Ameresco AMRC Institutional Ownership

NYSE AMRC

$23.80 +1.00 (+4.39%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

185 Institutions

Increased 103 55.7%

Unchanged 25 13.5%

Reduced 57 30.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

66.44%

▲+7.18 pp QoQ

Shares Held by Institutions

35.03Mn

of 52.72Mn outstanding

▲+14.72% QoQ

Shares Outstanding

52.72Mn

17.69Mn held outside 13F filers

Institutional Investors

185

filed 13F for Jun 2026

▲+4 vs prior quarter

Net Shares Added (QoQ)

+4.49Mn

accumulated since last quarter

Value of Holdings

$833.62Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Ameresco, Inc. (NYSE:AMRC) appears in 185 institutional 13F filings for the quarter ending June 2026.

They owned 66.4% of outstanding stock in June 2026, up from 59.3% the prior quarter.
They increased total shares held in Ameresco by 14.72% from last quarter, and the number of investors in AMRC increased 12.12% annually.
Among the 185 funds, 103 bought more Ameresco shares, 57 sold down, and 25 held their ground.
Institutional investors collectively held 35.03Mn shares in Ameresco as of June 2026, up by 4.49Mn shares quarter on quarter, and up 1.52Mn shares year over year.
WELLINGTON MANAGEMENT GROUP LLP leads ownership in AMRC with 3.37Mn shares as of June 30, 2026, equal to 6.4% of outstanding shares.
The biggest buyers of Ameresco for the quarter ending June 2026 included VANGUARD CAPITAL MANAGEMENT LLC (1.43Mn), MILLENNIUM MANAGEMENT LLC (1.23Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (914.16K), MACKENZIE FINANCIAL CORP (371.05K), JCP Investment Management, LLC (339.0K).
The largest sales of AMRC for the quarter ending June 2026 came from Granahan Investment Management, LLC (606.45K), First Eagle Investment Management, LLC (361.59K), ROYCE & ASSOCIATES LP (251.72K), BRIDGEWAY CAPITAL MANAGEMENT, LLC (210.86K), Grantham, Mayo, Van Otterloo & Co. LLC (198.68K).
Per Business Quant, the top 10 investors in AMRC for the quarter ending June 2026 include WELLINGTON MANAGEMENT GROUP LLP (3.37Mn), BlackRock, Inc. (2.65Mn), Grantham, Mayo, Van Otterloo & Co. LLC (2.03Mn), DIMENSIONAL FUND ADVISORS LP (1.6Mn), State Street Corp (1.6Mn), MILLENNIUM MANAGEMENT LLC (1.49Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.43Mn), D. E. Shaw & Co., Inc. (1.26Mn), DnB Asset Management AS (1.03Mn), ROYCE & ASSOCIATES LP (998.18K).

Form 13F Holdings

185 Institutional Holders

Report period 30 Jun, 2026

Total shares held 35.03Mn

Of outstanding 66.44%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,374,767	6.40%	▼166,810	-4.71%	$93.14Mn
2	BlackRock, Inc.	0002012383	2,651,574	5.03%	▲194,783	+7.93%	$73.18Mn
3	Grantham, Mayo, Van Otterloo & Co. LLC	0001352662	2,030,950	3.85%	▼198,684	-8.91%	$56.05Mn
4	DIMENSIONAL FUND ADVISORS LP	0000354204	1,601,338	3.04%	▲161,669	+11.23%	$44.19Mn
5	State Street Corp	0000093751	1,601,127	3.04%	▲271,614	+20.43%	$44.19Mn
6	MILLENNIUM MANAGEMENT LLC	0001273087	1,487,282	2.82%	▲1,234,942	+489.40%	$41.05Mn
7	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,430,762	2.71%	▲1,430,762	0.00%	$39.49Mn
8	D. E. Shaw & Co., Inc.	0001009207	1,258,266	2.39%	▼13,703	-1.08%	$34.73Mn
9	DnB Asset Management AS	0001456670	1,025,498	1.95%	▲123,212	+13.66%	$28.30Mn
10	ROYCE & ASSOCIATES LP	0000906304	998,183	1.89%	▼251,725	-20.14%	$27.55Mn
11	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	914,162	1.73%	▲914,162	0.00%	$25.23Mn
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	862,848	1.64%	▲69,995	+8.83%	$23.82Mn
13	Handelsbanken Fonder AB	0001398318	857,979	1.63%	▲42,826	+5.25%	$23.68K
14	GAGNON SECURITIES LLC	0001125725	826,562	1.57%	▼13,501	-1.61%	$22.81Mn
15	AMERICAN CENTURY COMPANIES INC	0000748054	798,121	1.51%	▲271,967	+51.69%	$22.03Mn
16	Legal & General Group Plc	0000764068	796,268	1.51%	▲247,058	+44.98%	$21.98Mn
17	First Eagle Investment Management, LLC	0001325447	749,081	1.42%	▼361,587	-32.56%	$20.67Mn
18	UBS Group AG	0001610520	726,028	1.38%	▲307,898	+73.64%	$20.04Mn
19	Swedbank AB	0000946431	718,000	1.36%	▲73,000	+11.32%	$19.82Mn
20	Morgan Stanley	0000895421	648,022	1.23%	▼22,600	-3.37%	$17.89Mn

Showing 1 to 20 of 185 holders