JY
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Jeff Yass’s Montauk Renewables MNTK Stock Holding History

Jeff Yass’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
2024
Q2 		– Sell
-26,100
Closed -$109K – 12803
2024
Q1 		$109K Sell
26,100
-7,800
-23% -$48.9K ﹤0.01% 11165
2023
Q4 		$302K Sell
33,900
-25,400
-43% -$238K ﹤0.01% 9824
2023
Q3 		$540K Buy
+59,300
New +$532K ﹤0.01% 8045
2022
Q4 		– Sell
-10,900
Closed -$190K – 13198
2022
Q3 		$190K Buy
+10,900
New +$163K ﹤0.01% 10921

Other funds holding MNTK

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
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
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $521B AUM 51.41% 1-Year Est. Return
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $751B AUM 38.74% 1-Year Est. Return
Northern Trust
Northern Trust Chicago, Illinois $860B AUM 41.15% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Jeff Yass's MNTK Position: Q2 2026 in Review

Jeff Yass sold out of Montauk Renewables (MNTK) in Q2 2026, closing a stake of 24,495 shares — an estimated $28.2K sold.

Jeff Yass first reported a position in MNTK in Q2 2022 and held it in 16 quarters. The position peaked at $3.77M in Q4 2023. 90 funds tracked by Wall St. Rank hold MNTK as of Q2 2026.

  • Jeff Yass reported no remaining Montauk Renewables position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 24,495 Montauk Renewables shares in Q2 2026, an estimated $28.2K.
  • Jeff Yass first reported a position in Montauk Renewables in Q2 2022 and held it in 16 quarters.
  • Jeff Yass's Montauk Renewables position peaked at $3.77M in Q4 2023.
  • 90 funds tracked by Wall St. Rank held Montauk Renewables as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.