AMRC
Ameresco, Inc. · Industrials · Engineering & Construction
Momentum inputs (comparable managers):
holder breadth -30.0% ·
share flow +4.1% ·
net new positions -20.0%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 74 | -1 | 25.06M | $690.27M | +6 | −8 |
| Q1 2026 | 79 | +3 | 23.14M | $589.38M | +8 | −5 |
| Q4 2025 | 75 | +3 | 23.58M | $690.61M | +3 | — |
| Q3 2025 | 13 | +1 | 13.74M | $461.37M | +2 | −1 |
| Q2 2025 | 9 | -4 | 9.92M | $150.66M | — | −4 |
| Q1 2025 | 10 | 0 | 4.58M | $55.29M | +2 | −2 |
| Q4 2024 | 10 | -1 | 3.50M | $82.12M | — | −1 |
| Q3 2024 | 10 | +1 | 2.93M | $110.99M | +1 | — |
| Q2 2024 | 9 | — | 2.61M | $75.26M | — | — |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | The Vanguard Group ✦ (passive) | 2.50M | — | $37.99M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | The Vanguard Group ✦ (passive) | 2.50M | — | $37.99M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | The Vanguard Group ✦ (passive) | 2.50M | — | $37.99M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | The Vanguard Group ✦ (passive) | 2.50M | — | $37.99M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | The Vanguard Group ✦ (passive) | 2.50M | — | $37.99M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 2.44M | — | $37.04M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Wellington Management ✦ | 1.75M | +59.4% | $26.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 21 | Wellington Management ✦ | 1.75M | +59.4% | $26.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | Wellington Management ✦ | 1.75M | +59.4% | $26.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Wellington Management ✦ | 1.75M | +59.4% | $26.64M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | State Street Global Advisors ✦ (passive) | 1.47M | +35.8% | $22.34M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 25 | D. E. Shaw & Co. ✦ | 901.09K | +5.8% | $13.69M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | D. E. Shaw & Co. ✦ | 901.09K | +5.8% | $13.69M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Geode Capital Management ✦ (passive) | 788.83K | +0.2% | $11.98M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 788.83K | +0.2% | $11.98M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | T. Rowe Price ✦ | 33.01K | +3.5% | $502,000 | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | Two Sigma Investments ✦ | 21.55K | -74.3% | $327,344 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 8.99K | — | $136,570 | 0.0% | n/c | 1 | SEC ↗ |
| 32 | Fidelity (FMR) ✦ | 8.99K | — | $136,570 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Marshall Wace | $3.38M | was 0.0% |
| Millennium Management | $2.24M | was 0.0% |
| Citadel Advisors | $1.27M | was 0.0% |
| AQR Capital Management | $819,943 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 2 holders, 20.48K shares, $522,342 reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Director · 4.62K sh @ 21.64 · $100,085
Officer, Director, 10% owner · Chief Executive… · 1.00K sh @ 25.90 · $25,900
Director · 39.70K sh @ 25.07 · $995,279
Officer, Director, 10% owner · Chief Executive… · 1.00K sh @ 25.27 · $25,270
Officer, Director, 10% owner · Chief Executive… · 5.00K sh @ 25.95 · $129,750
Open-market sales (S)
No open-market insider sales in our coverage window.
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology