Montauk Renewables, Inc. 13F holders
90 funds reported a position in Montauk Renewables, Inc. in their 13F for the quarter ended 30 June 2026, together 21.4 million shares worth $33.3 million. Against the quarter before, 12 opened a position, 38 added, 26 trimmed and 14 sold out; together they bought a net 472,159 shares. The largest holders: BlackRock, Inc., Vanguard Capital Management LLC and Geode Capital Management, LLC.
Funds holding90-4 on Q1 2026
Shares they held21.4Mworth $33.3 million
Net bought on the quarter472,159 sharesabout $735,318 at the funds' values
Funds buying to selling50 to 40opened or added, to cut or sold
Opened 12Added 38Held 14Trimmed 26Sold out 14
What each fund did in MNTK against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in MNTK in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
3,405 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 16 reported a position in Montauk Renewables, Inc.: 2 opened one, 6 added, 4 trimmed and 4 sold out, a net 23,965 shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Hosking Partners LLP | -19,964 | 370,553 | trimmed | 13F |
| Strs Ohio | +19,700 | 68,500 | added | 13F |
| Farther Finance Advisors, LLC | +5,061 | 5,213 | added | 13F |
| Gamma Investing LLC | +1,456 | 1,719 | added | 13F |
| Parkside Financial Bank & Trust | +660 | 660 | new | 13F |
| Sterling Capital Management LLC | +503 | 1,548 | added | 13F |
| IFP Advisors, Inc | -168 | 23 | trimmed | 13F |
| SJS Investment Consulting Inc. | +71 | 87 | added | 13F |
| Private Wealth Management Group, LLC | +43 | 43 | new | 13F |
| SBI Securities Co., Ltd. | +34 | 49 | added | 13F |
| True Wealth Design, LLC | -29 | 123 | trimmed | 13F |
| Essential Partners LLC | -28 | 360 | trimmed | 13F |
| Caitong International Asset Management Co., Ltd | -2 | 0 | sold out | 13F |
| Ninety One SA (Pty) Ltd | -3,110 | 0 | sold out | 13F |
| Vontobel Holding Ltd. | -17,860 | 0 | sold out | 13F |
| Wealth Enhancement Advisory Services, LLC | -10,332 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 5 reported a position in Montauk Renewables, Inc. in a 13F for the quarter ended 30 June 2026. The largest: Geode Capital Management, 1.9 million shares worth $2.9 million, 0.0% of its reported book. New this quarter: Citadel Advisors. Sold out: Point72 Asset Management. In the quarter, 4 funds added or opened a position and 2 trimmed or sold out; together they bought a net 15,299 shares, about $23,867 at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| Geode Capital Management | 1,879,292 | $2.9 million | 0.0% | +120,014 | added | 30 June 2026 | 13F |
| Renaissance Technologies | 364,800 | $569,088 | 0.0% | +10,200 | added | 30 June 2026 | 13F |
| Citadel Advisors | 58,826 | $91,769 | 0.0% | +58,826 | new | 30 June 2026 | 13F |
| Millennium Management | 43,455 | $67,790 | 0.0% | -163,399 | trimmed | 30 June 2026 | 13F |
| FMR LLC | 1,339 | $2,089 | 0.0% | +529 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 0 | $0 | 0.0% | -10,871 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 4,709,893 | 22.03% | $7.3 million | 0.00% | +490,896 | 13F |
| Vanguard Capital Management LLC | 2,706,900 | 12.66% | $4.2 million | 0.00% | +18,186 | 13F |
| Geode Capital Management, LLC | 1,879,292 | 8.79% | $2.9 million | 0.00% | +120,014 | 13F |
| Baader Bank Aktiengesellschaft | 1,605,000 | 7.51% | $2.5 million | 0.20% | no change | 13F |
| State Street Corp. | 1,369,693 | 6.41% | $2.1 million | 0.00% | +4,220 | 13F |
| Barclays PLC | 953,510 | 4.46% | $1.5 million | 0.00% | -85,407 | 13F |
| American Century Companies Inc. | 950,442 | 4.45% | $1.5 million | 0.00% | -4,026 | 13F |
| Charles Schwab Investment Management Inc. | 539,334 | 2.52% | $841,361 | 0.00% | +18,723 | 13F |
| Northern Trust Corp. | 536,057 | 2.51% | $836,249 | 0.00% | +30,683 | 13F |
| Vanguard Portfolio Management LLC | 469,053 | 2.19% | $731,723 | 0.00% | +80,134 | 13F |
| Dimensional Fund Advisors LP | 448,818 | 2.10% | $700,155 | 0.00% | -287,766 | 13F |
| Vanguard Fiduciary Trust Co. | 438,777 | 2.05% | $684,492 | 0.00% | +6,509 | 13F |
| Hosking Partners LLP | 390,517 | 1.83% | $609,207 | 0.02% | -6,415 | 13F |
| First Trust Advisors LP | 381,889 | 1.79% | $595,746 | 0.00% | +69,939 | 13F |
| Goldman Sachs Group Inc. | 377,277 | 1.76% | $588,551 | 0.00% | +46,088 | 13F |
| Renaissance Technologies LLC | 364,800 | 1.71% | $569,088 | 0.00% | +10,200 | 13F |
| JPMorgan Chase & Co. | 270,982 | 1.27% | $422,732 | 0.00% | +108,730 | 13F |
| AQR Capital Management LLC | 238,152 | 1.11% | $371,517 | 0.00% | +199,801 | 13F |
| Gsa Capital Partners LLP | 201,055 | 0.94% | $314,000 | 0.02% | -88,839 | 13F |
| JTC Employer Solutions Trustee Ltd | 197,859 | 0.93% | $311,000 | 0.03% | no change | 13F |
| Bank of New York Mellon Corp | 195,907 | 0.92% | $305,615 | 0.00% | no change | 13F |
| Morgan Stanley | 167,182 | 0.78% | $260,805 | 0.00% | -94,216 | 13F |
| Nuveen, LLC | 162,044 | 0.76% | $252,788 | 0.00% | +22,436 | 13F |
| Caprock Group, LLC | 119,801 | 0.56% | $186,890 | 0.00% | new | 13F |
| J. Derek Lewis & Associates Inc. | 106,500 | 0.50% | $166,140 | 0.03% | +21,500 | 13F |
| AllianceBernstein L.P. | 142,138 | 0.66% | $163,459 | 0.00% | +44,618 | 13F |
| D. E. Shaw & Co., Inc. | 101,497 | 0.47% | $158,335 | 0.00% | -16,759 | 13F |
| Rhumbline Advisers | 94,756 | 0.44% | $147,811 | 0.00% | +1,678 | 13F |
| Rathbones Group PLC | 92,000 | 0.43% | $143,520 | 0.00% | -112,000 | 13F |
| Storebrand Asset Management As | 88,075 | 0.41% | $137,397 | 0.00% | +5,900 | 13F |
| Acadian Asset Management LLC | 81,760 | 0.38% | $126,000 | 0.00% | +25,654 | 13F |
| Marshall Wace, LLP | 80,526 | 0.38% | $125,621 | 0.00% | -124,110 | 13F |
| UBS Group AG | 68,630 | 0.32% | $107,063 | 0.00% | +26,763 | 13F |
| Citadel Advisors LLC | 58,826 | 0.28% | $91,769 | 0.00% | new | 13F |
| Wells Fargo & Company | 58,510 | 0.27% | $91,276 | 0.00% | +33,296 | 13F |
| Russell Investments Group, Ltd. | 56,498 | 0.26% | $88,099 | 0.00% | +25,205 | 13F |
| Strs Ohio | 48,800 | 0.23% | $76,128 | 0.00% | +8,800 | 13F |
| Deutsche Bank AG | 48,632 | 0.23% | $75,865 | 0.00% | +1,625 | 13F |
| Bank of America Corp. | 45,075 | 0.21% | $70,317 | 0.00% | -15,632 | 13F |
| Millennium Management LLC | 43,455 | 0.20% | $67,790 | 0.00% | -163,399 | 13F |
| Prudential Financial Inc. | 40,010 | 0.19% | $62,416 | 0.00% | +25,200 | 13F |
| Invesco Ltd. | 35,879 | 0.17% | $55,972 | 0.00% | -1,460 | 13F |
| Price T Rowe Associates Inc. | 33,876 | 0.16% | $53,000 | 0.00% | no change | 13F |
| Ieq Capital, LLC | 33,113 | 0.15% | $51,656 | 0.00% | new | 13F |
| Arrowstreet Capital, Limited Partnership | 32,288 | 0.15% | $50,369 | 0.00% | no change | 13F |
| Citigroup Inc. | 31,759 | 0.15% | $49,544 | 0.00% | +15,978 | 13F |
| Mirae Asset Global ETFS Holdings Ltd. | 31,543 | 0.15% | $49,207 | 0.00% | -1,349 | 13F |
| Vanguard Global Advisers, LLC | 23,853 | 0.11% | $37,211 | 0.00% | no change | 13F |
| Vontobel Holding Ltd. | 17,860 | 0.08% | $27,862 | 0.00% | new | 13F |
| Intech Investment Management LLC | 17,643 | 0.08% | $27,523 | 0.00% | -105 | 13F |
The 50 largest of the 90 funds that reported a position in MNTK in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 24 November 2025 | 13G/A | Peresec Prime Brokers (Pty) Ltd and 1 other | 35,878 | n/a | 21 November 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 10 November 2025 | 13D | Aktiv Investment Management (Pty) Ltd | 22.3 million | 15.7% | 3 November 2025 | The Reporting Person holds the Shares for investment purposes | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 31 August 2026 | 3,377 | $1.77 | SEC |
| 26 August 2026 | 7,225 | $1.82 | SEC |
| 21 August 2026 | 5,794 | $1.89 | SEC |
| 13 August 2026 | 3,114 | $1.86 | SEC |
| 11 August 2026 | 9,242 | $1.71 | SEC |
| 7 August 2026 | 2,087 | $1.70 | SEC |
| 4 August 2026 | 10,411 | $1.70 | SEC |
| 30 July 2026 | 3,323 | $1.79 | SEC |
| 22 July 2026 | 11,007 | $1.68 | SEC |
| 17 July 2026 | 829 | $1.69 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.