DOSSIER · 13F Holders · Q3 2026

ENERGY RECOVERY INC

4 institutions still hold ENERGY RECOVERY INC as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 29270J950·4 13F holders·last filed Sep 30, 2026
Market cap
—
13F value held
$5M
visible holders
Holders
4
filers reporting
Concentration
55.50%
IMC-Chicago, LLC #1
top holder share
AI Holders Summary · Q3 2026

4 institutions reported ENERGY RECOVERY INC in Q3 2026. IMC-Chicago, LLC leads at 55.5% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
IMC-Chicago, LLC
CIK 0001452861· Market maker
$3M400K0.00%Q3 2026
02
GROUP ONE TRADING LLC
CIK 0000932540
$2M320K0.00%Q3 2026
03
SIMPLEX TRADING, LLC
CIK 0001488542
$4K6000.00%Q3 2026
04
CONCOURSE FINANCIAL GROUP SECURITIES, INC.
CIK 0000752798
$00—Q2 2025