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Equibles

AMRC

Ameresco, Inc.

Company with tickers: AMRC

CIK
1488139
CUSIP
02361E108
Shares Outstanding
34,951,417
Investor Relations
https://ir.ameresco.com/
13F Activity (30d)
89 filings 69 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 148
Total Value: $396,828,667
Total Shares: 15,561,910
Showing 1–100 of 150 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 148 13F filers · Δ vs Dec 31, 2025
Top Holder
8.7%
Sep 2023 → Mar 2026 · range 8.7% – 14.0%
−0.4 pts
Top 5
36.6%
Sep 2023 → Mar 2026 · range 36.6% – 42.0%
+0.1 pts
Top 10
56.8%
Sep 2023 → Mar 2026 · range 53.5% – 57.6%
+0.2 pts
HHI
420
Sep 2023 → Mar 2026 · range 420 – 505
Broadly held−9

Quarterly Activity

vs Dec 31, 2025
New
36
Increased
46
Decreased
36
Sold Out
41
Unchanged
30
Holder count: -5
Institutional value: -19.4%
Shares held: -7.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large Swedbank AB +275,000 645,000
Mega AMERICAN CENTURY COMPANIES INC +130,979 526,154
Large DNB Asset Management AS +117,243 902,286
Large PANAGORA ASSET MANAGEMENT INC +88,963 125,114
Mega Legal & General Group Plc +81,648 549,210

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega FIRST TRUST ADVISORS LP −892,561 174,010
Mid Granahan Investment Management, LLC −217,934 630,073
Large Trexquant Investment LP −138,209 50,311
Large SG Americas Securities, LLC −127,805 14,215
Large Squarepoint Ops LLC −55,129 17,406

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,358,899 $34,651,924
Small GAGNON SECURITIES LLC 840,063 $21,421,606
Mid EXCHANGE TRADED CONCEPTS, LLC 310,350 $7,913,925
Large Empowered Funds, LLC 225,628 $5,753,514
Mega VANGUARD FIDUCIARY TRUST CO 201,407 $5,135,878

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large Grantham, Mayo, Van Otterloo & Co. LLC 2,323,792 $68,063,867
Large Handelsbanken Fonder AB 650,836 $19,062,986
Small Bandera Partners LLC 526,769 $15,429,064
Mega UBS Group AG 397,386 $11,639,435
Mid CASTLEARK MANAGEMENT LLC 73,710 $2,158,965
Filter: New 36 Increased 46 Reduced 36 Sold out 41 Unchanged 30
Showing 100 of 150
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega VANGUARD CAPITAL MANAGEMENT LLC $34,651,924 8.73% 1,358,899
Mega STATE STREET CORP $33,902,581 8.54% 1,329,513
Mega D. E. Shaw & Co., Inc. $32,435,209 8.17% 1,271,969
Large DNB Asset Management AS $23,008,293 5.80% 902,286
Small GAGNON SECURITIES LLC Broker-Dealer $21,421,606 5.40% 840,063
Mega GEODE CAPITAL MANAGEMENT, LLC $20,217,751 5.09% 792,853
Large Swedbank AB Bank $16,447,500 4.14% 645,000
Mid Granahan Investment Management, LLC $16,066,861 4.05% 630,073
Mega Legal & General Group Plc $14,004,854 3.53% 549,210
Mega AMERICAN CENTURY COMPANIES INC $13,416,927 3.38% 526,154
Small Gagnon Advisors, LLC $12,056,349 3.04% 472,798
Small Redwood Grove Capital, LLC $11,972,887 3.02% 469,525
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $9,488,550 2.39% 372,100
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $7,925,400 2.00% 310,800
Mid EXCHANGE TRADED CONCEPTS, LLC $7,913,925 1.99% 310,350
Mega NORTHERN TRUST CORP Bank $6,941,533 1.75% 272,217
Large Empowered Funds, LLC $5,753,514 1.45% 225,628
Large TUDOR INVESTMENT CORP ET AL $5,488,722 1.38% 215,244
Large Russell Investments Group, Ltd. $5,388,302 1.36% 211,306
Small Rock Point Advisors, LLC $5,383,942 1.36% 211,135
Mega VANGUARD FIDUCIARY TRUST CO Bank $5,135,878 1.29% 201,407
Mid Guinness Asset Management LTD $4,766,766 1.20% 186,932
Large DekaBank Deutsche Girozentrale Bank $4,715,842 1.19% 184,935
Mega FIRST TRUST ADVISORS LP $4,437,255 1.12% 174,010
Mega BNP PARIBAS ARBITRAGE, SA $3,880,309 0.98% 152,169
Large Baird Financial Group, Inc. $3,838,285 0.97% 150,521
Large Erste Asset Management GmbH $3,733,047 0.94% 146,394
Small HUSSMAN STRATEGIC ADVISORS, INC. $3,213,000 0.81% 126,000
Small CONNORS INVESTOR SERVICES INC $3,202,953 0.81% 125,606
Large PANAGORA ASSET MANAGEMENT INC $3,190,407 0.80% 125,114
Mid SEGALL BRYANT & HAMILL, LLC $3,089,172 0.78% 121,144
Large KBC Group NV $2,496,577 0.63% 97,905
Large MARSHALL WACE, LLP $2,222,988 0.56% 87,176
Mid Penn Capital Management Company, LLC $2,066,545 0.52% 81,041
Mega Nuveen, LLC $2,033,165 0.51% 79,732
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,795,200 0.45% 70,400
Small Clean Yield Group $1,694,755 0.43% 66,461
Mega Swiss National Bank Bank $1,660,050 0.42% 65,100
Mid HARBOR CAPITAL ADVISORS, INC. $1,442,917 0.36% 56,585
Large Universal- Beteiligungs- und Servicegesellschaft mbH $1,348,338 0.34% 52,876
Large Trexquant Investment LP $1,282,930 0.32% 50,311
Large STOREBRAND ASSET MANAGEMENT AS $1,248,709 0.31% 48,969
Mega RHUMBLINE ADVISERS $1,216,656 0.31% 47,712
Large JUPITER ASSET MANAGEMENT LTD $1,050,166 0.26% 41,183
Mid ALGERT GLOBAL LLC $987,870 0.25% 38,740
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $962,293 0.24% 37,737
Mid GSA CAPITAL PARTNERS LLP $908,590 0.23% 35,631
Small MOODY NATIONAL BANK TRUST DIVISION Bank $904,255 0.23% 35,461
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $869,753 0.22% 34,108
Large CAPITAL FUND MANAGEMENT S.A. $865,393 0.22% 33,937
Small Counterpoint Mutual Funds LLC Mutual Fund $786,904 0.20% 30,859
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $762,603 0.19% 29,906
Mid SteelPeak Wealth, LLC $760,308 0.19% 29,816
Mega CITIGROUP INC $757,936 0.19% 29,723
Mid DARK FOREST CAPITAL MANAGEMENT LP $723,919 0.18% 28,389
Mega DEUTSCHE BANK AG\ Bank $722,134 0.18% 28,319
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $721,777 0.18% 28,305
Large Janney Montgomery Scott LLC $703,137 0.18% 27,574
Mega TWO SIGMA INVESTMENTS, LP $684,751 0.17% 26,853
Mega HSBC HOLDINGS PLC $651,219 0.16% 25,538
Small CoreCommodity Management, LLC $625,311 0.16% 24,522
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $592,518 0.15% 23,236
Micro Kuhn & Co Investment Counsel $577,575 0.15% 22,650
Small IRONWOOD INVESTMENT MANAGEMENT LLC $571,302 0.14% 22,404
Large Cambridge Investment Research Advisors, Inc. $547,383 0.14% 21,466
Mega VANGUARD ASSET MANAGEMENT, Ltd $507,858 0.13% 19,916
Large MetLife Investment Management, LLC $472,132 0.12% 18,515
Large Squarepoint Ops LLC $443,853 0.11% 17,406
Mega Vanguard Global Advisers, LLC $442,119 0.11% 17,338
Large ACADIAN ASSET MANAGEMENT LLC $423,045 0.11% 16,590
Large Quantinno Capital Management LP $416,874 0.11% 16,348
Mid Brooklyn Investment Group $410,830 0.10% 16,111
Large WEALTH ENHANCEMENT ADVISORY SERVICES, LLC $383,137 0.10% 15,025
Small EntryPoint Capital, LLC $380,256 0.10% 14,912
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $372,300 0.09% 14,600
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $368,781 0.09% 14,462
Large SG Americas Securities, LLC Broker-Dealer $362,482 0.09% 14,215
Large CAPTRUST FINANCIAL ADVISORS $352,818 0.09% 13,836
Large Gallagher Fiduciary Advisors, LLC $351,211 0.09% 13,773
Mid Atria Investments, Inc $350,778 0.09% 13,756
Mid Jump Financial, LLC $342,490 0.09% 13,431
Large STIFEL FINANCIAL CORP $330,072 0.08% 12,944
Small Guinness Atkinson Asset Management Inc $325,584 0.08% 12,768
Mid NorthCrest Asset Manangement, LLC $324,385 0.08% 12,721
Mid Quantbot Technologies LP $316,174 0.08% 12,399
Mid INTECH INVESTMENT MANAGEMENT LLC $314,695 0.08% 12,341
Large Creative Planning $310,488 0.08% 12,176
Small FourThought Financial Partners, LLC $290,215 0.07% 11,381
Mid Brevan Howard Capital Management LP $264,562 0.07% 10,375
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $244,060 0.06% 9,571
Small Cetera Trust Company, N.A Bank $237,532 0.06% 9,315
Mid Advisors Asset Management, Inc. $234,702 0.06% 9,204
Large STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM Pension $234,217 0.06% 9,185
Large ARIZONA STATE RETIREMENT SYSTEM Pension $231,667 0.06% 9,085
Mid TIAA-CREF INDIVIDUAL & INSTITUTIONAL SERVICES, LLC $224,502 0.06% 8,804
Mid BAILARD, INC. $221,850 0.06% 8,700
Small Dynamic Technology Lab Private Ltd $218,637 0.06% 8,574
Mid Entropy Technologies, LP $216,240 0.05% 8,480
Large Police & Firemen's Retirement System of New Jersey Pension $215,679 0.05% 8,458
Large Vanguard Investments Australia, Ltd. $188,496 0.05% 7,392

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