What does CUSIP 29270J100 represent in this 13F holders report?

CUSIP 29270J100 is the security identifier for ERII - Energy Recovery, Inc. - Common Stock used to aggregate holder disclosures.

How many institutions held ERII - Energy Recovery, Inc. - Common Stock in Q1 2021?

137 institutional investors reported ERII - Energy Recovery, Inc. - Common Stock for Q1 2021. Use the holders table for investor-level position and value details.

Energy Recovery, Inc. - Common Stock (ERII)

CUSIP: 29270J100

Q1 2021 13F Holders as of 31 Mar 2021

Type / Class: Equity / Common Stock
Shares outstanding: 52,806,120
Total 13F shares: 26,598,480
Share change: +2,100,339
Total reported value: $487,803,860
Put/Call ratio: 59%
Price per share: $18.34
Number of holders: 137
Value change: +$41,201,790
Number of buys: 78
Number of sells: 43

Quarterly Holders Quick Answers

What is CUSIP 29270J100?
CUSIP 29270J100 identifies ERII - Energy Recovery, Inc. - Common Stock in SEC institutional holdings data.

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Explore More Reporting Periods

Jump to adjacent filing periods for faster comparison and easier crawl discovery.

Newer quarter: Q2 2021
Previous quarter: Q4 2020

Recent filing periods for CUSIP 29270J100:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Top shareholders of ERII - Energy Recovery, Inc. - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

Holder	Source	Role / Reporting	Ownership %	Shares	Holdings Value	12M Net Δ	As of	Details
Trigran Investments, Inc.	13F	Company	10%	5,540,420	$75,571,000	—	31 Dec 2020	13F
BlackRock Finance, Inc.	13F	Company	6.2%	3,266,530	$44,556,000	—	31 Dec 2020	13F
VANGUARD GROUP INC	13F	Company	4.3%	2,261,735	$30,851,000	—	31 Dec 2020	13F
AVENIR CORP	13F	Company	3%	1,570,863	$21,427,000	—	31 Dec 2020	13F
Bank of New York Mellon Corp	13F	Company	2.5%	1,326,995	$18,101,000	—	31 Dec 2020	13F
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	13F	Company	1.9%	1,004,266	$13,698,000	—	31 Dec 2020	13F
STATE STREET CORP	13F	Company	1.6%	849,658	$11,589,000	—	31 Dec 2020	13F
GEODE CAPITAL MANAGEMENT, LLC	13F	Company	1.2%	614,533	$8,382,000	—	31 Dec 2020	13F
Invesco Ltd.	13F	Company	0.99%	520,289	$7,097,000	—	31 Dec 2020	13F
683 Capital Management, LLC	13F	Company	0.98%	520,000	$7,093,000	—	31 Dec 2020	13F
SILVERCREST ASSET MANAGEMENT GROUP LLC	13F	Company	0.98%	516,564	$7,046,000	—	31 Dec 2020	13F
NORTHERN TRUST CORP	13F	Company	0.91%	480,523	$6,554,000	—	31 Dec 2020	13F
ESSEX INVESTMENT MANAGEMENT CO LLC	13F	Company	0.68%	360,964	$4,924,000	—	31 Dec 2020	13F
Portolan Capital Management, LLC	13F	Company	0.61%	323,076	$4,407,000	—	31 Dec 2020	13F
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	13F	Company	0.58%	307,547	$4,195,000	—	31 Dec 2020	13F
RAYMOND JAMES & ASSOCIATES	13F	Company	0.54%	283,613	$3,868,000	—	31 Dec 2020	13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	13F	Company	0.51%	270,615	$3,692,000	—	31 Dec 2020	13F
DnB Asset Management AS	13F	Company	0.5%	264,792	$3,611,763	—	31 Dec 2020	13F
MORGAN STANLEY	13F	Company	0.49%	258,908	$3,532,000	—	31 Dec 2020	13F
DIMENSIONAL FUND ADVISORS LP	13F	Company	0.47%	248,791	$3,393,000	—	31 Dec 2020	13F
Baird Financial Group, Inc.	13F	Company	0.38%	199,525	$2,722,000	—	31 Dec 2020	13F
RICE HALL JAMES & ASSOCIATES, LLC	13F	Company	0.37%	197,199	$2,690,000	—	31 Dec 2020	13F
LOS ANGELES CAPITAL MANAGEMENT LLC	13F	Company	0.34%	177,143	$2,416,000	—	31 Dec 2020	13F
Nuveen Asset Management, LLC	13F	Company	0.32%	168,375	$2,296,000	—	31 Dec 2020	13F
WELLINGTON MANAGEMENT GROUP LLP	13F	Company	0.3%	158,702	$2,165,000	—	31 Dec 2020	13F
Aperio Group, LLC	13F	Company	0.28%	149,185	$2,035,000	—	31 Dec 2020	13F
JPMORGAN CHASE & CO	13F	Company	0.26%	138,335	$1,886,000	—	31 Dec 2020	13F
Family Manage LLC	13F	Company	0.24%	124,500	$1,698,000	—	31 Dec 2020	13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP	13F	Company	0.21%	113,297	$1,545,000	—	31 Dec 2020	13F
WELLS FARGO & COMPANY/MN	13F	Company	0.19%	100,891	$1,376,000	—	31 Dec 2020	13F
FIRST TRUST ADVISORS LP	13F	Company	0.19%	97,724	$1,333,000	—	31 Dec 2020	13F
Handelsbanken Fonder AB	13F	Company	0.17%	90,000	$1,228,000	—	31 Dec 2020	13F
Swiss National Bank	13F	Company	0.17%	88,300	$1,204,000	—	31 Dec 2020	13F
GOLDMAN SACHS GROUP INC	13F	Company	0.17%	87,831	$1,198,000	—	31 Dec 2020	13F
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM	13F	Company	0.15%	81,700	$1,114,000	—	31 Dec 2020	13F
Monarch Partners Asset Management LLC	13F	Company	0.15%	78,924	$1,077,000	—	31 Dec 2020	13F
Zurcher Kantonalbank (Zurich Cantonalbank)	13F	Company	0.15%	77,401	$1,056,000	—	31 Dec 2020	13F
GABELLI FUNDS LLC	13F	Company	0.14%	74,000	$1,009,000	—	31 Dec 2020	13F
Investeringsforvaltning Handelsinvest	13F	Individual	0.13%	70,000	$955,000	—	31 Dec 2020	13F
Neuberger Berman Group LLC	13F	Company	0.12%	65,000	$887,000	—	31 Dec 2020	13F
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM	13F	Company	0.12%	60,767	$829,000	—	31 Dec 2020	13F
NJ State Employees Deferred Compensation Plan	13F	Company	0.11%	59,000	$805,000	—	31 Dec 2020	13F
VAN ECK ASSOCIATES CORP	13F	Company	0.11%	58,565	$799,000	—	31 Dec 2020	13F
Legal & General Group Plc	13F	Company	0.11%	58,411	$796,000	—	31 Dec 2020	13F
CREDIT SUISSE AG/	13F	Company	0.11%	56,014	$764,000	—	31 Dec 2020	13F
RHUMBLINE ADVISERS	13F	Company	0.1%	50,312	$686,000	—	31 Dec 2020	13F
ELKHORN PARTNERS LIMITED PARTNERSHIP	13F	Company	0.09%	49,433	$674,000	—	31 Dec 2020	13F
Manchester Capital Management LLC	13F	Company	0.09%	48,875	$667,000	—	31 Dec 2020	13F
ALLIANCEBERNSTEIN L.P.	13F	Company	0.09%	48,721	$665,000	—	31 Dec 2020	13F
DEUTSCHE BANK AG\	13F	Company	0.09%	47,522	$648,000	—	31 Dec 2020	13F

Institutional Holders of Energy Recovery, Inc. - Common Stock (ERII) as of Q1 2021

As of 31 Mar 2021, Energy Recovery, Inc. - Common Stock (ERII) was held by 137 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 26,598,480 shares. The largest 10 holders included Trigran Investments, Inc., BlackRock Inc., VANGUARD GROUP INC, AVENIR CORP, Bank of New York Mellon Corp, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC, STATE STREET CORP, GEODE CAPITAL MANAGEMENT, LLC, FIRST TRUST ADVISORS LP, and Invesco Ltd.. This page lists 137 institutional shareholders reporting positions in this security for the Q1 2021 filing period.

Investor	Option	Weight %	Change %	Value $	* Price	Shares	Share Change	Activity	Report Period

Compare Q1 2021 vs Q4 2020 Across Filers

Q4 2020 holders

110

Q1 2021 holders

137

Holder diff

Investor	Q4 2020 Shares	Q1 2021 Shares	Share Diff	Share Chg %	Q4 2020 Value $	Q1 2021 Value $	Value Diff $	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.