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Montanaro Asset Management’s Energy Recovery ERII Stock Holding History

Montanaro Asset Management’s Portfolio ERII Stock Details ERII Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-128,160
Closed -$1.73M – 45
2025
Q4 		$1.73M Sell
128,160
-77,400
-38% -$1.17M 0.48% 37
2025
Q3 		$3.17M Hold
205,560
– – 0.79% 34
2025
Q2 		$2.63M Sell
205,560
-11,140
-5% -$151K 0.68% 38
2025
Q1 		$3.44M Sell
216,700
-205,700
-49% -$3.13M 1.01% 34
2024
Q4 		$6.21M Sell
422,400
-73,600
-15% -$1.26M 1.28% 34
2024
Q3 		$8.63M Sell
496,000
-11,000
-2% -$174K 1.54% 28
2024
Q2 		$6.74M Hold
507,000
– – 1.26% 30
2024
Q1 		$8.01M Sell
507,000
-157,000
-24% -$2.5M 1.45% 27
2023
Q4 		$12.5M Sell
664,000
-184,250
-22% -$3.42M 2.35% 21
2023
Q3 		$18M Sell
848,250
-750
-0.1% -$20K 3.17% 12
2023
Q2 		$23.7M Sell
849,000
-70,000
-8% -$1.75M 3.75% 11
2023
Q1 		$21.2M Buy
919,000
+40,000
+5% +$879K 3.29% 16
2022
Q4 		$18M Buy
879,000
+10,000
+1% +$219K 2.93% 18
2022
Q3 		$18.9M Buy
869,000
+10,000
+1% +$225K 2.89% 19
2022
Q2 		$16.7M Sell
859,000
-25,000
-3% -$485K 2.51% 20
2022
Q1 		$17.8M Sell
884,000
-175,000
-17% -$3.41M 2.19% 21
2021
Q4 		$22.8M Buy
1,059,000
+85,000
+9% +$1.78M 2.3% 18
2021
Q3 		$18.5M Buy
974,000
+152,000
+18% +$3.09M 2.23% 18
2021
Q2 		$18.7M Buy
+822,000
New +$16.2M 2.36% 19

Other funds holding ERII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $495B AUM 43.24% 1-Year Est. Return
Amundi
Amundi Paris, France $416B AUM 44.19% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Montanaro Asset Management's ERII Position: Q1 2026 in Review

Montanaro Asset Management sold out of Energy Recovery (ERII) in Q1 2026, closing a stake of 128,160 shares — an estimated $1.73M sold.

Montanaro Asset Management first reported a position in ERII in Q2 2021 and held it in 19 quarters. The position peaked at $23.7M in Q2 2023. 197 funds tracked by Wall St. Rank hold ERII as of Q1 2026.

  • Montanaro Asset Management reported no remaining Energy Recovery position as of Q1 2026 after selling out during the quarter.
  • Montanaro Asset Management sold 128,160 Energy Recovery shares in Q1 2026, an estimated $1.73M.
  • Montanaro Asset Management first reported a position in Energy Recovery in Q2 2021 and held it in 19 quarters.
  • Montanaro Asset Management's Energy Recovery position peaked at $23.7M in Q2 2023.
  • 197 funds tracked by Wall St. Rank held Energy Recovery as of Q1 2026.

Based on Montanaro Asset Management's 13F filing for Q1 2026, filed 11 May 2026.