AMRC

Ameresco, Inc.

Company with tickers: AMRC

CIK
1488139
CUSIP
02361E108
Shares Outstanding
34,951,417
13F Activity (30d)
162 filings 160 filers
Holders: 186
Total Value: $849,758,163
Total Shares: 33,323,852
Showing 1–100 of 191 holdings by value · page 1 of 2

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 186 13F filers · Δ vs Dec 31, 2025
Top Holder
10.6%
Jun 2023 → Mar 2026 · range 10.6% – 14.0%
−1.1 pts
Top 5
33.1%
Jun 2023 → Mar 2026 · range 33.1% – 41.9%
−4.1 pts
Top 10
49.9%
Jun 2023 → Mar 2026 · range 49.9% – 57.5%
−3.9 pts
HHI
366
Jun 2023 → Mar 2026 · range 366 – 504
Broadly held −54

Quarterly Activity

vs Dec 31, 2025
New
38
Increased
66
Decreased
50
Sold Out
39
Unchanged
32
Holder count: -1
Institutional value: -13.1%
Shares held: -0.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
100 of 100 shown
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Holder Value (USD) % of 13F Shares Open
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