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Granahan Investment Management’s Ameresco AMRC Stock Holding History

Granahan Investment Management’s Portfolio AMRC Stock Details AMRC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$652K Sell
23,622
-606,451
-96% -$17.5M 0.02% 144
2026
Q1 		$16.1M Sell
630,073
-217,934
-26% -$6.53M 0.78% 38
2025
Q4 		$24.8M Sell
848,007
-42,065
-5% -$1.48M 1.06% 28
2025
Q3 		$29.9M Buy
890,072
+462,875
+108% +$10.6M 1.22% 25
2025
Q2 		$6.49M Buy
427,197
+10,701
+3% +$140K 0.26% 91
2025
Q1 		$5.03M Buy
416,496
+405,879
+3,823% +$7.35M 0.25% 94
2024
Q4 		$249K Sell
10,617
-97,997
-90% -$2.83M 0.01% 170
2024
Q3 		$4.12M Sell
108,614
-220,590
-67% -$6.82M 0.16% 139
2024
Q2 		$9.48M Sell
329,204
-201,566
-38% -$5.56M 0.38% 84
2024
Q1 		$12.8M Buy
530,770
+9,098
+2% +$204K 0.45% 66
2023
Q4 		$16.5M Buy
521,672
+4,621
+0.9% +$139K 0.55% 56
2023
Q3 		$19.9M Sell
517,051
-111,930
-18% -$5.41M 0.71% 42
2023
Q2 		$30.6M Sell
628,981
-33,305
-5% -$1.5M 0.94% 30
2023
Q1 		$32.6M Buy
662,286
+365,008
+123% +$19.3M 0.99% 27
2022
Q4 		$17M Buy
297,278
+12,806
+5% +$780K 0.52% 57
2022
Q3 		$18.9M Sell
284,472
-20,406
-7% -$1.25M 0.62% 44
2022
Q2 		$13.9M Buy
304,878
+141,748
+87% +$7.88M 0.47% 61
2022
Q1 		$13M Buy
+163,130
New +$10.3M 0.32% 81
2021
Q4 		– Sell
-142,844
Closed -$8.35M – 187
2021
Q3 		$8.35M Sell
142,844
-30,457
-18% -$2.01M 0.16% 124
2021
Q2 		$10.9M Buy
+173,301
New +$9.33M 0.2% 111

Other funds holding AMRC

Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Grantham, Mayo, Van Otterloo & Co (GMO)
Grantham, Mayo, Van Otterloo & Co (GMO) Boston, Massachusetts $44.4B AUM 36.05% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return
RA
Royce & Associates New York $12.4B AUM 64.17% 1-Year Est. Return

Granahan Investment Management's AMRC Position: Q2 2026 in Review

Granahan Investment Management reduced its Ameresco (AMRC) stake by 96% in Q2 2026, selling an estimated $17.5M and leaving 23,622 shares worth $652K. The position accounts for 0.02% of the portfolio, ranked #144.

Granahan Investment Management first reported a position in AMRC in Q2 2021 and has held it in 20 quarters since. The position peaked at $32.6M in Q1 2023. 185 funds tracked by Wall St. Rank hold AMRC as of Q2 2026.

  • Granahan Investment Management held 23,622 shares of Ameresco worth $652K as of Q2 2026.
  • Granahan Investment Management sold 606,451 Ameresco shares in Q2 2026, an estimated $17.5M.
  • Ameresco made up 0.02% of Granahan Investment Management's portfolio in Q2 2026, its #144 holding.
  • Granahan Investment Management first reported a position in Ameresco in Q2 2021 and has held it in 20 quarters since.
  • Granahan Investment Management's Ameresco position peaked at $32.6M in Q1 2023.
  • 185 funds tracked by Wall St. Rank held Ameresco as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.