Rathbones Group’s Montauk Renewables MNTK Stock Holding History

Rathbones Group’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 Q2	$144K	Sell	92,000 -10,000	-10%	-$14.8K	﹤0.01%	621
2026 Q1	$117K	Buy	102,000 +10,000	+11%	+$15.1K	﹤0.01%	615
2025 Q4	$154K	Hold	92,000	–	–	﹤0.01%	592
2025 Q3	$185K	Hold	92,000	–	–	﹤0.01%	587
2025 Q2	$204K	Buy	92,000 +19,600	+27%	+$41.5K	﹤0.01%	558
2025 Q1	$151K	Buy	72,400 +42,000	+138%	+$153K	﹤0.01%	546
2024 Q4	$121K	Hold	30,400	–	–	﹤0.01%	563
2024 Q3	$158K	Hold	30,400	–	–	﹤0.01%	549
2024 Q2	$173K	Hold	30,400	–	–	﹤0.01%	557
2024 Q1	$126K	Buy	+30,400	New	+$191K	﹤0.01%	568

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

Rathbones Group's MNTK Position: Q2 2026 in Review

Rathbones Group reduced its Montauk Renewables (MNTK) stake by 9.8% in Q2 2026, selling an estimated $14.8K and leaving 92,000 shares worth $144K. The position accounts for ﹤0.01% of the portfolio, ranked #621.

Rathbones Group first reported a position in MNTK in Q1 2024 and has held it in 10 quarters since. The position peaked at $204K in Q2 2025. 91 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

Rathbones Group held 92,000 shares of Montauk Renewables worth $144K as of Q2 2026.
Rathbones Group sold 10,000 Montauk Renewables shares in Q2 2026, an estimated $14.8K.
Montauk Renewables made up ﹤0.01% of Rathbones Group's portfolio in Q2 2026, its #621 holding.
Rathbones Group first reported a position in Montauk Renewables in Q1 2024 and has held it in 10 quarters since.
Rathbones Group's Montauk Renewables position peaked at $204K in Q2 2025.
91 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Rathbones Group's 13F filing for Q2 2026, filed 23 Jul 2026.