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John Overdeck’s Energy Recovery ERII Stock Holding History

John Overdeck’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
Q2 		$2.1M Buy
232,829
+143,930
+162% +$1.37M ﹤0.01% 2955
2026
Q1 		$895K Buy
+88,899
New +$1.16M ﹤0.01% 3344
2025
Q2 		– Sell
-53,441
Closed -$849K – 3266
2025
Q1 		$849K Buy
53,441
+37,876
+243% +$576K ﹤0.01% 2266
2024
Q4 		$229K Buy
+15,565
New +$266K ﹤0.01% 2828
2024
Q3 		– Sell
-67,450
Closed -$896K – 3168
2024
Q2 		$896K Sell
67,450
-6,643
-9% -$91.6K ﹤0.01% 2048
2024
Q1 		$1.17M Sell
74,093
-46,983
-39% -$748K ﹤0.01% 1851
2023
Q4 		$2.28M Buy
121,076
+75,749
+167% +$1.41M 0.01% 1429
2023
Q3 		$961K Sell
45,327
-26,243
-37% -$701K ﹤0.01% 1960
2023
Q2 		$2M Sell
71,570
-2,617
-4% -$65.3K 0.01% 1437
2023
Q1 		$1.71M Sell
74,187
-32,600
-31% -$716K ﹤0.01% 1489
2022
Q4 		$2.19M Sell
106,787
-126,654
-54% -$2.77M 0.01% 1291
2022
Q3 		$5.08M Buy
233,441
+129,881
+125% +$2.92M 0.02% 745
2022
Q2 		$2.01M Buy
103,560
+34,028
+49% +$660K 0.01% 1202
2022
Q1 		$1.4M Buy
69,532
+51,938
+295% +$1.01M ﹤0.01% 1521
2021
Q4 		$378K Buy
+17,594
New +$368K ﹤0.01% 3492
2020
Q1 		– Sell
-20,187
Closed -$198K – 3306
2019
Q4 		$198K Buy
+20,187
New +$186K ﹤0.01% 3426

Other funds holding ERII

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Amundi
Amundi Paris, France $413B AUM 44.57% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Legal & General Group
Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return
Fidelity International
Fidelity International Hamilton, Bermuda $139B AUM 29.06% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Mackenzie Financial
Mackenzie Financial Toronto Ontario, Ontario, Canada $100B AUM 36.93% 1-Year Est. Return

John Overdeck's ERII Position: Q2 2026 in Review

John Overdeck increased its Energy Recovery (ERII) stake by 162% in Q2 2026, buying an estimated $1.37M and bringing the position to 232,829 shares worth $2.1M. The position accounts for ﹤0.01% of the portfolio, ranked #2955.

John Overdeck first reported a position in ERII in Q4 2019 and has held it in 16 quarters since. The position peaked at $5.08M in Q3 2022. 199 funds tracked by Wall St. Rank hold ERII as of Q2 2026.

  • John Overdeck held 232,829 shares of Energy Recovery worth $2.1M as of Q2 2026.
  • John Overdeck bought 143,930 Energy Recovery shares in Q2 2026, an estimated $1.37M.
  • Energy Recovery made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #2955 holding.
  • John Overdeck first reported a position in Energy Recovery in Q4 2019 and has held it in 16 quarters since.
  • John Overdeck's Energy Recovery position peaked at $5.08M in Q3 2022.
  • 199 funds tracked by Wall St. Rank held Energy Recovery as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.