IR
Superintel
OverviewMarketsWatchlist
© 2026 IR SuperintelMethodologyContact

Montauk Renewables Inc (MNTK)

CUSIP: 61218C103 | NYSE | Basic Materials · Specialty Chemicals | Micro Cap | 273 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13DAktiv Investment Management (Pty) Ltd22,297,68815.7%New 5%+ stakeNov 3, 2025No 13F filer matched
13DAktiv Investment Management (Pty) Ltd22,297,688
15.7% of class · Nov 3, 2025New 5%+ stake
No 13F filer matched

Institutional Holders — Q3 2026

Geode Capital Management, LLC1,694,458
0.0% of portfolio›$4.6M
Barclays PLC819,052
0.0% of portfolio›$2.2M
Russell Investments Group, Ltd.430,267
0.0% of portfolio›$1.2M
Dimensional Fund Advisors LP390,086
0.0% of portfolio›$1.1M
Hosking Partners LLP370,553
0.0% of portfolio›$1.0M
Bank of New York Mellon Corp202,780
0.0% of portfolio›$553.6K
Strs Ohio68,500
0.0% of portfolio›$187.0K
Deutsche Bank Ag\57,865
0.0% of portfolio›$158.0K
J. Derek Lewis & Associates Inc.50,000
0.0% of portfolio›$136.5K
Citigroup Inc11,164
0.0% of portfolio›$30.5K
Farther Finance Advisors, LLC5,213
0.0% of portfolio›$14.2K
Gamma Investing LLC1,719
0.0% of portfolio›$4.7K
Sterling Capital Management LLC1,548
0.0% of portfolio›$4.2K
Summit Securities Group LLC1,077
0.0% of portfolio›$2.9K
PNC Financial Services Group, Inc.859
0.0% of portfolio›$2.3K
Nisa Investment Advisors, LLC700
0.0% of portfolio›$1.9K
Allworth Financial LP678
0.0% of portfolio›$1.1K
Parkside Financial Bank & Trust660
0.0% of portfolio›$1.8K
EverSource Wealth Advisors, LLC493
0.0% of portfolio›$1.3K
Essential Partners LLC360
0.0% of portfolio›$983
True Wealth Design, LLC123
0.0% of portfolio›$336
Latitude Advisors, LLC100
0.0% of portfolio›$273
Root Financial Partners, LLC92
0.0% of portfolio›$251
SJS Investment Consulting Inc.87
0.0% of portfolio›$238
SBI Securities Co., Ltd.49
0.0% of portfolio›$134
Private Wealth Management Group, LLC43
0.0% of portfolio›$118
IFP Advisors, Inc23
0.0% of portfolio›$63
Provenance Wealth Advisors, LLC16
0.0% of portfolio›$44
Clearstead Advisors, LLC6
0.0% of portfolio›$17
StyleTurnoverLocationFiled
Geode Capital Management, LLC
1,694,458$4.6M0.0%IndexVery LowBoston, MA2026-11-06
Barclays PLC
819,052$2.2M0.0%CoreMediumLondon, United Kingdom2026-11-06
Russell Investments Group, Ltd.
430,267$1.2M0.0%CoreLowSeattle, WA2026-11-06
Dimensional Fund Advisors LP
390,086$1.1M0.0%IndexLowAustin, TX2026-11-04
Hosking Partners LLP
370,553$1.0M0.0%GARPLowLondon, United Kingdom2026-10-21
Bank of New York Mellon Corp
202,780$553.6K0.0%CoreLowNew York, NY2026-11-05
Strs Ohio
68,500$187.0K0.0%CoreMediumColumbus, OH2026-10-30
Deutsche Bank Ag\
57,865$158.0K0.0%CoreMediumFrankfurt Am Main, Hong Kong2026-11-06
J. Derek Lewis & Associates Inc.
50,000$136.5K0.0%ETFLowNewport Beach, CA2026-11-03
Citigroup Inc
11,164$30.5K0.0%CoreMediumNew York, NY2026-11-04
Farther Finance Advisors, LLC
5,213$14.2K0.0%IndexLowSan Francisco, CA2026-10-08
Gamma Investing LLC
1,719$4.7K0.0%IndexVery LowFoster City, CA2026-10-08
Sterling Capital Management LLC
1,548$4.2K0.0%GARPMediumCharlotte, NC2026-10-22
Summit Securities Group LLC
1,077$2.9K0.0%CoreVery HighNew York, NY2026-11-05
PNC Financial Services Group, Inc.
859$2.3K0.0%GrowthVery LowPittsburgh, PA2026-11-06
Nisa Investment Advisors, LLC
700$1.9K0.0%IndexVery LowSt. Louis, MO2026-10-20
Allworth Financial LP
678$1.1K0.0%IndexLowFolsom, CA2026-11-06
Parkside Financial Bank & Trust
660$1.8K0.0%CoreVery LowSaint Louis, MO2026-10-27
EverSource Wealth Advisors, LLC
493$1.3K0.0%CoreMediumBirmingham, AL2026-11-04
Essential Partners LLC
360$9830.0%ValueMediumRancho Santa Fe, CA2026-10-14
True Wealth Design, LLC
123$3360.0%ETFMediumAkron, OH2026-10-13
Latitude Advisors, LLC
100$2730.0%ETFLowYorkville, IL2026-10-27
Root Financial Partners, LLC
92$2510.0%ETFMediumEncinitas, CA2026-10-21
SJS Investment Consulting Inc.
87$2380.0%ETFVery LowSylvania, OH2026-10-26
SBI Securities Co., Ltd.
49$1340.0%Agg GrowthLowTokyo, Mexico2026-10-22
Private Wealth Management Group, LLC
43$1180.0%ETFLowPrinceton, NJ2026-10-19
IFP Advisors, Inc
23$630.0%GrowthLowTampa, FL2026-10-16
Provenance Wealth Advisors, LLC
16$440.0%ETFLowFort Lauderdale, FL2026-10-30
Clearstead Advisors, LLC
6$170.0%ETFLowCleveland, OH2026-11-06