Montauk Renewables, Inc.
MNTK- Exchange
- Nasdaq
- Industry
- Gas & Other Services Combined
- SEC CIK
- 0001826600
No open-market purchases or sales by Montauk Renewables, Inc. insiders were filed in the last 90 days; 90 institutions reported holding it in 13F filings for Q2 2026, worth $33.3M in total; no superinvestor holds it.
13F holders, Q2 2021
Institutional positions in Montauk Renewables, Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 20
- −4 vs. Q1 2021
- Shares held
- 2.83M
- −823.2K (−22.6%) vs. Q1 2021
- Total value
- $21.2M
- −$21.1M (−49.9%) vs. Q1 2021
- New holders
- 5
- 7 more added
- Sold out
- 9
- 6 more reduced
Compare with Q1 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MNTK on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 90 | $33.3M |
| Q1 2026 | 94 | $24.0M |
| Q4 2025 | 83 | $33.3M |
| Q3 2025 | 91 | $41.7M |
| Q2 2025 | 86 | $46.4M |
| Q1 2025 | 93 | $45.4M |
| Q4 2024 | 96 | $88.6M |
| Q3 2024 | 95 | $115.6M |
| Q2 2024 | 111 | $130.7M |
| Q1 2024 | 114 | $98.2M |
| Q4 2023 | 105 | $212.1M |
| Q3 2023 | 95 | $209.4M |
| Q2 2023 | 93 | $176.1M |
| Q1 2023 | 94 | $189.0M |
| Q4 2022 | 97 | $268.3M |
| Q3 2022 | 90 | $393.4M |
| Q2 2022 | 76 | $209.0M |
| Q1 2022 | 47 | $156.3M |
| Q4 2021 | 26 | $126.2M |
| Q3 2021 | 20 | $70.1M |
| Q2 2021 | 20 | $21.2M |
| Q1 2021 | 24 | $42.3M |
Institutions, Q2 2021
Shares, value and share of portfolio for each institution holding Montauk Renewables, Inc.; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Grantham, Mayo, Van Otterloo & Co. LLC | 1,600,877 | $12.3M | 0.06% | +586,579+57.8% | Added |
| Fort Washington Investment Advisors Inc | 237,634 | $1.82M | 0.02% | +173,053+268.0% | Added |
| Arosa Capital Management LP | 225,000 | $1.72M | 0.61% | 00.0% | Unchanged |
| Penn Capital Management Co Inc | 98,281 | $753.0K | 0.07% | +8,134+9.0% | Added |
| 1492 Capital Management LLC | 94,908 | $727.0K | 0.38% | +94,908 | New |
| ExodusPoint Capital Management, LP | 85,546 | $655.0K | 0.01% | −45,954−34.9% | Reduced |
| Geode Capital Management, LLC | 82,646 | $633.0K | 0.00% | +4,968+6.4% | Added |
| Millennium Management LLC | 59,341 | $455.0K | 0.00% | +27,893+88.7% | Added |
| Russell Investments Group, Ltd. | 52,569 | $404.0K | 0.00% | 00.0% | Unchanged |
| Goldman Sachs Group Inc | 40,028 | $306.0K | 0.00% | −30,543−43.3% | Reduced |
| Citadel Advisors LLC | 39,319 | $302.0K | 0.00% | +39,319 | New |
| Manatuck Hill Partners, LLC | 29,081 | $223.0K | 0.07% | −30,119−50.9% | Reduced |
| Bank of America Corp | 28,342 | $217.0K | 0.00% | +23,186+449.7% | Added |
| UBS Group AG | 28,144 | $216.0K | 0.00% | −28,697−50.5% | Reduced |
| HRT Financial LP | 22,954 | $175.0K | 0.00% | +22,954 | New |
| Renaissance Technologies LLC | 22,700 | $174.0K | 0.00% | +22,700 | New |
| HSBC Holdings PLC | 12,389 | $92.0K | 0.00% | +12,389 | New |
| Morgan Stanley | 6,303 | $48.0K | 0.00% | +2,051+48.2% | Added |
| JPMorgan Chase & Co | 312 | $2.00K | 0.00% | −5,149−94.3% | Reduced |
| Harel Insurance Investments & Financial Services Ltd. | 59,386 | – | – | −78,071−56.8% | Reduced |
| Royal Bank of Canada | 0 | $0 | 0.00% | −672,191−100.0% | Sold out |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0 | $0 | 0.00% | −526,116−100.0% | Sold out |
| Invesco Ltd. | 0 | $0 | 0.00% | −293,041−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −75,000−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −20,541−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −18,000−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −10,672−100.0% | Sold out |
| Thompson Siegel & Walmsley LLC | 0 | $0 | 0.00% | −6,050−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,161−100.0% | Sold out |