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AMRC

Ameresco, Inc.
$23.75 -1.19 (-4.77%) At close · Jul 13
Market Cap
$1.26B
Shares
52,951,417

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.

The Jun 30, 2026 filing window is still open — showing the latest known positions. Funds that have not filed yet carry their prior-quarter positions; a fund that filed without this stock counts as sold out.
Holders: 185
Total Value: $851,134,854
Total Shares: 33,306,403
Showing 1–100 of 190 holdings by value · page 1 of 2

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 186 13F filers
Top Holder
10.6%
Jun 2023 → Mar 2026 · range 10.6% – 13.9%
of institutional value
Top 5
33.1%
Jun 2023 → Mar 2026 · range 33.1% – 41.9%
of institutional value
Top 10
49.9%
Jun 2023 → Mar 2026 · range 49.9% – 57.4%
of institutional value
HHI
366
Jun 2023 → Mar 2026 · range 366 – 503
Broadly held
Showing 100 of 190
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega WELLINGTON MANAGEMENT GROUP LLP $90,310,212 10.61% 3,541,577
Mega BlackRock, Inc. $62,648,168 7.36% 2,456,791
Large Grantham, Mayo, Van Otterloo & Co. LLC $56,855,667 6.68% 2,229,634
Mega DIMENSIONAL FUND ADVISORS LP $36,711,558 4.31% 1,439,669
Mega VANGUARD CAPITAL MANAGEMENT LLC $34,651,924 4.07% 1,358,899
Mega STATE STREET CORP $33,902,581 3.98% 1,329,513
Mega D. E. Shaw & Co., Inc. $32,435,209 3.81% 1,271,969
Mid ROYCE & ASSOCIATES LP $31,872,654 3.74% 1,249,908
Large Handelsbanken Fonder AB $23,680,220 2.78% 857,979
Large DNB Asset Management AS $23,008,293 2.70% 902,286
Large VANGUARD PORTFOLIO MANAGEMENT LLC $21,569,659 2.53% 845,869
Small GAGNON SECURITIES LLC Broker-Dealer $21,421,606 2.52% 840,063
Mega GEODE CAPITAL MANAGEMENT, LLC $20,217,751 2.38% 792,853
Mega MORGAN STANLEY $17,100,860 2.01% 670,622
Large Swedbank AB Bank $16,447,500 1.93% 645,000
Mid Granahan Investment Management, LLC $16,066,861 1.89% 630,073
Large First Eagle Investment Management, LLC $14,161,016 1.66% 555,334
Mega Legal & General Group Plc $14,004,854 1.65% 549,210
Mega AMERICAN CENTURY COMPANIES INC $13,416,927 1.58% 526,154
Mega ROYAL BANK OF CANADA Bank $12,855,773 1.51% 504,148
Small Bandera Partners LLC $12,145,879 1.43% 476,309
Small Gagnon Advisors, LLC $12,056,349 1.42% 472,798
Small Redwood Grove Capital, LLC $11,972,887 1.41% 469,525
Mega UBS Group AG $10,662,314 1.25% 418,130
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $9,488,550 1.11% 372,100
Mega Invesco Ltd. $8,595,360 1.01% 337,073
Large SILVERCREST ASSET MANAGEMENT GROUP LLC $7,925,400 0.93% 310,800
Mid EXCHANGE TRADED CONCEPTS, LLC $7,913,925 0.93% 310,350
Mega NORTHERN TRUST CORP Bank $6,941,533 0.82% 272,217
Mega GOLDMAN SACHS GROUP INC $6,614,827 0.78% 259,405
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $6,441,096 0.76% 252,592
Mega MILLENNIUM MANAGEMENT LLC $6,434,670 0.76% 252,340
Large Balyasny Asset Management L.P. $5,801,377 0.68% 227,505
Large Empowered Funds, LLC $5,753,514 0.68% 225,628
Large TUDOR INVESTMENT CORP ET AL $5,488,722 0.64% 215,244
Mega CITADEL ADVISORS LLC $5,440,068 0.64% 213,336
Large Russell Investments Group, Ltd. $5,388,302 0.63% 211,306
Small Rock Point Advisors, LLC $5,383,942 0.63% 211,135
Mega VANGUARD FIDUCIARY TRUST CO Bank $5,135,878 0.60% 201,407
Mid Guinness Asset Management LTD $4,766,766 0.56% 186,932
Large DekaBank Deutsche Girozentrale Bank $4,715,842 0.55% 184,935
Mega FIRST TRUST ADVISORS LP $4,437,255 0.52% 174,010
Mega BNP PARIBAS ARBITRAGE, SA $3,880,309 0.46% 152,169
Large Baird Financial Group, Inc. $3,838,285 0.45% 150,521
Large Erste Asset Management GmbH $3,733,047 0.44% 146,394
Small HUSSMAN STRATEGIC ADVISORS, INC. $3,213,000 0.38% 126,000
Mid CONNORS INVESTOR SERVICES INC $3,202,953 0.38% 125,606
Mega BANK OF AMERICA CORP /DE/ Bank $3,198,745 0.38% 125,441
Large PANAGORA ASSET MANAGEMENT INC $3,190,407 0.37% 125,114
Mid SEGALL BRYANT & HAMILL, LLC $3,089,172 0.36% 121,144
Mega Bank of New York Mellon Corp Bank $2,968,607 0.35% 116,416
Large Qube Research & Technologies Ltd $2,745,508 0.32% 107,667
Large KBC Group NV $2,496,577 0.29% 97,905
Mega CITADEL ADVISORS LLC $2,404,650 0.28% 94,300
Large MARSHALL WACE, LLP $2,222,988 0.26% 87,176
Mid Penn Capital Management Company, LLC $2,066,545 0.24% 81,041
Mega Nuveen, LLC $2,033,165 0.24% 79,732
Mega JANE STREET GROUP, LLC $1,826,335 0.21% 71,621
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,795,200 0.21% 70,400
Small Clean Yield Group $1,694,755 0.20% 66,461
Mega Swiss National Bank Bank $1,660,050 0.20% 65,100
Mega Amundi $1,504,653 0.18% 59,006
Mid HARBOR CAPITAL ADVISORS, INC. $1,442,917 0.17% 56,585
Mega JPMORGAN CHASE & CO $1,431,925 0.17% 56,154
Large Universal- Beteiligungs- und Servicegesellschaft mbH $1,348,338 0.16% 52,876
Large Trexquant Investment LP $1,282,930 0.15% 50,311
Large ALPS ADVISORS INC $1,251,693 0.15% 49,086
Large STOREBRAND ASSET MANAGEMENT AS $1,248,709 0.15% 48,969
Mega RHUMBLINE ADVISERS $1,216,656 0.14% 47,712
Mega WELLS FARGO & COMPANY/MN $1,159,586 0.14% 45,474
Large STATE OF WISCONSIN INVESTMENT BOARD $1,125,723 0.13% 44,146
Large JUPITER ASSET MANAGEMENT LTD $1,050,166 0.12% 41,183
Mega PRICE T ROWE ASSOCIATES INC /MD/ $1,032,852 0.12% 40,504
Mid ALGERT GLOBAL LLC $987,870 0.12% 38,740
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $962,293 0.11% 37,737
Mega ALLIANCEBERNSTEIN L.P. $952,170 0.11% 37,340
Mid GSA CAPITAL PARTNERS LLP $908,590 0.11% 35,631
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $869,753 0.10% 34,108
Large CAPITAL FUND MANAGEMENT S.A. $865,393 0.10% 33,937
Small Counterpoint Mutual Funds LLC Mutual Fund $786,904 0.09% 30,859
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $762,603 0.09% 29,906
Mega CITIGROUP INC $757,936 0.09% 29,723
Mid DARK FOREST CAPITAL MANAGEMENT LP $723,919 0.09% 28,389
Mega DEUTSCHE BANK AG\ Bank $722,134 0.08% 28,319
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $721,777 0.08% 28,305
Large Janney Montgomery Scott LLC $703,137 0.08% 27,574
Mega TWO SIGMA INVESTMENTS, LP $684,751 0.08% 26,853
Large FULLER & THALER ASSET MANAGEMENT, INC. $684,445 0.08% 26,841
Mega HSBC HOLDINGS PLC $651,219 0.08% 25,538
Small CoreCommodity Management, LLC $625,311 0.07% 24,522
Mega FRANKLIN RESOURCES INC $599,912 0.07% 23,526
Large Zurcher Kantonalbank (Zurich Cantonalbank) Bank $592,518 0.07% 23,236
Mega JANE STREET GROUP, LLC $589,050 0.07% 23,100
Micro Kuhn & Co Investment Counsel $577,575 0.07% 22,650
Small IRONWOOD INVESTMENT MANAGEMENT LLC $571,302 0.07% 22,404
Large Cambridge Investment Research Advisors, Inc. $547,383 0.06% 21,466
Mega VANGUARD ASSET MANAGEMENT, Ltd $507,858 0.06% 19,916
Large Allspring Global Investments Holdings, LLC $496,230 0.06% 19,460
Large MetLife Investment Management, LLC $472,132 0.06% 18,515
Large Squarepoint Ops LLC $443,853 0.05% 17,406
Key facts CIK 1488139 CUSIP 02361E108 13F (30d) 25 filings 6 filers Visit website Investor relations

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