Ameresco Ownership | Who Owns Ameresco?
Ameresco Ownership Summary
Ameresco is owned by 35.24% institutional investors, 8.46% insiders, and 56.30% retail investors. Wellington management group llp is the largest institutional shareholder, holding 9.00% 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 | 35.24% | 8.46% | 56.30% |
| Sector | Industrials Stocks | 47.63% | 12.54% | 39.83% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Wellington management group llp | 4.74M | 9.00% | $159.02M |
| Grantham, mayo, van otterloo | 3.20M | 6.09% | $107.57B |
| Blackrock funding, inc. /de | 2.47M | 4.66% | $72.25M |
| Blackrock | 2.40M | 4.59% | $69.12M |
| Vanguard group | 2.41M | 4.56% | $70.73M |
| State street | 1.46M | 2.78% | $49.08M |
| Dimensional fund advisors lp | 1.27M | 2.40% | $37.27M |
| Royce & associates lp | 1.07M | 2.01% | $31.25M |
| Granahan investment management | 890.07K | 1.69% | $29.89M |
| Royal bank of canada | 885.34K | 1.68% | $29.73M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Gagnon advisors | 472.80K | 9.80% | $15.88M |
| Bandera partners | 526.77K | 7.75% | $17.69M |
| Redwood grove capital | 619.63K | 5.96% | $20.81M |
| Gagnon securities | 859.41K | 5.79% | $28.86M |
| Rock point advisors | 191.79K | 1.41% | $5.62M |
| Granahan investment management | 890.07K | 1.22% | $29.89M |
| Uscf advisers | 100.00 | 0.56% | $2.93K |
| Clean yield group | 62.74K | 0.51% | $1.84M |
| Kuhn & co investment counsel | 22.65K | 0.44% | $663.42K |
| Portolan capital management | 174.90K | 0.32% | $5.87M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 4.74M | 0.03% | 2.98M |
| Granahan investment management | 890.07K | 1.22% | 462.88K |
| Swedbank ab | 370.00K | 0.01% | 254.00K |
| Bank of america corp /de/ | 318.94K | 0.00% | 231.21K |
| Driehaus capital management | 214.70K | 0.05% | 214.70K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| First trust advisors lp | 176.75K | 0.00% | -1.60M |
| Stephens investment management group | - | - | -1.07M |
| Grantham, mayo, van otterloo | 3.20M | 0.30% | -643.54K |
| Candriam s.c.a. | - | - | -418.58K |
| Centerbook partners lp | - | - | -318.68K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Driehaus capital management | 214.70K | 0.05% | 214.70K | $7.21M |
| Portolan capital management | 174.90K | 0.32% | 174.90K | $5.87M |
| Cooper creek partners management | 152.93K | 0.16% | 152.93K | $5.13M |
| Sg americas securities | 142.02K | 0.01% | 142.02K | $4.16M |
| Shellback capital, lp | 92.58K | 0.20% | 92.58K | $3.11M |
Sold Out
| Holder | Change |
|---|---|
| Mai capital management | -1.00 |
| Dinuzzo private wealth | -2.00 |
| Innealta capital | -4.00 |
| Sjs investment consulting | -4.00 |
| Hexagon capital partners | -5.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 5 | -97.28% | 1,194,190 | -96.25% | 2 | 0.06% | 2 | -97.70% | 2 | -96.49% |
| Dec 31, 2024 | 180 | -4.26% | 31,813,835 | -1.51% | 60 | 1.60% | 85 | -3.41% | 56 | -12.50% |
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 Total Stock Mkt Idx Inv | 981.50K | 1.86% | - |
| Handelsbanken Hållbar Energi (A1 SEK) | 815.15K | 1.54% | 164.32K |
| iShares Russell 2000 ETF | 780.65K | 1.48% | 94.32K |
| GMO Climate Change Investment A GBP Acc | 756.48K | 1.44% | - |
| Stephens SMID Select Growth | 750.43K | 1.43% | -10.63K |
| Vanguard Explorer Inv | 579.59K | 1.11% | -12.29K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 10, 2026 | Corrsin David J | EVP and General Counsel | Sell | $1.32K |
| Feb 19, 2026 | STAVROPOULOS NICKOLAS | - | Sell | $13.60K |
| Feb 20, 2026 | STAVROPOULOS NICKOLAS | - | Sell | $536.15K |
| Feb 12, 2026 | STAVROPOULOS NICKOLAS | - | Sell | $6.80K |
| Feb 13, 2026 | STAVROPOULOS NICKOLAS | - | Sell | $8.34K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q1 | - | 6 |
| 2025 Q4 | - | 8 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | - |
| 2025 Q1 | 9 | 6 |
AMRC Ownership FAQ
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