Montauk Renewables
MNTK
90 hedge funds and large institutions have $33.3M invested in Montauk Renewables in 2026 Q2 according to their latest regulatory filings, with 12 funds opening new positions, 38 increasing their positions, 26 reducing their positions, and 14 closing their positions.
55% more capital inflows, than outflows
Capital inflows: $2.6M | Capital outflows: $1.68M
46% more repeat investments, than reductions
Existing positions increased: 38 | Existing positions reduced: 26
0.4% more ownership
Funds ownership: 14.62% → 15.02% (+0.4%)
4% less funds holding
Funds holding: 94 → 90 (-4)
14% less first-time investments, than exits
New positions opened: 12 | Existing positions closed: 14
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BlackRock
New York
|
+$726K |
| 2 |
AQR Capital Management
Greenwich,
Connecticut
|
+$296K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$178K |
| 4 |
Caprock Group
Boise,
Idaho
|
+$177K |
| 5 |
JP Morgan Chase
New York
|
+$161K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Dimensional Fund Advisors
Austin,
Texas
|
-$426K |
| 2 |
Millennium Management
New York
|
-$242K |
| 3 |
Marshall Wace
London,
United Kingdom
|
-$184K |
| 4 |
Morgan Stanley
New York
|
-$139K |
| 5 |
GCP
GSA Capital Partners
London,
United Kingdom
|
-$131K |
MNTK Hedge Fund Activity: Q2 2026 in Review
90 of the 8,353 institutional investors tracked by Wall St. Rank reported a position in Montauk Renewables (MNTK) for Q2 2026, worth a combined $33.3M — up 39% from $24M a quarter earlier.
Sellers outnumbered buyers: 14 funds closed out of MNTK and 12 opened new positions — a net loss of 2 holders — while 26 trimmed existing stakes and 38 added.
The largest buyer was BlackRock, adding an estimated $726K. The largest seller was Dimensional Fund Advisors, cutting an estimated $426K.
- 90 institutional investors held Montauk Renewables (MNTK) as of Q2 2026, down from 94 in Q1 2026.
- Funds reported $33.3M of Montauk Renewables stock for Q2 2026, up 39% quarter-over-quarter.
- 12 funds opened new Montauk Renewables positions in Q2 2026 and 14 closed out, a net change of -2 holders.
- The largest Montauk Renewables buyer in Q2 2026 was BlackRock, an estimated $726K added.
- The largest Montauk Renewables seller in Q2 2026 was Dimensional Fund Advisors, an estimated $426K sold.
Based on aggregated 13F filings for Q2 2026.