DOSSIER · 13F Holders · Q2 2026
MNTK

MONTAUK RENEWABLES INC

98 institutions still hold MONTAUK RENEWABLES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 61218C103·98 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$30M
visible holders
Holders
98
filers reporting
Concentration
24.72%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

98 institutions reported MNTK in Q2 2026. BlackRock, Inc. leads at 24.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$7M4.7M0.00%Q2 2026
02
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$4M2.7M0.00%Q2 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$3M1.9M0.00%Q2 2026
04
Baader Bank Aktiengesellschaft
CIK 0001542629
$3M1.6M0.19%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$2M1.4M0.00%Q2 2026
06
BARCLAYS PLC
CIK 0000312069
$1M954K0.00%Q2 2026
07
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$1M950K0.00%Q2 2026
08
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$841K539K0.00%Q2 2026
09
NORTHERN TRUST CORP
CIK 0000073124· Index
$836K536K0.00%Q2 2026
10
Vanguard Portfolio Management
CIK 0002100121· Index
$732K469K0.00%Q2 2026
11
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$700K449K0.00%Q2 2026
12
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$684K439K0.00%Q2 2026
13
Hosking Partners LLP
CIK 0001650135
$609K391K0.02%Q2 2026
14
FIRST TRUST ADVISORS LP
CIK 0001125816· Index
$596K382K0.00%Q2 2026
15
GOLDMAN SACHS GROUP INC
CIK 0000886982
$589K377K0.00%Q2 2026
16
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$569K365K0.00%Q2 2026
17
JPMORGAN CHASE & CO
CIK 0000019617
$423K271K0.00%Q2 2026
18
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
$372K238K0.00%Q2 2026
19
GSA CAPITAL PARTNERS LLP
CIK 0001362033
$333K290K0.02%Q1 2026
20
D. E. Shaw & Co., Inc.
CIK 0001009207
$321K192K0.00%Q4 2025
Page 1 of 5
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Insiders at MONTAUK RENEWABLES INC
Van Asdalan Kevin AFrank Sharon RBarsch MichaelShaw James AMcclain Sean FCiroli JohnHill Scott E