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Ameresco

186 hedge funds and large institutions have $844M invested in Ameresco in 2026 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 66 increasing their positions, 50 reducing their positions, and 36 closing their positions.

New
Increased
Maintained
Reduced
Closed

860% more call options, than puts

Call options by funds: $6.02M | Put options by funds: $627K

32% more repeat investments, than reductions

Existing positions increased: 66 | Existing positions reduced: 50

6% more first-time investments, than exits

New positions opened: 38 | Existing positions closed: 36

0% more funds holding in top 10

Funds holding in top 10: 33 (0)

0.39% less ownership

Funds ownership: 95.31%94.92% (-0.39%)

1% less funds holding

Funds holding: 188186 (-2)

13% less capital invested

Capital invested by funds: $971M → $844M (-$127M)

Holders
186
Holders Change
-2
Holders Change %
-1.06%
% of All Funds
2.29%
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.04%
New
38
Increased
66
Reduced
50
Closed
36
Calls
$6.02M
Puts
$627K
Net Calls
+$5.39M
Net Calls Change
-$1.66M
Name Holding Trade Value Shares
Change
Change in
Stake
Wellington Management Group
1
Wellington Management Group
Massachusetts
$90.3M -$10.8M -359,756 -9%
BlackRock
2
BlackRock
New York
$62.6M -$299K -9,973 -0.4%
Grantham, Mayo, Van Otterloo & Co (GMO)
3
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$56.9M -$2.82M -94,158 -4%
Dimensional Fund Advisors
4
Dimensional Fund Advisors
Texas
$36.7M +$5.01M +167,068 +13%
VCM
5
Vanguard Capital Management
Pennsylvania
$34.7M +$40.7M +1,358,899 New
State Street
6
State Street
Massachusetts
$33.9M +$150K +5,019 +0.4%
D.E. Shaw & Co
7
D.E. Shaw & Co
New York
$32.4M -$156K -5,208 -0.4%
RA
8
Royce & Associates
New York
$31.9M +$5.49M +183,116 +17%
DnB Asset Management
9
DnB Asset Management
Norway
$23M +$3.51M +117,243 +15%
VPM
10
Vanguard Portfolio Management
Pennsylvania
$21.6M +$25.3M +845,869 New
GS
11
Gagnon Securities
New York
$21.4M +$215K +7,179 +0.9%
Handelsbanken Fonder
12
Handelsbanken Fonder
Sweden
$20.8M +$4.92M +164,317 +25%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$20.2M +$918K +30,627 +4%
Morgan Stanley
14
Morgan Stanley
New York
$17.1M +$2.6M +86,868 +15%
Swedbank
15
Swedbank
Sweden
$16.4M +$8.24M +275,000 +74%
GIM
16
Granahan Investment Management
Massachusetts
$16.1M -$6.53M -217,934 -26%
First Eagle Investment Management
17
First Eagle Investment Management
New York
$14.2M -$579K -19,339 -3%
Legal & General Group
18
Legal & General Group
United Kingdom
$14M +$2.45M +81,648 +17%
American Century Companies
19
American Century Companies
Missouri
$13.4M +$3.92M +130,979 +33%
Royal Bank of Canada
20
Royal Bank of Canada
Ontario, Canada
$12.9M -$2.86M -95,413 -16%
BP
21
Bandera Partners
New York
$12.1M -$1.51M -50,460 -10%
GA
22
Gagnon Advisors
New York
$12.1M
RGC
23
Redwood Grove Capital
California
$12M -$692K -23,100 -5%
UBS Group
24
UBS Group
Switzerland
$10.7M +$622K +20,744 +5%
BCM
25
Bridgeway Capital Management
Texas
$9.49M +$530K +17,696 +5%