Ameresco Ownership | Who Owns Ameresco?
Ameresco Ownership Summary
Ameresco is owned by 66.16% institutional investors, 8.83% insiders, and 25.02% retail investors. Wellington management group llp is the largest institutional shareholder, holding 6.38% of AMRC shares. First Trust RBA Amer Indl RenaisTM ETF is the top mutual fund, with 3.21% of its assets in Ameresco shares.
AMRC Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Ameresco | 66.16% | 8.83% | 25.02% |
| Sector | Industrials Stocks | 65.90% | 16.70% | 17.40% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Wellington management group llp | 3.37M | 6.38% | $93.14M |
| Blackrock funding, inc. /de | 2.65M | 5.01% | $73.18M |
| Blackrock | 2.40M | 4.59% | $69.12M |
| Vanguard group | 2.41M | 4.56% | $70.73M |
| Grantham, mayo, van otterloo | 2.03M | 3.84% | $56.05M |
| Dimensional fund advisors lp | 1.60M | 3.03% | $44.19M |
| State street | 1.60M | 3.03% | $44.19M |
| Millennium management | 1.49M | 2.81% | $41.05M |
| Vanguard capital management | 1.43M | 2.71% | $39.49M |
| D. e. shaw | 1.26M | 2.38% | $34.73M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Gagnon advisors | 472.80K | 8.63% | $13.05M |
| Jcp investment management | 339.00K | 5.00% | $9.36M |
| Gagnon securities | 826.56K | 4.50% | $22.81M |
| Bandera partners | 476.31K | 4.28% | $12.15M |
| Redwood grove capital | 543.52K | 3.80% | $15.00M |
| Rock point advisors | 211.76K | 1.43% | $5.84M |
| Hussman strategic advisors | 105.00K | 0.67% | $2.90M |
| Clean yield group | 69.32K | 0.47% | $1.91M |
| Ironwood investment management | 41.37K | 0.39% | $1.14M |
| Kuhn & co investment counsel | 22.65K | 0.36% | $625.14K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 1.49M | 0.01% | 1.23M |
| Mackenzie financial | 371.05K | 0.01% | 371.05K |
| Jcp investment management | 339.00K | 5.00% | 339.00K |
| Ubs group | 726.03K | 0.00% | 307.90K |
| American century companies | 798.12K | 0.01% | 271.97K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Stephens investment management group | - | - | -1.07M |
| Granahan investment management | 23.62K | 0.02% | -606.45K |
| Driehaus capital management | - | - | -504.66K |
| Candriam s.c.a. | - | - | -418.58K |
| Cooper creek partners management | - | - | -391.96K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Mackenzie financial | 371.05K | 0.01% | 371.05K | $10.24M |
| Jcp investment management | 339.00K | 5.00% | 339.00K | $9.36M |
| Sixth street partners management company | 267.38K | 0.00% | 267.38K | $7.38M |
| Portolan capital management | 174.90K | 0.32% | 174.90K | $5.87M |
| Raiffeisen bank | 100.00K | 0.03% | 100.00K | $2.66M |
Sold Out
| Holder | Change |
|---|---|
| Dinuzzo private wealth | -2.00 |
| Innealta capital | -4.00 |
| Sjs investment consulting | -4.00 |
| Hexagon capital partners | -5.00 |
| Capital performance advisors llp | -6.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Jun 30, 2026 | 191 | 0.53% | 34,987,017 | 5.67% | 66 | 1.69% | 101 | -2.88% | 58 | 18.37% |
| Mar 31, 2026 | 74 | -60.85% | 7,569,346 | -77.28% | 14 | 0.36% | 35 | -60.67% | 18 | -70.00% |
| Dec 31, 2025 | 128 | -33.68% | 18,659,803 | -44.48% | 35 | 0.86% | 54 | -43.16% | 43 | -31.75% |
| Sep 30, 2025 | 183 | 16.56% | 33,170,163 | 7.14% | 63 | 1.82% | 89 | -3.26% | 61 | 38.64% |
| Jun 30, 2025 | 165 | -7.30% | 32,593,585 | 5.53% | 61 | 1.79% | 93 | -8.82% | 49 | -3.92% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| First Trust RBA Amer Indl RenaisTM ETF | 1.69M | 3.21% | - |
| Macquarie Small Cap Core I | 1.49M | 2.84% | - |
| Delaware Small Cap Core I | 1.25M | 2.39% | -7.77K |
| Vanguard US Total Market Shares ETF | 1.04M | 1.98% | - |
| Vanguard Morn Total Stk Mkt Idx Investor | 1.04M | 1.97% | 59.80K |
| Vanguard Total Stock Mkt Idx Inv | 1.04M | 1.97% | 59.80K |
| iShares Russell 2000 ETF | 837.64K | 1.58% | -14.88K |
| Handelsbanken Hållbar Energi (A1 SEK) | 837.17K | 1.58% | -20.81K |
| Swedbank Robur USA A | 815.50K | 1.54% | 97.50K |
| Avantis US Small Cap Value ETF | 790.26K | 1.49% | 7.88K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Aug 07, 2026 | Sakellaris George P | Chief Executive Officer | Buy | $129.75K |
| Aug 11, 2026 | Sakellaris George P | Chief Executive Officer | Buy | $25.90K |
| Aug 10, 2026 | Sakellaris George P | Chief Executive Officer | Buy | $25.27K |
| Aug 10, 2026 | Cox Brian C | - | Buy | $995.28K |
| May 29, 2026 | WISNESKI FRANCIS V JR | - | Sell | $180.60K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q3 | 4 | - |
| 2026 Q2 | - | 5 |
| 2026 Q1 | - | 9 |
| 2025 Q4 | - | 8 |
| 2025 Q3 | - | 3 |
AMRC Ownership FAQ
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