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Ameresco
AMRC

164 hedge funds and large institutions have $496M invested in Ameresco in 2025 Q2 according to their latest regulatory filings, with 27 funds opening new positions, 69 increasing their positions, 47 reducing their positions, and 40 closing their positions.

New
Increased
Maintained
Reduced
Closed

47% more repeat investments, than reductions

Existing positions increased: 69 | Existing positions reduced: 47

33% more capital invested

Capital invested by funds: $374M → $496M (+$122M)

4.68% more ownership

Funds ownership: 89.68% → 94.36% (+4.7%)

8% less funds holding

Funds holding: 179 → 164 (-15)

33% less first-time investments, than exits

New positions opened: 27 | Existing positions closed: 40

58% less call options, than puts

Call options by funds: $882K | Put options by funds: $2.11M

Holders
164
Holders Change
-15
Holders Change %
-8.38%
% of All Funds
2.16%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
27
Increased
69
Reduced
47
Closed
40
Calls
$882K
Puts
$2.11M
Net Calls
-$1.22M
Net Calls Change
+$1.31M

Top Buyers

Rank Fund Capital Flow
1
First Trust Advisors
First Trust Advisors
Illinois
+$22M
2
Wellington Management Group
Wellington Management Group
Massachusetts
+$8.56M
3
State Street
State Street
Massachusetts
+$5.07M
4
RA
Royce & Associates
New York
+$3.19M
5
KCM
Kingdon Capital Management
New York
+$2.62M

Top Sellers

Rank Fund Capital Flow
1
AAP
Ardsley Advisory Partners
Connecticut
-$4.83M
2
CP
CenterBook Partners
Connecticut
-$3.85M
3
Marshall Wace
Marshall Wace
United Kingdom
-$3.38M
4
American Century Companies
American Century Companies
Missouri
-$2.9M
5
BP
Bandera Partners
New York
-$2.72M
Name Holding Trade Value Shares
Change 		Change in
Stake
HCA
26
Harbor Capital Advisors
Illinois
$4.61M +$949K +72,549 +31%
UBS Group
27
UBS Group
Switzerland
$4.46M +$1.24M +94,691 +48%
Northern Trust
28
Northern Trust
Illinois
$4.36M -$1.44M -110,240 -28%
Charles Schwab
29
Charles Schwab
California
$4.04M +$494K +37,755 +17%
BCM
30
Bridgeway Capital Management
Texas
$3.87M +$128K +9,767 +4%
GAM
31
Guinness Asset Management
United Kingdom
$3.68M -$797K -60,861 -20%
CIS
32
Connors Investor Services
Pennsylvania
$3.21M -$151K -11,556 -5%
Voloridge Investment Management
33
Voloridge Investment Management
Florida
$3.12M -$488K -37,308 -15%
KCM
34
Kingdon Capital Management
New York
$3.04M +$2.62M +200,000 New
Russell Investments Group
35
Russell Investments Group
United Kingdom
$3.01M +$936K +71,491 +56%
Walleye Capital
36
Walleye Capital
New York
$2.95M +$2.41M +184,439 +1,838%
Squarepoint
37
Squarepoint
New York
$2.85M +$1.26M +96,606 +106%
DekaBank Deutsche Girozentrale
38
DekaBank Deutsche Girozentrale
Germany
$2.81M -$1.9M -145,420 -44%
Bank of America
39
Bank of America
North Carolina
$2.46M +$244K +18,643 +13%
CAU
40
Caxton Associates (UK)
$2.3M +$1.98M +151,437 New
Verition Fund Management
41
Verition Fund Management
Connecticut
$2.24M +$1.93M +147,511 New
KBC Group
42
KBC Group
Belgium
$2.17M +$1.2M +91,366 +178%
Barclays
43
Barclays
United Kingdom
$2.16M +$1.21M +92,747 +187%
Goldman Sachs
44
Goldman Sachs
New York
$2.15M -$1.06M -81,078 -36%
TI
45
Trexquant Investment
Connecticut
$1.82M -$701K -53,559 -31%
CYG
46
Clean Yield Group
Vermont
$1.78M +$54.4K +4,160 +4%
Tudor Investment Corp
47
Tudor Investment Corp
Connecticut
$1.77M +$499K +38,129 +49%
EAM
48
Erste Asset Management
Austria
$1.65M -$86.2K -6,590 -6%
EF
49
Empowered Funds
Pennsylvania
$1.64M +$128K +9,767 +10%
Bank of New York Mellon
50
Bank of New York Mellon
New York
$1.55M +$39.2K +2,999 +3%
1
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AMRC Hedge Fund Activity: Q2 2025 in Review

164 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in Ameresco (AMRC) for Q2 2025, worth a combined $496M — up 33% from $374M a quarter earlier.

Sellers outnumbered buyers: 40 funds closed out of AMRC and 27 opened new positions — a net loss of 13 holders — while 47 trimmed existing stakes and 69 added.

The largest buyer was First Trust Advisors, adding an estimated $22M. The largest seller was Ardsley Advisory Partners, exiting entirely with an estimated $4.83M sold.

  • 164 institutional investors held Ameresco (AMRC) as of Q2 2025, down from 179 in Q1 2025.
  • Funds reported $496M of Ameresco stock for Q2 2025, up 33% quarter-over-quarter.
  • 27 funds opened new Ameresco positions in Q2 2025 and 40 closed out, a net change of -13 holders.
  • The largest Ameresco buyer in Q2 2025 was First Trust Advisors, an estimated $22M added.
  • The largest Ameresco seller in Q2 2025 was Ardsley Advisory Partners, an estimated $4.83M sold.

Based on aggregated 13F filings for Q2 2025.