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