Millennium Management's near-complete exit from Ameresco is a bearish signal from a sophisticated multi-strategy fund. Monitor for further institutional selling and any negative catalysts that may have prompted the exit.
Price Chart
Executive Summary
Millennium Management LLC filed an amended Schedule 13G disclosing a passive stake of 29,686 shares (0.1%) in Ameresco, Inc. as of September 30, 2026. This represents a massive reduction from the prior filing (July 22, 2026) where Millennium held an undisclosed larger position, signaling a near-complete exit by the hedge fund.
Key Financial Metrics
Key Facts
- Millennium Management LLC disclosed beneficial ownership of 29,686 shares of Ameresco Class A Common Stock, representing 0.1% of shares outstanding.
- The filing is an amendment to a prior Schedule 13G filed July 22, 2026, indicating a significant reduction in stake.
- The filing is dated as of September 30, 2026, and was filed on October 13, 2026.
- Millennium Management LLC, Millennium Group Management LLC, and Israel A. Englander are the reporting persons, filing jointly.
- The filing certifies the securities were not acquired or held for the purpose of changing or influencing control of the issuer.
Financial Impact
Millennium Management reduced its stake in Ameresco from a previously undisclosed larger position to just 29,686 shares (0.1%), representing a near-total exit.
Risk Factors
- Loss of a major institutional holder could pressure the stock.
- Millennium's exit may signal concerns about Ameresco's near-term prospects or valuation.
- Further institutional selling may follow.
Investment Themes
Documents Analyzed
This report is based on 4 SEC documents filed with EDGAR.
| Document | Accession Number |
|---|---|
| SC 13G/A Filing (Primary) | 0001104659-26-115542 |
| Document: 0001104659-26-115542-index-headers.html | 0001104659-26-115542 |
| Document: 0001104659-26-115542-index.html | 0001104659-26-115542 |
| Document: 0001104659-26-115542.txt | 0001104659-26-115542 |
Filters
| Type | Now | ||||
|---|---|---|---|---|---|
Oct 13, 2026 13d ago | SC 13G/A | $20.11 $20.09 | ▲ +0.10% | ▲ +0.38% | $18.32 (+8.90%) |
Oct 8, 2026 18d ago | SC 13G | $21.01 $21.33 | ▲ +1.52% | ▲ +0.92% | $18.32 (−12.80%) |
Sep 10, 2026 6w ago | 8-K | $23.78 $22.68 | ▼ −4.63% | ▼ −4.18% | $18.32 (−22.96%) |
Sep 3, 2026 7w ago | GOVT-CONTRACT | $23.15 $23.93 | ▲ +3.37% | ▲ +3.92% | $18.32 (−20.86%) |
Sep 1, 2026 7w ago | Insider Cluster | $22.60 $21.82 | ▼ −3.45% | ▼ −3.90% | $18.32 (−18.94%) |
Aug 27, 2026 8w ago | Insider Cluster | $21.99 $22.12 | ▲ +0.59% | ▲ +0.89% | $18.32 (−16.69%) |
Aug 26, 2026 8w ago | Insider Cluster | $22.91 $21.99 | ▼ −4.02% | ▼ −3.79% | $18.32 (−20.03%) |
Aug 25, 2026 8w ago | Institutional Cluster | $22.07 $22.16 | ▲ +0.41% | ▲ +0.39% | $18.32 (−16.99%) |
Aug 25, 2026 9w ago | GOVT-CONTRACT | $22.16 $22.91 | ▲ +3.38% | ▲ +2.73% | $18.32 (−17.33%) |
Aug 11, 2026 10w ago | Insider Cluster | $27.61 $27.79 | ▲ +0.65% | ▼ −0.05% | $18.32 (−33.65%) |
US Market Status
Subscribe to SecBot
Get Real-Time SEC Filing Intelligence
Comprehensive SEC filing analysis delivered the moment filings hit EDGAR. Sentiment scoring, impact analysis, and actionable insights for every material event.
Create a free account Live analysis, Telegram alerts, watchlists and the MCP server for subscribers