Latest Period
Q2 2026
CUSIP: 02361E108
Latest Period
Q2 2026
Institutions Reporting
183
Shares (Excl. Options)
34,745,504
Price
$27.60
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Latest holder context comes from 183 institutions filings for Q2 2026.
Security key
02361E108
Latest holder period
Q2 2026
13F holders
183
13D/G owners
9
CIK / CUSIP context first
Broader feeds
Open recent reporting periods for CUSIP 02361E108:
13D/G owners
Large-stake holder rows connected to Schedule 13D/G evidence.
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Sakellaris George P | 40% | $208,479,798 | 20,723,638 | Sakellaris George P | 31 Dec 2024 | |||
| WELLINGTON MANAGEMENT GROUP LLP | 10% | -9.1% | $93,497,633 | -$9,497,558 | 3,541,577 | -9.2% | Wellington Management Group LLP | 31 Mar 2026 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 6.7% | -28% | $67,994,154 | -$25,737,125 | 2,323,792 | -27% | Grantham, Mayo, Van Otterloo & Co. LLC | 31 Dec 2025 |
| MILLENNIUM MANAGEMENT LLC | 5.2% | $50,126,264 | 1,816,169 | Millennium Management LLC | 17 Jul 2026 | |||
| GAGNON SECURITIES LLC | 5% | +2% | $36,420,812 | +$940,485 | 1,762,866 | +2.7% | Neil Gagnon | 20 Aug 2026 |
| Gagnon Neil | 5% | $17,486,222 | 1,738,193 | Neil Gagnon | 03 Mar 2025 | |||
| Handelsbanken Fonder AB | 4.9% | $16,865,610 | 1,676,502 | Handelsbanken Fonder AB | 30 Sep 2024 | |||
| FIRST TRUST PORTFOLIOS LP | 0.78% | -93% | $9,071,167 | -$53,793,985 | 270,136 | -86% | First Trust Portfolios L.P. | 30 Sep 2025 |
| MACQUARIE GROUP LTD | 0% | -107% | $936 | -$18,566,022 | 93 | -100% | Macquarie Group Limited | 31 Mar 2025 |
As of 30 Jun 2026, 183 institutional investors reported holding 34,745,504 shares of Ameresco, Inc. - Class A Common Stock (AMRC). This represents 99% of the company’s total 35,257,320 outstanding shares.
13F concentration
Largest 13F positions for this security by reported shares and value.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 9.6% | 3,374,767 | -4.7% | 0.02% | $93,143,570 |
| BlackRock, Inc. | 7.5% | 2,651,574 | +7.9% | 0% | $73,183,430 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 5.8% | 2,030,950 | -8.9% | 0.13% | $56,054,220 |
| DIMENSIONAL FUND ADVISORS LP | 4.5% | 1,601,338 | +11% | 0.01% | $44,194,239 |
| STATE STREET CORP | 4.5% | 1,601,127 | +20% | 0% | $44,191,105 |
| MILLENNIUM MANAGEMENT LLC | 4.2% | 1,487,282 | +489% | 0.03% | $41,048,983 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 1,430,762 | +5.3% | 0% | $39,489,031 |
| D. E. Shaw & Co., Inc. | 3.6% | 1,258,266 | -1.1% | 0.02% | $34,728,141 |
| DNB Asset Management AS | 2.9% | 1,025,498 | +14% | 0.08% | $28,303,745 |
| ROYCE & ASSOCIATES LP | 2.8% | 998,183 | -20% | 0.22% | $27,549,851 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.6% | 914,162 | +8.1% | 0% | $25,230,871 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.4% | 862,848 | +8.8% | 0% | $23,818,909 |
| Handelsbanken Fonder AB | 2.4% | 857,979 | +5.3% | 0.07% | $23,680,000 |
| GAGNON SECURITIES LLC | 2.3% | 826,562 | -1.6% | 4.4% | $22,813,111 |
| AMERICAN CENTURY COMPANIES INC | 2.3% | 798,121 | +52% | 0.01% | $22,028,140 |
| Legal & General Group Plc | 2.3% | 796,268 | +45% | 0% | $21,976,997 |
| First Eagle Investment Management, LLC | 2.1% | 749,081 | +35% | 0.03% | $20,674,636 |
| UBS Group AG | 2.1% | 726,028 | +74% | 0% | $20,038,373 |
| Swedbank AB | 2% | 718,000 | +11% | 0.02% | $19,816,800 |
| MORGAN STANLEY | 1.8% | 648,021 | -3.4% | 0% | $17,885,380 |
| Redwood Grove Capital, LLC | 1.5% | 543,525 | +16% | 3.8% | $15,001,290 |
| Bandera Partners LLC | 1.4% | 476,309 | 0% | 4.3% | $12,145,880 |
| Gagnon Advisors, LLC | 1.3% | 472,798 | 0% | 8.3% | $13,049,225 |
| ROYAL BANK OF CANADA | 1.2% | 418,879 | -17% | 0% | $11,561,000 |
| MACKENZIE FINANCIAL CORP | 1.1% | 371,053 | 0.01% | $10,241,063 |
Quarter history
Holder count, reported shares/value, and median price by quarter.
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 34,745,504 | $957,203,755 | +$48,236,358 | $27.60 | 183 |
| 2026 Q1 | 33,129,579 | $844,523,184 | -$8,254,927 | $25.50 | 186 |
| 2025 Q4 | 33,168,367 | $970,753,355 | -$20,991,311 | $29.29 | 188 |
| 2025 Q3 | 33,578,261 | $1,128,241,586 | +$51,896,128 | $33.58 | 184 |
| 2025 Q2 | 32,594,338 | $495,167,111 | +$31,308,024 | $15.19 | 162 |
| 2025 Q1 | 30,870,224 | $372,937,868 | -$38,123,941 | $12.08 | 172 |
| 2024 Q4 | 31,818,622 | $747,184,485 | -$36,263,264 | $23.48 | 176 |
| 2024 Q3 | 32,379,110 | $1,227,496,721 | -$19,506,810 | $37.94 | 180 |
| 2024 Q2 | 32,883,731 | $951,179,817 | +$52,255,741 | $28.81 | 182 |
| 2024 Q1 | 31,447,732 | $758,060,120 | -$12,958,533 | $24.13 | 177 |
| 2023 Q4 | 32,069,637 | $1,015,431,596 | -$45,110,023 | $31.67 | 176 |
| 2023 Q3 | 33,378,145 | $1,285,384,679 | -$2,213,378 | $38.56 | 186 |
| 2023 Q2 | 33,049,458 | $1,607,197,415 | +$73,729,061 | $48.63 | 197 |
| 2023 Q1 | 31,475,327 | $1,544,339,598 | +$18,827,966 | $49.22 | 203 |
| 2022 Q4 | 30,819,958 | $1,762,065,476 | +$6,681,122 | $57.14 | 212 |
| 2022 Q3 | 30,552,867 | $2,029,445,661 | -$4,607,606 | $66.48 | 210 |
| 2022 Q2 | 30,690,156 | $1,394,967,127 | +$63,650,146 | $45.56 | 203 |
| 2022 Q1 | 29,026,816 | $2,310,696,635 | +$165,539,459 | $79.50 | 194 |
| 2021 Q4 | 26,834,159 | $2,183,667,088 | +$35,403,958 | $81.44 | 209 |
| 2021 Q3 | 26,635,083 | $1,556,286,092 | +$47,037,026 | $58.43 | 188 |
| 2021 Q2 | 25,820,272 | $1,621,710,890 | +$57,021,305 | $62.72 | 184 |
| 2021 Q1 | 25,090,420 | $1,218,569,980 | +$191,804,660 | $48.63 | 198 |
| 2020 Q4 | 20,729,091 | $1,082,858,555 | +$36,597,757 | $52.24 | 194 |
| 2020 Q3 | 19,205,214 | $641,442,542 | +$2,471,241 | $33.40 | 144 |
| 2020 Q2 | 19,164,440 | $532,362,006 | +$25,962,492 | $27.78 | 120 |