Ameresco Ownership | Who Owns Ameresco?
Ameresco Ownership Summary
Ameresco is owned by 14.34% institutional investors, 8.58% insiders, and 77.08% retail investors. Wellington management group llp is the largest institutional shareholder, holding 6.71% 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 | 14.34% | 8.58% | 77.08% |
| Sector | Industrials Stocks | 48.69% | 15.99% | 35.32% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Wellington management group llp | 3.54M | 6.71% | $90.31M |
| Blackrock funding, inc. /de | 2.46M | 4.65% | $62.65M |
| Blackrock | 2.40M | 4.59% | $69.12M |
| Vanguard group | 2.41M | 4.56% | $70.73M |
| Grantham, mayo, van otterloo | 2.23M | 4.22% | $56.86M |
| Dimensional fund advisors lp | 1.44M | 2.73% | $36.71M |
| State street | 1.33M | 2.52% | $33.90M |
| D. e. shaw | 1.27M | 2.41% | $32.44M |
| Royce & associates lp | 1.25M | 2.37% | $31.87M |
| Dnb asset management as | 902.29K | 1.71% | $23.01M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Gagnon advisors | 472.80K | 8.87% | $12.06M |
| Bandera partners | 476.31K | 5.49% | $12.15M |
| Gagnon securities | 840.06K | 4.94% | $21.42M |
| Redwood grove capital | 469.52K | 3.86% | $11.97M |
| Rock point advisors | 211.13K | 1.46% | $5.38M |
| Granahan investment management | 630.07K | 0.78% | $16.07M |
| Hussman strategic advisors | 126.00K | 0.69% | $3.21M |
| Clean yield group | 66.46K | 0.48% | $1.69M |
| Kuhn & co investment counsel | 22.65K | 0.37% | $577.58K |
| Portolan capital management | 174.90K | 0.32% | $5.87M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Exchange traded concepts | 310.35K | 0.06% | 310.35K |
| Swedbank ab | 645.00K | 0.02% | 275.00K |
| Bank of america corp /de/ | 318.94K | 0.00% | 231.21K |
| Balyasny asset management | 227.50K | 0.01% | 227.50K |
| Vanguard fiduciary trust | 201.41K | 0.00% | 201.41K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Stephens investment management group | - | - | -1.07M |
| First trust advisors lp | 174.01K | 0.00% | -892.56K |
| Driehaus capital management | - | - | -504.66K |
| Candriam s.c.a. | - | - | -418.58K |
| Cooper creek partners management | - | - | -391.96K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Exchange traded concepts | 310.35K | 0.06% | 310.35K | $7.91M |
| Vanguard fiduciary trust | 201.41K | 0.00% | 201.41K | $5.14M |
| Portolan capital management | 174.90K | 0.32% | 174.90K | $5.87M |
| Baird financial group | 150.52K | 0.01% | 150.52K | $3.84M |
| Hussman strategic advisors | 126.00K | 0.69% | 126.00K | $3.21M |
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 % |
|---|---|---|---|---|---|---|---|---|---|---|
| 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% |
| Mar 31, 2025 | 5 | -97.28% | 1,194,190 | -96.25% | 2 | 0.06% | 2 | -97.70% | 2 | -96.49% |
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 | 1.85% | - |
| Handelsbanken Hållbar Energi (A1 SEK) | 815.15K | 1.54% | - |
| GMO Climate Change Investment A GBP Acc | 756.48K | 1.44% | - |
| iShares Russell 2000 ETF | 759.53K | 1.43% | 6.39K |
| Stephens SMID Select Growth | 750.43K | 1.43% | -10.63K |
| Swedbank Robur USA A | 645.00K | 1.22% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 29, 2026 | WISNESKI FRANCIS V JR | - | Sell | $180.60K |
| May 19, 2026 | WISNESKI FRANCIS V JR | - | Sell | $302.90K |
| May 18, 2026 | Miller Jennifer L | - | Sell | $77.18K |
| May 18, 2026 | Miller Jennifer L | - | Sell | $245.54K |
| May 15, 2026 | STAVROPOULOS NICKOLAS | - | Sell | $46.07K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | 5 |
| 2026 Q1 | - | 9 |
| 2025 Q4 | - | 8 |
| 2025 Q3 | - | 3 |
| 2025 Q2 | - | - |
AMRC Ownership FAQ
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