# AMERESCO INC CL A

AMERESCO INC CL A is a security (CUSIP 02361E108) tracked across SEC portfolio filings. 194 institutional managers reported $888.6M on Form 13F as of 2026-06-30; 22 registered fund positions totaling $39.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: AMERESCO INC
- Class: CL A
- CUSIP: 02361E108
- Asset category: EC
- 13F holders: 194
- 13F value: $888.6M
- 13F period: 2026-06-30
- N-PORT fund positions: 22
- N-PORT value: $39.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 194 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $90.3M | 3,541,577 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $70.7M | 2,414,838 |
| BlackRock, Inc. | New York, NY | $62.6M | 2,456,791 |
| Grantham, Mayo, Van Otterloo & Co. LLC | Boston, MA | $56.9M | 2,229,634 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $36.7M | 1,439,669 |
| [VANGUARD CAPITAL MANAGEMENT LLC](https://search.stillhousedata.com/firm/338002) | MALVERN, PA | $34.7M | 1,358,899 |
| STATE STREET CORP | BOSTON, MA | $33.9M | 1,329,513 |
| D. E. Shaw & Co., Inc. | New York, NY | $32.4M | 1,271,969 |
| [ROYCE & ASSOCIATES LP](https://search.stillhousedata.com/firm/107689) | New York, NY | $31.9M | 1,249,908 |
| DnB Asset Management AS | Oslo, Q8 | $23.0M | 902,286 |
| [GAGNON SECURITIES LLC](https://search.stillhousedata.com/firm/103727) | New York, NY | $22.8M | 826,562 |
| [VANGUARD PORTFOLIO MANAGEMENT LLC](https://search.stillhousedata.com/firm/338003) | MALVERN, PA | $21.6M | 845,869 |
| [First Eagle Investment Management, LLC](https://search.stillhousedata.com/firm/108260) | NEW YORK, NY | $20.7M | 749,081 |
| [GEODE CAPITAL MANAGEMENT, LLC](https://search.stillhousedata.com/firm/115504) | BOSTON, MA | $20.2M | 792,853 |
| Swedbank AB | STOCKHOLM, V7 | $19.8M | 718,000 |

## Top fund holders (N-PORT)

_Showing 15 of 22 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $8.8M | 1.08% |
| [VANGUARD RUSSELL 2000 INDEX FUND](https://search.stillhousedata.com/fund/S000030003) | VANGUARD SCOTTSDALE FUNDS | $5.9M | 3.39% |
| ROYCE SMALL-CAP TRUST, INC. | ROYCE SMALL-CAP TRUST, INC. | $5.7M | 25.77% |
| [HARTFORD SMALL COMPANY HLS FUND](https://search.stillhousedata.com/fund/S000003220) | HARTFORD SERIES FUND INC | $5.7M | 146.21% |
| ROYCE MICRO-CAP TRUST, INC. | ROYCE MICRO-CAP TRUST, INC. | $4.9M | 71.22% |
| [U.S. MICRO CAP PORTFOLIO](https://search.stillhousedata.com/fund/S000000948) | DFA INVESTMENT DIMENSIONS GROUP INC | $3.6M | 4.85% |
| [TIFF MULTI-ASSET FUND](https://search.stillhousedata.com/fund/S000006387) | TIFF Investment Program | $1.5M | 10.67% |
| [Master Small Cap Index Series](https://search.stillhousedata.com/fund/S000002716) | Quantitative Master Series LLC | $1.4M | 2.84% |
| [VANGUARD U.S. MOMENTUM FACTOR ETF](https://search.stillhousedata.com/fund/S000061302) | VANGUARD WELLINGTON FUND | $1.2M | 6.34% |
| [New Alternatives Fund](https://search.stillhousedata.com/fund/S000004915) | New Alternatives Fund | $765K | 26.28% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $451K | 0.08% |
| [VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002855) | VANGUARD INSTITUTIONAL INDEX FUNDS | $363K | 0.12% |
| [Embark Small Cap Equity Fund](https://search.stillhousedata.com/fund/S000083503) | Harbor Funds II | $224K | 3.91% |
| [Delaware Strategic Allocation Fund](https://search.stillhousedata.com/fund/S000004196) | Delaware Group Foundation Funds | $153K | 8.63% |
| [DWS Small Cap Index VIP](https://search.stillhousedata.com/fund/S000006223) | DEUTSCHE DWS INVESTMENTS VIT FUNDS | $114K | 2.73% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/02361e108.md)
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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.