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ERIIERII
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Position history for MWMARSHALL WACE, LLP's holdings in ENERGY RECOVERY INC

MARSHALL WACE, LLP holds 677,248 shares of ERII (ENERGY RECOVERY INC), worth $6.1M as of 2026-Q2. The position was increased (+537.1% shares). ERII represents 0.0% of MARSHALL WACE, LLP's portfolio.

Current Value

$6.1M

Current Shares

677,248

Total Value Change

+$3.5M

Total Shares Change

+499,618

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
677,248
+537.1%
$6.1M0.0%$9.02
44
2026-Q1
Decreased
106,297
-2.8%
$1.1M0.0%$10.22
0
2025-Q4
Decreased
109,390
-54.3%
$1.5M0.0%$13.48
0
2025-Q3
Increased
239,389
+376.7%
$3.7M0.0%$15.35
43
2025-Q2
Increased
50,214
+6.2%
$641,7350.0%$12.62
26
2025-Q1
Decreased
47,284
-73.4%
$751,3410.0%$15.95
0
2024-Q4
New
177,630
-
$2.6M0.0%$14.72
36

Other major holders of ERII: BNP PARIBAS FINANCIAL MARKETS, BlackRock, Inc., BlackRock Finance, Inc.

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