Montauk Renewables, Inc. - Common Stock (MNTK)

Historical Holders from Q1 2021 to Q4 2025

Symbol
MNTK on Nasdaq
Type / Class
Equity / Common Stock
Shares outstanding
142,023,490
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
20,622,303
Holdings value
$41,452,351
% of all portfolios
0%
Number of holders
87
Number of buys
35
Number of sells
40
Average buys %
+0%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Montauk Renewables, Inc. - Common Stock (MNTK) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Aktiv Investment Management (Pty) Ltd 16% $44,818,353 22,297,688 Aktiv Investment Management (Pty) Ltd 03 Nov 2025
Peresec Prime Brokers (Pty) Ltd 0.03% $72,231 35,936 Peresec Prime Brokers (Pty) Ltd 21 Nov 2025
As of 30 Sep 2025 Montauk Renewables, Inc. - Common Stock (MNTK) has 87 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 20,622,303 shares of 142,023,490 outstanding shares and own 15% of the company stock as of 30 Sep 2025.

Top 25 institutional shareholders of Montauk Renewables, Inc. - Common Stock (MNTK) own 14% of the company based on 13F filings as of 30 Sep 2025

Filer Ownership Holdings Value Nb Shares Share Change %
BlackRock, Inc. 3% $8,576,197 4,266,765 -2.5%
VANGUARD GROUP INC 2.8% $7,942,505 3,951,495 -0.59%
GEODE CAPITAL MANAGEMENT, LLC 1.2% $3,392,888 1,687,618 +0.59%
Baader Bank Aktiengesellschaft 1.1% $3,226,050 1,605,000 0%
STATE STREET CORP 0.98% $2,800,539 1,393,303 +2.3%
DIMENSIONAL FUND ADVISORS LP 0.69% $1,962,006 976,038 -0.63%
AMERICAN CENTURY COMPANIES INC 0.67% $1,919,773 955,111 0%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.38% $1,095,468 545,009 +4%
NORTHERN TRUST CORP 0.37% $1,059,740 527,234 +2%
Hosking Partners LLP 0.28% $795,855 395,948 +0.05%
FIRST TRUST ADVISORS LP 0.24% $678,495 337,560 -5.1%
RENAISSANCE TECHNOLOGIES LLC 0.24% $676,164 336,400 -2.3%
Bank of New York Mellon Corp 0.19% $534,606 265,973 -2.5%
BARCLAYS PLC 0.17% $497,788 247,656 +58%
MORGAN STANLEY 0.17% $476,533 237,081 -6.6%
D. E. Shaw & Co., Inc. 0.16% $448,787 223,277 +24%
GSA CAPITAL PARTNERS LLP 0.15% $427,000 212,504 -13%
CITADEL ADVISORS LLC 0.14% $411,462 204,707 +178%
MILLENNIUM MANAGEMENT LLC 0.14% $405,487 201,735 -6.6%
JTC Employer Solutions Trustee Ltd 0.14% $400,000 197,859 0%
JPMORGAN CHASE & CO 0.13% $357,489 177,855 +175%
GOLDMAN SACHS GROUP INC 0.12% $333,176 165,759 +79%
Nuveen, LLC 0.1% $278,888 138,750 0%
RHUMBLINE ADVISERS 0.09% $252,669 125,712 +19%
JANE STREET GROUP, LLC 0.07% $197,070 98,323 -8.4%

Institutional Holders of Montauk Renewables, Inc. - Common Stock (MNTK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 6,002 $10,023 +$5,718 $1.67 1
2025 Q3 20,622,303 $41,452,351 -$208,935 $2.01 87
2025 Q2 20,695,574 $45,957,924 -$1,642,511 $2.22 83
2025 Q1 21,468,259 $44,880,550 -$1,321,297 $2.09 91
2024 Q4 22,011,635 $87,642,404 -$895,518 $3.98 92
2024 Q3 21,929,878 $114,349,758 -$5,659,702 $5.21 93
2024 Q2 22,686,719 $129,392,698 -$2,173,696 $5.70 109
2024 Q1 23,240,631 $96,605,666 -$2,568,239 $4.16 110
2023 Q4 23,478,789 $209,338,351 +$6,925,919 $8.91 102
2023 Q3 22,682,604 $206,787,455 -$5,960,956 $9.11 93
2023 Q2 23,403,001 $174,364,013 -$3,833,385 $7.44 91
2023 Q1 23,916,560 $187,884,179 -$4,238,954 $7.87 91
2022 Q4 24,350,029 $268,581,703 +$17,524,269 $11.03 96
2022 Q3 22,579,480 $393,788,421 +$32,583,731 $17.44 89
2022 Q2 20,792,383 $208,950,950 +$68,201,665 $10.05 74
2022 Q1 13,959,178 $156,347,000 +$18,420,249 $11.20 45
2021 Q4 12,313,711 $126,243,000 +$10,097,162 $10.25 26
2021 Q3 6,244,698 $70,133,000 +$39,931,143 $11.23 19
2021 Q2 2,825,760 $22,672,000 -$12,841,489 $7.66 20
2021 Q1 3,648,931 $47,875,000 +$42,327,000 $12.08 24