Ameresco, Inc. - Common Stock (AMRC) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
AMRC on NYSE
Shares outstanding
34,820,478
Price per share
$29.29
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
33,578,218
Total reported value
$1,128,240,142
% of total 13F portfolios
0%
Share change
+1,068,766
Value change
+$51,895,490
Number of holders
182
Price from insider filings
$29.29
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Ameresco, Inc. - Common Stock (AMRC) based on Schedule 13D/G filings

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 14% +23% $159,020,944 +$29,714,438 4,735,585 +23% Wellington Management Group LLP 30 Sep 2025
Grantham, Mayo, Van Otterloo & Co. LLC 9.2% $107,569,937 3,203,393 Grantham, Mayo, Van Otterloo & Co. LLC 30 Sep 2025
VANGUARD GROUP INC 7.6% $26,562,716 2,640,429 The Vanguard Group 31 Mar 2025
Gagnon Neil 5% $17,486,222 1,738,193 Neil Gagnon 03 Mar 2025
GAGNON SECURITIES LLC 4.9% $57,668,412 1,717,344 Neil Gagnon 30 Sep 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 Sep 2025, 182 institutional investors reported holding 33,578,218 shares of Ameresco, Inc. - Common Stock (AMRC). This represents 96% of the company’s total 34,820,478 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Ameresco, Inc. - Common Stock (AMRC) together control 80% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
WELLINGTON MANAGEMENT GROUP LLP 14% 4,735,585 +170% 0.03% $159,020,944
Grantham, Mayo, Van Otterloo & Co. LLC 9.2% 3,203,393 -17% 0.3% $107,569,937
BlackRock, Inc. 6.9% 2,419,163 -0.8% 0% $81,235,493
VANGUARD GROUP INC 6.9% 2,412,360 -3.5% 0% $81,007,048
STATE STREET CORP 4.2% 1,461,716 -0.63% 0% $49,084,423
DIMENSIONAL FUND ADVISORS LP 3.6% 1,238,322 +0.44% 0.01% $41,583,723
D. E. Shaw & Co., Inc. 3.3% 1,154,241 +28% 0.03% $38,759,412
DNB ASSET MANAGEMENT AS 3% 1,034,594 -13% 0.13% $34,741,667
ROYCE & ASSOCIATES LP 2.8% 964,010 +198% 0.32% $32,371,456
Granahan Investment Management, LLC 2.6% 890,072 +108% 1.2% $29,888,618
ROYAL BANK OF CANADA 2.5% 885,338 +2.4% 0.01% $29,730,000
GAGNON SECURITIES LLC 2.5% 859,409 -1.2% 5.8% $28,858,954
GEODE CAPITAL MANAGEMENT, LLC 2.2% 774,089 -1.9% 0% $25,997,442
First Eagle Investment Management, LLC 2.1% 720,372 -4.4% 0.04% $24,190,092
Redwood Grove Capital, LLC 1.8% 619,625 -8.9% 6% $20,807,008
Handelsbanken Fonder AB 1.7% 605,330 +92% 0.06% $20,327,000
Invesco Ltd. 1.7% 575,173 +55% 0% $19,314,310
Bandera Partners LLC 1.5% 526,769 0% 7.8% $17,688,903
MORGAN STANLEY 1.5% 524,657 +0.93% 0% $17,617,982
Gagnon Advisors, LLC 1.4% 472,798 0% 9.8% $15,876,557
UBS Group AG 1.3% 449,053 +53% 0% $15,079,199
Legal & General Group Plc 1.2% 423,730 -38% 0% $14,228,853
SILVERCREST ASSET MANAGEMENT GROUP LLC 0.99% 344,840 -13% 0.08% $11,579,727
NORTHERN TRUST CORP 0.83% 289,187 +0.72% 0% $9,710,900
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.77% 268,357 +5.4% 0.19% $9,011,428

Institutional Holders of Ameresco, Inc. - Common Stock (AMRC) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 312,571 $9,173,560 +$3,186,233 $29.29 19
2025 Q3 33,578,218 $1,128,240,142 +$51,895,490 $33.58 182
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
2020 Q1 18,296,995 $311,552,145 +$35,814,637 $17.03 104
2019 Q4 16,161,439 $282,942,690 +$17,483,400 $17.50 96
2019 Q3 15,087,624 $242,408,037 +$12,159,955 $16.07 94
2019 Q2 14,337,568 $211,164,869 +$5,222,870 $14.73 88
2019 Q1 13,972,041 $225,830,505 +$4,099,678 $16.18 94
2018 Q4 13,747,128 $193,825,545 +$14,196,371 $14.10 93
2018 Q3 12,657,171 $172,734,943 +$2,572,549 $13.65 86
2018 Q2 12,567,187 $150,793,016 +$8,965,682 $12.00 85
2018 Q1 11,816,167 $153,607,176 +$1,309,918 $13.00 80
2017 Q4 11,755,600 $101,102,318 +$2,638,626 $8.60 76
2017 Q3 11,484,002 $89,572,279 +$2,742,464 $7.80 73
2017 Q2 11,133,264 $85,669,191 +$6,047,141 $7.70 74
2017 Q1 10,362,270 $67,865,414 -$458,605 $6.55 67
2016 Q4 11,661,899 $64,122,280 -$1,482,199 $5.50 72
2016 Q3 11,866,859 $62,415,067 +$2,034,869 $5.26 65
2016 Q2 12,130,976 $53,009,155 -$4,541,030 $4.37 75
2016 Q1 12,863,110 $61,334,114 +$3,314,873 $4.77 69
2015 Q4 11,987,286 $74,846,944 +$1,629,780 $6.25 77
2015 Q3 11,896,118 $69,987,690 -$616,534 $5.88 66
2015 Q2 11,890,495 $90,961,357 -$3,964,559 $7.65 71
2015 Q1 12,389,853 $91,624,792 -$326,254 $7.40 77
2014 Q4 12,264,694 $85,819,347 +$4,236,403 $7.00 72
2014 Q3 11,810,644 $80,892,629 +$621,495 $6.85 73
2014 Q2 11,703,797 $82,370,157 +$4,657,279 $7.03 71
2014 Q1 10,690,072 $80,803,513 +$7,802 $7.56 70