Montauk RenewablesMNTK
13F holders, Q2 2026 (June 30)90holders −4
12new positions
14sold out
5famous investors
$1.56avg. 13F price*
At the end of Q2 2026, 90 institutions reported holding Montauk Renewables Inc. (MNTK) in their 13F filings, down 4 from Q1 2026. 12 opened new positions and 14 sold out. The largest holders were BlackRock, Inc. ($7.3M), Vanguard Capital Management LLC ($4.2M) and Geode Capital Management, LLC ($2.9M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Cliff Asness (0.0% of AQR Capital Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Montauk Renewables Inc.
- CUSIP
- 61218C103
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 12 | $436K |
| Exits | 14 | $265K |
All 13F filers, Q1 2026 → Q2 2026: 1,759,505 shares bought and 1,185,346 shares sold, net +574,159 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 90 holders
| BlackRock, Inc. | 0.00% | Add +11.6% | 4,709,893 | $7.3M |
| Vanguard Capital Management LLC | 0.00% | Add +0.7% | 2,706,900 | $4.2M |
| Geode Capital Management, LLC | 0.00% | Add +6.8% | 1,879,292 | $2.9M |
| Baader Bank Aktiengesellschaft | 0.20% | No change | 1,605,000 | $2.5M |
| State Street Corp. | 0.00% | Add +0.3% | 1,369,693 | $2.1M |
| Barclays PLC | 0.00% | Reduce -8.2% | 953,510 | $1.5M |
| American Century Companies Inc. | 0.00% | Reduce -0.4% | 950,442 | $1.5M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +3.6% | 539,334 | $841K |
| Northern Trust Corp. | 0.00% | Add +6.1% | 536,057 | $836K |
| Vanguard Portfolio Management LLC | 0.00% | Add +20.6% | 469,053 | $732K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -39.1% | 448,818 | $700K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +1.5% | 438,777 | $684K |
| Hosking Partners LLP | 0.02% | Reduce -1.6% | 390,517 | $609K |
| First Trust Advisors LP | 0.00% | Add +22.4% | 381,889 | $596K |
| Goldman Sachs Group Inc. | 0.00% | Add +13.9% | 377,277 | $589K |
| Renaissance Technologies | 0.00% | Add +2.9% | 364,800 | $569K |
| JPMorgan Chase & Co. | 0.00% | Add +67.0% | 270,982 | $423K |
| AQR Capital Management | 0.00% | Add +521.0% | 238,152 | $372K |
| Gsa Capital Partners LLP | 0.02% | Reduce -30.6% | 201,055 | $314K |
| JTC Employer Solutions Trustee Ltd | 0.02% | No change | 197,859 | $311K |
| Bank of New York Mellon Corp | 0.00% | No change | 195,907 | $306K |
| Morgan Stanley | 0.00% | Reduce -36.0% | 167,182 | $261K |
| Nuveen, LLC | 0.00% | Add +16.1% | 162,044 | $253K |
| Caprock Group, LLC | 0.00% | New | 119,801 | $187K |
| J. Derek Lewis & Associates Inc. | 0.03% | Add +25.3% | 106,500 | $166K |
| Alliancebernstein L.P. | 0.00% | Add +45.8% | 142,138 | $163K |
| D. E. Shaw & Co. | 0.00% | Reduce -14.2% | 101,497 | $158K |
| Rhumbline Advisers | 0.00% | Add +1.8% | 94,756 | $148K |
| Rathbones Group PLC | 0.00% | Reduce -9.8% | 92,000 | $144K |
| Storebrand Asset Management As | 0.00% | Add +7.2% | 88,075 | $137K |
| Acadian Asset Management LLC | 0.00% | Add +45.7% | 81,760 | $126K |
| Marshall Wace, LLP | 0.00% | Reduce -60.6% | 80,526 | $126K |
| UBS Group AG | 0.00% | Add +63.9% | 68,630 | $107K |
| Citadel Advisors | 0.00% | New | 58,826 | $92K |
| Wells Fargo & Company | 0.00% | Add +132.1% | 58,510 | $91K |
| Russell Investments Group, Ltd. | 0.00% | Add +80.5% | 56,498 | $88K |
| STRS Ohio | 0.00% | Add +22.0% | 48,800 | $76K |
| Deutsche Bank AG | 0.00% | Add +3.5% | 48,632 | $76K |
| Bank of America Corp. | 0.00% | Reduce -25.8% | 45,075 | $70K |
| Millennium Management | 0.00% | Reduce -79.0% | 43,455 | $68K |
| Prudential Financial Inc. | 0.00% | Add +170.2% | 40,010 | $62K |
| Invesco Ltd. | 0.00% | Reduce -3.9% | 35,879 | $56K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 33,876 | $53K |
| Ieq Capital, LLC | 0.00% | New | 33,113 | $52K |
| Arrowstreet Capital, Limited Partnership | 0.00% | No change | 32,288 | $50K |
| Citigroup Inc. | 0.00% | Add +101.3% | 31,759 | $50K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Reduce -4.1% | 31,543 | $49K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 23,853 | $37K |
| Vontobel Holding Ltd. | 0.00% | New | 17,860 | $28K |
| Intech Investment Management LLC | 0.00% | Reduce -0.6% | 17,643 | $28K |
| Engineers Gate Manager LP | 0.00% | Reduce -11.1% | 16,567 | $26K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 16,326 | $25K |
| Centiva Capital, LP | 0.00% | New | 14,391 | $22K |
| Royal Bank of Canada | 0.00% | Add +372.7% | 14,219 | $22K |
| Mariner, LLC | 0.00% | New | 13,585 | $21K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -23.3% | 13,213 | $21K |
| Squarepoint Ops LLC | 0.00% | Reduce -66.2% | 12,143 | $19K |
| Wealth Enhancement Advisory Services, LLC | 0.00% | New | 10,332 | $17K |
| Jones Financial Companies LLLP | 0.00% | Add +18.8% | 11,000 | $17K |
| BNP Paribas Financial Markets | 0.00% | Reduce -28.8% | 10,464 | $16K |
| Cerity Partners LLC | 0.00% | New | 10,442 | $16K |
| XTX Topco Ltd | 0.00% | Reduce -28.7% | 10,105 | $16K |
| N.E.W. Advisory Services LLC | 0.00% | No change | 10,000 | $16K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 6,625 | $10K |
| Legal & General Group Plc | 0.00% | No change | 5,771 | $9K |
| New York State Common Retirement Fund | 0.00% | No change | 3,365 | $5K |
| Ninety One SA (Pty) Ltd | 0.00% | No change | 3,110 | $5K |
| Arax Advisory Partners | 0.00% | Add +50920.0% | 2,551 | $4K |
| FMR LLC | 0.00% | Add +65.3% | 1,339 | $2K |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 0.00% | No change | 1,200 | $2K |
| Sterling Capital Management LLC | 0.00% | Reduce -43.4% | 1,045 | $2K |
| California State Teachers Retirement System | 0.00% | Reduce -74.1% | 943 | $1K |
| Simplex Trading, LLC | 0.00% | Reduce -82.4% | 864 | $1K |
| Nisa Investment Advisors, LLC | 0.00% | New | 700 | $1K |
| Allworth Financial LP | 0.00% | Add +13460.0% | 678 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +708.7% | 558 | $871 |
| Essential Partners LLC | 0.00% | Add +107.5% | 388 | $605 |
| GAMMA Investing LLC | 0.00% | Reduce -22.4% | 263 | $410 |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -96.9% | 246 | $384 |
| IFP Advisors, Inc | 0.00% | Add +1.6% | 191 | $298 |
| True Wealth Design, LLC | 0.00% | Add +166.7% | 152 | $238 |
| Farther Finance Advisors, LLC | 0.00% | Add +85.4% | 152 | $237 |
| PNC Financial Services Group, Inc. | 0.00% | Add +2.3% | 136 | $212 |
| Rothschild Investment LLC | 0.00% | Add +336.0% | 109 | $170 |
| SJS Investment Consulting Inc. | 0.00% | New | 16 | $25 |
| SBI Securities Co., Ltd. | 0.00% | Reduce -87.1% | 15 | $23 |
| Clearstead Advisors, LLC | 0.00% | New | 9 | $15 |
| JPL Wealth Management, LLC | 0.00% | New | 9 | $15 |
| Optiver Holding B.V. | 0.00% | Reduce -99.4% | 4 | $6 |
| Caitong International Asset Management Co., Ltd | 0.00% | No change | 2 | $3 |
"% of holder's portfolio" is MNTK's weight in each manager's 13F, not the share of Montauk Renewables Inc. the manager owns.