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Of the 10 tracked institutions holding AMRC, 4 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +2.8pt. It's a gauge of who owns the name, not just how many.
Among the 10 tracked institutional investors we monitor, AMRC (AMERESCO INC) is held with a combined value of $382.06M across 13,695,026 shares. The largest holder is WELLINGTON MANAGEMENT GROUP LLP with a position worth $93.14M (0.02% of their portfolio). 5 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$382.06M
Total Shares Held
13,695,026
Institutional Holders
10
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | $93.14M | 0.02% | -4.7% |
| 2 | BlackRock, Inc. | $73.18M | 0.00% | +7.9% |
| 3 | VANGUARD GROUP INC | $70.73M | 0.00% | +0.1% |
| 4 | Grantham, Mayo, Van Otterloo & Co. LLC | $56.05M | 0.13% | -8.9% |
| 5 | STATE STREET CORP | $44.19M | 0.00% | +20.4% |
| 6 | MILLENNIUM MANAGEMENT LLC | $41.05M | 0.03% | +489.4% |
| 7 | CITADEL ADVISORS LLC | $1.81M | 0.00% | -69.2% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $1.33M | 0.00% | +18.7% |
| 9 | AQR CAPITAL MANAGEMENT LLC | $323.94K | 0.00% | -25.3% |
| 10 | FMR LLC | $248.69K | 0.00% | -0.4% |
As of the latest SEC 13F filings, WELLINGTON MANAGEMENT GROUP LLP is the largest institutional holder of AMRC with a position worth $93.14M, representing 0.02% of their portfolio. In total, 10 institutional investors hold AMRC with a combined value of $382.06M.
Institutional investors hold $382.06M worth of AMRC stock across 10 positions. The largest institutional holder is WELLINGTON MANAGEMENT GROUP LLP with $93.14M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AMRC, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AMRC positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-10-08 |
| 2.9% | 2026-08-27 |
SEC Schedule 13D (activist) and 13G (passive) filings for AMRC. Filed when an investor acquires 5%+ ownership.
Last Close
$19.84
2026-10-21
YTD
-35.3%
5% of 52-week range
