Aemetis Ownership | Who Owns Aemetis?

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Aemetis Ownership Summary

Aemetis is owned by 5.63% institutional investors, 7.07% insiders, and 87.30% retail investors. Blackrock is the largest institutional shareholder, holding 5.43% of AMTX shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.85% of its assets in Aemetis shares.

AMTX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Aemetis	5.63%	7.07%	87.30%
Sector	Energy Stocks	147.73%	15.16%	-62.89%
Industry	Oil & Gas Refining & Marketing Stocks	31.60%	13.63%	54.77%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock	2.27M	5.43%	$6.85M
Vanguard group	2.94M	4.61%	$4.08M
Grantham, mayo, van otterloo	1.01M	1.75%	$2.28B
Geode capital management	693.45K	1.09%	$964.18K
Blackrock funding, inc. /de	619.19K	0.97%	$860.68K
Susquehanna group, llp	427.30K	0.91%	$1.15M
State street	228.60K	0.40%	$514.35K
Cibc private wealth group	250.39K	0.39%	$348.04K
Hamilton capital partners	200.69K	0.32%	$278.95K
Jane street group	182.92K	0.29%	$254.25K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Caitong asset management	35.32K	0.13%	$49.10K
Hamilton capital partners	200.69K	0.09%	$278.95K
Gsa capital partners llp	105.22K	0.01%	$146.00K
Two sigma securities	31.66K	0.01%	$71.23K
Board of trustees of the leland stanford junior university	25.30K	0.01%	$56.92K
Grantham, mayo, van otterloo	1.01M	0.01%	$2.28B
Ica group wealth management	3.20K	0.01%	$9.63K
Bridgeway capital management	101.90K	0.00%	$229.28K
Point72 asia (singapore) pte.	12.32K	0.00%	$27.73K
Hutchinson capital management/ca	15.60K	0.00%	$21.68K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	2.27M	0.00%	1.79M
Vanguard group	2.94M	0.00%	455.84K
Hamilton capital partners	200.69K	0.09%	200.69K
Susquehanna group, llp	427.30K	0.00%	149.76K
Marshall wace, llp	143.78K	0.00%	143.78K

Top Sellers

Holder	Shares	% Assets	Change
Encompass capital advisors	-	-	-1.71M
Grantham, mayo, van otterloo	1.01M	0.01%	-652.10K
Renaissance	-	-	-363.00K
Goldman sachs group	96.69K	-	-334.89K
Millennium management	-	-	-248.81K

New Positions

Holder	Shares	% Assets	Change	Value
Hamilton capital partners	200.69K	0.09%	200.69K	$278.95K
Marshall wace, llp	143.78K	0.00%	143.78K	$323.50K
Advisor group	82.82K	0.00%	82.82K	$186.34K
Steward partners investment advisory	1.00K	-	1.00K	$1.39K
Optiver b.v.	20.00	-	20.00	$45.00

Sold Out

Holder	Change
National bank of canada /fi/	-3.00
True wealth design	-23.00
Eversource wealth advisors	-80.00
Assetmark	-81.00
Srs capital advisors	-130.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	14	-82.93%	3,586,892	-66.35%	5	1.65%	5	-84.38%	4	-84.62%
Sep 30, 2025	20	-72.60%	2,924,537	-67.47%	5	2.09%	7	-81.08%	3	-86.36%
Jun 30, 2025	78	-2.50%	9,902,163	-13.61%	17	3.61%	38	26.67%	24	-14.29%
Mar 31, 2025	80	-2.44%	11,460,677	-6.97%	21	3.20%	30	-37.50%	29	123.08%
Dec 31, 2024	80	6.67%	12,294,929	9.27%	26	4.59%	47	56.67%	13	-38.10%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.89M	2.85%	-
Vanguard US Total Market Shares ETF	1.26M	2.36%	-
iShares Russell 2000 ETF	896.15K	1.62%	-
Vanguard Institutional Extnd Mkt Idx Tr	647.55K	0.98%	65.36K
GMO Resources III	454.92K	0.69%	-
GMO Resources Composite	454.92K	0.69%	-
Fidelity Small Cap Index	366.80K	0.66%	-
iShares Russell 2000 Value ETF	337.70K	0.61%	-
Fidelity Extended Market Index	323.21K	0.49%	14.00K
GMO Climate Change Investment A GBP Acc	217.30K	0.42%	-39.70K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 14, 2025	BARTON FRANCIS P	-	Sell	$3.29K
Aug 14, 2025	BARTON FRANCIS P	-	Sell	$12.67K
Aug 14, 2025	BARTON FRANCIS P	-	Sell	$20.27K
Aug 14, 2025	BARTON FRANCIS P	-	Sell	$30.79K
May 23, 2024	BLOCK JOHN R	-	Sell	$180.01K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	4
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	-
2024 Q2	-	1

AMTX Ownership FAQ

Who Owns Aemetis?

Aemetis shareholders are primarily institutional investors at 5.63%, followed by 7.07% insiders and 87.30% retail investors. The average institutional ownership in Aemetis's industry, Oil & Gas Refining & Marketing Stocks, is 31.60%, which Aemetis falls below.

Who owns the most shares of Aemetis?

Aemetis’s largest shareholders are Blackrock (2.27M shares, 5.43%), Vanguard group (2.94M shares, 4.61%), and Grantham, mayo, van otterloo (1.01M shares, 1.75%). Together, they hold 11.79% of Aemetis’s total shares outstanding.

Does Blackrock own Aemetis?

Yes, BlackRock owns 5.43% of Aemetis, totaling 2.27M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 6.85M$. In the last quarter, BlackRock increased its holdings by 1.79M shares, a 365.24% change.

Who is Aemetis’s biggest shareholder by percentage of total assets invested?

Caitong asset management is Aemetis’s biggest shareholder by percentage of total assets invested, with 0.13% of its assets in 35.32K Aemetis shares, valued at 49.1K$.

Who is the top mutual fund holder of Aemetis shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Aemetis shares, with 2.85% of its total shares outstanding invested in 1.89M Aemetis shares.

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