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 2025
Institutional positions in Montauk Renewables, Inc. as of Jun 30, 2025. 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
- 86
- −7 vs. Q1 2025
- Shares held
- 20.9M
- −790.1K (−3.6%) vs. Q1 2025
- Total value
- $46.4M
- +$1.07M (+2.4%) vs. Q1 2025
- New holders
- 13
- 28 more added
- Sold out
- 20
- 33 more reduced
Compare with Q1 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, Q2 2025
Shares, value and share of portfolio for each institution holding Montauk Renewables, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Simplex Trading, LLC | 114 | $0 | 0.00% | −5,524−98.0% | Reduced |
| Covestor Ltd | 23 | $0 | 0.00% | −1−4.2% | Reduced |
| Allworth Financial LP | 4 | $9 | 0.00% | +4 | New |
| True Wealth Design, LLC | 50 | $111 | 0.00% | +29+138.1% | Added |
| Farther Finance Advisors, LLC | 60 | $133 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 68 | $151 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 174 | $386 | 0.00% | +145+500.0% | Added |
| The PNC Financial Services Group, Inc. | 435 | $966 | 0.00% | +435 | New |
| UMA Financial Services, Inc. | 452 | $1.00K | 0.00% | +452 | New |
| GAMMA Investing LLC | 901 | $2.00K | 0.00% | +901 | New |
| Towarzystwo Funduszy Inwestycyjnych Pzu SA | 1,200 | $2.66K | 0.00% | 00.0% | Unchanged |
| FMR LLC | 1,366 | $3.03K | 0.00% | +555+68.4% | Added |
| Sterling Capital Management LLC | 1,465 | $3.25K | 0.00% | +1,397+2,054.4% | Added |
| Private Wealth Management Group, LLC | 1,628 | $3.62K | 0.00% | +1,628 | New |
| Amalgamated Bank | 2,235 | $5.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 3,309 | $7.00K | 0.00% | −774−19.0% | Reduced |
| New York State Common Retirement Fund | 3,365 | $7.47K | 0.00% | 00.0% | Unchanged |
| Meeder Asset Management Inc | 4,199 | $9.32K | 0.00% | +1,715+69.0% | Added |
| California State Teachers Retirement System | 4,782 | $10.6K | 0.00% | −43,331−90.1% | Reduced |
| Legal & General Group Plc | 6,061 | $13.5K | 0.00% | −47,494−88.7% | Reduced |
| Ameritas Investment Partners, Inc. | 6,625 | $14.7K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 6,794 | $15.0K | 0.00% | −5,685−45.6% | Reduced |
| BNP Paribas Arbitrage, SA | 6,852 | $15.2K | 0.00% | +2,612+61.6% | Added |
| N.E.W. Advisory Services LLC | 10,000 | $22.2K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 11,696 | $26.0K | 0.00% | +10,396+799.7% | Added |
| ProShare Advisors LLC | 13,798 | $30.6K | 0.00% | −490−3.4% | Reduced |
| CI Private Wealth, LLC | 16,000 | $35.5K | 0.00% | +16,000 | New |
| Neuberger Berman Group LLC | 16,112 | $35.8K | 0.00% | +16,112 | New |
| Police & Firemen's Retirement System of New Jersey | 16,326 | $36.2K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 17,053 | $37.9K | 0.00% | +3,689+27.6% | Added |
| State Board of Administration of Florida Retirement System | 19,080 | $42.4K | 0.00% | 00.0% | Unchanged |
| Invesco Ltd. | 20,777 | $46.1K | 0.00% | −18,948−47.7% | Reduced |
| Voya Investment Management LLC | 21,748 | $48.3K | 0.00% | +2,407+12.4% | Added |
| Manufacturers Life Insurance Company, The | 23,002 | $51.1K | 0.00% | −2,516−9.9% | Reduced |
| HRT Financial LP | 26,234 | $58.0K | 0.00% | +26,234 | New |
| Brevan Howard Capital Management LP | 26,774 | $59.4K | 0.00% | +10,911+68.8% | Added |
| Squarepoint Ops LLC | 26,835 | $59.6K | 0.00% | −4,921−15.5% | Reduced |
| Andina Capital Management, LLC | 28,630 | $63.6K | 0.04% | +15,228+113.6% | Added |
| AQR Capital Management LLC | 28,884 | $64.1K | 0.00% | −616−2.1% | Reduced |
| Los Angeles Capital Management LLC | 29,205 | $64.8K | 0.00% | +29,205 | New |
| Citigroup Inc | 29,785 | $66.1K | 0.00% | −28,973−49.3% | Reduced |
| Two Sigma Securities, LLC | 31,568 | $70.1K | 0.01% | +31,568 | New |
| Arrowstreet Capital, Limited Partnership | 32,288 | $71.7K | 0.00% | +32,288 | New |
| Intech Investment Management LLC | 33,858 | $75.2K | 0.00% | −66,375−66.2% | Reduced |
| Bank of America Corp | 34,495 | $76.6K | 0.00% | −7,008−16.9% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 37,737 | $83.8K | 0.00% | −1,682−4.3% | Reduced |
| Abc Arbitrage SA | 38,167 | $84.7K | 0.01% | −69,745−64.6% | Reduced |
| STRS Ohio | 40,000 | $88.8K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 41,387 | $91.9K | 0.00% | +9,851+31.2% | Added |
| MetLife Investment Management | 44,434 | $98.6K | 0.00% | +38,208+613.7% | Added |
| Russell Investments Group, Ltd. | 51,946 | $115.9K | 0.00% | −39,547−43.2% | Reduced |
| Marshall Wace, LLP | 56,901 | $126.3K | 0.00% | +34,914+158.8% | Added |
| Deutsche Bank AG | 58,073 | $128.9K | 0.00% | −8,052−12.2% | Reduced |
| JPMorgan Chase & Co | 64,772 | $143.8K | 0.00% | +12,974+25.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 65,823 | $146.1K | 0.00% | −30,915−32.0% | Reduced |
| Royal Bank of Canada | 68,945 | $153.0K | 0.00% | +68,378+12,059.6% | Added |
| Price T Rowe Associates Inc | 71,876 | $160.0K | 0.00% | +6,045+9.2% | Added |
| Citadel Advisors LLC | 73,543 | $163.3K | 0.00% | +73,543 | New |
| UBS Group AG | 83,430 | $185.2K | 0.00% | −54,813−39.6% | Reduced |
| Alliancebernstein L.P. | 91,220 | $202.5K | 0.00% | +5,500+6.4% | Added |
| Rathbone Brothers plc | 92,000 | $204.2K | 0.00% | +19,600+27.1% | Added |
| Goldman Sachs Group Inc | 92,588 | $205.5K | 0.00% | −49,771−35.0% | Reduced |
| Rhumbline Advisers | 105,881 | $235.0K | 0.00% | +11,820+12.6% | Added |
| Jane Street Group, LLC | 107,351 | $244.0K | 0.00% | +6,517+6.5% | Added |
| Susquehanna International Group, LLP | 112,473 | $249.7K | 0.00% | +23,566+26.5% | Added |
| Nuveen, LLC | 138,750 | $308.0K | 0.00% | −33,009−19.2% | Reduced |
| Barclays PLC | 156,759 | $348.0K | 0.00% | −37,397−19.3% | Reduced |
| D. E. Shaw & Co., Inc. | 180,483 | $400.7K | 0.00% | −9,869−5.2% | Reduced |
| JTC Employer Solutions Trusteee Ltd | 197,859 | $446.0K | 0.04% | 00.0% | Unchanged |
| Millennium Management LLC | 216,078 | $479.7K | 0.00% | +193,185+843.9% | Added |
| Storebrand Asset Management AS | 218,020 | $484.0K | 0.00% | −17,458−7.4% | Reduced |
| Gsa Capital Partners LLP | 243,661 | $541.0K | 0.04% | +243,661 | New |
| Morgan Stanley | 253,861 | $563.6K | 0.00% | −59,594−19.0% | Reduced |
| Bank of New York Mellon Corp | 272,890 | $605.8K | 0.00% | +36,322+15.4% | Added |
| Renaissance Technologies LLC | 344,213 | $764.2K | 0.00% | +59,713+21.0% | Added |
| First Trust Advisors LP | 355,551 | $789.3K | 0.00% | −22,812−6.0% | Reduced |
| Hosking Partners LLP | 395,731 | $878.5K | 0.04% | −365,605−48.0% | Reduced |
| Northern Trust Corp | 516,917 | $1.15M | 0.00% | −63,394−10.9% | Reduced |
| Charles Schwab Investment Management Inc | 524,113 | $1.16M | 0.00% | +15,459+3.0% | Added |
| American Century Companies Inc | 955,111 | $2.12M | 0.00% | −70,888−6.9% | Reduced |
| Dimensional Fund Advisors LP | 982,269 | $2.18M | 0.00% | +34,030+3.6% | Added |
| State Street Corp | 1,362,613 | $3.03M | 0.00% | −89,747−6.2% | Reduced |
| Baader Bank INC | 1,605,000 | $3.56M | 0.31% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 1,677,787 | $3.73M | 0.00% | −980.0% | Reduced |
| Vanguard Group Inc | 3,974,994 | $8.82M | 0.00% | +136,695+3.6% | Added |
| BlackRock, Inc. | 4,376,214 | $9.72M | 0.00% | −176,061−3.9% | Reduced |
| UBS Asset Management Americas Inc | 0 | $0 | 0.00% | −191,182−100.0% | Sold out |
| Swiss National Bank | 0 | $0 | 0.00% | −96,361−100.0% | Sold out |
| Pictet Asset Management Holding SA | 0 | $0 | 0.00% | −61,204−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −45,866−100.0% | Sold out |
| Corebridge Financial, Inc. | 0 | $0 | 0.00% | −32,335−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −30,183−100.0% | Sold out |
| Simplicity Wealth,LLC | 0 | $0 | 0.00% | −26,895−100.0% | Sold out |
| Allianz Asset Management GmbH | 0 | $0 | 0.00% | −17,400−100.0% | Sold out |
| CIBC World Markets Corp | 0 | $0 | 0.00% | −14,645−100.0% | Sold out |
| Arizona State Retirement System | 0 | $0 | 0.00% | −14,353−100.0% | Sold out |
| State of Wisconsin Investment Board | 0 | $0 | 0.00% | −12,489−100.0% | Sold out |
| Great Lakes Advisors, LLC | 0 | $0 | 0.00% | −11,445−100.0% | Sold out |
| Chicago Trust Co NA | 0 | $0 | 0.00% | −11,445−100.0% | Sold out |
| Jain Global LLC | 0 | $0 | 0.00% | −11,300−100.0% | Sold out |