We are live on ! Find out more
MNTK icon

Montauk Renewables
MNTK

94 hedge funds and large institutions have $24M invested in Montauk Renewables in 2026 Q1 according to their latest regulatory filings, with 22 funds opening new positions, 29 increasing their positions, 29 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

144% more first-time investments, than exits

New positions opened: 22 | Existing positions closed: 9

15% more funds holding

Funds holding: 82 → 94 (+12)

0.64% more ownership

Funds ownership: 13.98% → 14.62% (+0.64%)

0% more repeat investments, than reductions

Existing positions increased: 29 | Existing positions reduced: 29

28% less capital invested

Capital invested by funds: $33.3M → $24M (-$9.29M)

Holders
94
Holders Change
+12
Holders Change %
+14.63%
% of All Funds
1.16%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
22
Increased
29
Reduced
29
Closed
9
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Barclays
Barclays
United Kingdom
+$1.4M
2
Marshall Wace
Marshall Wace
United Kingdom
+$308K
3
Millennium Management
Millennium Management
New York
+$273K
4
Goldman Sachs
Goldman Sachs
New York
+$204K
5
JDLA
J. Derek Lewis & Associates
California
+$128K

Top Sellers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
-$334K
2
BlackRock
BlackRock
New York
-$159K
3
Dimensional Fund Advisors
Dimensional Fund Advisors
Texas
-$145K
4
Jane Street
Jane Street
New York
-$143K
5
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$112K
Name Holding Trade Value Shares
Change 		Change in
Stake
AB
101
Amalgamated Bank
New York
– -$4K -2,114 Closed
C
102
Covestor
United Kingdom
– +$63 +42 +191%
1 2 3 4
5

MNTK Hedge Fund Activity: Q1 2026 in Review

94 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Montauk Renewables (MNTK) for Q1 2026, worth a combined $24M — down 28% from $33.3M a quarter earlier.

Buyers outnumbered sellers: 22 funds opened new MNTK positions and 9 closed out — a net gain of 13 holders — while 29 added to existing stakes and 29 trimmed.

The largest buyer was Barclays, adding an estimated $1.4M. The largest seller was Citadel Advisors, exiting entirely with an estimated $334K sold.

  • 94 institutional investors held Montauk Renewables (MNTK) as of Q1 2026, up from 82 in Q4 2025.
  • Funds reported $24M of Montauk Renewables stock for Q1 2026, down 28% quarter-over-quarter.
  • 22 funds opened new Montauk Renewables positions in Q1 2026 and 9 closed out, a net change of +13 holders.
  • The largest Montauk Renewables buyer in Q1 2026 was Barclays, an estimated $1.4M added.
  • The largest Montauk Renewables seller in Q1 2026 was Citadel Advisors, an estimated $334K sold.

Based on aggregated 13F filings for Q1 2026.