Ameresco, Inc. (AMRC) Institutional Ownership

Ownership Summary

Ameresco, Inc. (NYSE:AMRC) showed up in the 13F filings of 179 institutional investors as of December 2025.

• These investors held 63.1% of outstanding shares in December 2025, down from 63.2% in September 2025.
• They increased total shares held in AMRC by 2.09% quarter over quarter, and investors in Ameresco increased 0.56% from a year ago.
• Of these 179 funds, 90 grew their exposure to Ameresco, 54 cut back, and 35 maintained positions.
• In total, institutional investors held 33.68Mn shares in Ameresco as of December 2025, up by 690.01K shares quarter on quarter, and up 1.2Mn shares year over year.
• As of December 31, 2025, the biggest holder of Ameresco is WELLINGTON MANAGEMENT GROUP LLP at 3.54Mn shares, representing 6.64% of shares outstanding.
• The largest buyers of Ameresco for the quarter ending December 2025 were First Eagle Investment Management, LLC (536.0K), EXCHANGE TRADED CONCEPTS, LLC (310.35K), BALYASNY ASSET MANAGEMENT L.P. (227.5K), ROYCE & ASSOCIATES LP (183.12K), CITADEL ADVISORS LLC (172.27K).
• The largest sellers of Ameresco for the quarter ending December 2025 were FIRST TRUST ADVISORS LP (892.56K), WELLINGTON MANAGEMENT GROUP LLP (359.76K), Granahan Investment Management, LLC (217.93K), Trexquant Investment LP (138.21K), Invesco Ltd. (135.88K).
• Business Quant data shows the 10 biggest positions in Ameresco as of December 2025 are held by WELLINGTON MANAGEMENT GROUP LLP (3.54Mn), BlackRock, Inc. (2.46Mn), Grantham, Mayo, Van Otterloo & Co. LLC (2.23Mn), DIMENSIONAL FUND ADVISORS LP (1.44Mn), State Street Corp (1.33Mn), D. E. Shaw & Co., Inc. (1.27Mn), ROYCE & ASSOCIATES LP (1.25Mn), First Eagle Investment Management, LLC (1.11Mn), DnB Asset Management AS (902.29K), GAGNON SECURITIES LLC (840.06K).