Ameresco
AMRC
185 hedge funds and large institutions have $957M invested in Ameresco in 2026 Q2 according to their latest regulatory filings, with 28 funds opening new positions, 73 increasing their positions, 57 reducing their positions, and 27 closing their positions.
331% more call options, than puts
Call options by funds: $15.9M | Put options by funds: $3.7M
33% more funds holding in top 10
Funds holding in top 10: 3 → 4 (+1)
28% more repeat investments, than reductions
Existing positions increased: 73 | Existing positions reduced: 57
13% more capital invested
Capital invested by funds: $845M → $957M (+$113M)
4.47% more ownership
Funds ownership: 94.98% → 99.45% (+4.5%)
4% more first-time investments, than exits
New positions opened: 28 | Existing positions closed: 27
1% less funds holding
Funds holding: 187 → 185 (-2)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$35.7M |
| 2 |
Mackenzie Financial
Toronto Ontario,
Ontario, Canada
|
+$10.7M |
| 3 |
JIM
JCP Investment Management
Houston,
Texas
|
+$9.8M |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$8.9M |
| 5 |
American Century Companies
Kansas City,
Missouri
|
+$7.86M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GIM
Granahan Investment Management
Waltham,
Massachusetts
|
-$17.5M |
| 2 |
RA
Royce & Associates
New York
|
-$7.28M |
| 3 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$6.1M |
| 4 |
Balyasny Asset Management
Chicago,
Illinois
|
-$5.8M |
| 5 |
Grantham, Mayo, Van Otterloo & Co (GMO)
Boston,
Massachusetts
|
-$5.75M |
AMRC Hedge Fund Activity: Q2 2026 in Review
185 of the 8,305 institutional investors tracked by Wall St. Rank reported a position in Ameresco (AMRC) for Q2 2026, worth a combined $957M — up 13% from $845M a quarter earlier.
Buyers outnumbered sellers: 28 funds opened new AMRC positions and 27 closed out — a net gain of 1 holder — while 73 added to existing stakes and 57 trimmed.
The largest buyer was Millennium Management, adding an estimated $35.7M. The largest seller was Granahan Investment Management, cutting an estimated $17.5M.
- 185 institutional investors held Ameresco (AMRC) as of Q2 2026, down from 187 in Q1 2026.
- Funds reported $957M of Ameresco stock for Q2 2026, up 13% quarter-over-quarter.
- 28 funds opened new Ameresco positions in Q2 2026 and 27 closed out, a net change of +1 holder.
- The largest Ameresco buyer in Q2 2026 was Millennium Management, an estimated $35.7M added.
- The largest Ameresco seller in Q2 2026 was Granahan Investment Management, an estimated $17.5M sold.
Based on aggregated 13F filings for Q2 2026.