13F reference period
Q2 2026
Security Snapshot
Energy Recovery, Inc. - Common Stock, $0.001 par value (ERII) Institutional Ownership
CUSIP: 29270J100
13F Institutional Holders and Ownership History from Q1 2014 to Q3 2026
Institutions Reporting
199
Shares (Excl. Options)
43.88M
Full value: 43,879,588 · shares · 30 Jun 2026Price
$9.02
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended. Newer periods in the history table contain incoming reports and may be incomplete.
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- Security type / class
- Equity / Common Stock, $0.001 par value
- Symbol
- ERII on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 43,879,588
- Total 13F value
- $395,637,395
- Portfolio coverage rank
- 0%
- Share change
- -559,870
- Value change
- -$8,531,828
- Number of holders
- 199
- Shares outstanding
- 51,040,071
- SEC-reported price per share
- $6.87
- Insider filing price
- $6.87
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- ERII - Energy Recovery, Inc. - Common Stock, $0.001 par value is tracked under CUSIP 29270J100.
- 199 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 196 to 199 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$446.11M
Full value: $446,106,597 · USD · 31 Mar 2026.$395.64M
Full value: $395,637,395 · USD · 30 Jun 2026
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 199 institutions filings for Q2 2026.
Security key
29270J100
13F reference period
Q2 2026
13F holders
199
13D/G owners
4
CIK / CUSIP context first
Open Q2 2026 holders
ERII full holder history
Energy Recovery, Inc. SEC filings
Energy Recovery, Inc. company facts
Energy Recovery, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 29270J100:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
ERII
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Amundi | 7% | -9.2% | $23,932,740 | -$2,770,838 | 3,588,117 | -10% | AMUNDI | 30 Sep 2026 |
| BROWN CAPITAL MANAGEMENT LLC | 4.8% | -5.6% | $39,406,536 | -$4,910,760 | 2,595,951 | -11% | Brown Capital Management, LLC | 31 Mar 2025 |
| AMERIPRISE FINANCIAL INC | 1.3% | -87% | $6,113,124 | -$41,225,220 | 679,236 | -87% | Ameriprise Financial, Inc. | 30 Jun 2026 |
| FMR LLC | 0.2% | $1,420,390 | 93,570 | FMR LLC | 31 Dec 2024 |
As of 30 Jun 2026,
199
institutional investors reported holding
shares of
Energy Recovery, Inc. - Common Stock, $0.001 par value (ERII).
This represents
86%
of the company’s total
outstanding shares.
43.88M
Full value: 43,879,588 · shares · 30 Jun 202651.04M
Full value: 51,040,071 · shares · Stored outstanding share count13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
65%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12% | 6,344,252 | +4.2% | 0% | $57,225,153 |
| Amundi | 7.8% | 4,003,535 | +7% | 0.01% | $36,093,641 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.3% | 2,183,718 | -2.1% | 0% | $19,697,136 |
| Legal & General Group Plc | 4% | 2,059,764 | +8.3% | 0% | $18,579,072 |
| FIL Ltd | 3.4% | 1,715,722 | -14% | 0.01% | $15,475,812 |
| GEODE CAPITAL MANAGEMENT, LLC | 3.3% | 1,697,550 | +31% | 0% | $15,314,318 |
| STATE STREET CORP | 3.2% | 1,625,893 | -8.3% | 0% | $14,665,555 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.5% | 1,263,667 | +0.16% | 0% | $11,398,276 |
| MORGAN STANLEY | 2.4% | 1,237,003 | +56% | 0% | $11,157,767 |
| MACKENZIE FINANCIAL CORP | 2.3% | 1,187,686 | 0.01% | $10,712,928 | |
| Invesco Ltd. | 1.8% | 925,550 | +12% | 0% | $8,348,460 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 878,724 | +0.15% | 0% | $7,925,406 |
| ArrowMark Colorado Holdings LLC | 1.7% | 847,000 | +64% | 0.32% | $7,639,940 |
| ROYCE & ASSOCIATES LP | 1.5% | 752,812 | +56% | 0.05% | $6,790,364 |
| AVENIR CORP | 1.4% | 693,886 | -15% | 0.76% | $6,258,856 |
| AMERIPRISE FINANCIAL INC | 1.3% | 679,236 | -87% | 0% | $6,126,710 |
| MARSHALL WACE, LLP | 1.3% | 677,248 | +537% | 0.01% | $6,108,776 |
| Kopion Asset Management, LLC | 1.3% | 639,545 | +26% | 3.6% | $5,768,696 |
| GOLDMAN SACHS GROUP INC | 1.2% | 601,335 | +28% | 0% | $5,424,042 |
| 683 Capital Management, LLC | 1% | 530,000 | -3.6% | 0.44% | $4,780,600 |
| LAZARD ASSET MANAGEMENT LLC | 0.98% | 500,061 | +642% | 0.01% | $4,510,550 |
| NORTHERN TRUST CORP | 0.94% | 478,524 | +6.2% | 0% | $4,316,286 |
| CITADEL ADVISORS LLC | 0.93% | 476,236 | +6% | 0% | $4,295,649 |
| TUDOR INVESTMENT CORP ET AL | 0.92% | 471,905 | 0.02% | $4,256,583 | |
| Swiss Life Asset Management Ltd | 0.91% | 464,661 | +1.5% | 0.02% | $4,191,242 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
51
Headline period
Q2 2026
Rows shown
1-25 of 51
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q3 | 2,658,387 | $17,732,777 | -$11,417,773 | $6.67 | 41 |
| 2026 Q2 | 43,879,588 | $395,637,395 | -$8,531,828 | $9.02 | 199 |
| 2026 Q1 | 44,308,662 | $446,106,597 | -$7,293,670 | $10.07 | 196 |
| 2025 Q4 | 43,804,317 | $590,898,040 | -$2,733,401 | $13.49 | 191 |
| 2025 Q3 | 43,928,656 | $677,472,798 | -$20,616,503 | $15.42 | 190 |
| 2025 Q2 | 45,392,087 | $580,050,458 | +$1,176,661 | $12.78 | 183 |
| 2025 Q1 | 44,813,911 | $711,784,464 | -$2,908,851 | $15.89 | 201 |
| 2024 Q4 | 45,029,854 | $661,875,967 | -$60,271,494 | $14.70 | 186 |
| 2024 Q3 | 48,354,214 | $841,407,436 | +$10,330,441 | $17.39 | 168 |
| 2024 Q2 | 47,879,802 | $636,173,806 | +$13,482,596 | $13.29 | 173 |
| 2024 Q1 | 46,623,572 | $735,282,433 | -$29,800,229 | $15.79 | 188 |
| 2023 Q4 | 47,819,800 | $900,405,572 | +$10,094,712 | $18.84 | 190 |
| 2023 Q3 | 46,063,526 | $976,118,545 | +$33,569,554 | $21.21 | 179 |
| 2023 Q2 | 44,825,656 | $1,252,724,342 | +$5,874,717 | $27.95 | 185 |
| 2023 Q1 | 44,719,990 | $1,030,501,233 | +$9,620,585 | $23.05 | 175 |
| 2022 Q4 | 44,424,299 | $910,682,310 | +$36,823,812 | $20.49 | 173 |
| 2022 Q3 | 42,802,107 | $931,071,832 | +$21,942,449 | $21.74 | 171 |
| 2022 Q2 | 41,255,480 | $801,141,267 | +$70,815,330 | $19.42 | 159 |
| 2022 Q1 | 37,475,594 | $754,678,767 | +$54,949,235 | $20.14 | 163 |
| 2021 Q4 | 34,709,286 | $745,881,660 | +$84,629,828 | $21.49 | 158 |
| 2021 Q3 | 30,630,882 | $582,921,626 | +$28,802,558 | $19.03 | 149 |
| 2021 Q2 | 29,039,326 | $661,488,345 | +$57,422,450 | $22.78 | 154 |
| 2021 Q1 | 26,598,480 | $487,803,860 | +$41,201,790 | $18.34 | 137 |
| 2020 Q4 | 24,635,141 | $336,003,589 | +$31,481,124 | $13.64 | 110 |
| 2020 Q3 | 22,480,718 | $184,346,036 | -$1,339,728 | $8.20 | 110 |