AMERESCO, INC.

PublicCIK: 1488139
AMRCNYSE
Location

FRAMINGHAM, MA

13F Filings

Institutional Holders

AMERESCO, INC.AMRC— Latest position per institution from SEC 13F filings

15

Institutional holders

29.43M

Total shares held

740.83M

Estimated value

1.47M

Avg. position size

1

WELLINGTON MANAGEMENT GROUP LLP

CIK 902219

Shares

3.37M

Value

93.14M

Filed

Jun 30, 2026

2

BLACKROCK, INC.

CIK 2012383

Shares

2.65M

Value

73.18M

Filed

Jun 30, 2026

3

VANGUARD GROUP INC

CIK 102909

Shares

2.41M

Value

70.73M

Filed

Dec 31, 2025

4

BLACKROCK FINANCE, INC.

CIK 1364742

Shares

2.40M

Value

69.12M

Filed

Jun 30, 2024

5

GRANTHAM, MAYO, VAN OTTERLOO & CO. LLC

CIK 1352662

Shares

2.03M

Value

56.05M

Filed

Jun 30, 2026

6

DIMENSIONAL FUND ADVISORS LP

CIK 354204

Shares

1.60M

Value

44.19M

Filed

Jun 30, 2026

7

STATE STREET CORP

CIK 93751

Shares

1.60M

Value

44.19M

Filed

Jun 30, 2026

8

MILLENNIUM MANAGEMENT LLC

CIK 1273087

Shares

1.49M

Value

41.05M

Filed

Jun 30, 2026

9

VANGUARD CAPITAL MANAGEMENT LLC

CIK 2100119

Shares

1.43M

Value

39.49M

Filed

Jun 30, 2026

10

D. E. SHAW & CO., INC.

CIK 1009207

Shares

1.26M

Value

34.73M

Filed

Jun 30, 2026

11

STEPHENS INVESTMENT MANAGEMENT GROUP LLC

CIK 1314440

Shares

1.07M

Value

25.10M

Filed

Dec 31, 2024

12

DNB ASSET MANAGEMENT AS

CIK 1456670

Shares

1.03M

Value

28.30M

Filed

Jun 30, 2026

13

CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM

CIK 1081019

Shares

1.02M

Value

36.97K

Filed

Jun 30, 2026

14

ROYCE & ASSOCIATES LP

CIK 906304

Shares

998.18K

Value

27.55M

Filed

Jun 30, 2026

15

VANGUARD PORTFOLIO MANAGEMENT LLC

CIK 2100121

Shares

914.16K

Value

25.23M

Filed

Jun 30, 2026

16

GEODE CAPITAL MANAGEMENT, LLC

CIK 1214717

Shares

862.85K

Value

23.82M

Filed

Jun 30, 2026

17

HANDELSBANKEN FONDER AB

CIK 1398318

Shares

857.98K

Value

23.68K

Filed

Jun 30, 2026

18

GAGNON SECURITIES LLC

CIK 1125725

Shares

826.56K

Value

22.81M

Filed

Jun 30, 2026

19

LORD, ABBETT & CO. LLC

CIK 728100

Shares

811.23K

Value

46.35K

Filed

Dec 31, 2022

20

AMERICAN CENTURY COMPANIES INC

CIK 748054

Shares

798.12K

Value

22.03M

Filed

Jun 30, 2026

Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.