ERII

Energy Recovery Inc$8.48 1.62%
IndustrialsUSCUSIP 29270J100· EOD Jul 20, 2026◍ Confluence graph
Tracked 13F Holders
154
+10 QoQ
13F Value (tracked)
$397.2M
Insider Net · 180d
-$2.7M
2↑ 5↓
Recent Filings
15
Smart-money sentimentMixed
BearishBullish
13F funds (latest Q)32 adding · 18 trimming
Insider net (180d)-$2.7M

Price & smart-money activity

$8.48 1.62%5Y -59.2%
$6.19$12.75$19.30$25.86$32.422021202220232024202520262202222418251722418228122324124301842623432215234302428375293231933727303392822374044319239401243445
Hover for who · click for detailEnd-of-day closing prices52w $7.92 – $18.11

Top institutional holders

154 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$61.3M
6.1M
−3.9%
Reduced · −246K sh
Q1 2026
2AMERIPRISE FINANCIAL INC
$53.0M
5.3M
+15%
Added · +696K sh
Q1 2026
3Amundi
$37.6M
3.7M
+31%
Added · +889K sh
Q1 2026
4VANGUARD CAPITAL MANAGEMENT LLC
$22.5M
2.2M
New
+2.2M sh
Q1 2026
5FIL Ltd
$20.0M
2.0M
−0.3%
Reduced · −6K sh
Q1 2026
6Legal & General Group Plc
$19.2M
1.9M
+42%
Added · +559K sh
Q1 2026
7STATE STREET CORP
$17.9M
1.8M
+0.5%
Added · +8K sh
Q1 2026
8GEODE CAPITAL MANAGEMENT, LLC
$13.0M
1.3M
+2.7%
Added · +34K sh
Q1 2026
9VANGUARD PORTFOLIO MANAGEMENT LLC
$12.7M
1.3M
New
+1.3M sh
Q1 2026
10DIMENSIONAL FUND ADVISORS LP
$8.8M
877K
−7.6%
Reduced · −72K sh
Q1 2026
11MORGAN STANLEY
$8.0M
793K
−19%
Reduced · −181K sh
Q1 2026
12DIAMOND HILL CAPITAL MANAGEMENT INC
$6.8M
673K
−24%
Reduced · −215K sh
Q1 2026
13Kopion Asset Management, LLC
$5.8M
640K
+26%
Added · +133K sh
Q2 2026
14683 Capital Management, LLC
$5.5M
550K
New
+550K sh
Q1 2026
15ArrowMark Colorado Holdings LLC
$5.2M
516K
+37%
Added · +139K sh
Q1 2026
16ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
$5.2M
514K
+48%
Added · +166K sh
Q1 2026
17GOLDMAN SACHS GROUP INC
$4.7M
469K
−23%
Reduced · −139K sh
Q1 2026
18Swiss Life Asset Management Ltd
$4.6M
458K
+5.4%
Added · +24K sh
Q1 2026
19NORTHERN TRUST CORP
$4.5M
450K
+2.7%
Added · +12K sh
Q1 2026
20CITADEL ADVISORS LLC
$4.5M
449K
+7.4%
Added · +31K sh
Q1 2026
21CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$4.3M
431K
−3.0%
Reduced · −13K sh
Q1 2026
22KLP KAPITALFORVALTNING AS
$4.1M
405K
+4.3%
Added · +17K sh
Q1 2026
23VANGUARD FIDUCIARY TRUST CO
$3.7M
364K
New
+364K sh
Q1 2026
24Raiffeisen Bank International AG
$3.4M
350K
+17%
Added · +50K sh
Q1 2026
25PINNACLE ASSOCIATES LTD
$3.4M
342K
−9.9%
Reduced · −38K sh
Q1 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Fund activity: latest quarter

Opened (NEW)
12
funds
Added
20
funds
Reduced
18
funds
Exited
0
funds

Funds that own ERII also own

CompanyCo-held byCombined value
MICROSOFT CORPMSFT58 funds$29.8B
AMAZON.COM INCAMZN57 funds$20.4B
JPMORGAN CHASE & COJPM56 funds$8.7B
ELI LILLY & COLLY56 funds$7.1B
BANK OF AMERICA CORPBAC56 funds$3.3B
NVIDIA CORPNVDA55 funds$41.3B
APPLE INCAAPL55 funds$33.4B
ALPHABET INC-CL AGOOGL55 funds$18.2B
BERKSHIRE HATHAWAY INC-CL BBRK/B55 funds$6.8B
COSTCO WHOLESALE CORPCOST55 funds$4.5B
UNITEDHEALTH GROUP INCUNH55 funds$2.8B
S&P GLOBAL INCSPGI55 funds$1.5B

Ranked by how many of ERII's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$266K
2 insiders
Sells · 180d
$3.0M
5 insiders
Net
-$2.7M
15 P/S txns
Signal
Net Selling
open-market
DateInsiderRoleActionSharesValue
Jun 15, 2026Sabol Colin RDirectorBuy (P)11K$99K
Jun 15, 2026BUEHLER ALEXANDER JInterim President and CEO, DirectorSell (S)15K$130K
May 13, 2026TONDREAU PAMELA L.DirectorBuy (P)20K$167K
Apr 6, 2026Hanstveit ArveDirectorSell (S)2K$25K
Apr 2, 2026Hanstveit ArveDirectorSell (S)165K$1.7M
Mar 10, 2026Hanstveit ArveDirectorSell (S)25K$274K
Mar 6, 2026Hanstveit ArveDirectorSell (S)12K$123K
Mar 5, 2026Hanstveit ArveDirectorSell (S)38K$411K
Mar 5, 2026Ramanan NatarajanChief Technology OfficerSell (S)272$3K
Mar 4, 2026Clemente RodneySVP, WaterSell (S)21K$218K
Feb 6, 2026Yeung WilliamChief Legal OfficerSell (S)646$10K
Feb 5, 2026Clemente RodneySVP, WaterSell (S)724$11K

Institutional ownership over time

152 funds+44 since Q3 2024
076152Q3 2024Q1 2025Q3 2025Q1 2026
funds holding aggregate valuelatest $395.4M

Recent filings

15 shown

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Ask your agent what changed in ERII

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/ERII/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for ERII.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ERII. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.