Institutional Ownership
Ameresco Inc
CUSIP 02361E108CL AAMRCQ1 2026
Institutional Holders
186
13F filers
Shares Held
33.11M
Aggregate institutional
Institutional Value
$809.32M
Q1 2026
Net New Holders
-3
31 new · 34 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions31
Increased66
Decreased50
Sold out34
Institutional Holders
186 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Wellington Management Group LLP | 3.54M | $90.31M | −359.8K | Reduced |
| 2 | Blackrock, Inc. | 2.46M | $62.65M | −10.0K | Reduced |
| 3 | Grantham, Mayo, Van Otterloo & Co. LLC | 2.23M | $56.86M | −94.2K | Reduced |
| 4 | Dimensional Fund Advisors LP | 1.44M | $36.71M | +167.1K | Added |
| 5 | Vanguard Capital Management LLC | 1.36M | $34.65M | +1.36M | First Filing |
| 6 | State Street Corp | 1.33M | $33.90M | +5.0K | Added |
| 7 | D. E. Shaw & Co., Inc. | 1.27M | $32.44M | −5.2K | Reduced |
| 8 | Royce & Associates LP | 1.25M | $31.87M | +183.1K | Added |
| 9 | Dnb Asset Management As | 902.3K | $23.01M | +117.2K | Added |
| 10 | Vanguard Portfolio Management LLC | 845.9K | $21.57M | +845.9K | First Filing |
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