
4
HCP
Hamilton Capital Partners
Georgia
+$404K
5
Citadel Advisors
Citadel Advisors
Florida
+$331K

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$828K
2
Renaissance Technologies
Renaissance Technologies
New York
-$817K
3
Goldman Sachs
Goldman Sachs
New York
-$674K
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$307K
5
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$305K
Name Holding Trade Value Shares
Change 		Change in
Stake
UBS Group
26
UBS Group
Switzerland
$109K -$69.1K -34,363 -31%
Russell Investments Group
27
Russell Investments Group
United Kingdom
$104K -$8.32K -4,138 -5%
CAPTRUST Financial Advisors
28
CAPTRUST Financial Advisors
North Carolina
$102K -$129 -64 -0.1%
Barclays
29
Barclays
United Kingdom
$93.8K +$136K +67,453 +3,372,650%
Osaic Holdings
30
Osaic Holdings
Arizona
$93.6K -$31.2K -15,500 -19%
Morgan Stanley
31
Morgan Stanley
New York
$77.7K -$71.7K -35,641 -39%
QC
32
Quadrature Capital
United Kingdom
$77.3K +$112K +55,581 New
Simplex Trading
33
Simplex Trading
Illinois
$68.5K -$95.6K -47,530 -49%
D.E. Shaw & Co
34
D.E. Shaw & Co
New York
$66K -$307K -152,391 -76%
Bank of America
35
Bank of America
North Carolina
$56.8K +$4.72K +2,349 +6%
Northwestern Mutual Wealth Management
36
Northwestern Mutual Wealth Management
Wisconsin
$53.4K – – –
XT
37
XTX Topco
Cayman Islands
$52.4K +$75.9K +37,718 New
GCM
38
Graham Capital Management
Connecticut
$45.1K +$65.3K +32,455 New
Charles Schwab
39
Charles Schwab
California
$36.3K +$169 +84 +0.3%
HF
40
HRT Financial
New York
$36K +$52.4K +26,054 New
BOTOTLSJU
41
Board of Trustees of The Leland Stanford Junior University
California
$35.2K – – –
VF
42
Virtu Financial
New York
$31K +$45.1K +22,405 New
Point72 Asset Management
43
Point72 Asset Management
Connecticut
$29.7K +$43K +21,401 New
T. Rowe Price Associates
44
T. Rowe Price Associates
Maryland
$29K – – –
CHAM
45
Clear Harbor Asset Management
Connecticut
$28K -$9.4K -4,675 -19%
TRCT
46
Tower Research Capital (TRC)
New York
$24.6K -$21.6K -10,757 -38%
Prudential Financial
47
Prudential Financial
New Jersey
$23.9K +$34.6K +17,200 New
FPI
48
Financial Plan Inc
Washington
$22.2K +$32.2K +16,000 New
HCM
49
Hutchinson Capital Management
California
$21.7K – – –
VPIM
50
Vanguard Personalized Indexing Management
California
$18.7K -$11.4K -5,651 -30%
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AMTX Hedge Fund Activity: Q4 2025 in Review

69 of the 8,228 institutional investors tracked by Wall St. Rank reported a position in Aemetis (AMTX) for Q4 2025, worth a combined $14.9M — down 36% from $23.5M a quarter earlier.

Sellers outnumbered buyers: 15 funds closed out of AMTX and 14 opened new positions — a net loss of 1 holder — while 24 trimmed existing stakes and 18 added.

The largest buyer was Vanguard Group, adding an estimated $917K. The largest seller was Millennium Management, cutting an estimated $828K.

  • 69 institutional investors held Aemetis (AMTX) as of Q4 2025, down from 74 in Q3 2025.
  • Funds reported $14.9M of Aemetis stock for Q4 2025, down 36% quarter-over-quarter.
  • 14 funds opened new Aemetis positions in Q4 2025 and 15 closed out, a net change of -1 holder.
  • 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.