Ameresco, Inc. (AMRC) ownership: Top institutional holder: WELLINGTON MANAGEMENT GROUP LLP ($90.31M). Insider activity: Net Seller (0 buys, 20 sells). 10 recent congressional STOCK Act disclosures. SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| WELLINGTON MANAGEMENT GROUP LLP | 3541577.00 | $90.31M | 2026-03-31 |
| VANGUARD GROUP INC | 2414838.00 | $70.73M | 2025-12-31 |
| BlackRock, Inc. | 2456791.00 | $62.65M | 2026-03-31 |
| Grantham, Mayo, Van Otterloo & Co. LLC | 2229634.00 | $56.86M | 2026-03-31 |
| DIMENSIONAL FUND ADVISORS LP | 1439669.00 | $36.71M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 1358899.00 | $34.65M | 2026-03-31 |
| STATE STREET CORP | 1329513.00 | $33.90M | 2026-03-31 |
| D. E. Shaw & Co., Inc. | 1271969.00 | $32.44M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 | |
| Sell | null | 2026-06-04 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.