Aemetis, Inc.

AMTX • NASDAQ

Aemetis, Inc. is a oil & gas refining & marketing company in the energy sector on NASDAQ, led by Eric A. McAfee, with a market cap of $96.4M. As of Q3 2025, 16% of shares are held by 72 institutional investors, with VANGUARD GROUP INC as the largest holder at 3.92%.

Chief Executive OfficerEric A. McAfee

Market Cap$96.4M

Oil & Gas Refining & Marketing

Energy

Employees205.0

Websiteaemetis.com

Country

United States of America

Overview

Overview of institutional ownership in AMTX as of Q3 2025 with a market cap of $142.3M

All Institutions

Institutions: 72
Value Held: $23.4M
Shares Held: 10.4M
Avg Position: $325.4K
Median Position: $71.1K

Hedge Funds

Hedge Funds: 9
Value Held: $3.7M
Shares Held: 1.7M
Avg Position: $414.0K
Median Position: $359.7K

Ownership Breakdown

Institutional (non-HF)

13.85%

$19.7M

Hedge Funds

2.62%

$3.7M

Retail & Other

83.53%

$118.9M

Based on market cap of $142.3M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in AMTX as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
VANGUARD GROUP INC Institution	Salim Ramji CEO	$5.6M 0.00% of portfolio	3.92% 2.5M shares	Q3 2014 Held for 11y 2m	$6.69T
G Grantham, Mayo, Van Otterloo & Co. LLC Long Only Manager	William Michael May Owner	$2.3M 0.01% of portfolio	1.60% 1.0M shares	Q2 2021 Held for 4y 5m	$35.4B
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	-	$1.7M 0.00% of portfolio	1.23% 775.4K shares	Q3 2020 Held for 5y 2m	$67.9B
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$1.5M 0.00% of portfolio	1.04% 660.2K shares	Q3 2014 Held for 11y 2m	$1.57T
B BlackRock, Inc. Institution	-	$1.3M 0.00% of portfolio	0.95% 598.5K shares	Q1 2017 Held for 8y 8m	$5.67T
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	Dan Michael Berkovitz Chairman	$1.2M 0.00% of portfolio	0.84% 529.9K shares	Q2 2025 Held for 5 months	$121.98B
GOLDMAN SACHS GROUP INC Institution	David M. Solomon CEO	$971.1K 0.00% of portfolio	0.68% 431.6K shares	Q1 2021 Held for 4y 8m	$691.34B
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	Peter Fitzhugh Brown CEO	$816.8K 0.00% of portfolio	0.57% 363.0K shares	Q3 2025 Held for 2 months	$75.8B
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	Kenneth Cordele Griffin CEO	$751.7K 0.00% of portfolio	0.53% 334.1K shares	Q2 2020 Held for 5y 5m	$122.08B
A Atlantic Trust Group, LLC Institution	-	$562.9K 0.00% of portfolio	0.40% 250.2K shares	Q1 2024 Held for 1y 8m	$58.4B

Net Capital Flow

Institutional buying and selling activity for AMTX in Q3 2025

Traded: +$1.1M
Buyers: 29
Sellers: 36
Total Bought: +$4.8M
Total Sold: −$3.7M
Avg Position: $285.7K

Biggest Buyers

Institution	Net Bought	Current Position
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	+$1.0M +454.5K shares	$1.7M 775.4K shares
RENAISSANCE TECHNOLOGIES LLC Hedge Fund•Quant	+$816.8K +363.0K shares	$816.8K 363.0K shares
VANGUARD GROUP INC Institution	+$742.0K +329.8K shares	$5.6M 2.5M shares
D D. E. Shaw & Co., Inc. Institution	+$449.8K +199.9K shares	$449.8K 199.9K shares
Marshall Wace LLP Institution	+$323.5K +143.8K shares	$323.5K 143.8K shares
GEODE CAPITAL MANAGEMENT LLC ETF Provider	+$216.9K +96.4K shares	$1.5M 660.2K shares
A Advisor Group Holdings, Inc. Institution	+$186.3K +82.8K shares	$186.3K 82.8K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	+$174.2K +77.4K shares	$751.7K 334.1K shares
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	+$120.4K +53.5K shares	$404.5K 179.8K shares
Susquehanna Portfolio Strategies, LLC Private Equity	+$119.7K +53.2K shares	$188.8K 83.9K shares

Biggest Sellers

Institution	Net Sold	Current Position
G Grantham, Mayo, Van Otterloo & Co. LLC Long Only Manager	−$1.5M −652.1K shares	$2.3M 1.0M shares
J JANE STREET GROUP, LLC Institution	−$366.9K −163.1K shares	$208.3K 92.6K shares
GOLDMAN SACHS GROUP INC Institution	−$253.1K −112.5K shares	$971.1K 431.6K shares
STATE STREET CORP Institution	−$244.6K −108.7K shares	$514.3K 228.6K shares
C Cubist Systematic Strategies, LLC Institution	−$226.9K −100.9K shares	$72.1K 32.0K shares
T TWO SIGMA SECURITIES, LLC Institution	−$130.5K −58.0K shares	$71.2K 31.7K shares
TWO SIGMA INVESTMENTS LLC Hedge Fund•Multi-Strategy	−$128.3K −57.0K shares	$359.7K 159.8K shares
WELLINGTON MANAGEMENT CO LLP Long Only Manager	−$121.5K −49.0K shares	Sold Off 0 shares
H HRT FINANCIAL LLC Institution	−$117.5K −47.4K shares	Sold Off 0 shares
Jain Global LLC Hedge Fund•Multi-Strategy	−$107.1K −43.2K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited AMTX in Q3 2025

New Positions: 3
New Value: $801.0
Exited Positions: 9
Exited Value: $565.9K

New Positions

Institution	Position Value
Bell Investment Advisors, Inc RIA/Wealth	$464.0 206.0 shares
SRS Capital Advisors, Inc. RIA/Wealth	$292.0 130.0 shares
O Optiver Holding B.V. Institution	$45.0 20.0 shares

Exited Positions

Institution	Previous Position
WELLINGTON MANAGEMENT CO LLP Long Only Manager	$121.5K 49.0K shares
H HRT FINANCIAL LLC Institution	$117.5K 47.4K shares
Jain Global LLC Hedge Fund•Multi-Strategy	$107.1K 43.2K shares
J Jump Financial, LLC Institution	$63.7K 25.7K shares
Y Y-Intercept Ltd Institution	$51.0K 20.6K shares
B BRASS TAX WEALTH MANAGEMENT, INC RIA/Wealth	$44.4K 17.9K shares
R Squared Ltd Private Equity	$29.7K 12.0K shares
C Catalyst Funds Management Pty Ltd Institution	$25.3K 10.2K shares
Caitong International Asset Management Co., Ltd RIA/Wealth	$5.7K 2.3K shares

Options Activity

Institutions with the largest Call and Put options positions in AMTX as of Q3 2025

Call Positions: 4
Call Value: $307.1K
Put Positions: 4
Put Value: $896.4K

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$164.7K 732.0 contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$76.1K 338.0 contracts
J JANE STREET GROUP, LLC Institution	$36.0K 160.0 contracts
W WOLVERINE TRADING, LLC Institution	$30.4K 131.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$591.5K 2.6K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$176.2K 783.0 contracts
W WOLVERINE TRADING, LLC Institution	$104.9K 452.0 contracts
J JANE STREET GROUP, LLC Institution	$23.9K 106.0 contracts

Most Committed Institutions

Institutions with AMTX as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
GSA CAPITAL PARTNERS LLP Hedge Fund•Quant	David Khabie-Zeitoune CEO	0.04% $404.5K	0.28% 179.8K shares	Q4 2024 Held for 11 months	$1.1B
T TWO SIGMA SECURITIES, LLC Institution	-	0.01% $71.2K	0.05% 31.7K shares	Q2 2025 Held for 5 months	$675.6M
Board of Trustees of The Leland Stanford Junior University Family Office	Anthony Stanley Waskiewicz Managing Partner	0.01% $56.9K	0.04% 25.3K shares	Q2 2014 Held for 11y 5m	$850.7M
G Grantham, Mayo, Van Otterloo & Co. LLC Long Only Manager	William Michael May Owner	0.01% $2.3M	1.60% 1.0M shares	Q2 2021 Held for 4y 5m	$35.4B
HUTCHINSON CAPITAL MANAGEMENT/CA RIA/Wealth	Steven Kelley Wilkes CEO	0.01% $35.1K	0.02% 15.6K shares	Q2 2024 Held for 1y 5m	$577.9M
S SIMPLEX TRADING, LLC Institution	-	0.01% $217.9K	0.15% 96.8K shares	Q1 2024 Held for 1y 8m	$4.1B
G GROUP ONE TRADING, L.P. Institution	-	0.01% $168.3K	0.12% 74.8K shares	Q2 2022 Held for 3y 5m	$3.3B
B BRIDGEWAY CAPITAL MANAGEMENT INC Long Only Manager	John Noland Ryan Montgomery CEO	0.00% $229.3K	0.16% 101.9K shares	Q3 2022 Held for 3y 2m	$4.7B
RB Capital Management, LLC RIA/Wealth	Robert William Ballan Managing Partner	0.00% $22.5K	0.02% 10.0K shares	Q2 2023 Held for 2y 5m	$460.3M
P Point72 Asia Pte. Ltd. Institution	-	0.00% $27.7K	0.02% 12.3K shares	Q2 2025 Held for 5 months	$645.8M

Hedge Fund Spotlight

Discover hedge funds investing in AMTX

GSA CAPITAL PARTNERS LLP

Hedge Fund • Quant

Portfolio ManagerDavid Khabie-Zeitoune

Portfolio Value: $1.1B
Positions: 1,504
Last Reported: Q3 2025

Sector Allocation

Position in Aemetis, Inc.

Market Value: $404.5K
Shares Held: 179.8K
Portfolio Weight: 0.04%
Owned Since: 2024-Q4

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