Quick Takeaways
- WELLINGTON MANAGEMENT GROUP LLP filed SCHEDULE 13G/A for Ameresco, Inc. Common Stock (AMRC).
- Disclosed ownership: 11%.
- Date of event: 31 Dec 2025.
WELLINGTON MANAGEMENT GROUP LLP - 31 Dec 2025 SCHEDULE 13G/A Report for Ameresco, Inc. Common Stock (AMRC)
- Filing Manager
- WELLINGTON MANAGEMENT GROUP LLP
- Reporting Manager
- Wellington Management Group LLP
- Security
- Ameresco, Inc. Common Stock
- Symbol
- AMRC
- Shares outstanding
- 34,833,330 shares
- Disclosed Ownership
- 3,901,333 shares
- Ownership
- 11%
- Form type
- SCHEDULE 13G/A
- Filing time
- 10 Feb 2026, 11:23:20 UTC
- Date of event
- 31 Dec 2025
- Previous filing
- 12 Nov 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"WELLINGTON MANAGEMENT GROUP LLP disclosed 11% ownership in Ameresco, Inc. Common Stock (AMRC) on 31 Dec 2025."
What Changed
- Previous schedule filing date: 12 Nov 2025.
- Current filing was accepted on 10 Feb 2026, 11:23.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Official SEC Source
Backed by Schedule 13D/13G
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
See Original FilingReporting Managers (4)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 11% | 3,901,333 | 0 | 2,957,163 | Taisia Lowe | Regulatory Analyst | |
| Wellington Group Holdings LLP | 11% | 3,901,333 | 0 | 2,957,163 | Taisia Lowe | Regulatory Analyst | |
| Wellington Investment Advisors Holdings LLP | 11% | 3,901,333 | 0 | 2,957,163 | Taisia Lowe | Regulatory Analyst | |
| Wellington Management Company LLP | 10% | 3,901,333 | 0 | 2,867,657 | Taisia Lowe | Regulatory Analyst |