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Ameresco Inc (AMRC)

CUSIP: 02361E108 | NYSE | Industrials · Engineering & Construction | Small Cap | 719 institutional holders

Quarters

Q3 2026Q2 2026Q1 2026Q4 2025Q3 2025
CompareDetailedHistoricalFundsOptions13D/13GPeersTargetingTrading SummaryProfile

Beneficial Ownership — 13D / 13G

Full history →

5%+ stakes reported outside the quarterly cycle. A 13D is due within five business days of the event below, so these figures lead the holders table until the filer's next 13F catches up to them.

HolderShares% of ClassChangeEvent Datevs 13F
13G/AMillennium Management LLC29,6860.1%−1,786,483Sep 30, 2026No 13F filer matched
13GNeil Gagnon
with Gagnon Securities LLC, Gagnon Advisors, LLC
1,762,8665.0%New 5%+ stakeAug 20, 2026No 13F filer matched
13G/AMillennium Management LLC29,686
0.1% of class · Sep 30, 2026−1,786,483
No 13F filer matched
13GNeil Gagnon1,762,866
5.0% of class · Aug 20, 2026New 5%+ stake
with Gagnon Securities LLC, Gagnon Advisors, LLC
No 13F filer matched

Institutional Holders — Q3 2026

Dimensional Fund Advisors LP1,815,018
0.0% of portfolio›$37.6M
Gagnon Securities LLC896,427
3.2% of portfolio›$18.6M
Swedbank AB815,500
0.0% of portfolio›$16.9M
Raiffeisen Bank International AG320,000
0.1% of portfolio›$6.7M
Guinness Asset Management LTD201,110
0.1% of portfolio›$4.2M
Candriam S.C.A.142,925
0.0% of portfolio›$3.0M
Bank of New York Mellon Corp118,572
0.0% of portfolio›$2.5M
Clean Yield Group69,364
0.3% of portfolio›$1.4M
Exchange Traded Concepts, LLC64,676
0.0% of portfolio›$1.3M
KBC Group NV54,746
0.0% of portfolio›$1.1M
Alps Advisors Inc48,027
0.0% of portfolio›$994.6K
Bailard, Inc.43,849
0.0% of portfolio›$908.1K
Daiwa Securities Group Inc.30,200
0.0% of portfolio›$625.4K
Inspire Investing, LLC30,157
0.0% of portfolio›$624.6K
Eagle Harbor Asset Management Inc24,831
0.4% of portfolio›$514.3K
Creative Planning23,731
0.0% of portfolio›$491.5K
Citigroup Inc23,343
0.0% of portfolio›$483.4K
Kuhn & Co Investment Counsel22,650
0.3% of portfolio›$469.1K
Allspring Global Investments Holdings, LLC20,868
0.0% of portfolio›$438.2K
Vanguard Capital Wealth Advisors18,800
0.3% of portfolio›$389.3K
Wealth Enhancement Advisory Services, LLC18,738
0.0% of portfolio›$105.9K
Imc-Chicago, LLC17,124
0.0% of portfolio›$354.6K
Cambridge Investment Research Advisors, Inc.15,234
0.0% of portfolio›$315.0K
NorthCrest Asset Manangement, LLC13,697
0.0% of portfolio›$287.8K
DekaBank Deutsche Girozentrale12,109
0.0% of portfolio›$250.0K
Guinness Atkinson Asset Management Inc11,395
0.1% of portfolio›$236.0K
Fulcrum Asset Management LLP6,672
0.0% of portfolio›$140.3K
US Bancorp \de\4,345
0.0% of portfolio›$90.0K
Gamma Investing LLC1,765
0.0% of portfolio›$36.6K
Fifth Third Bancorp1,675
0.0% of portfolio›$34.7K
Centerpoint Advisors, LLC1,400
0.0% of portfolio›$29.0K
Farther Finance Advisors, LLC1,263
0.0% of portfolio›$26.2K
Nisa Investment Advisors, LLC1,175
0.0% of portfolio›$24.3K
SBI Securities Co., Ltd.881
0.0% of portfolio›$18.2K
Sterling Capital Management LLC639
0.0% of portfolio›$13.2K
Fortitude Family Office, LLC551
0.0% of portfolio›$11.4K
Versant Capital Management, Inc531
0.0% of portfolio›$11.0K
Caitong International Asset Management Co., Ltd422
0.0% of portfolio›$8.7K
Trust Co of Vermont365
0.0% of portfolio›$7.6K
EverSource Wealth Advisors, LLC242
0.0% of portfolio›$5.0K
Parallel Advisors, LLC208
0.0% of portfolio›$4.3K
Flagship Wealth Advisors, LLC200
0.0% of portfolio›$4.1K
Parkside Financial Bank & Trust189
0.0% of portfolio›$3.9K
IFP Advisors, Inc168
0.0% of portfolio›$3.5K
Signaturefd, LLC114
0.0% of portfolio›$2.4K
Physician Wealth Advisors, Inc.73
0.0% of portfolio›$1.5K
SJS Investment Consulting Inc.39
0.0% of portfolio›$808
Ascentis Independent Advisors25
0.0% of portfolio›$517
Root Financial Partners, LLC23
0.0% of portfolio›$476
Ascentis Wealth Management, LLC22
0.0% of portfolio›$455
Hughes Financial Services, LLC20
0.0% of portfolio›$420
True Wealth Design, LLC15
0.0% of portfolio›$311
Provenance Wealth Advisors, LLC14
0.0% of portfolio›$290
Essential Partners LLC8
0.0% of portfolio›$166
StyleTurnoverLocationFiled
Dimensional Fund Advisors LP
1,815,018$37.6M0.0%IndexLowAustin, TX2026-11-04
Gagnon Securities LLC
896,427$18.6M3.2%ValueMediumNew York, NY2026-11-05
Swedbank AB
815,500$16.9M0.0%GrowthLowStockholm, Sweden2026-10-27
Raiffeisen Bank International AG
320,000$6.7M0.1%GrowthMediumVienna, Chile2026-10-28
Guinness Asset Management LTD
201,110$4.2M0.1%CoreLowLondon, United Kingdom2026-11-05
Candriam S.C.A.
142,925$3.0M0.0%GrowthMediumStrassen, Netherlands2026-11-03
Bank of New York Mellon Corp
118,572$2.5M0.0%CoreLowNew York, NY2026-11-05
Clean Yield Group
69,364$1.4M0.3%CoreLowNorwich, VT2026-10-28
Exchange Traded Concepts, LLC
64,676$1.3M0.0%GrowthMediumOklahoma City, OK2026-10-28
KBC Group NV
54,746$1.1M0.0%CoreMediumBrussels, Czech Republic2026-10-22
Alps Advisors Inc
48,027$994.6K0.0%YieldLowDenver, CO2026-11-03
Bailard, Inc.
43,849$908.1K0.0%GrowthMediumFoster City, CA2026-10-13
Daiwa Securities Group Inc.
30,200$625.4K0.0%GrowthMediumChiyoda-Ku,Tokyo, Mexico2026-10-29
Inspire Investing, LLC
30,157$624.6K0.0%GARPHighMeridian, ID2026-10-22
Eagle Harbor Asset Management Inc
24,831$514.3K0.4%GARPLowSeattle, WA2026-10-21
Creative Planning
23,731$491.5K0.0%IndexVery LowOverland Park, KS2026-11-02
Citigroup Inc
23,343$483.4K0.0%CoreMediumNew York, NY2026-11-04
Kuhn & Co Investment Counsel
22,650$469.1K0.3%CoreLowChicago, IL2026-10-29
Allspring Global Investments Holdings, LLC
20,868$438.2K0.0%CoreMediumCharlotte, NC2026-11-04
Vanguard Capital Wealth Advisors
18,800$389.3K0.3%GrowthMediumDenver, CO2026-10-16
Wealth Enhancement Advisory Services, LLC
18,738$105.9K0.0%CoreLowPlymouth, MN2026-10-13
Imc-Chicago, LLC
17,124$354.6K0.0%GARPVery HighChicago, IL2026-11-05
Cambridge Investment Research Advisors, Inc.
15,234$315.0K0.0%ETFLowFairfield, IA2026-11-02
NorthCrest Asset Manangement, LLC
13,697$287.8K0.0%GrowthLowPlymouth, MN2026-10-13
DekaBank Deutsche Girozentrale
12,109$250.0K0.0%CoreLowFrankfurt, Hong Kong2026-10-27
Guinness Atkinson Asset Management Inc
11,395$236.0K0.1%GrowthMediumPasadena, CA2026-11-05
Fulcrum Asset Management LLP
6,672$140.3K0.0%CoreMediumLondon, United Kingdom2026-11-04
US Bancorp \de\
4,345$90.0K0.0%IndexLowMinneapolis, MN2026-11-05
Gamma Investing LLC
1,765$36.6K0.0%IndexVery LowFoster City, CA2026-10-08
Fifth Third Bancorp
1,675$34.7K0.0%IndexVery LowCincinnati, OH2026-11-05
Centerpoint Advisors, LLC
1,400$29.0K0.0%ETFVery LowNeedham, MA2026-11-05
Farther Finance Advisors, LLC
1,263$26.2K0.0%IndexLowSan Francisco, CA2026-10-08
Nisa Investment Advisors, LLC
1,175$24.3K0.0%IndexVery LowSt. Louis, MO2026-10-20
SBI Securities Co., Ltd.
881$18.2K0.0%Agg GrowthLowTokyo, Mexico2026-10-22
Sterling Capital Management LLC
639$13.2K0.0%GARPMediumCharlotte, NC2026-10-22
Fortitude Family Office, LLC
551$11.4K0.0%ETFMediumScottsdale, AZ2026-10-14
Versant Capital Management, Inc
531$11.0K0.0%GARPLowPhoenix, AZ2026-10-02
Caitong International Asset Management Co., Ltd
422$8.7K0.0%GrowthVery HighHong Kong, South Korea2026-10-29
Trust Co of Vermont
365$7.6K0.0%CoreVery LowBrattleboro, VT2026-10-21
EverSource Wealth Advisors, LLC
242$5.0K0.0%CoreMediumBirmingham, AL2026-11-04
Parallel Advisors, LLC
208$4.3K0.0%IndexLowSan Francisco, CA2026-11-03
Flagship Wealth Advisors, LLC
200$4.1K0.0%ETFLowWakefield, MA2026-11-03
Parkside Financial Bank & Trust
189$3.9K0.0%CoreVery LowSaint Louis, MO2026-10-27
IFP Advisors, Inc
168$3.5K0.0%GrowthLowTampa, FL2026-10-16
Signaturefd, LLC
114$2.4K0.0%IndexLowAtlanta, GA2026-10-23
Physician Wealth Advisors, Inc.
73$1.5K0.0%ETFMediumMidvale, UT2026-10-20
SJS Investment Consulting Inc.
39$8080.0%ETFVery LowSylvania, OH2026-10-26
Ascentis Independent Advisors
25$5170.0%ETFLowDallas, TX2026-11-03
Root Financial Partners, LLC
23$4760.0%ETFMediumEncinitas, CA2026-10-21
Ascentis Wealth Management, LLC
22$4550.0%Agg GrowthLowDallas, TX2026-11-03
Hughes Financial Services, LLC
20$4200.0%ETFLowHerndon, VA2026-10-30
True Wealth Design, LLC
15$3110.0%ETFMediumAkron, OH2026-10-13
Provenance Wealth Advisors, LLC
14$2900.0%ETFLowFort Lauderdale, FL2026-10-30
Essential Partners LLC
8$1660.0%ValueMediumRancho Santa Fe, CA2026-10-14