Skip to main content

D. E. Shaw & Co., Inc.

SEC CIK
0001009207
Latest filing
Aug 14, 2026

ERII holding history

Energy Recovery, Inc. in every 13F filed by D. E. Shaw & Co., Inc., 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)
218,707
Value
$1.97M
% of portfolio
<0.1%
Quarters held
18
Since Q1 2021
Holdings of ERII by D. E. Shaw & Co., Inc., by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026218,707$1.97M<0.1%+204,807+1,473.4%AddedHolders
Q1 202613,900$140.0K<0.1%−49,195−78.0%ReducedHolders
Q4 202563,095$851.2K<0.1%−283,706−81.8%ReducedHolders
Q3 2025346,801$5.35M<0.1%−26,891−7.2%ReducedHolders
Q2 2025373,692$4.78M<0.1%+111,053+42.3%AddedHolders
Q1 2025262,639$4.17M<0.1%−116,779−30.8%ReducedHolders
Q4 2024379,418$5.58M<0.1%−82,055−17.8%ReducedHolders
Q3 2024461,473$8.03M<0.1%−207,002−31.0%ReducedHolders
Q2 2024668,475$8.88M<0.1%+187,833+39.1%AddedHolders
Q1 2024480,642$7.59M<0.1%+341,420+245.2%AddedHolders
Q4 2023139,222$2.62M<0.1%−14,487−9.4%ReducedHolders
Q3 2023153,709$3.26M<0.1%−7,492−4.6%ReducedHolders
Q2 2023161,201$4.51M<0.1%+47,337+41.6%AddedHolders
Q1 2023113,864$2.62M<0.1%+33,778+42.2%AddedHolders
Q4 202280,086$1.64M<0.1%+44,186+123.1%AddedHolders
Q3 202235,900$780.0K<0.1%+20,100+127.2%AddedHolders
Q2 202215,800$307.0K<0.1%+15,800NewHolders
Q2 20210$00.0%−32,592−100.0%Sold outHolders
Q1 202132,592$598.0K<0.1%––Holders

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