Marshall Wace, LLP Energy Recovery, Inc. Transaction History

Marshall Wace, LLP

$90.8 Billion
Q3 2025

A detailed history of Marshall Wace, LLP transactions in Energy Recovery, Inc. stock. As of the latest transaction made, Marshall Wace, LLP holds 239,389 shares of ERII stock, worth $3.48 Million. This represents 0.0% of its overall portfolio holdings.

Number of Shares

239,389

Previous 50,214 376.74%

Holding current value

$3.48 Million

Previous $641,000 475.82%

% of portfolio

0.0%

Previous 0.0%

16 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 13, 2025	BUY	$12.72 - $15.42 $2.41 Million - $2.92 Million	189,175 Added 376.74%	239,389 $3.69 Million
Q2 2025 Aug 13, 2025	BUY	$11.37 - $15.97 $33,314 - $46,792	2,930 Added 6.2%	50,214 $641,000
Q1 2025 May 15, 2025	SELL	$14.06 - $16.83 $1.83 Million - $2.19 Million	-130,346 Reduced 73.38%	47,284 $751,000
Q4 2024 Feb 13, 2025	BUY	$14.66 - $19.93 $2.6 Million - $3.54 Million	177,630 New	177,630 $2.61 Million
Q1 2024 May 15, 2024	BUY	$14.04 - $18.88 $1.72 Million - $2.32 Million	122,799 New	122,799 $1.94 Million

Q1 2023 May 15, 2023	BUY	$19.8 - $23.89 $2.03 Million - $2.45 Million	102,452 Added 525.88%	121,934 $2.81 Million
Q4 2022 Feb 14, 2023	SELL	$17.65 - $26.17 $482,162 - $714,912	-27,318 Reduced 58.37%	19,482 $399,000
Q3 2022 Nov 14, 2022	SELL	$19.04 - $26.02 $282,610 - $386,214	-14,843 Reduced 24.08%	46,800 $1.02 Million
Q2 2022 Aug 15, 2022	BUY	$17.16 - $21.57 $696,490 - $875,483	40,588 Added 192.77%	61,643 $1.2 Million
Q1 2022 May 16, 2022	BUY	$18.4 - $21.78 $387,411 - $458,577	21,055 New	21,055 $424,000
Q4 2021 Feb 14, 2022	SELL	$18.85 - $24.18 $2.94 Million - $3.78 Million	-156,218 Closed	0 $0
Q3 2021 Nov 15, 2021	BUY	$18.59 - $23.03 $976,700 - $1.21 Million	52,539 Added 50.67%	156,218 $2.97 Million
Q2 2021 Aug 13, 2021	BUY	$16.76 - $22.78 $1.03 Million - $1.4 Million	61,430 Added 145.4%	103,679 $2.36 Million
Q1 2021 May 17, 2021	BUY	$13.58 - $19.42 $573,741 - $820,475	42,249 New	42,249 $775,000
Q2 2019 Aug 14, 2019	SELL	$8.79 - $11.02 $309,645 - $388,201	-35,227 Closed	0 $0
Q1 2019 May 14, 2019	BUY	$6.77 - $9.1 $238,486 - $320,565	35,227 New	35,227 $308,000

Others Institutions Holding ERII

# of Institutions

204

Shares Held

44M

Call Options Held

95.7K

Put Options Held

61.3K

View Full List

About Energy Recovery, Inc.

Ticker ERII
Exchange NASDAQ
Sector Industrials
Industry Pollution & Treatment Controls
Shares Outstandng 55,787,100
Market Cap $812M
Description
Energy Recovery, Inc., together with its subsidiaries, designs, manufactures, and sells various solutions for the seawater reverse osmosis desalination and industrial wastewater treatment industries worldwide. The company operates through Water and Emerging Technologies segments. It offers a suite of products, including energy recovery devices, ...

More about ERII

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Marshall Wace, LLP Energy Recovery, Inc. Transaction History