Marshall Wace’s Montauk Renewables MNTK Stock Holding History

Marshall Wace’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	$126K	Sell	80,526 -124,110	-61%	-$184K	﹤0.01%	2899
2026 Q1	$235K	Buy	+204,636	New	+$308K	﹤0.01%	2721
2025 Q3	–	Sell	-56,901	Closed	-$126K	–	3206
2025 Q2	$126K	Buy	56,901 +34,914	+159%	+$73.9K	﹤0.01%	2521
2025 Q1	$46K	Sell	21,987 -21,746	-50%	-$79.4K	﹤0.01%	2541
2024 Q4	$174K	Buy	+43,733	New	+$209K	﹤0.01%	2374
2024 Q3	–	Sell	-168,849	Closed	-$962K	–	2793
2024 Q2	$962K	Buy	+168,849	New	+$781K	﹤0.01%	1709
2023 Q1	–	Sell	-38,175	Closed	-$421K	–	2943
2022 Q4	$421K	Buy	+38,175	New	+$511K	﹤0.01%	2436
2022 Q3	–	Sell	-22,100	Closed	-$222K	–	3632
2022 Q2	$222K	Buy	+22,100	New	+$263K	﹤0.01%	3138
2021 Q2	–	Sell	-20,541	Closed	-$226K	–	2907
2021 Q1	$226K	Buy	+20,541	New	+$247K	﹤0.01%	2220

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

Marshall Wace's MNTK Position: Q2 2026 in Review

Marshall Wace reduced its Montauk Renewables (MNTK) stake by 61% in Q2 2026, selling an estimated $184K and leaving 80,526 shares worth $126K. The position accounts for ﹤0.01% of the portfolio, ranked #2899.

Marshall Wace first reported a position in MNTK in Q1 2021 and has held it in 9 quarters since. The position peaked at $962K in Q2 2024. 90 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

Marshall Wace held 80,526 shares of Montauk Renewables worth $126K as of Q2 2026.
Marshall Wace sold 124,110 Montauk Renewables shares in Q2 2026, an estimated $184K.
Montauk Renewables made up ﹤0.01% of Marshall Wace's portfolio in Q2 2026, its #2899 holding.
Marshall Wace first reported a position in Montauk Renewables in Q1 2021 and has held it in 9 quarters since.
Marshall Wace's Montauk Renewables position peaked at $962K in Q2 2024.
90 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Marshall Wace's 13F filing for Q2 2026, filed 13 Aug 2026.