ENERGY RECOVERY INC (ERII) is held by 115 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling ERII?

In Q1 2026, 65 institutions opened or increased positions in ENERGY RECOVERY INC while 53 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ERII?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ENERGY RECOVERY INC.

How many hedge funds hold ERII?

115 institutional investors report holding ENERGY RECOVERY INC (ERII) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ERII?

As of Q1 2026, tracked institutions in ENERGY RECOVERY INC show 65 buyers versus 53 sellers — net inflows.

ENERGY RECOVERY INC

ERII·29270J100·US·Common Stock·Industrials - Pollution & Treatment Controls-13D/G

115

Holders

Avg rating(21 Elite)

$383M

Total Value

55% (126)

Fund Consensus

65 buying - 53 selling

Smart Money Verdict

View all

Held by 115 funds

21 elite

Who's Trading

Activist

AMUNDI7.1%Apr 10, 2026

Activist

Ameriprise Financial, Inc.10.0%Apr 8, 2026

InsiderHAHanstveit ArveSell $25KApr 6, 2026

InsiderHAHanstveit ArveSell $1.7MApr 2, 2026

Activist

The Vanguard Group0.0%Mar 26, 2026

InsiderHAHanstveit ArveSell $274KMar 10, 2026

InsiderHAHanstveit ArveSell $123KMar 6, 2026

InsiderHAHanstveit ArveSell $411KMar 5, 2026

InsiderRNRamanan NatarajanSell $3KMar 5, 2026

InsiderCRClemente RodneySell $218KMar 4, 2026

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	6.1M(-3.9%)	$61.3M	0.0%	-40.58%	0
AMERIPRISE FINANCIAL INC	Increased	5.3M(+15.3%)	$53M	0.0%	-42.10%	34
Amundi	Increased	3.7M(+31.2%)	$37.6M	0.0%	-36.07%	37
VAVANGUARD CAPITAL MANAGEMENT LLC	New	2.2M	$22.5M	0.0%	-14.58%	39
FIL Ltd	Decreased	2M(-0.3%)	$20M	0.0%	-55.98%	0
Legal & General Group Plc	Increased	1.9M(+41.6%)	$19.2M	0.0%	-40.40%	38
STATE STREET CORP	Increased	1.8M(+0.5%)	$17.9M	0.0%	-49.86%	28
GEODE CAPITAL MANAGEMENT, LLC	Increased	1.3M(+2.7%)	$13M	0.0%	-40.50%	29
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.3M	$12.7M	0.0%	-14.58%	39
DIMENSIONAL FUND ADVISORS LP	Decreased	877,431(-7.6%)	$8.8M	0.0%	-56.03%	0
Invesco Ltd.	Increased	826,296(+10.8%)	$8.3M	0.0%	-44.58%	30
MORGAN STANLEY	Decreased	792,691(-18.6%)	$8M	0.0%	-36.03%	0
DIAMOND HILL CAPITAL MANAGEMENT INC	Decreased	673,035(-24.2%)	$6.8M	0.0%	-54.78%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	514,102(+47.6%)	$5.2M	0.0%	-34.78%	37
ROYCE & ASSOCIATES LP	Increased	483,018(+45.4%)	$4.9M	0.0%	-36.24%	37
GOLDMAN SACHS GROUP INC	Decreased	468,535(-22.8%)	$4.7M	0.0%	-40.64%	0
Swiss Life Asset Management Ltd	Increased	457,783(+5.5%)	$4.6M	0.0%	-34.21%	28
NORTHERN TRUST CORP	Increased	450,437(+2.8%)	$4.5M	0.0%	-28.66%	28
CITADEL ADVISORS LLC	Increased	449,436(+7.4%)	$4.5M	0.0%	-40.43%	29
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Decreased	431,288(-3.0%)	$4.3M	0.0%	-34.96%	0