Montauk Renewables, Inc.
MNTKFigures shown here come from public SEC filings. Dates beside each section show the available history.
How Montauk Renewables, Inc. Makes Money
Follow each dollar of revenue through to what shareholders keep.
From revenue to net income
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Financial Summary
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SEC filings supply these figures; updates after the dates shown are not included. This page includes 7 annual periods. The latest annual period ends Dec 31, 2025. The latest insider filing shown is dated May 22, 2026. The latest institutional report shown is dated Mar 31, 2026; other ownership filings may exist.
Ownership
Who holds the shares, as reported in SEC ownership filings.
Reported 13F positions
Each row shows what a filer reported for one date, not a current position. The link opens that filing.
| Filer | Report date | Shares | Value | Filing |
|---|---|---|---|---|
| LOS ANGELES CAPITAL MANAGEMENT LLC | 2026-03-31 | 29,205 | $33.6K | SEC filing |
| J. Derek Lewis & Associates Inc. | 2026-03-31 | 85,000 | $97.8K | SEC filing |
| N.E.W. Advisory Services LLC | 2026-03-31 | 10,000 | $11.5K | SEC filing |
| ROTHSCHILD INVESTMENT LLC | 2026-03-31 | 25 | $29 | SEC filing |
| Optiver Holding B.V. | 2026-03-31 | 636 | $731 | SEC filing |
| DEUTSCHE BANK AG\ | 2026-03-31 | 47,007 | $54.1K | SEC filing |
| IFP Advisors, Inc | 2026-03-31 | 188 | $216 | SEC filing |
| RHUMBLINE ADVISERS | 2026-03-31 | 93,078 | $107K | SEC filing |
| JANE STREET GROUP, LLC | 2026-03-31 | 35,576 | $39.5K | SEC filing |
| GSA CAPITAL PARTNERS LLP | 2026-03-31 | 289,894 | Not shown | SEC filing |
| AQR CAPITAL MANAGEMENT LLC | 2026-03-31 | 38,351 | $44.1K | SEC filing |
| Arax Advisory Partners | 2026-03-31 | 5 | $7 | SEC filing |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 2026-03-31 | 3,641 | $4.19K | SEC filing |
| MAI Capital Management | 2026-03-31 | 21 | $25 | SEC filing |
| GEODE CAPITAL MANAGEMENT, LLC | 2026-03-31 | 1,759,278 | $2.02M | SEC filing |
| FIRST TRUST ADVISORS LP | 2026-03-31 | 311,950 | $359K | SEC filing |
| INTECH INVESTMENT MANAGEMENT LLC | 2026-03-31 | 17,748 | $20.4K | SEC filing |
| RENAISSANCE TECHNOLOGIES LLC | 2026-03-31 | 354,600 | $408K | SEC filing |
| SIMPLEX TRADING, LLC | 2026-03-31 | 4,915 | $5.65K | SEC filing |
| GOLDMAN SACHS GROUP INC | 2026-03-31 | 331,189 | $381K | SEC filing |
- Each value is checked against Montauk Renewables, Inc.'s share prices from within about three months of its report date (insiders' Form 4 trades and the latest close).
- Value not shown for 1 row: the filed value is about 1,000 times too small for the share count at Montauk Renewables, Inc.'s share price.
Filer report history
Two reports per filer, as filed. No change is calculated, because the data on file cannot confirm that both reports describe the same security.
- ACADIAN ASSET MANAGEMENT LLC: 11,932 shares reported 2025-12-31; 56,106 shares reported 2026-03-31.
- STRS OHIO: 40,000 shares reported 2025-12-31; 40,000 shares reported 2026-03-31.
- D. E. Shaw & Co., Inc.: 192,348 shares reported 2025-12-31; 118,256 shares reported 2026-03-31.
- NORTHERN TRUST CORP: 465,735 shares reported 2025-12-31; 505,374 shares reported 2026-03-31.
- Covestor Ltd: 22 shares reported 2025-12-31; 64 shares reported 2026-03-31.
- JPMORGAN CHASE & CO: 172,192 shares reported 2025-12-31; 162,252 shares reported 2026-03-31.
- DIMENSIONAL FUND ADVISORS LP: 832,534 shares reported 2025-12-31; 736,584 shares reported 2026-03-31.
- SBI Securities Co., Ltd.: 14 shares reported 2025-12-31; 116 shares reported 2026-03-31.
- Point72 Asset Management, L.P.: 10,418 shares reported 2025-12-31; 10,871 shares reported 2026-03-31.
- MANUFACTURERS LIFE INSURANCE COMPANY, THE: 20,582 shares reported 2025-12-31; 18,967 shares reported 2026-03-31.
- Legal & General Group Plc: 6,061 shares reported 2025-12-31; 5,771 shares reported 2026-03-31.
- TOWARZYSTWO FUNDUSZY INWESTYCYJNYCH PZU SA: 1,200 shares reported 2025-12-31; 1,200 shares reported 2026-03-31.
Showing the 12 most recent filer reports.
68 filers have only one report here.
Purchases & sales (open market or private)
| Security | Code | Price | Filing | |||
|---|---|---|---|---|---|---|
| 2026-05-11 | Copelyn John A · Director | Common Stock | P — Open market or private purchase | +17,506 | 1.45 | SEC filing |
| 2022-11-28 | Hill Scott E · VP of Business Development | Common Stock | S — Open market or private sale | −101,797 | 12.02 | SEC filing |
| 2022-11-28 | McClain Sean F · President and CEO | Common Stock | S — Open market or private sale | −57,750 | 12.07 | SEC filing |
| 2022-11-28 | McClain Sean F · President and CEO | Common Stock | S — Open market or private sale | −2,250 | 12.68 | SEC filing |
| 2022-11-28 | Hill Scott E · VP of Business Development | Common Stock | S — Open market or private sale | −2,350 | 12.68 | SEC filing |
Showing 5 of 5 rows
Grants, exercises, tax & gifts
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2026-05-20 | Van Asdalan Kevin A · Chief Financial Officer | Common Stock | A — Grant, award, or other acquisition | +302,982 | SEC filing |
| 2026-05-20 | McClain Sean F · President & CEO | Common Stock | A — Grant, award, or other acquisition | +383,183 | SEC filing |
| 2026-05-20 | Shaw James A · Chief Operating Officer | Common Stock | A — Grant, award, or other acquisition | +282,842 | SEC filing |
| 2026-05-20 | Ciroli John · Chief Legal Officer | Common Stock | A — Grant, award, or other acquisition | +302,982 | SEC filing |
| 2025-11-24 | Frank Sharon R · VP Environ Health & Safety | Common Stock | F — Payment of exercise price or tax by delivering securities | −2,748 | SEC filing |
| 2024-11-24 | Frank Sharon R · VP Environ Health & Safety | Common Stock | F — Payment of exercise price or tax by delivering securities | −2,748 | SEC filing |
| 2023-11-24 | Frank Sharon R · VP Environ. Health & Safety | Common Stock | F — Payment of exercise price or tax by delivering securities | −2,658 | SEC filing |
| 2023-09-15 | Barsch Michael · See Remarks | Employee Stock Option (right to buy) | A — Grant, award, or other acquisition | +75,000 | SEC filing |
Showing 8 of 20 rows
Other activity
| Security | Code | Filing | |||
|---|---|---|---|---|---|
| 2021-01-26 | Raynor Bruce S · Director | Contract for Difference | J — Other acquisition or disposition | +1 | SEC filing |
| 2021-01-21 | Montauk Holdings Ltd · 10% owner | Common Stock, par value $0.01 per share | J — Other acquisition or disposition | −135,965,514 | SEC filing |
Showing 2 of 2 rows
These tables describe filed transactions, not current holdings. Prices are shown as filed; a currency is added only when the filing's data names one. Amended and possible duplicate rows are left out of size comparisons and transaction groups.