MONTAUK RENEWABLES INC (MNTK) is held by 67 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling MNTK?

In Q1 2026, 34 institutions opened or increased positions in MONTAUK RENEWABLES INC while 28 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on MNTK?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for MONTAUK RENEWABLES INC.

How many hedge funds hold MNTK?

67 institutional investors report holding MONTAUK RENEWABLES INC (MNTK) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into MNTK?

As of Q1 2026, tracked institutions in MONTAUK RENEWABLES INC show 34 buyers versus 28 sellers — net inflows.

MONTAUK RENEWABLES INC

MNTK·61218C103·US·Common Stock·Basic Materials - Specialty Chemicals-Activist

Holders

Avg rating(16 Elite)

$20.8M

Total Value

55% (71)

Fund Consensus

34 buying - 28 selling

Smart Money Verdict

View all

Held by 67 funds

16 elite

Who's Trading

InsiderCACopelyn John ABuy $25KMay 11, 2026

ActivistPPPeresec Prime Brokers (Pty) Ltd$58KNov 24, 2025

ActivistAIAktiv Investment Management (Pty) Ltd15.7%Nov 10, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	4.2M(-2.4%)	$4.9M	0.0%	-60.03%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.7M	$3.1M	0.0%	+2.55%	37
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.8M(+2.0%)	$2M	0.0%	-82.71%	26
STATE STREET CORP	Decreased	1.4M(-1.5%)	$1.6M	0.0%	-81.23%	0
BARCLAYS PLC	Increased	1M(+849.9%)	$1.2M	0.0%	-17.88%	41
AMERICAN CENTURY COMPANIES INC	Decreased	954,468(-0.1%)	$1.1M	0.0%	-66.42%	0
DIMENSIONAL FUND ADVISORS LP	Decreased	736,584(-11.5%)	$847,298	0.0%	-74.24%	0
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	520,611(-4.4%)	$598,703	0.0%	-83.80%	0
NORTHERN TRUST CORP	Increased	505,374(+8.5%)	$581,179	0.0%	-82.17%	26
VFVANGUARD FIDUCIARY TRUST CO	New	432,268	$497,108	0.0%	+2.55%	33
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	388,919	$447,257	0.0%	+2.55%	37
RENAISSANCE TECHNOLOGIES LLC	Increased	354,600(+3.5%)	$407,790	0.0%	-66.98%	25
GOLDMAN SACHS GROUP INC	Increased	331,189(+69.0%)	$380,867	0.0%	-32.30%	24
FIRST TRUST ADVISORS LP	Decreased	311,950(-7.8%)	$358,742	0.0%	-89.77%	0
MORGAN STANLEY	Decreased	261,398(-20.5%)	$300,607	0.0%	-64.63%	0
MILLENNIUM MANAGEMENT LLC	Increased	206,854(+706.5%)	$237,882	0.0%	-4.00%	37
MWMARSHALL WACE, LLP	New	204,636	$235,331	0.0%	+2.55%	32
Bank of New York Mellon Corp	Decreased	195,907(-6.5%)	$225,293	0.0%	-83.24%	0
JPMORGAN CHASE & CO	Decreased	162,252(-5.8%)	$193,080	0.0%	-39.08%	0
ALLIANCEBERNSTEIN L.P.	Unchanged	97,520	$162,858	0.0%	-80.16%	0