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, Q1 2026
Institutional positions in Montauk Renewables, Inc. as of Mar 31, 2026. 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
- 94
- +12 vs. Q4 2025
- Shares held
- 20.8M
- +4.44M (+27.1%) vs. Q4 2025
- Total value
- $24.0M
- −$3.41M (−12.5%) vs. Q4 2025
- New holders
- 21
- 29 more added
- Sold out
- 9
- 30 more reduced
1 institution that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Montauk Renewables, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Covestor Ltd | 64 | $0 | 0.00% | +42+190.9% | Added |
| Caitong International Asset Management Co., Ltd | 2 | $2 | 0.00% | +2 | New |
| Allworth Financial LP | 5 | $6 | 0.00% | −10−66.7% | Reduced |
| SRS Capital Advisors, Inc. | 5 | $7 | 0.00% | +5 | New |
| Sunbelt Securities, Inc. | 13 | $15 | 0.00% | +13 | New |
| MAI Capital Management | 21 | $25 | 0.00% | +21 | New |
| Rothschild Investment LLC | 25 | $29 | 0.00% | −61−70.9% | Reduced |
| True Wealth Design, LLC | 57 | $66 | 0.00% | +45+375.0% | Added |
| EverSource Wealth Advisors, LLC | 69 | $79 | 0.00% | −54−43.9% | Reduced |
| Farther Finance Advisors, LLC | 82 | $93 | 0.00% | +22+36.7% | Added |
| SBI Securities Co., Ltd. | 116 | $133 | 0.00% | +102+728.6% | Added |
| The PNC Financial Services Group, Inc. | 133 | $153 | 0.00% | −155−53.8% | Reduced |
| Essential Partners LLC | 187 | $215 | 0.00% | +165+750.0% | Added |
| IFP Advisors, Inc | 188 | $216 | 0.00% | +188 | New |
| GAMMA Investing LLC | 339 | $390 | 0.00% | −5,663−94.4% | Reduced |
| Optiver Holding B.V. | 636 | $731 | 0.00% | −448−41.3% | Reduced |
| FMR LLC | 810 | $932 | 0.00% | −8,348−91.2% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,200 | $1.38K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,846 | $2.12K | 0.00% | −1,299−41.3% | Reduced |
| CWM, LLC | 2,274 | $2.62K | 0.00% | +1,147+101.8% | Added |
| Royal Bank of Canada | 3,008 | $3.00K | 0.00% | +1,006+50.2% | Added |
| Ninety One SA (PTY) Ltd | 3,110 | $3.42K | 0.00% | +3,110 | New |
| New York State Common Retirement Fund | 3,365 | $3.87K | 0.00% | 00.0% | Unchanged |
| California State Teachers Retirement System | 3,641 | $4.19K | 0.00% | −497−12.0% | Reduced |
| Advisor Group Holdings, Inc. | 4,000 | $4.60K | 0.00% | +4,000 | New |
| Simplex Trading, LLC | 4,915 | $5.65K | 0.00% | +4,915 | New |
| Legal & General Group Plc | 5,771 | $6.61K | 0.00% | −290−4.8% | Reduced |
| Ameritas Investment Partners, Inc. | 6,625 | $7.62K | 0.00% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 7,852 | $9.03K | 0.00% | −472−5.7% | Reduced |
| Jones Financial Companies LLLP | 9,259 | $11.2K | 0.00% | +9,259 | New |
| N.E.W. Advisory Services LLC | 10,000 | $11.5K | 0.00% | 00.0% | Unchanged |
| Point72 Asset Management, L.P. | 10,871 | $12.5K | 0.00% | +453+4.3% | Added |
| Toroso Investments, LLC | 11,738 | $13.5K | 0.00% | +11,738 | New |
| Voya Investment Management LLC | 13,694 | $15.7K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 14,173 | $16.3K | 0.00% | +14,173 | New |
| BNP Paribas Arbitrage, SA | 14,701 | $16.9K | 0.00% | +294+2.0% | Added |
| Prudential Financial Inc | 14,810 | $17.0K | 0.00% | +14,810 | New |
| Citigroup Inc | 15,781 | $18.1K | 0.00% | +8,518+117.3% | Added |
| Police & Firemen's Retirement System of New Jersey | 16,326 | $18.8K | 0.00% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 16,469 | $18.9K | 0.00% | −20,824−55.8% | Reduced |
| Neuberger Berman Group LLC | 16,744 | $19.3K | 0.00% | +4,219+33.7% | Added |
| Tower Research Capital LLC (TRC) | 17,233 | $19.8K | 0.00% | +11,358+193.3% | Added |
| Intech Investment Management LLC | 17,748 | $20.4K | 0.00% | −13,738−43.6% | Reduced |
| Engineers Gate Manager LP | 18,628 | $21.4K | 0.00% | +5,054+37.2% | Added |
| Manufacturers Life Insurance Company, The | 18,967 | $21.8K | 0.00% | −1,615−7.8% | Reduced |
| Boyer Financial Services, Inc. | 22,990 | $26.4K | 0.03% | +22,990 | New |
| Vanguard Global Advisers, LLC | 23,853 | $27.4K | 0.00% | +23,853 | New |
| Susquehanna International Group, LLP | 24,495 | $28.2K | 0.00% | +8,683+54.9% | Added |
| Wells Fargo & Company | 25,214 | $29.0K | 0.00% | −49,835−66.4% | Reduced |
| Quadrature Capital Ltd | 26,928 | $31.0K | 0.00% | +26,928 | New |
| Los Angeles Capital Management LLC | 29,205 | $33.6K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 31,293 | $35.5K | 0.00% | −1,295−4.0% | Reduced |
| Arrowstreet Capital, Limited Partnership | 32,288 | $37.1K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 32,892 | $37.8K | 0.00% | +766+2.4% | Added |
| Price T Rowe Associates Inc | 33,876 | $39.0K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 35,576 | $39.5K | 0.00% | −95,111−72.8% | Reduced |
| Squarepoint Ops LLC | 35,893 | $41.3K | 0.00% | +35,893 | New |
| Invesco Ltd. | 37,339 | $42.9K | 0.00% | +6,284+20.2% | Added |
| AQR Capital Management LLC | 38,351 | $44.1K | 0.00% | +23,794+163.5% | Added |
| STRS Ohio | 40,000 | $46.0K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 41,867 | $48.1K | 0.00% | −27,189−39.4% | Reduced |
| Deutsche Bank AG | 47,007 | $54.1K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 56,106 | $62.0K | 0.00% | +44,174+370.2% | Added |
| Bank of America Corp | 60,707 | $69.8K | 0.00% | +1,558+2.6% | Added |
| Storebrand Asset Management AS | 82,175 | $94.5K | 0.00% | −17,232−17.3% | Reduced |
| J. Derek Lewis & Associates Inc. | 85,000 | $97.8K | 0.02% | +85,000 | New |
| Rhumbline Advisers | 93,078 | $107.0K | 0.00% | −3,630−3.8% | Reduced |
| Rathbone Brothers plc | 102,000 | $117.3K | 0.00% | +10,000+10.9% | Added |
| D. E. Shaw & Co., Inc. | 118,256 | $136.0K | 0.00% | −74,092−38.5% | Reduced |
| Nuveen, LLC | 139,608 | $160.6K | 0.00% | +858+0.6% | Added |
| Alliancebernstein L.P. | 97,520 | $162.9K | 0.00% | 00.0% | Unchanged |
| JPMorgan Chase & Co | 162,252 | $193.1K | 0.00% | −9,940−5.8% | Reduced |
| JTC Employer Solutions Trusteee Ltd | 197,859 | $217.0K | 0.02% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 195,907 | $225.3K | 0.00% | −13,661−6.5% | Reduced |
| Marshall Wace, LLP | 204,636 | $235.3K | 0.00% | +204,636 | New |
| Millennium Management LLC | 206,854 | $237.9K | 0.00% | +181,204+706.4% | Added |
| Morgan Stanley | 261,398 | $300.6K | 0.00% | −67,264−20.5% | Reduced |
| Gsa Capital Partners LLP | 289,894 | $333.0K | 0.02% | +47,248+19.5% | Added |
| First Trust Advisors LP | 311,950 | $358.7K | 0.00% | −26,269−7.8% | Reduced |
| Goldman Sachs Group Inc | 331,189 | $380.9K | 0.00% | +135,157+68.9% | Added |
| Renaissance Technologies LLC | 354,600 | $407.8K | 0.00% | +11,900+3.5% | Added |
| Vanguard Portfolio Management LLC | 388,919 | $447.3K | 0.00% | +388,919 | New |
| Hosking Partners LLP | 396,932 | $456.5K | 0.02% | +682+0.2% | Added |
| Vanguard Fiduciary Trust Co | 432,268 | $497.1K | 0.00% | +432,268 | New |
| Northern Trust Corp | 505,374 | $581.2K | 0.00% | +39,639+8.5% | Added |
| Charles Schwab Investment Management Inc | 520,611 | $598.7K | 0.00% | −24,038−4.4% | Reduced |
| Dimensional Fund Advisors LP | 736,584 | $847.3K | 0.00% | −95,950−11.5% | Reduced |
| American Century Companies Inc | 954,468 | $1.10M | 0.00% | −643−0.1% | Reduced |
| Barclays PLC | 1,038,917 | $1.19M | 0.00% | +929,541+849.9% | Added |
| State Street Corp | 1,365,473 | $1.57M | 0.00% | −20,487−1.5% | Reduced |
| Baader Bank INC | 1,605,000 | $1.85M | 0.18% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,759,278 | $2.02M | 0.00% | +34,345+2.0% | Added |
| Vanguard Capital Management LLC | 2,688,714 | $3.09M | 0.00% | +2,688,714 | New |
| BlackRock, Inc. | 4,218,997 | $4.85M | 0.00% | −105,289−2.4% | Reduced |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −200,021−100.0% | Sold out |
| Andina Capital Management, LLC | 0 | $0 | 0.00% | −41,572−100.0% | Sold out |
| R Squared Ltd | 0 | $0 | 0.00% | −28,945−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −26,353−100.0% | Sold out |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −23,215−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −16,800−100.0% | Sold out |