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Not Investment Advice

ERII NASDAQ

Energy Recovery, Inc.
1W: +0.0% 1M: -20.3% 3M: -46.9% YTD: -37.2% 1Y: -33.2% 3Y: -64.6% 5Y: -51.4%
$8.85
+0.23 (+2.67%)
 
Weekly Expected Move ±11.2%
$7 $7 $8 $9 $10
NASDAQ · Industrials · Industrial - Pollution & Treatment Controls · Alpha Radar Strong Sell · Power 36 · $456.2M mcap · 50M float · 2.27% daily turnover · Short 39% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
226
Institutions Holding
+10 vs prior
84.7%
Ownership
-43.98%
37 New
63 Increased
103 Reduced
53 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-13 TONDREAU PAMELA L. director P-Purchase 20,000 $8.34 $167K Filing
2026-04-06 Hanstveit Arve director S-Sale 2,419 $10.29 $25K Filing
2026-04-02 Hanstveit Arve director S-Sale 165,292 $10.14 $1.7M Filing
2026-03-05 Ramanan Natarajan officer: chief technology officer S-Sale 272 $10.57 $3K Filing
2026-03-04 Clemente Rodney officer: svp, water S-Sale 20,568 $10.61 $218K Filing
2026-03-03 Ramanan Natarajan officer: chief technology officer F-Tax Withholding 2,724 $10.22 $28K Filing
2026-02-17 Clemente Rodney officer: svp, water A-Grant/Award 45,626 $— $0 Filing
2026-02-17 Hostetler Matthew officer: chief human resources officer A-Grant/Award 25,959 $— $0 Filing
2026-02-17 Mancini Michael S. officer: chief financial officer A-Grant/Award 45,626 $— $0 Filing
2026-02-17 Yeung William officer: chief legal officer A-Grant/Award 25,959 $— $0 Filing
2026-02-17 Ramanan Natarajan officer: chief technology officer A-Grant/Award 29,106 $— $0 Filing
2026-02-17 Moon David W officer: president and ceo A-Grant/Award 81,812 $— $0 Filing
2026-02-06 Yeung William officer: chief legal officer S-Sale 646 $15.14 $10K Filing
2026-02-05 Yeung William officer: chief legal officer S-Sale 890 $14.59 $13K Filing
2026-02-05 Clemente Rodney officer: svp, water S-Sale 724 $14.59 $11K Filing
2026-02-02 Yeung William officer: chief legal officer S-Sale 729 $14.46 $11K Filing
2026-01-30 Clemente Rodney officer: svp, water F-Tax Withholding 8,397 $14.30 $120K Filing
2026-01-30 Yeung William officer: chief legal officer F-Tax Withholding 8,622 $14.30 $123K Filing
2026-01-30 Yeung William officer: chief legal officer F-Tax Withholding 1,003 $14.65 $15K Filing
2026-01-30 Hostetler Matthew officer: chief human resources officer F-Tax Withholding 3,359 $14.30 $48K Filing
2026-01-30 Mancini Michael S. officer: chief financial officer F-Tax Withholding 4,798 $14.30 $69K Filing
2026-01-30 Moon David W officer: president and ceo F-Tax Withholding 17,160 $14.30 $245K Filing
2026-01-30 Clemente Rodney officer: svp, water F-Tax Withholding 694 $14.65 $10K Filing
2026-01-28 Yeung William officer: chief legal officer S-Sale 7,271 $14.55 $106K Filing
2025-12-05 Hanstveit Arve director S-Sale 15,000 $14.71 $221K Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 6,090,926 $61M -246,465 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 5,259,816 $53M +696,468 2026-03-31 Filing
Amundi 3,740,309 $38M +888,618 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 2,230,270 $22M +2,230,270 2026-03-31 Filing
Legal & General Group Plc 1,902,525 $19M +558,678 2026-03-31 Filing
STATE STREET CORP 1,772,948 $18M +8,426 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,295,108 $13M +34,214 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 1,261,661 $13M +1,261,661 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 877,431 $9M -72,058 2026-03-31 Filing
Invesco Ltd. 826,296 $8M +80,260 2026-03-31 Filing
AVENIR CORP 817,755 $8M -151,825 2026-03-31 Filing
DIAMOND HILL CAPITAL MANAGEMENT INC 673,035 $7M -215,323 2026-03-31 Filing
BROWN CAPITAL MANAGEMENT LLC 538,063 $5M -226,730 2026-03-31 Filing
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 514,102 $5M +165,915 2026-03-31 Filing
Kopion Asset Management, LLC 506,965 $5M +172,496 2026-03-31 Filing
ROYCE & ASSOCIATES LP 483,018 $5M +150,771 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 468,535 $5M -138,641 2026-03-31 Filing
Swiss Life Asset Management Ltd 457,783 $5M +23,652 2026-03-31 Filing
NORTHERN TRUST CORP 450,437 $5M +12,040 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 431,288 $4M -13,302 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms