Ken Griffin
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Ken Griffin’s Ameresco AMRC Stock Holding History

Ken Griffin’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
Q1 		$252K Sell
9,900
-10,200
-51% -$306K ﹤0.01% 10887
2025
Q4 		$589K Sell
20,100
-55,600
-73% -$1.95M ﹤0.01% 8630
2025
Q3 		$2.54M Sell
75,700
-4,000
-5% -$91.5K ﹤0.01% 5600
2025
Q2 		$1.21M Buy
79,700
+31,600
+66% +$414K ﹤0.01% 6681
2025
Q1 		$581K Buy
48,100
+37,800
+367% +$685K ﹤0.01% 8147
2024
Q4 		$242K Sell
10,300
-3,600
-26% -$104K ﹤0.01% 10097
2024
Q3 		$527K Sell
13,900
-11,800
-46% -$365K ﹤0.01% 8153
2024
Q2 		$740K Sell
25,700
-8,900
-26% -$245K ﹤0.01% 7241
2024
Q1 		$835K Buy
34,600
+11,600
+50% +$260K ﹤0.01% 7314
2023
Q4 		$728K Buy
23,000
+11,500
+100% +$347K ﹤0.01% 7305
2023
Q3 		$443K Sell
11,500
-4,000
-26% -$193K ﹤0.01% 8311
2023
Q2 		$754K Buy
15,500
+200
+1% +$9.01K ﹤0.01% 7043
2023
Q1 		$753K Buy
15,300
+7,500
+96% +$398K ﹤0.01% 7404
2022
Q4 		$446K Buy
7,800
+2,400
+44% +$146K ﹤0.01% 8484
2022
Q3 		$359K Sell
5,400
-8,800
-62% -$540K ﹤0.01% 9183
2022
Q2 		$647K Buy
14,200
+4,300
+43% +$239K ﹤0.01% 8068
2022
Q1 		$787K Sell
9,900
-600
-6% -$37.8K ﹤0.01% 8253
2021
Q4 		$855K Sell
10,500
-1,900
-15% -$152K ﹤0.01% 8340
2021
Q3 		$725K Buy
12,400
+100
+0.8% +$6.59K ﹤0.01% 8972
2021
Q2 		$771K Sell
12,300
-8,500
-41% -$458K ﹤0.01% 9041
2021
Q1 		$1.01M Buy
20,800
+16,100
+343% +$887K ﹤0.01% 8080
2020
Q4 		$246K Buy
+4,700
New +$203K ﹤0.01% 9425

Other funds holding AMRC

Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 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 $39.1B AUM 28.69% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
D.E. Shaw & Co
D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return
RA
Royce & Associates New York $10.1B AUM 42.88% 1-Year Est. Return
DnB Asset Management
DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Ken Griffin's AMRC Position: Q1 2026 in Review

Ken Griffin increased its Ameresco (AMRC) stake by 419% in Q1 2026, buying an estimated $5.16M and bringing the position to 213,336 shares worth $5.44M. The position accounts for ﹤0.01% of the portfolio, ranked #4211.

Ken Griffin first reported a position in AMRC in Q4 2013 and has held it in 29 quarters since. The position peaked at $17.8M in Q2 2023. 187 funds tracked by Wall St. Rank hold AMRC as of Q1 2026.

  • Ken Griffin held 213,336 shares of Ameresco worth $5.44M as of Q1 2026.
  • Ken Griffin bought 172,267 Ameresco shares in Q1 2026, an estimated $5.16M.
  • Ameresco made up ﹤0.01% of Ken Griffin's portfolio in Q1 2026, its #4211 holding.
  • Ken Griffin first reported a position in Ameresco in Q4 2013 and has held it in 29 quarters since.
  • Ken Griffin's Ameresco position peaked at $17.8M in Q2 2023.
  • 187 funds tracked by Wall St. Rank held Ameresco as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.