Montauk Renewables, Inc.
US ˙ NasdaqCM ˙ US61218C1036

SecurityMNTK / Montauk Renewables, Inc.
InstitutionFmr Llc
Latest Disclosed Ownership810 shares
Latest Disclosed Value $ 932
Fmr Llc reports 91.16% decrease in ownership of MNTK / Montauk Renewables, Inc.

On May 15, 2026 - Fmr Llc filed a 13F-HR form disclosing ownership of 810 shares of Montauk Renewables, Inc. (US:MNTK) valued at $931 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 9,158 shares of Montauk Renewables, Inc.. This represents a change in shares of -91.16% during the quarter. The current value of the position is $1,345 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F MONTAUK RENEWABLES COM 61218C103 810 -8,348 -91.16 1 -100.00 0.0000
2026-02-17 2025-12-31 13F MONTAUK RENEWABLES COM 61218C103 9,158 7,512 456.38 15 400.00 0.0000
2025-11-13 2025-09-30 13F MONTAUK RENEWABLES COM 61218C103 1,646 280 20.50 3 0.00 0.0000
2025-08-14 2025-06-30 13F MONTAUK RENEWABLES COM 61218C103 1,366 555 68.43 3 200.00 0.0000
2025-05-12 2025-03-31 13F MONTAUK RENEWABLES COM 61218C103 811 -866 -51.64 2 -83.33 0.0000
2025-02-13 2024-12-31 13F MONTAUK RENEWABLES COM 61218C103 1,677 990 144.10 7 100.00 0.0000
2024-11-13 2024-09-30 13F MONTAUK RENEWABLES COM 61218C103 687 -64 -8.52 4 -25.00 0.0000
2024-08-13 2024-06-30 13F MONTAUK RENEWABLES COM 61218C103 751 -867 -53.58 4 -33.33 0.0000
2024-05-13 2024-03-31 13F MONTAUK RENEWABLES COM 61218C103 1,618 -587 -26.62 7 -68.42 0.0000
2024-02-13 2023-12-31 13F MONTAUK RENEWABLES COM 61218C103 2,205 -361 -14.07 20 -17.39 0.0000
2023-11-13 2023-09-30 13F MONTAUK RENEWABLES COM 61218C103 2,566 781 43.75 23 76.92 0.0000
2023-08-11 2023-06-30 13F MONTAUK RENEWABLES COM 61218C103 1,785 1,017 132.42 13 116.67 0.0000
2023-08-11 2023-03-31 13F/A-1 MONTAUK RENEWABLES COM 61218C103 768 -15,732 -95.35 6 -96.69 0.0000
2023-05-11 2023-03-31 13F MONTAUK RENEWABLES COM 61218C103 768 -15,732 6 0.0000
2023-02-13 2022-12-31 13F MONTAUK RENEWABLES COM 61218C103 16,500 -18,179 -52.42 182 -70.08 0.0000
2022-11-10 2022-09-30 13F MONTAUK RENEWABLES COM 61218C103 34,679 34,361 10,805.35 605 20,066.67 0.0001
2022-08-12 2022-06-30 13F MONTAUK RENEWABLES COM 61218C103 318 318 3 0.0000
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.