Simplex Trading’s Montauk Renewables MNTK Stock Holding History

Simplex Trading’s Portfolio MNTK Stock Details MNTK Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-1,400	Closed	-$2.34K	–	9746
2025 Q4	$2.34K	Buy	+1,400	New	+$2.69K	﹤0.01%	7783
2024 Q1	–	Sell	-7,200	Closed	-$64K	–	9458
2023 Q4	$64K	Sell	7,200 -200	-3%	-$1.87K	﹤0.01%	5847
2023 Q3	$67K	Buy	+7,400	New	+$66.4K	﹤0.01%	5524
2023 Q1	–	Sell	-1,400	Closed	-$15K	–	9726
2022 Q4	$15K	Sell	1,400 -4,000	-74%	-$53.5K	﹤0.01%	7150
2022 Q3	$94K	Buy	+5,400	New	+$80.6K	﹤0.01%	5613

Other funds holding MNTK

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

BBA

Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.33B AUM 47.35% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return

American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return

Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return

Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Simplex Trading's MNTK Position: Q2 2026 in Review

Simplex Trading reduced its Montauk Renewables (MNTK) stake by 82% in Q2 2026, selling an estimated $5.99K and leaving 864 shares worth $1.35K. The position accounts for ﹤0.01% of the portfolio, ranked #8768.

Simplex Trading first reported a position in MNTK in Q1 2024 and has held it in 7 quarters since. The position peaked at $27K in Q1 2024. 91 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

Simplex Trading held 864 shares of Montauk Renewables worth $1.35K as of Q2 2026.
Simplex Trading sold 4,051 Montauk Renewables shares in Q2 2026, an estimated $5.99K.
Montauk Renewables made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #8768 holding.
Simplex Trading first reported a position in Montauk Renewables in Q1 2024 and has held it in 7 quarters since.
Simplex Trading's Montauk Renewables position peaked at $27K in Q1 2024.
91 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.