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The company

Montauk Renewables, Inc.

MNTK · Nasdaq

UtilitiesElectric Utilities & IPPsLeading

MNTK stood above a rising 150-day average in 10 of the last 52 weekly readings, including each of the last 10 weeks. It is 22.0% above that average now. Electric Utilities & IPPs: 12% of its 75 stocks in an uptrend (+3 points in four weeks); Utilities: 13% (−4 points in four weeks).

SEC filings

Statistics

Rotation: Leading
Weeks in an uptrend: 10 in a row
Industry in uptrend: 12% +3 in 4 wk
Insider buys, 12 months: $51K
Insider sales, 12 months: $0
Officials’ trades on record: 0
Institutions holding: 89 (+2)

In the rotation

Each square a week: lit when it closed above a rising 150-day average. 10 of 52 weeks.

17 Apr – 16 Oct

Electric Utilities & IPPs: Few of its stocks are in an uptrend and the share has held steady. Utilities: Few of its stocks are in an uptrend and the share has been slipping.

Money in and out

1 Nov 2024 – 1 Oct 2026

Open-market buys above the line and sales below, in dollars.

Congress and officials

No member of Congress or official has disclosed a trade in it.

Insiders

Buy orders, 12 months1

Sale orders, 12 months0

Buyers · sellers1 · 0

Who	Did	Shares	Traded
John A. CopelynDirector	bought	17,506at $1.45	11 May 2026filed 13 May 2026

Lines filed since 2 January 2026, newest first; every insider’s older lines are on their own page.

Institutions

Holders89+2 on the quarter

New · exited17 · 15

Reported value$33.4M

Quarter to 30 Jun 2026, against 31 Mar 2026; newest filing 31 Aug 2026.

Manager	Shares	Change
BlackRock, Inc.added · filed 7 Aug 2026	4,709,893$7.3M	+490,896+11.6%
VANGUARD CAPITAL MANAGEMENT LLCadded · filed 13 Aug 2026	2,706,900$4.2M	+18,186+0.7%
GEODE CAPITAL MANAGEMENT, LLCadded · filed 12 Aug 2026	1,879,292$2.9M	+120,014+6.8%
Baader Bank Aktiengesellschaftunchanged · filed 23 Jul 2026	1,605,000$2.5M	00.0%
STATE STREET CORPadded · filed 7 Aug 2026	1,369,693$2.1M	+4,220+0.3%
BARCLAYS PLCreduced · filed 14 Aug 2026	953,510$1.5M	-85,407−8.2%
AMERICAN CENTURY COMPANIES INCreduced · filed 12 Aug 2026	950,442$1.5M	-4,026−0.4%
CHARLES SCHWAB INVESTMENT MANAGEMENT INCadded · filed 14 Aug 2026	539,334$841K	+18,723+3.6%
Sixth Street Partners Management Company, L.P.new · filed 14 Aug 2026	539,334$841K	+539,334
NORTHERN TRUST CORPadded · filed 13 Aug 2026	536,057$836K	+30,683+6.1%