Jane Street’s Energy Recovery ERII Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $375K | Sell |
41,585
-93,888
| -69% | -$892K | ﹤0.01% | 8677 |
|
|
2026
Q1 | $1.36M | Buy |
135,473
+23,800
| +21% | +$311K | ﹤0.01% | 5828 |
|
|
2025
Q4 | $1.51M | Sell |
111,673
-42,436
| -28% | -$643K | ﹤0.01% | 5333 |
|
|
2025
Q3 | $2.38M | Buy |
154,109
+112,154
| +267% | +$1.58M | ﹤0.01% | 4625 |
|
|
2025
Q2 | $536K | Sell |
41,955
-80,414
| -66% | -$1.09M | ﹤0.01% | 6785 |
|
|
2025
Q1 | $1.94M | Buy |
122,369
+43,089
| +54% | +$656K | ﹤0.01% | 4396 |
|
|
2024
Q4 | $1.17M | Buy |
79,280
+48,191
| +155% | +$825K | ﹤0.01% | 5085 |
|
|
2024
Q3 | $541K | Sell |
31,089
-59,314
| -66% | -$936K | ﹤0.01% | 7050 |
|
|
2024
Q2 | $1.2M | Buy |
90,403
+70,907
| +364% | +$977K | ﹤0.01% | 5430 |
|
|
2024
Q1 | $308K | Sell |
19,496
-75,204
| -79% | -$1.2M | ﹤0.01% | 7521 |
|
|
2023
Q4 | $1.78M | Buy |
94,700
+68,987
| +268% | +$1.28M | ﹤0.01% | 4533 |
|
|
2023
Q3 | $545K | Sell |
25,713
-11,754
| -31% | -$314K | ﹤0.01% | 6163 |
|
|
2023
Q2 | $1.05M | Buy |
37,467
+24,492
| +189% | +$611K | ﹤0.01% | 5121 |
|
|
2023
Q1 | $299K | Buy |
+12,975
| New | +$285K | ﹤0.01% | 7204 |
|
|
2022
Q2 | – | Sell |
-30,890
| Closed | -$623K | – | 9933 |
|
|
2022
Q1 | $623K | Buy |
+30,890
| New | +$601K | ﹤0.01% | 7068 |
|
|
2021
Q3 | – | Sell |
-10,869
| Closed | -$221K | – | 10114 |
|
|
2021
Q2 | $248K | Buy |
+10,869
| New | +$214K | ﹤0.01% | 8478 |
|
|
2020
Q4 | – | Sell |
-16,943
| Closed | -$139K | – | 7614 |
|
|
2020
Q3 | $139K | Buy |
+16,943
| New | +$136K | ﹤0.01% | 6639 |
|
|
2020
Q2 | – | Sell |
-13,249
| Closed | -$98K | – | 7168 |
|
|
2020
Q1 | $98K | Buy |
+13,249
| New | +$126K | ﹤0.01% | 4941 |
|
|
2016
Q4 | – | Sell |
-11,797
| Closed | -$189K | – | 4135 |
|
|
2016
Q3 | $189K | Sell |
11,797
-2,262
| -16% | -$27.5K | ﹤0.01% | 3739 |
|
|
2016
Q2 | $125K | Buy |
14,059
+2,127
| +18% | +$22.7K | ﹤0.01% | 3860 |
|
|
2016
Q1 | $123K | Buy |
11,932
+1,432
| +14% | +$10.4K | ﹤0.01% | 3840 |
|
|
2015
Q4 | $74K | Sell |
10,500
-17,221
| -62% | -$109K | ﹤0.01% | 3836 |
|
|
2015
Q3 | $59K | Buy |
+27,721
| New | +$71.8K | ﹤0.01% | 3421 |
|
|
2014
Q2 | – | Sell |
-41,670
| Closed | -$222K | – | 2701 |
|
|
2014
Q1 | $222K | Buy |
41,670
+5,560
| +15% | +$27.4K | ﹤0.01% | 2270 |
|
|
2013
Q4 | $200K | Buy |
+36,110
| New | +$203K | ﹤0.01% | 2030 |
|
|
2013
Q3 | – | Sell |
-28,148
| Closed | -$116K | – | 2801 |
|
|
2013
Q2 | $116K | Buy |
+28,148
| New | +$107K | ﹤0.01% | 2405 |
|
Other funds holding ERII
Jane Street's ERII Position: Q2 2026 in Review
Jane Street reduced its Energy Recovery (ERII) stake by 69% in Q2 2026, selling an estimated $892K and leaving 41,585 shares worth $375K. The position accounts for ﹤0.01% of the portfolio, ranked #8677.
Jane Street first reported a position in ERII in Q2 2013 and has held it in 26 quarters since. The position peaked at $2.38M in Q3 2025. 200 funds tracked by Wall St. Rank hold ERII as of Q2 2026.
- Jane Street held 41,585 shares of Energy Recovery worth $375K as of Q2 2026.
- Jane Street sold 93,888 Energy Recovery shares in Q2 2026, an estimated $892K.
- Energy Recovery made up ﹤0.01% of Jane Street's portfolio in Q2 2026, its #8677 holding.
- Jane Street first reported a position in Energy Recovery in Q2 2013 and has held it in 26 quarters since.
- Jane Street's Energy Recovery position peaked at $2.38M in Q3 2025.
- 200 funds tracked by Wall St. Rank held Energy Recovery as of Q2 2026.
Based on Jane Street's 13F filing for Q2 2026, filed 14 Aug 2026.