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 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 $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

BBA

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

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return

Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Marshall Wace's MNTK Position: Q1 2026 in Review

Marshall Wace opened a new position in Montauk Renewables (MNTK) in Q1 2026: 204,636 shares worth $235K. The stake represents ﹤0.01% of the portfolio and ranks #2721 among its holdings. This is a return to the name: Marshall Wace previously reported a position in MNTK as recently as Q2 2025.

Marshall Wace first reported a position in MNTK in Q1 2021 and has held it in 8 quarters since. The position peaked at $962K in Q2 2024. 94 funds tracked by Wall St. Rank hold MNTK as of Q1 2026.

Marshall Wace held 204,636 shares of Montauk Renewables worth $235K as of Q1 2026.
Montauk Renewables was a new Marshall Wace position in Q1 2026.
Montauk Renewables made up ﹤0.01% of Marshall Wace's portfolio in Q1 2026, its #2721 holding.
Marshall Wace first reported a position in Montauk Renewables in Q1 2021 and has held it in 8 quarters since.
Marshall Wace's Montauk Renewables position peaked at $962K in Q2 2024.
94 funds tracked by Wall St. Rank held Montauk Renewables as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.