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
- +472.2K (+2.3%) vs. Q1 2026
- Total value
- $33.3M
- +$9.21M (+38.2%) 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 | $24.1M |
| Q4 2025 | 83 | $33.4M |
| Q3 2025 | 91 | $42.1M |
| Q2 2025 | 86 | $46.6M |
| Q1 2025 | 93 | $45.4M |
| Q4 2024 | 96 | $88.6M |
| Q3 2024 | 95 | $116.5M |
| Q2 2024 | 111 | $131.0M |
| Q1 2024 | 114 | $103.3M |
| Q4 2023 | 105 | $216.7M |
| Q3 2023 | 95 | $209.4M |
| Q2 2023 | 93 | $176.4M |
| Q1 2023 | 94 | $189.0M |
| Q4 2022 | 97 | $268.3M |
| Q3 2022 | 90 | $393.6M |
| Q2 2022 | 76 | $209.0M |
| Q1 2022 | 47 | $156.3M |
| Q4 2021 | 26 | $126.2M |
| Q3 2021 | 20 | $70.1M |
| Q2 2021 | 20 | $22.7M |
| Q1 2021 | 24 | $47.9M |
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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,709,893 | $7.35M | 0.00% | +490,896+11.6% | Added |
| Vanguard Capital Management LLC | 2,706,900 | $4.22M | 0.00% | +18,186+0.7% | Added |
| Geode Capital Management, LLC | 1,879,292 | $2.93M | 0.00% | +120,014+6.8% | Added |
| Baader Bank INC | 1,605,000 | $2.50M | 0.20% | 00.0% | Unchanged |
| State Street Corp | 1,369,693 | $2.14M | 0.00% | +4,220+0.3% | Added |
| Barclays PLC | 953,510 | $1.49M | 0.00% | −85,407−8.2% | Reduced |
| American Century Companies Inc | 950,442 | $1.48M | 0.00% | −4,026−0.4% | Reduced |
| Charles Schwab Investment Management Inc | 539,334 | $841.4K | 0.00% | +18,723+3.6% | Added |
| Northern Trust Corp | 536,057 | $836.2K | 0.00% | +30,683+6.1% | Added |
| Vanguard Portfolio Management LLC | 469,053 | $731.7K | 0.00% | +80,134+20.6% | Added |
| Dimensional Fund Advisors LP | 448,818 | $700.2K | 0.00% | −287,766−39.1% | Reduced |
| Vanguard Fiduciary Trust Co | 438,777 | $684.5K | 0.00% | +6,509+1.5% | Added |
| Hosking Partners LLP | 390,517 | $609.2K | 0.02% | −6,415−1.6% | Reduced |
| First Trust Advisors LP | 381,889 | $595.7K | 0.00% | +69,939+22.4% | Added |
| Goldman Sachs Group Inc | 377,277 | $588.6K | 0.00% | +46,088+13.9% | Added |
| Renaissance Technologies LLC | 364,800 | $569.1K | 0.00% | +10,200+2.9% | Added |
| JPMorgan Chase & Co | 270,982 | $422.7K | 0.00% | +108,730+67.0% | Added |
| AQR Capital Management LLC | 238,152 | $371.5K | 0.00% | +199,801+521.0% | Added |
| Gsa Capital Partners LLP | 201,055 | $314.0K | 0.02% | −88,839−30.6% | Reduced |
| JTC Employer Solutions Trusteee Ltd | 197,859 | $311.0K | 0.02% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 195,907 | $305.6K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 167,182 | $260.8K | 0.00% | −94,216−36.0% | Reduced |
| Nuveen, LLC | 162,044 | $252.8K | 0.00% | +22,436+16.1% | Added |
| CAPROCK Group, Inc. | 119,801 | $186.9K | 0.00% | +119,801 | New |
| J. Derek Lewis & Associates Inc. | 106,500 | $166.1K | 0.03% | +21,500+25.3% | Added |
| Alliancebernstein L.P. | 142,138 | $163.5K | 0.00% | +44,618+45.8% | Added |
| D. E. Shaw & Co., Inc. | 101,497 | $158.3K | 0.00% | −16,759−14.2% | Reduced |
| Rhumbline Advisers | 94,756 | $147.8K | 0.00% | +1,678+1.8% | Added |
| Rathbone Brothers plc | 92,000 | $143.5K | 0.00% | −112,000−54.9% | Reduced |
| Storebrand Asset Management AS | 88,075 | $137.4K | 0.00% | +5,900+7.2% | Added |
| Acadian Asset Management LLC | 81,760 | $126.0K | 0.00% | +25,654+45.7% | Added |
| Marshall Wace, LLP | 80,526 | $125.6K | 0.00% | −124,110−60.6% | Reduced |
| UBS Group AG | 68,630 | $107.1K | 0.00% | +26,763+63.9% | Added |
| Citadel Advisors LLC | 58,826 | $91.8K | 0.00% | +58,826 | New |
| Wells Fargo & Company | 58,510 | $91.3K | 0.00% | +33,296+132.1% | Added |
| Russell Investments Group, Ltd. | 56,498 | $88.1K | 0.00% | +25,205+80.5% | Added |
| STRS Ohio | 48,800 | $76.1K | 0.00% | +8,800+22.0% | Added |
| Deutsche Bank AG | 48,632 | $75.9K | 0.00% | +1,625+3.5% | Added |
| Bank of America Corp | 45,075 | $70.3K | 0.00% | −15,632−25.7% | Reduced |
| Millennium Management LLC | 43,455 | $67.8K | 0.00% | −163,399−79.0% | Reduced |
| Prudential Financial Inc | 40,010 | $62.4K | 0.00% | +25,200+170.2% | Added |
| Invesco Ltd. | 35,879 | $56.0K | 0.00% | −1,460−3.9% | Reduced |
| Price T Rowe Associates Inc | 33,876 | $53.0K | 0.00% | 00.0% | Unchanged |
| Ieq Capital, LLC | 33,113 | $51.7K | 0.00% | +33,113 | New |
| Arrowstreet Capital, Limited Partnership | 32,288 | $50.4K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 31,759 | $49.5K | 0.00% | +15,978+101.2% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 31,543 | $49.2K | 0.00% | −1,349−4.1% | Reduced |
| Vanguard Global Advisers, LLC | 23,853 | $37.2K | 0.00% | 00.0% | Unchanged |
| Vontobel Holding Ltd. | 17,860 | $27.9K | 0.00% | +17,860 | New |
| Intech Investment Management LLC | 17,643 | $27.5K | 0.00% | −105−0.6% | Reduced |
| Engineers Gate Manager LP | 16,567 | $25.8K | 0.00% | −2,061−11.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 16,326 | $25.5K | 0.00% | 00.0% | Unchanged |
| Centiva Capital, LP | 14,391 | $22.4K | 0.00% | +14,391 | New |
| Royal Bank of Canada | 14,219 | $22.0K | 0.00% | +11,211+372.7% | Added |
| Mariner, LLC | 13,585 | $21.2K | 0.00% | +13,585 | New |
| Tower Research Capital LLC (TRC) | 13,213 | $20.6K | 0.00% | −4,020−23.3% | Reduced |
| Squarepoint Ops LLC | 12,143 | $18.9K | 0.00% | −23,750−66.2% | Reduced |
| Wealth Enhancement Advisory Services, LLC | 10,332 | $16.6K | 0.00% | +10,332 | New |
| Jones Financial Companies LLLP | 11,000 | $16.6K | 0.00% | +1,741+18.8% | Added |
| BNP Paribas Arbitrage, SA | 10,464 | $16.3K | 0.00% | −4,237−28.8% | Reduced |
| Cerity Partners LLC | 10,442 | $16.3K | 0.00% | +10,442 | New |
| XTX Topco Ltd | 10,105 | $15.8K | 0.00% | −4,068−28.7% | Reduced |
| N.E.W. Advisory Services LLC | 10,000 | $15.6K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 6,625 | $10.3K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 5,771 | $9.00K | 0.00% | 00.0% | Unchanged |
| New York State Common Retirement Fund | 3,365 | $5.25K | 0.00% | 00.0% | Unchanged |
| Ninety One SA (PTY) Ltd | 3,110 | $4.85K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 2,551 | $3.98K | 0.00% | +2,546+50,920.0% | Added |
| FMR LLC | 1,339 | $2.09K | 0.00% | +529+65.3% | Added |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,200 | $1.87K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 1,045 | $1.63K | 0.00% | −801−43.4% | Reduced |
| California State Teachers Retirement System | 943 | $1.47K | 0.00% | −2,698−74.1% | Reduced |
| Simplex Trading, LLC | 864 | $1.35K | 0.00% | −4,051−82.4% | Reduced |
| Nisa Investment Advisors, LLC | 700 | $1.09K | 0.00% | +700 | New |
| Allworth Financial LP | 678 | $1.06K | 0.00% | +673+13,460.0% | Added |
| EverSource Wealth Advisors, LLC | 558 | $871 | 0.00% | +489+708.7% | Added |
| Essential Partners LLC | 388 | $605 | 0.00% | +201+107.5% | Added |
| GAMMA Investing LLC | 263 | $410 | 0.00% | −76−22.4% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 246 | $384 | 0.00% | −7,606−96.9% | Reduced |
| IFP Advisors, Inc | 191 | $298 | 0.00% | +3+1.6% | Added |
| True Wealth Design, LLC | 152 | $238 | 0.00% | +95+166.7% | Added |
| Farther Finance Advisors, LLC | 152 | $237 | 0.00% | +70+85.4% | Added |
| The PNC Financial Services Group, Inc. | 136 | $212 | 0.00% | +3+2.3% | Added |
| Rothschild Investment LLC | 109 | $170 | 0.00% | +84+336.0% | Added |
| SJS Investment Consulting Inc. | 16 | $25 | 0.00% | +16 | New |
| SBI Securities Co., Ltd. | 15 | $23 | 0.00% | −101−87.1% | Reduced |
| Clearstead Advisors, LLC | 9 | $15 | 0.00% | +9 | New |
| JPL Wealth Management, LLC | 9 | $15 | 0.00% | +9 | New |
| Optiver Holding B.V. | 4 | $6 | 0.00% | −632−99.4% | Reduced |
| Caitong International Asset Management Co., Ltd | 2 | $3 | 0.00% | 00.0% | Unchanged |
| 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 |