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SC 13G/A ·Filed Oct 26, 2026

ERII

Energy Recovery, Inc.
NEUTRAL
Impact 3/10
Horizonweeks Processed1d 3h ago SEC0001172661-26-004697
Passive stake amendment
Actionable Insight • Neutral

Monitor for any future conversion to a Schedule 13D, which would signal activist intent. For now, the passive filing suggests no near-term change in control or strategy.

DirectionNeutral
Confidencehigh
Horizonweeks
Latest settled — T+1d
ERII ▲ +1.03% at T+1d
NEUTRAL call +1.03% · α vs SPY +0.47% · entry $6.79 → $6.86
Next anchor: T+5d in 6d
Entry = T+0 close
Oct 26, 2026
via day close
T+1d
+1.03%
call +1.03% · α +0.47%
$6.86
settled 12h ago
T+5d
Pending
in 6d
T+20d
Pending
in 27d
T+60d
Pending
in 3mo

Price Chart

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Executive Summary

Amundi filed an amended Schedule 13G disclosing a 7.03% passive stake in Energy Recovery, Inc. as of September 30, 2026, representing 3,588,117 shares. This is an increase from the prior filing 96 days ago, but as a passive holder update, the change is routine and does not signal activist intent.

Key Financial Metrics

Stake
7.03%
Stake Value
$23.9M
Investor
Amundi
Investor Type
mutual fund

Key Facts

  • Amundi reported beneficial ownership of 3,588,117 shares of Energy Recovery, Inc. common stock, representing 7.03% of shares outstanding.
  • The filing is an amendment to Schedule 13G, confirming passive investment intent under Rule 13d-1(b).
  • The stake is held by Amundi and its subsidiary Amundi Asset Management, both organized under French law.
  • The filing date is October 26, 2026, with a beneficial ownership date of September 30, 2026.

Financial Impact

Amundi's stake of 3,588,117 shares at a market cap of $340M implies a stake value of approximately $23.9M (7.03% of $340M).

ownership percentage

Risk Factors

  • Amundi could later convert to an activist filer (Schedule 13D), though no indication in this filing.
  • A decrease in stake below 5% in future filings could signal reduced conviction.

Market Snapshot

Exchange
Nasdaq
Sector
Special Industry Machinery, NEC
Analyst Consensus
0% bullish (9 analysts)

Investment Themes

Industrials & Manufacturing

Documents Analyzed

This report is based on 3 SEC documents filed with EDGAR.

DocumentAccession Number
SC 13G/A Filing (Primary)0001172661-26-004697
Document: 0001172661-26-004697-index.html0001172661-26-004697
Document: 0001172661-26-004697.txt0001172661-26-004697
4 reports for ERII
Performance horizon
Filters
Rows
Reports for ERII — sortable, filterable
TypeNow
Oct 26, 2026
1d ago
SC 13G/A
NEUTRAL ★ 3/10
$6.79awaiting T+20—$6.86 (+1.03%)
Jun 15, 2026
19w ago
144
NEUTRAL ★ 2/10
$8.58 $8.66▲ +0.93%▲ +0.73%$6.86 (−20.05%)
Mar 4, 2026
33w ago
Insider Cluster
NEUTRAL ★ 4/10
$10.72 $10.22▼ −4.66%▼ −0.25%$6.86 (−36.01%)
Feb 25, 2026
34w ago
8-K
MIXED ★ 6/10
$10.43 $9.94▼ −4.70%▲ +1.72%$6.86 (−34.23%)
Showing 4 of 4

US Market Status

Market Closed — Opens Wed (< 1m)

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Report published Oct 26, 2026