Ameresco, Inc. (AMRC)
NYSE: AMRC · Construction - Special Trade Contractors · Framingham, MA · filing with the SEC since 2010
Grade6.6
◀ Past 7.1● Present 6.7▶ Future 5.6
Who owns Ameresco, Inc.
As filed with the SECHolders of 5% or more
6
Sakellaris George P holds 39.5% of Class A Common Stock, as its SCHEDULE 13G/A filed Jan 31, 2025 says.
Directors and officers
14
report now, of 23 people on the record since 2010. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 6 named at left.
Holders of 5% or moreshare of the class, as filed
Sakellaris George P
SCHEDULE 13G/A · filed Jan 31, 2025 · Class A Common Stock
Wellington Management Group LLP
SCHEDULE 13G/A · filed May 15, 2026 · Common Stock · 11.2% in Feb 10, 2026
Grantham, Mayo, Van Otterloo & Co. LLC
SCHEDULE 13G/A · filed Feb 10, 2026 · Common Stock · 9.23% in Nov 5, 2025
Dimensional Fund Advisors LP
SCHEDULE 13G · filed Oct 8, 2026 · Common Stock
Neil Gagnon
SCHEDULE 13G · filed Aug 27, 2026 · Class A Common Stock · 4.9% in Oct 24, 2025
Neil Gagnon
SCHEDULE 13G · filed Mar 10, 2025 · Class A Common Stock
Handelsbanken Fonder AB
SCHEDULE 13G/A · filed Nov 13, 2024 · Class A Common stock · reported falling below 5%
First Trust Portfolios L.P.
SCHEDULE 13G/A · filed Oct 31, 2025 · Common · reported falling below 5%, from 5.41% in Jul 16, 2025
Millennium Management LLC
SCHEDULE 13G/A · filed Oct 13, 2026 · Class A Common Stock, par value $0.0001 per share · reported falling below 5%, from 5.2% in Jul 22, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%, from 7.64% in Apr 30, 2025
Macquarie Group Limited
SCHEDULE 13G/A · filed May 15, 2025 · Common Shares · reported falling below 5%, from 5.36% in Feb 7, 2025
What AMRC reports owning in othersstakes of 5% or more, and other ties
700 subsidiaries in 9 countries, from the list filed with the 10-K filed Mar 3, 2026.
Insider tradesForm 4
24sales
13purchases
22sales on a scheduled plan
6people selling
$3.3Msold, in dollars
$1.9Mbought, in dollars
Open-market trades on Form 4 from Sep 30, 2025 to Sep 30, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Sep 30, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window9 of 24 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Chiplock Mark | EVP, CFO & CAO | 10 | $1.8M | 10 | 0 | $0 |
| Stavropoulos Nickolas | director | 6 | $600,000 | 6 | 0 | $0 |
| Wisneski Francis V Jr | director | 2 | $500,000 | 0 | 0 | $0 |
| Miller Jennifer L | director | 2 | $300,000 | 2 | 1 | $0 |
| Sakellaris George P | Chief Executive Officer | 0 | $0 | 0 | 9 | $600,000 |
| Cox Brian C | director | 0 | $0 | 0 | 2 | $1.1M |
| Sutton Joseph W. | director | 0 | $0 | 0 | 1 | $200,000 |
| Maltezos Louis P | Co-President | 2 | $0 | 2 | 0 | $0 |
| Corrsin David J | EVP and General Counsel | 2 | $0 | 2 | 0 | $0 |