Ameresco, Inc.
AMRC- Exchange
- NYSE
- Industry
- Construction - Special Trade Contractors
- SEC CIK
- 0001488139
In the last 90 days, Ameresco, Inc. insiders filed 8 open-market purchases and 2 sales; 187 institutions reported holding it in 13F filings for Q2 2026, worth $979.7M in total; no superinvestor holds it.
Holders of 5% or more of AMRC
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Ameresco, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Sakellaris George P | 13G/A | 39.50%20.7M shares | – | Jan 31, 20251 filing | Jan 31, 2025 | SEC |
| Wellington Management Group LLP | 13G/A | 13.60%4.74M shares | +2.50 ppfrom 11.10% | Aug 12, 20253 filings | Nov 12, 2025 | SEC |
| Grantham, Mayo, Van Otterloo & Co. LLC | 13G/A | 9.23%3.20M shares | – | Nov 5, 20251 filing | Nov 5, 2025 | SEC |
| Vanguard Group Inc | 13G/A | 7.64%2.64M shares | – | Apr 30, 20251 filing | Apr 30, 2025 | SEC |
| Gagnon Neil | 13G | 5.00%1.74M shares | New | Mar 10, 20251 filing | Mar 10, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
13 Schedule 13D and 13G filings on Ameresco, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 13.60%4.74M shares | +2.50 ppfrom 11.10% | Sep 30, 2025 | SEC |
| Nov 5, 20251:42 PM ET | Grantham, Mayo, Van Otterloo & Co. LLC | 13G/A | 9.23%3.20M shares | – | Sep 30, 2025 | SEC |
| Oct 31, 202510:30 AM ET | First Trust Portfolios LPand 2 others | 13G/A | 0.78%270.1K shares | −4.63 ppfrom 5.41%Below 5% | Sep 30, 2025 | SEC |
| Oct 24, 20254:02 PM ET | Gagnon Securities LLCand 2 others | 13G/A | 4.90%1.72M shares | –Below 5% | Sep 30, 2025 | SEC |
| Sep 8, 202510:09 AM ET | Wellington Management Group LLPand 3 others | 13G/A | 11.10%3.85M shares | +6.00 ppfrom 5.10% | Aug 29, 2025 | SEC |
| Aug 12, 202510:34 AM ET | Wellington Management Group LLPand 2 others | 13G | 5.10%1.75M shares | New | Jun 30, 2025 | SEC |
| Jul 16, 202511:44 AM ET | First Trust Portfolios LPand 2 others | 13G | 5.41%1.87M shares | New | Jun 30, 2025 | SEC |
| May 15, 20256:10 AM ET | Macquarie Group Ltdand 2 others | 13G/A | 0.00%93 shares | −5.36 ppfrom 5.36%Below 5% | Mar 31, 2025 | SEC |
| Apr 30, 202510:56 AM ET | Vanguard Group Inc | 13G/A | 7.64%2.64M shares | – | Mar 31, 2025 | SEC |
| Mar 10, 20256:26 PM ET | Gagnon Neiland 2 others | 13G | 5.00%1.74M shares | New | Mar 3, 2025 | SEC |
| Feb 7, 20258:29 AM ET | Macquarie Group Ltdand 2 others | 13G | 5.36%1.85M shares | New | Dec 31, 2024 | SEC |
| Jan 31, 20254:25 PM ET | Sakellaris George P | 13G/A | 39.50%20.7M shares | – | Dec 31, 2024 | SEC |
| Nov 13, 20246:54 AM ET | Handelsbanken Fonder AB | 13G/A | 4.90%1.68M shares | –Below 5% | Sep 30, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Ameresco, Inc. shares.
No Form 144 notices for Ameresco, Inc. are on file.