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 2026
Institutional positions in Montauk Renewables, Inc. as of Jun 30, 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
- 90
- −2 vs. Q1 2026
- Shares held
- 21.4M
- +574.2K (+2.8%) vs. Q1 2026
- Total value
- $33.3M
- +$9.33M (+38.9%) vs. Q1 2026
- New holders
- 12
- 38 more added
- Sold out
- 14
- 26 more reduced
2 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Montauk Renewables, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Caitong International Asset Management Co., Ltd | 2 | $3 | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 4 | $6 | 0.00% | −632−99.4% | Reduced |
| Clearstead Advisors, LLC | 9 | $15 | 0.00% | +9 | New |
| JPL Wealth Management, LLC | 9 | $15 | 0.00% | +9 | New |
| SBI Securities Co., Ltd. | 15 | $23 | 0.00% | −101−87.1% | Reduced |
| SJS Investment Consulting Inc. | 16 | $25 | 0.00% | +16 | New |
| Rothschild Investment LLC | 109 | $170 | 0.00% | +84+336.0% | Added |
| The PNC Financial Services Group, Inc. | 136 | $212 | 0.00% | +3+2.3% | Added |
| Farther Finance Advisors, LLC | 152 | $237 | 0.00% | +70+85.4% | Added |
| True Wealth Design, LLC | 152 | $238 | 0.00% | +95+166.7% | Added |
| IFP Advisors, Inc | 191 | $298 | 0.00% | +3+1.6% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 246 | $384 | 0.00% | −7,606−96.9% | Reduced |
| GAMMA Investing LLC | 263 | $410 | 0.00% | −76−22.4% | Reduced |
| Essential Partners LLC | 388 | $605 | 0.00% | +201+107.5% | Added |
| EverSource Wealth Advisors, LLC | 558 | $871 | 0.00% | +489+708.7% | Added |
| Allworth Financial LP | 678 | $1.06K | 0.00% | +673+13,460.0% | Added |
| Nisa Investment Advisors, LLC | 700 | $1.09K | 0.00% | +700 | New |
| Simplex Trading, LLC | 864 | $1.35K | 0.00% | −4,051−82.4% | Reduced |
| California State Teachers Retirement System | 943 | $1.47K | 0.00% | −2,698−74.1% | Reduced |
| Sterling Capital Management LLC | 1,045 | $1.63K | 0.00% | −801−43.4% | Reduced |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,200 | $1.87K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,339 | $2.09K | 0.00% | +529+65.3% | Added |
| SRS Capital Advisors, Inc. | 2,551 | $3.98K | 0.00% | +2,546+50,920.0% | Added |
| Ninety One SA (PTY) Ltd | 3,110 | $4.85K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 3,365 | $5.25K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,771 | $9.00K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,625 | $10.3K | 0.00% | 00.0% | Unchanged |
| N.E.W. Advisory Services LLC | 10,000 | $15.6K | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 10,105 | $15.8K | 0.00% | −4,068−28.7% | Reduced |
| Cerity Partners LLC | 10,442 | $16.3K | 0.00% | +10,442 | New |
| BNP Paribas Arbitrage, SA | 10,464 | $16.3K | 0.00% | −4,237−28.8% | Reduced |
| Jones Financial Companies LLLP | 11,000 | $16.6K | 0.00% | +1,741+18.8% | Added |
| Wealth Enhancement Advisory Services, LLC | 10,332 | $16.6K | 0.00% | +10,332 | New |
| Squarepoint Ops LLC | 12,143 | $18.9K | 0.00% | −23,750−66.2% | Reduced |
| Tower Research Capital LLC (TRC) | 13,213 | $20.6K | 0.00% | −4,020−23.3% | Reduced |
| Mariner, LLC | 13,585 | $21.2K | 0.00% | +13,585 | New |
| Royal Bank of Canada | 14,219 | $22.0K | 0.00% | +11,211+372.7% | Added |
| Centiva Capital, LP | 14,391 | $22.4K | 0.00% | +14,391 | New |
| Police & Firemen's Retirement System of New Jersey | 16,326 | $25.5K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 16,567 | $25.8K | 0.00% | −2,061−11.1% | Reduced |
| Intech Investment Management LLC | 17,643 | $27.5K | 0.00% | −105−0.6% | Reduced |
| Vontobel Holding Ltd. | 17,860 | $27.9K | 0.00% | +17,860 | New |
| Vanguard Global Advisers, LLC | 23,853 | $37.2K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global ETFs Holdings Ltd. | 31,543 | $49.2K | 0.00% | −1,349−4.1% | Reduced |
| Citigroup Inc | 31,759 | $49.5K | 0.00% | +15,978+101.2% | Added |
| Arrowstreet Capital, Limited Partnership | 32,288 | $50.4K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 33,113 | $51.7K | 0.00% | +33,113 | New |
| Price T Rowe Associates Inc | 33,876 | $53.0K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 35,879 | $56.0K | 0.00% | −1,460−3.9% | Reduced |
| Prudential Financial Inc | 40,010 | $62.4K | 0.00% | +25,200+170.2% | Added |
| Millennium Management LLC | 43,455 | $67.8K | 0.00% | −163,399−79.0% | Reduced |
| Bank of America Corp | 45,075 | $70.3K | 0.00% | −15,632−25.7% | Reduced |
| Deutsche Bank AG | 48,632 | $75.9K | 0.00% | +1,625+3.5% | Added |
| STRS Ohio | 48,800 | $76.1K | 0.00% | +8,800+22.0% | Added |
| Russell Investments Group, Ltd. | 56,498 | $88.1K | 0.00% | +25,205+80.5% | Added |
| Wells Fargo & Company | 58,510 | $91.3K | 0.00% | +33,296+132.1% | Added |
| Citadel Advisors LLC | 58,826 | $91.8K | 0.00% | +58,826 | New |
| UBS Group AG | 68,630 | $107.1K | 0.00% | +26,763+63.9% | Added |
| Marshall Wace, LLP | 80,526 | $125.6K | 0.00% | −124,110−60.6% | Reduced |
| Acadian Asset Management LLC | 81,760 | $126.0K | 0.00% | +25,654+45.7% | Added |
| Storebrand Asset Management AS | 88,075 | $137.4K | 0.00% | +5,900+7.2% | Added |
| Rathbone Brothers plc | 92,000 | $143.5K | 0.00% | −10,000−9.8% | Reduced |
| Rhumbline Advisers | 94,756 | $147.8K | 0.00% | +1,678+1.8% | Added |
| D. E. Shaw & Co., Inc. | 101,497 | $158.3K | 0.00% | −16,759−14.2% | Reduced |
| Alliancebernstein L.P. | 142,138 | $163.5K | 0.00% | +44,618+45.8% | Added |
| J. Derek Lewis & Associates Inc. | 106,500 | $166.1K | 0.03% | +21,500+25.3% | Added |
| CAPROCK Group, Inc. | 119,801 | $186.9K | 0.00% | +119,801 | New |
| Nuveen, LLC | 162,044 | $252.8K | 0.00% | +22,436+16.1% | Added |
| Morgan Stanley | 167,182 | $260.8K | 0.00% | −94,216−36.0% | Reduced |
| Bank of New York Mellon Corp | 195,907 | $305.6K | 0.00% | 00.0% | Unchanged |
| JTC Employer Solutions Trusteee Ltd | 197,859 | $311.0K | 0.02% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 201,055 | $314.0K | 0.02% | −88,839−30.6% | Reduced |
| AQR Capital Management LLC | 238,152 | $371.5K | 0.00% | +199,801+521.0% | Added |
| JPMorgan Chase & Co | 270,982 | $422.7K | 0.00% | +108,730+67.0% | Added |
| Renaissance Technologies LLC | 364,800 | $569.1K | 0.00% | +10,200+2.9% | Added |
| Goldman Sachs Group Inc | 377,277 | $588.6K | 0.00% | +46,088+13.9% | Added |
| First Trust Advisors LP | 381,889 | $595.7K | 0.00% | +69,939+22.4% | Added |
| Hosking Partners LLP | 390,517 | $609.2K | 0.02% | −6,415−1.6% | Reduced |
| Vanguard Fiduciary Trust Co | 438,777 | $684.5K | 0.00% | +6,509+1.5% | Added |
| Dimensional Fund Advisors LP | 448,818 | $700.2K | 0.00% | −287,766−39.1% | Reduced |
| Vanguard Portfolio Management LLC | 469,053 | $731.7K | 0.00% | +80,134+20.6% | Added |
| Northern Trust Corp | 536,057 | $836.2K | 0.00% | +30,683+6.1% | Added |
| Charles Schwab Investment Management Inc | 539,334 | $841.4K | 0.00% | +18,723+3.6% | Added |
| American Century Companies Inc | 950,442 | $1.48M | 0.00% | −4,026−0.4% | Reduced |
| Barclays PLC | 953,510 | $1.49M | 0.00% | −85,407−8.2% | Reduced |
| State Street Corp | 1,369,693 | $2.14M | 0.00% | +4,220+0.3% | Added |
| Baader Bank INC | 1,605,000 | $2.50M | 0.20% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,879,292 | $2.93M | 0.00% | +120,014+6.8% | Added |
| Vanguard Capital Management LLC | 2,706,900 | $4.22M | 0.00% | +18,186+0.7% | Added |
| BlackRock, Inc. | 4,709,893 | $7.35M | 0.00% | +490,896+11.6% | Added |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −35,576−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −29,205−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −26,928−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −24,495−100.0% | Sold out |
| Boyer Financial Services, Inc. | 0 | $0 | 0.00% | −22,990−100.0% | Sold out |
| Manufacturers Life Insurance Company, The | 0 | $0 | 0.00% | −18,967−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −16,744−100.0% | Sold out |
| Two Sigma Securities, LLC | 0 | $0 | 0.00% | −16,469−100.0% | Sold out |
| Voya Investment Management LLC | 0 | $0 | 0.00% | −13,694−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −11,738−100.0% | Sold out |