MNTK
Montauk Renewables, Inc.
Gas & Other Services CombinedNasdaq<br>Emerging growth company
Total Trades
2
Buys
0
Sells
2
Largest Trade
$1M+
Insiders
2
Institutional Funds
62
Inst. Value
$1M+
Activist Filings
4
Insider Trades
| Insider | Title | Type | Value | Shares | Price | Date |
|---|---|---|---|---|---|---|
| Hill Scott E | VP of Business Dev… | SELL | $1M+ | 104K | $12.03 | Nov 29, 2022 |
| McClain Sean F | President and CEO | SELL | $500K+ | 60K | $12.09 | Nov 29, 2022 |
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Institutional Ownership
13F filings as of Dec 31, 2025 · 62 funds holding
| Fund | Shares | Value | Type |
|---|---|---|---|
| Baader Bank Aktiengesellschaft | 1.6M | $1M+ | SH |
| GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $1M+ | SH |
| STATE STREET CORP | 1.4M | $1M+ | SH |
| AMERICAN CENTURY COMPANIES INC | 955K | $1M+ | SH |
| DIMENSIONAL FUND ADVISORS LP | 706K | $1M+ | SH |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 545K | $500K+ | SH |
| Hosking Partners LLP | 396K | $500K+ | SH |
| RENAISSANCE TECHNOLOGIES LLC | 343K | $500K+ | SH |
| FIRST TRUST ADVISORS LP | 338K | $500K+ | SH |
| GSA CAPITAL PARTNERS LLP | 243K | $100K–$500K | SH |
| JTC Employer Solutions Trustee Ltd | 198K | $100K–$500K | SH |
| JPMORGAN CHASE & CO | 144K | $100K–$500K | SH |
| GOLDMAN SACHS GROUP INC | 129K | $100K–$500K | SH |
| BARCLAYS PLC | 105K | $100K–$500K | SH |
| ALLIANCEBERNSTEIN L.P. | 98K | $100K–$500K | SH |
| RHUMBLINE ADVISERS | 97K | $100K–$500K | SH |
| Rathbones Group PLC | 92K | $100K–$500K | SH |
| Rathbones Group PLC | 92K | $100K–$500K | SH |
| Bank of New York Mellon Corp | 87K | $100K–$500K | SH |
| WELLS FARGO & COMPANY/MN | 75K | $100K–$500K | SH |
Activist & 5%+ Owners
SC 13D/13G filings — investors holding 5%+ of outstanding shares
Peresec Prime Brokers (Pty) Ltd
SC 13G/A · Nov 24, 2025
0.0%
36K shares
Aktiv Investment Management (Pty) Ltd
SC 13D · Nov 10, 2025
15.7%
22.3M shares
Theventheran (Kevin) G. Govender
SC 13G · Feb 11, 2022
12.2%
17.5M shares
SC 13G · Feb 11, 2022
40.1%
57.6M shares