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Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

ERII holding history

Energy Recovery, Inc. in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

ERII overviewAll 13F holders of ERIIFull Q2 2026 holdings

Shares (Q2 2026)
0
Sold out in Q2 2026
Value
$0
% of portfolio
0.0%
Quarters held
13
Since Q1 2021
Holdings of ERII by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20260$00.0%−144,265−100.0%Sold outHolders
Q1 2026144,265$1.45M<0.1%+41,280+40.1%AddedHolders
Q4 2025102,985$1.39M<0.1%+47,385+85.2%AddedHolders
Q3 202555,600$857.4K<0.1%−85,500−60.6%ReducedHolders
Q2 2025141,100$1.80M<0.1%−100,400−41.6%ReducedHolders
Q1 2025241,500$3.84M<0.1%+51,100+26.8%AddedHolders
Q4 2024190,400$2.80M<0.1%+190,400NewHolders
Q2 20240$00.0%−162,000−100.0%Sold outHolders
Q1 2024162,000$2.56M<0.1%+62,700+63.1%AddedHolders
Q4 202399,300$1.87M<0.1%+99,300NewHolders
Q4 20220$00.0%−49,500−100.0%Sold outHolders
Q3 202249,500$1.08M<0.1%−40,200−44.8%ReducedHolders
Q2 202289,700$1.74M<0.1%−49,300−35.5%ReducedHolders
Q1 2022139,000$2.80M<0.1%+139,000NewHolders
Q4 20210$00.0%−25,100−100.0%Sold outHolders
Q3 202125,100$478.0K<0.1%+25,100NewHolders
Q2 20210$00.0%−15,400−100.0%Sold outHolders
Q1 202115,400$282.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.