Jane Street
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Jane Street’s Energy Recovery ERII Stock Holding History

Jane Street’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
2021
Q3 		– Sell
-26,400
Closed -$601K – 10115
2021
Q2 		$601K Buy
+26,400
New +$520K ﹤0.01% 6891

Other funds holding ERII

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Ameriprise
Ameriprise Minneapolis, Minnesota $432B AUM 30.22% 1-Year Est. Return
Amundi
Amundi Paris, France $367B AUM 31.23% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Fidelity International
Fidelity International Hamilton, Bermuda $129B AUM 30.83% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Jane Street's ERII Position: Q1 2026 in Review

Jane Street increased its Energy Recovery (ERII) stake by 21% in Q1 2026, buying an estimated $311K and bringing the position to 135,473 shares worth $1.36M. The position accounts for ﹤0.01% of the portfolio, ranked #5828.

Jane Street first reported a position in ERII in Q2 2013 and has held it in 25 quarters since. The position peaked at $2.38M in Q3 2025. 197 funds tracked by Wall St. Rank hold ERII as of Q1 2026.

  • Jane Street held 135,473 shares of Energy Recovery worth $1.36M as of Q1 2026.
  • Jane Street bought 23,800 Energy Recovery shares in Q1 2026, an estimated $311K.
  • Energy Recovery made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #5828 holding.
  • Jane Street first reported a position in Energy Recovery in Q2 2013 and has held it in 25 quarters since.
  • Jane Street's Energy Recovery position peaked at $2.38M in Q3 2025.
  • 197 funds tracked by Wall St. Rank held Energy Recovery as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.