Montauk Renewables, Inc.

MNTKNASDAQ

$2.87+0.08 (+2.87%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Montauk Renewables, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+42.1%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	3.29%	$7.35M	0.00%	Not reported
Vanguard Capital Management LLC	1.89%	$4.22M	0.00%	Not reported
Geode Capital Management, LLC	1.31%	$2.93M	0.00%	Not reported
Baader Bank Aktiengesellschaft	1.12%	$2.5M	0.19%	Not reported
State Street Corp	0.96%	$2.14M	0.00%	Not reported
Barclays PLC	0.67%	$1.49M	0.00%	Not reported
American Century Companies Inc	0.66%	$1.48M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.38%	$841K	0.00%	Not reported
Northern Trust Corp	0.37%	$836K	0.00%	Not reported
Vanguard Portfolio Management LLC	0.33%	$732K	0.00%	Not reported
Dimensional Fund Advisors LP	0.31%	$700K	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.31%	$684K	0.00%	Not reported
Hosking Partners LLP	0.27%	$609K	0.02%	Reduce 1.62%
First Trust Advisors LP	0.27%	$596K	0.00%	Add 22.42%
Goldman Sachs Group Inc	0.26%	$589K	0.00%	Not reported
Renaissance Technologies LLC	0.25%	$569K	0.00%	Not reported
JPMorgan Chase & Co	0.19%	$423K	0.00%	Not reported
AQR Capital Management LLC	0.17%	$372K	0.00%	Not reported
Gsa Capital Partners LLP	0.14%	$314K	0.02%	Not reported
JTC Employer Solutions Trustee Ltd	0.14%	$311K	0.02%	Not reported
Bank of New York Mellon Corp	0.14%	$306K	0.00%	Not reported
Morgan Stanley	0.12%	$261K	0.00%	Not reported
Nuveen, LLC	0.11%	$253K	0.00%	Not reported
Alliancebernstein L.P.	0.10%	$163K	0.00%	Not reported
Caprock Group, LLC	0.08%	$187K	0.00%	New Not reported
J. Derek Lewis & Associates Inc.	0.07%	$166K	0.03%	Add 25.29%
D. E. Shaw & Co., Inc.	0.07%	$158K	0.00%	Not reported
Rhumbline Advisers	0.07%	$148K	0.00%	Not reported
Rathbones Group PLC	0.06%	$144K	0.00%	Reduce 54.90%
Storebrand Asset Management As	0.06%	$137K	0.00%	Add 7.18%
Acadian Asset Management LLC	0.06%	$126K	0.00%	Not reported
Marshall Wace, LLP	0.06%	$126K	0.00%	Not reported
UBS Group AG	0.05%	$107K	0.00%	Not reported
Citadel Advisors LLC	0.04%	$91.8K	0.00%	Not reported
Wells Fargo & Company	0.04%	$91.3K	0.00%	Not reported
Russell Investments Group, Ltd.	0.04%	$88.1K	0.00%	Not reported
STRS Ohio	0.03%	$76.1K	0.00%	Not reported
Deutsche Bank Ag\	0.03%	$75.9K	0.00%	Not reported
Bank of America Corp	0.03%	$70.3K	0.00%	Not reported
Millennium Management LLC	0.03%	$67.8K	0.00%	Not reported
Prudential Financial Inc	0.03%	$62.4K	0.00%	Not reported
Invesco Ltd.	0.03%	$56K	0.00%	Not reported
Ieq Capital, LLC	0.02%	$51.7K	0.00%	Not reported
Arrowstreet Capital, Limited Partnership	0.02%	$50.4K	0.00%	Not reported
Citigroup Inc	0.02%	$49.5K	0.00%	Not reported
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.02%	$49.2K	0.00%	Not reported
Vanguard Global Advisers, LLC	0.02%	$37.2K	0.00%	Not reported
Vontobel Holding Ltd.	0.01%	$27.9K	0.00%	New Not reported
Intech Investment Management LLC	0.01%	$27.5K	0.00%	Not reported
Engineers Gate Manager LP	0.01%	$25.8K	0.00%	Not reported

50 of 87 holders

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