Montauk Renewables, Inc. - MNTK
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | History | Added to | 4,709,893 | 7,347 | 0.0% | 0.0% | 1 | +490,896 | 11.64% | Q2 2026 | Aug 07, 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC | History | Added to | 2,706,900 | 4,222 | 0.0% | 0.0% | 2 | +18,186 | 0.68% | Q2 2026 | Aug 13, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 1,879,292 | 2,932 | 0.0% | 0.0% | 3 | +120,014 | 6.82% | Q2 2026 | Aug 12, 2026 |
| Baader Bank Aktiengesellschaft | History | No change | 1,605,000 | 2,503 | 0.19% | 0.14% | 4 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| STATE STREET CORP | History | Added to | 1,369,693 | 2,136 | 0.0% | 0.0% | 5 | +4,220 | 0.31% | Q2 2026 | Sep 22, 2026 |
| BARCLAYS PLC | History | Reduced | 953,510 | 1,487 | 0.0% | 0.0% | 6 | -85,407 | -8.22% | Q2 2026 | Aug 14, 2026 |
| AMERICAN CENTURY COMPANIES INC | History | Reduced | 950,442 | 1,482 | 0.0% | 0.0% | 7 | -4,026 | -0.42% | Q2 2026 | Aug 12, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Added to | 539,334 | 841 | 0.0% | 0.0% | 8 | +18,723 | 3.6% | Q2 2026 | Aug 14, 2026 |
| NORTHERN TRUST CORP | History | Added to | 536,057 | 836 | 0.0% | 0.0% | 9 | +30,683 | 6.07% | Q2 2026 | Aug 13, 2026 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | History | Added to | 469,053 | 731 | 0.0% | 0.0% | 10 | +80,134 | 20.6% | Q2 2026 | Aug 13, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 448,818 | 700 | 0.0% | 0.0% | 11 | -287,766 | -39.07% | Q2 2026 | Aug 11, 2026 |
| VANGUARD FIDUCIARY TRUST CO | History | Added to | 438,777 | 684 | 0.0% | 0.0% | 12 | +6,509 | 1.51% | Q2 2026 | Aug 13, 2026 |
| Hosking Partners LLP | History | Reduced | 390,517 | 609 | 0.02% | 0.02% | 13 | -6,415 | -1.62% | Q2 2026 | Aug 03, 2026 |
| FIRST TRUST ADVISORS LP | History | Added to | 381,889 | 595 | 0.0% | 0.0% | 14 | +69,939 | 22.42% | Q2 2026 | Aug 11, 2026 |
| GOLDMAN SACHS GROUP INC | History | Added to | 377,277 | 588 | 0.0% | 0.0% | 15 | +46,088 | 13.92% | Q2 2026 | Aug 14, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Added to | 364,800 | 569 | 0.0% | 0.0% | 16 | +10,200 | 2.88% | Q2 2026 | Aug 13, 2026 |
| JPMORGAN CHASE & CO | History | Added to | 270,982 | 422 | 0.0% | 0.0% | 17 | +108,730 | 67.01% | Q2 2026 | Aug 12, 2026 |
| AQR CAPITAL MANAGEMENT LLC | History | Added to | 238,152 | 371 | 0.0% | 0.0% | 18 | +199,801 | 520.98% | Q2 2026 | Aug 14, 2026 |
| GSA CAPITAL PARTNERS LLP | History | Reduced | 201,055 | 314 | 0.02% | 0.02% | 19 | -88,839 | -30.65% | Q2 2026 | Aug 06, 2026 |
| JTC Employer Solutions Trustee Ltd | History | No change | 197,859 | 311 | 0.02% | 0.02% | 20 | 0 | 0.0% | Q2 2026 | Jul 31, 2026 |
| Bank of New York Mellon Corp | History | No change | 195,907 | 305 | 0.0% | 0.0% | 21 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| MORGAN STANLEY | History | Reduced | 167,182 | 260 | 0.0% | 0.0% | 22 | -94,216 | -36.04% | Q2 2026 | Aug 13, 2026 |
| Nuveen, LLC | History | Added to | 162,044 | 252 | 0.0% | 0.0% | 23 | +22,436 | 16.07% | Q2 2026 | Aug 11, 2026 |
| Caprock Group, LLC | History | New | 119,801 | 186 | 0.0% | — | 24 | +119,801 | New | Q2 2026 | Jul 27, 2026 |
| J. Derek Lewis & Associates Inc. | History | Added to | 106,500 | 166 | 0.03% | 0.02% | 25 | +21,500 | 25.29% | Q2 2026 | Jul 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Added to | 142,138 | 163 | 0.0% | 0.0% | 26 | +44,618 | 45.75% | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | History | Reduced | 101,497 | 158 | 0.0% | 0.0% | 27 | -16,759 | -14.17% | Q2 2026 | Aug 14, 2026 |
| RHUMBLINE ADVISERS | History | Added to | 94,756 | 147 | 0.0% | 0.0% | 28 | +1,678 | 1.8% | Q2 2026 | Aug 11, 2026 |
| Rathbones Group PLC | History | Reduced | 92,000 | 143 | 0.0% | 0.0% | 29 | -10,000 | -9.8% | Q2 2026 | Jul 23, 2026 |
| STOREBRAND ASSET MANAGEMENT AS | History | Added to | 88,075 | 137 | 0.0% | 0.0% | 30 | +5,900 | 7.18% | Q2 2026 | Aug 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Added to | 81,760 | 126 | 0.0% | 0.0% | 31 | +25,654 | 45.72% | Q2 2026 | Aug 13, 2026 |
| MARSHALL WACE, LLP | History | Reduced | 80,526 | 125 | 0.0% | 0.0% | 32 | -124,110 | -60.65% | Q2 2026 | Aug 13, 2026 |
| UBS Group AG | History | Added to | 68,630 | 107 | 0.0% | 0.0% | 33 | +26,763 | 63.92% | Q2 2026 | Aug 13, 2026 |
| CITADEL ADVISORS LLC | History | New | 58,826 | 91 | 0.0% | — | 35 | +58,826 | New | Q2 2026 | Sep 02, 2026 |
| WELLS FARGO & COMPANY/MN | History | Added to | 58,510 | 91 | 0.0% | 0.0% | 34 | +33,296 | 132.05% | Q2 2026 | Aug 14, 2026 |
| Russell Investments Group, Ltd. | History | Added to | 56,498 | 88 | 0.0% | 0.0% | 36 | +25,205 | 80.55% | Q2 2026 | Aug 06, 2026 |
| STRS OHIO | History | Added to | 48,800 | 76 | 0.0% | 0.0% | 37 | +8,800 | 22.0% | Q2 2026 | Jul 30, 2026 |
| DEUTSCHE BANK AG\ | History | Added to | 48,632 | 75 | 0.0% | 0.0% | 38 | +1,625 | 3.46% | Q2 2026 | Aug 07, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Reduced | 45,075 | 70 | 0.0% | 0.0% | 39 | -15,632 | -25.75% | Q2 2026 | Aug 14, 2026 |
| MILLENNIUM MANAGEMENT LLC | History | Reduced | 43,455 | 67 | 0.0% | 0.0% | 40 | -163,399 | -78.99% | Q2 2026 | Aug 14, 2026 |
| PRUDENTIAL FINANCIAL INC | History | Added to | 40,010 | 62 | 0.0% | 0.0% | 41 | +25,200 | 170.16% | Q2 2026 | Aug 12, 2026 |
| Invesco Ltd. | History | Reduced | 35,879 | 55 | 0.0% | 0.0% | 42 | -1,460 | -3.91% | Q2 2026 | Aug 14, 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ | History | No change | 33,876 | 53 | 0.0% | 0.0% | 43 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| IEQ CAPITAL, LLC | History | New | 33,113 | 51 | 0.0% | — | 44 | +33,113 | New | Q2 2026 | Aug 11, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | History | No change | 32,288 | 50 | 0.0% | 0.0% | 45 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| CITIGROUP INC | History | Added to | 31,759 | 49 | 0.0% | 0.0% | 46 | +15,978 | 101.25% | Q2 2026 | Aug 03, 2026 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 31,543 | 49 | 0.0% | 0.0% | 47 | -1,349 | -4.1% | Q2 2026 | Aug 14, 2026 |
| Vanguard Global Advisers, LLC | History | No change | 23,853 | 37 | 0.0% | 0.0% | 48 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Vontobel Holding Ltd. | History | New | 17,860 | 27 | 0.0% | — | 50 | +17,860 | New | Q2 2026 | Aug 03, 2026 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Reduced | 17,643 | 27 | 0.0% | 0.0% | 49 | -105 | -0.59% | Q2 2026 | Aug 10, 2026 |
| Engineers Gate Manager LP | History | Reduced | 16,567 | 25 | 0.0% | 0.0% | 51 | -2,061 | -11.06% | Q2 2026 | Aug 14, 2026 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 16,326 | 25 | 0.0% | 0.0% | 52 | 0 | 0.0% | Q2 2026 | Jul 23, 2026 |
| Centiva Capital, LP | History | New | 14,391 | 22 | 0.0% | — | 54 | +14,391 | New | Q2 2026 | Aug 13, 2026 |
| ROYAL BANK OF CANADA | History | Added to | 14,219 | 22 | 0.0% | 0.0% | 53 | +11,211 | 372.71% | Q2 2026 | Aug 14, 2026 |
| Mariner, LLC | History | New | 13,585 | 21 | 0.0% | — | 55 | +13,585 | New | Q2 2026 | Aug 13, 2026 |
| Tower Research Capital LLC (TRC) | History | Reduced | 13,213 | 20 | 0.0% | 0.0% | 56 | -4,020 | -23.33% | Q2 2026 | Aug 11, 2026 |
| Squarepoint Ops LLC | History | Reduced | 12,143 | 18 | 0.0% | 0.0% | 57 | -23,750 | -66.17% | Q2 2026 | Aug 14, 2026 |
| Cerity Partners LLC | History | New | 10,442 | 16 | 0.0% | — | 60 | +10,442 | New | Q2 2026 | Aug 14, 2026 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | History | New | 10,332 | 16 | 0.0% | — | 61 | +10,332 | New | Q2 2026 | Jul 15, 2026 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 10,464 | 16 | 0.0% | 0.0% | 59 | -4,237 | -28.82% | Q2 2026 | Aug 13, 2026 |
| JONES FINANCIAL COMPANIES LLLP | History | Added to | 11,000 | 16 | 0.0% | 0.0% | 58 | +1,741 | 18.8% | Q2 2026 | Aug 14, 2026 |
| XTX Topco Ltd | History | Reduced | 10,105 | 15 | 0.0% | 0.0% | 63 | -4,068 | -28.7% | Q2 2026 | Aug 14, 2026 |
| N.E.W. Advisory Services LLC | History | No change | 10,000 | 15 | 0.0% | 0.0% | 62 | 0 | 0.0% | Q2 2026 | Aug 06, 2026 |
| Ameritas Investment Partners, Inc. | History | No change | 6,625 | 10 | 0.0% | 0.0% | 64 | 0 | 0.0% | Q2 2026 | Aug 13, 2026 |
| Legal & General Group Plc | History | No change | 5,771 | 9 | 0.0% | 0.0% | 65 | 0 | 0.0% | Q2 2026 | Aug 14, 2026 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 3,365 | 5 | 0.0% | 0.0% | 66 | 0 | 0.0% | Q2 2026 | Jul 29, 2026 |
| Ninety One SA (PTY) Ltd | History | No change | 3,110 | 4 | 0.0% | 0.0% | 67 | 0 | 0.0% | Q2 2026 | Jul 16, 2026 |
| Arax Advisory Partners | History | Added to | 2,551 | 3 | 0.0% | — | 68 | +2,546 | 50920.0% | Q2 2026 | Aug 10, 2026 |
| FMR LLC | History | Added to | 1,339 | 2 | 0.0% | — | 69 | +529 | 65.31% | Q2 2026 | Aug 13, 2026 |
| CWM, LLC | History | No change | 2,274 | 2 | 0.0% | 0.0% | 70 | 0 | 0.0% | Q1 2026 | May 14, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 864 | 1 | 0.0% | 0.0% | 73 | -4,051 | -82.42% | Q2 2026 | Aug 12, 2026 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | Reduced | 943 | 1 | 0.0% | 0.0% | 71 | -2,698 | -74.1% | Q2 2026 | Aug 24, 2026 |
| Sterling Capital Management LLC | History | Reduced | 1,045 | 1 | 0.0% | 0.0% | 72 | -801 | -43.39% | Q2 2026 | Jul 28, 2026 |
| NISA INVESTMENT ADVISORS, LLC | History | New | 700 | 1 | 0.0% | — | 76 | +700 | New | Q2 2026 | Aug 10, 2026 |
| Allworth Financial LP | History | Added to | 678 | 1 | 0.0% | — | 74 | +673 | 13460.0% | Q2 2026 | Aug 11, 2026 |
| TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA | History | No change | 1,200 | 1 | 0.0% | 0.0% | 75 | 0 | 0.0% | Q2 2026 | Aug 07, 2026 |
| JANE STREET GROUP, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -35,576 | -100.0% | Q2 2026 | Aug 14, 2026 |
| LOS ANGELES CAPITAL MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -29,205 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Quadrature Capital Ltd | History | Closed out | 0 | 0 | — | 0.0% | — | -26,928 | -100.0% | Q2 2026 | Aug 06, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Closed out | 0 | 0 | — | 0.0% | — | -24,495 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Boyer Financial Services, Inc. | History | Closed out | 0 | 0 | — | 0.03% | — | -22,990 | -100.0% | Q2 2026 | Jul 17, 2026 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | Closed out | 0 | 0 | — | 0.0% | — | -18,967 | -100.0% | Q2 2026 | Sep 09, 2026 |
| Neuberger Berman Group LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,744 | -100.0% | Q2 2026 | Aug 13, 2026 |
| TWO SIGMA SECURITIES, LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,469 | -100.0% | Q2 2026 | Aug 14, 2026 |
| VOYA INVESTMENT MANAGEMENT LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -13,694 | -100.0% | Q2 2026 | Aug 12, 2026 |
| Tidal Investments LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -11,738 | -100.0% | Q2 2026 | Aug 13, 2026 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -10,871 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | History | Reduced | 246 | 0 | — | 0.0% | — | -7,606 | -96.87% | Q2 2026 | Aug 11, 2026 |
| OSAIC HOLDINGS, INC. | History | Closed out | 0 | 0 | — | 0.0% | — | -4,000 | -100.0% | Q2 2026 | Aug 14, 2026 |
| Optiver Holding B.V. | History | Reduced | 4 | 0 | — | — | — | -632 | -99.37% | Q2 2026 | Aug 12, 2026 |
| EverSource Wealth Advisors, LLC | History | Added to | 558 | 0 | — | — | — | +489 | 708.7% | Q2 2026 | Jul 24, 2026 |
| Essential Partners LLC | History | Added to | 388 | 0 | — | — | — | +201 | 107.49% | Q2 2026 | Aug 10, 2026 |
| SBI Securities Co., Ltd. | History | Reduced | 15 | 0 | — | — | — | -101 | -87.07% | Q2 2026 | Jul 22, 2026 |
| True Wealth Design, LLC | History | Added to | 152 | 0 | — | — | — | +95 | 166.67% | Q2 2026 | Jul 16, 2026 |
| ROTHSCHILD INVESTMENT LLC | History | Added to | 109 | 0 | — | — | — | +84 | 336.0% | Q2 2026 | Aug 06, 2026 |
| GAMMA Investing LLC | History | Reduced | 263 | 0 | — | — | — | -76 | -22.42% | Q2 2026 | Jul 07, 2026 |
| Farther Finance Advisors, LLC | History | Added to | 152 | 0 | — | — | — | +70 | 85.37% | Q2 2026 | Jul 17, 2026 |
| Covestor Ltd | History | Closed out | 0 | 0 | — | — | — | -64 | -100.0% | Q2 2026 | Aug 07, 2026 |
| MAI Capital Management | History | Closed out | 0 | 0 | — | — | — | -21 | -100.0% | Q2 2026 | Aug 14, 2026 |
| SJS Investment Consulting Inc. | History | New | 16 | 0 | — | — | — | +16 | New | Q2 2026 | Jul 22, 2026 |
| Clearstead Advisors, LLC | History | New | 9 | 0 | — | — | — | +9 | New | Q2 2026 | Aug 06, 2026 |
| JPL Wealth Management, LLC | History | New | 9 | 0 | — | — | — | +9 | New | Q2 2026 | Aug 13, 2026 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Added to | 136 | 0 | — | — | — | +3 | 2.26% | Q2 2026 | Aug 07, 2026 |
| IFP Advisors, Inc | History | Added to | 191 | 0 | — | — | — | +3 | 1.6% | Q2 2026 | Jul 20, 2026 |
| Sunbelt Securities, Inc. | History | No change | 13 | 0 | — | — | — | 0 | 0.0% | Q1 2026 | May 15, 2026 |
| Caitong International Asset Management Co., Ltd | History | No change | 2 | 0 | — | — | — | 0 | 0.0% | Q2 2026 | Aug 04, 2026 |