Ameresco AMRC Institutional Ownership

NYSE AMRC

$21.38 -0.81 (-3.65%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

180 Institutions

Increased 101 56.1%

Unchanged 29 16.1%

Reduced 50 27.8%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

59.03%

▼-5.10 pp QoQ

Shares Held by Institutions

31.22Mn

of 52.89Mn outstanding

▲+3.83% QoQ

Shares Outstanding

52.89Mn

21.67Mn held outside 13F filers

Institutional Investors

180

filed 13F for Mar 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+1.15Mn

accumulated since last quarter

Value of Holdings

$795.81Mn

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 31 Mar, 2026

Ameresco, Inc. (NYSE:AMRC) appears in 180 institutional 13F filings for the quarter ending March 2026.

These investors held 59.0% of outstanding shares in March 2026, down from 64.1% in December 2025.
They increased total shares held in AMRC by 3.83% quarter over quarter, and investors in Ameresco increased 0.56% from a year ago.
During the quarter, 101 of these 180 funds increased positions in AMRC, 50 reduced exposure, and 29 held steady.
Altogether, these fund groups held 31.22Mn shares in AMRC by March 2026, up by 1.15Mn shares quarter on quarter, and down 1.42Mn shares year over year.
WELLINGTON MANAGEMENT GROUP LLP holds the largest position in AMRC at 3.54Mn shares as of March 31, 2026, or 6.7% of shares outstanding.
The most significant purchases of AMRC for the quarter ending March 2026 came from First Eagle Investment Management, LLC (536.0K), EXCHANGE TRADED CONCEPTS, LLC (310.35K), BALYASNY ASSET MANAGEMENT L.P. (227.5K), ROYCE & ASSOCIATES LP (183.12K), CITADEL ADVISORS LLC (172.27K).
The largest sellers of Ameresco for the quarter ending March 2026 were FIRST TRUST ADVISORS LP (892.56K), WELLINGTON MANAGEMENT GROUP LLP (359.76K), Granahan Investment Management, LLC (217.93K), Trexquant Investment LP (138.21K), Invesco Ltd. (135.88K).
Per Business Quant, the top 10 investors in AMRC for the quarter ending March 2026 include WELLINGTON MANAGEMENT GROUP LLP (3.54Mn), BlackRock, Inc. (2.46Mn), Grantham, Mayo, Van Otterloo & Co. LLC (2.23Mn), DIMENSIONAL FUND ADVISORS LP (1.44Mn), State Street Corp (1.33Mn), D. E. Shaw & Co., Inc. (1.27Mn), ROYCE & ASSOCIATES LP (1.25Mn), First Eagle Investment Management, LLC (1.11Mn), DnB Asset Management AS (902.29K), GAGNON SECURITIES LLC (840.06K).

Form 13F Holdings

180 Institutional Holders

Report period 31 Mar, 2026

Total shares held 31.22Mn

Of outstanding 59.03%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,541,577	6.70%	▼359,756	-9.22%	$90.31Mn
2	BlackRock, Inc.	0002012383	2,456,791	4.65%	▼9,973	-0.40%	$62.65Mn
3	Grantham, Mayo, Van Otterloo & Co. LLC	0001352662	2,229,634	4.22%	▼94,158	-4.05%	$56.86Mn
4	DIMENSIONAL FUND ADVISORS LP	0000354204	1,439,669	2.72%	▲167,068	+13.13%	$36.71Mn
5	State Street Corp	0000093751	1,329,513	2.51%	▲5,019	+0.38%	$33.90Mn
6	D. E. Shaw & Co., Inc.	0001009207	1,271,969	2.41%	▼5,208	-0.41%	$32.44Mn
7	ROYCE & ASSOCIATES LP	0000906304	1,249,908	2.36%	▲183,116	+17.17%	$31.87Mn
8	First Eagle Investment Management, LLC	0001325447	1,110,668	2.10%	▲535,995	+93.27%	$28.32Mn
9	DnB Asset Management AS	0001456670	902,286	1.71%	▲117,243	+14.93%	$23.01Mn
10	GAGNON SECURITIES LLC	0001125725	840,063	1.59%	▲7,179	+0.86%	$21.42Mn
11	Handelsbanken Fonder AB	0001398318	815,153	1.54%	▲164,317	+25.25%	$20.79K
12	GEODE CAPITAL MANAGEMENT, LLC	0001214717	792,853	1.50%	▲30,627	+4.02%	$20.22Mn
13	Morgan Stanley	0000895421	670,622	1.27%	▲86,868	+14.88%	$17.10Mn
14	Swedbank AB	0000946431	645,000	1.22%	▼95,000	-12.84%	$16.45Mn
15	Granahan Investment Management, LLC	0001026710	630,073	1.19%	▼217,934	-25.70%	$16.07Mn
16	Legal & General Group Plc	0000764068	549,210	1.04%	▲81,648	+17.46%	$14.00Mn
17	AMERICAN CENTURY COMPANIES INC	0000748054	526,154	0.99%	▲130,979	+33.14%	$13.42Mn
18	Royal Bank Of Canada	0001000275	504,148	0.95%	▼95,413	-15.91%	$12.86Mn
19	Bandera Partners LLC	0001399386	476,309	0.90%	▼50,460	-9.58%	$12.15Mn
20	Gagnon Advisors, LLC	0001599466	472,798	0.89%	0	0.00%	$12.06Mn

Showing 1 to 20 of 180 holders