Ameresco, Inc. (AMRC)

As of 14 August 2026, short interest in AMRC is 4,506,688 shares, up 291,297 shares over the last month. Over the last 48 readings it ranged from 2,563,395 shares (31 March 2025) to 4,506,688 shares (14 August 2026). The latest reading sits at the top of that range. At the reported average volume of 841K shares a day that is 5.4 days to cover, elevated.

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As of 11 September 2026, the short share of AMRC volume is 83.6%, up 14.8 points over the last five sessions. Over the last 52 readings it ranged from 43.2% (4 August 2026) to 85.0% (22 July 2026). The latest reading sits at the top of that range. The latest reading is 18.2 points above the 30-session average of 65.4%, on 207K shares reported.

As of 14 August 2026, the fails-to-deliver balance in AMRC is 174 shares, up 79 shares over the last settlement date. Over the last 49 readings it ranged from 2 shares (21 April 2026) to 223,050 shares (1 April 2026). The latest reading sits at the bottom of that range.

Insiders at AMRC reported 13 open-market buys worth $1.9M in the last 90 days and no open-market sells. Clustered voluntary buying is historically the stronger insider signal because insiders buy for one reason. Latest filing: Sakellaris George P (Chief Executive Officer) on 2026-08-28.

Form 4 filings are due within two business days of the trade. Insiders sell for many reasons that say nothing about the company; open-market buys are the rarer, stronger signal.

3 holders above 5% have filed on AMRC, all on Schedule 13G (passive). The largest reported stake is Millennium Management LLC at 5.2% of the class (1,816,169 shares), filed 2026-07-22 for an event on 2026-07-17.

4 of the 30 tracked managers held AMRC at their latest 13F, $82.5M in total at quarter-end prices. Millennium Management is the largest at $41.0M (0.0% of its portfolio) as of 2026-06-30. Over the prior quarter 1 added shares and 3 cut.

Only the 30 tracked managers on the funds hub; a 13F reports long positions in US listed stock at quarter end, 45 days late, and says nothing about shorts or positions sold since.

In Q2 2026 (quarter ended 2026-06-30) Ameresco, Inc. reported revenue of $515.5M, up 9.1% from the same quarter a year earlier, and net income of $9.7M (0.18 diluted EPS). In FY 2024 it generated $117.6M of operating cash flow.

Quarterly, last 8 quarters

Fiscal years, with buybacks and dividends

Quarters are the three-month figures the company reports; a fourth quarter marked derived is the fiscal year less the three reported quarters, since companies report it only inside the 10-K. Fiscal years are the annual figures. Buybacks are cash paid to repurchase common stock in the year (XBRL PaymentsForRepurchaseOfCommonStock), not authorizations. Balance sheet lines are as of 2026-06-30.

12 contract actions on file for AMRC: $216.6M obligated in the last 90 days and $216.6M in the last 12 months across 3 awarding agencies. The largest was $47.8M from the Department of Veterans Affairs on 2026-09-03 (eo14042 - veterans integrated service network (visn) 7 energy savings performance contract (espc)). Only actions large enough to reach the daily top list are counted, and agencies report with a lag.