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
$1.11M Buy
+123,000
New +$1.17M ﹤0.01% 6312
2021
Q3
Sell
-26,400
Closed -$601K 10115
2021
Q2
$601K Buy
+26,400
New +$520K ﹤0.01% 6891

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. 199 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.
  • 199 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.