Jane Street
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Jane Street’s Montauk Renewables MNTK Stock Holding History

Jane Street’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 		$39.5K Sell
35,576
-95,111
-73% -$143K ﹤0.01% 11041
2025
Q4 		$229K Buy
130,687
+32,364
+33% +$62.2K ﹤0.01% 9443
2025
Q3 		$197K Sell
98,323
-9,028
-8% -$19.3K ﹤0.01% 9697
2025
Q2 		$244K Buy
107,351
+6,517
+6% +$13.8K ﹤0.01% 8202
2025
Q1 		$213K Buy
100,834
+75,836
+303% +$277K ﹤0.01% 8351
2024
Q4 		$110K Sell
24,998
-37,739
-60% -$181K ﹤0.01% 8726
2024
Q3 		$345K Sell
62,737
-29,305
-32% -$146K ﹤0.01% 7801
2024
Q2 		$541K Sell
92,042
-5,852
-6% -$27.1K ﹤0.01% 6891
2024
Q1 		$413K Buy
97,894
+58,077
+146% +$364K ﹤0.01% 7031
2023
Q4 		$374K Buy
+39,817
New +$373K ﹤0.01% 7278
2023
Q3 		– Sell
-43,247
Closed -$318K – 9100
2023
Q2 		$318K Buy
43,247
+25,834
+148% +$178K ﹤0.01% 7028
2023
Q1 		$135K Buy
+17,413
New +$177K ﹤0.01% 8072
2022
Q2 		– Sell
-37,738
Closed -$432K – 10421
2022
Q1 		$432K Buy
+37,738
New +$395K ﹤0.01% 7748
2021
Q2 		– Sell
-10,672
Closed -$117K – 10174
2021
Q1 		$117K Buy
+10,672
New +$128K ﹤0.01% 8576

Other funds holding MNTK

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
BBA
Baader Bank Aktiengesellschaft Unterschleissheim, Germany $1.28B AUM 38.1% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $194B AUM 35% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $757B AUM 28.64% 1-Year Est. Return

Jane Street's MNTK Position: Q1 2026 in Review

Jane Street reduced its Montauk Renewables (MNTK) stake by 73% in Q1 2026, selling an estimated $143K and leaving 35,576 shares worth $39.5K. The position accounts for ﹤0.01% of the portfolio, ranked #11041.

Jane Street first reported a position in MNTK in Q1 2021 and has held it in 14 quarters since. The position peaked at $541K in Q2 2024. 94 funds tracked by Wall St. Rank hold MNTK as of Q1 2026.

  • Jane Street held 35,576 shares of Montauk Renewables worth $39.5K as of Q1 2026.
  • Jane Street sold 95,111 Montauk Renewables shares in Q1 2026, an estimated $143K.
  • Montauk Renewables made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11041 holding.
  • Jane Street first reported a position in Montauk Renewables in Q1 2021 and has held it in 14 quarters since.
  • Jane Street's Montauk Renewables position peaked at $541K in Q2 2024.
  • 94 funds tracked by Wall St. Rank held Montauk Renewables as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.