Institutional Ownership
Montauk Renewables Inc
CUSIP 61218C103COMMNTKQ1 2026
13D / 13G Filings
6
Schedule 13D/13G on record
Beneficial Filers
4
Distinct reporting persons
Largest Stake
40.1%
Max % of class reported
Institutional Holders
90
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
6 filings · latest Nov 24, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 24, 2025 | Peresec Prime Brokers (Pty) Ltd | 13G/A | 0.0% | 35.9K | SEC |
| 2 | Nov 10, 2025 | Aktiv Investment Management (Pty) Ltd | 13D | 15.7% | — | SEC |
| 3 | Feb 11, 2022 | Disant Holdings LP | 13G | 12.2% | 17.53M | SEC |
| 4 | Feb 11, 2022 | Circumference Energy Holdings LP | 13G | 40.1% | 57.62M | SEC |
| 5 | Apr 1, 2021 | Peresec Prime Brokers (Pty) Ltd | 13G/A | 15.2% | 21.39M | SEC |
| 6 | Mar 30, 2021 | Peresec Prime Brokers (Pty) Ltd | 13G | 15.9% | 22.29M | SEC |
Top Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Blackrock, Inc. | 4.22M | $4.85M |
| 2 | Geode Capital Management, LLC | 1.76M | $2.02M |
| 3 | Baader Bank Aktiengesellschaft | 1.60M | $1.85M |
| 4 | State Street Corp | 1.37M | $1.57M |
| 5 | Barclays PLC | 1.04M | $1.19M |
| 6 | American Century Companies Inc | 954.5K | $1.10M |
| 7 | Dimensional Fund Advisors LP | 736.6K | $847.3K |
| 8 | Charles Schwab Investment Management Inc | 520.6K | $598.7K |
| 9 | Northern Trust Corp | 505.4K | $581.2K |
| 10 | Hosking Partners LLP | 396.9K | $456.5K |