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Montauk Renewables
MNTK

Overview Fund Activity

85 hedge funds and large institutions have $46M invested in Montauk Renewables in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 28 increasing their positions, 32 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
85
Holders Change
-7
Holders Change %
-7.61%
% of All Funds
1.14%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
13
Increased
28
Reduced
32
Closed
20
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
GCP
GSA Capital Partners
United Kingdom
$541K
2
Millennium Management
Millennium Management
New York
$480K
3
Vanguard Group
Vanguard Group
Pennsylvania
$8.82M
4
Citadel Advisors
Citadel Advisors
Florida
$163K
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
$153K

Top Sellers

1
HP
Hosking Partners
United Kingdom
$879K
2
UBS AM
UBS AM
Illinois
$0
3
BlackRock
BlackRock
New York
$9.72M
4
Swiss National Bank
Swiss National Bank
Switzerland
$0
5
State Street
State Street
Massachusetts
$3.03M
Name Holding Trade Value Shares
Change 		Shares
Change %
BlackRock
1
BlackRock
New York
$9.72M -$391K -176,061 -4%
Vanguard Group
2
Vanguard Group
Pennsylvania
$8.82M +$303K +136,695 +4%
Geode Capital Management
3
Geode Capital Management
Massachusetts
$3.73M -$218 -98 -0%
BBA
4
Baader Bank Aktiengesellschaft
Germany
$3.56M – – –
State Street
5
State Street
Massachusetts
$3.03M -$199K -89,747 -6%
Dimensional Fund Advisors
6
Dimensional Fund Advisors
Texas
$2.18M +$75.6K +34,030 +4%
American Century Companies
7
American Century Companies
Missouri
$2.12M -$157K -70,888 -7%
Charles Schwab
8
Charles Schwab
California
$1.16M +$34.3K +15,459 +3%
Northern Trust
9
Northern Trust
Illinois
$1.15M -$141K -63,394 -11%
HP
10
Hosking Partners
United Kingdom
$879K -$812K -365,605 -48%
First Trust Advisors
11
First Trust Advisors
Illinois
$789K -$50.6K -22,812 -6%
Renaissance Technologies
12
Renaissance Technologies
New York
$764K +$133K +59,713 +21%
Bank of New York Mellon
13
Bank of New York Mellon
New York
$606K +$80.6K +36,322 +15%
Morgan Stanley
14
Morgan Stanley
New York
$564K -$132K -59,594 -19%
GCP
15
GSA Capital Partners
United Kingdom
$541K +$541K +243,661 New
Millennium Management
16
Millennium Management
New York
$480K +$429K +193,185 +844%
JEST
17
JTC Employer Solutions Trustee
Jersey
$446K – – –
D.E. Shaw & Co
18
D.E. Shaw & Co
New York
$401K -$21.9K -9,869 -5%
Barclays
19
Barclays
United Kingdom
$348K -$83K -37,397 -19%
NL
20
Nuveen LLC
North Carolina
$308K -$73.3K -33,009 -19%
Susquehanna International Group
21
Susquehanna International Group
Pennsylvania
$250K +$52.3K +23,566 +27%
Jane Street
22
Jane Street
New York
$244K +$14.8K +6,517 +6%
RhumbLine Advisers
23
RhumbLine Advisers
Massachusetts
$235K +$26.2K +11,820 +13%
Goldman Sachs
24
Goldman Sachs
New York
$206K -$110K -49,771 -35%
RG
25
Rathbones Group
United Kingdom
$204K +$43.5K +19,600 +27%
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