Simplex Trading, LLC Energy Recovery, Inc. Transaction History

Simplex Trading, LLC

$175 Billion
Q2 2025

A detailed history of Simplex Trading, LLC transactions in Energy Recovery, Inc. stock. As of the latest transaction made, Simplex Trading, LLC holds 1,595 shares of ERII stock, worth $26,173. This represents 0.0% of its overall portfolio holdings.

Number of Shares

1,595

Previous 8,701 81.67%

Holding current value

$26,173

Previous $138,000 85.51%

% of portfolio

0.0%

Previous 0.0%

21 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q2 2025 Aug 05, 2025	SELL	$11.37 - $15.97 $80,795 - $113,482	-7,106 Reduced 81.67%	1,595 $20,000
Q1 2025 May 12, 2025	BUY	$14.06 - $16.83 $122,336 - $146,437	8,701 New	8,701 $138,000
Q2 2024 Jul 25, 2024	SELL	$12.37 - $15.87 $19,124 - $24,535	-1,546 Reduced 57.6%	1,138 $15,000
Q1 2024 Apr 25, 2024	BUY	$14.04 - $18.88 $32,221 - $43,329	2,295 Added 589.97%	2,684 $42,000
Q4 2023 Feb 02, 2024	SELL	$14.16 - $20.84 $6,329 - $9,315	-447 Reduced 53.47%	389 $7,000
Q3 2023 Nov 01, 2023	BUY	$20.68 - $30.61 $17,288 - $25,589	836 New	836 $17,000
Q2 2021 Aug 12, 2021	SELL	$16.76 - $22.78 $464,637 - $631,529	-27,723 Closed	0 $0
Q1 2021 Apr 26, 2021	SELL	$13.58 - $19.42 $34,887 - $49,889	-2,569 Reduced 8.48%	27,723 $0
Q4 2020 Feb 02, 2021	BUY	$8.33 - $13.75 $145,949 - $240,913	17,521 Added 137.19%	30,292 $413,000
Q3 2020 Oct 14, 2020	SELL	$6.85 - $8.96 $6,075 - $7,947	-887 Reduced 6.49%	12,771 $104,000
Q2 2020 Jul 13, 2020	SELL	$6.94 - $9.05 $92,482 - $120,600	-13,326 Reduced 49.38%	13,658 $103,000
Q1 2020 Apr 29, 2020	BUY	$6.5 - $11.02 $175,396 - $297,363	26,984 New	26,984 $200,000
Q3 2019 Oct 15, 2019	SELL	$8.73 - $11.73 $47,665 - $64,045	-5,460 Closed	0 $0
Q2 2019 Jul 26, 2019	SELL	$8.79 - $11.02 $193 - $242	-22 Reduced 0.4%	5,460 $56,000
Q1 2019 Apr 18, 2019	BUY	$6.77 - $9.1 $31,805 - $42,751	4,698 Added 599.23%	5,482 $0
Q4 2018 Jan 16, 2019	SELL	$6.38 - $9.24 $3,725 - $5,396	-584 Reduced 42.69%	784 $5,000
Q3 2018 Oct 23, 2018	BUY	$7.68 - $9.79 $10,506 - $13,392	1,368 New	1,368 $12,000
Q2 2018 Jul 30, 2018	SELL	$7.81 - $9.1 $17,502 - $20,393	-2,241 Closed	0 $0
Q1 2018 Apr 26, 2018	SELL	$6.63 - $9.09 $27,700 - $37,978	-4,178 Reduced 65.09%	2,241 $18,000
Q4 2017 Jan 10, 2018	SELL	$7.61 - $11.23 $395,651 - $583,858	-51,991 Reduced 89.01%	6,419 $56,000
Q3 2017 Oct 25, 2017	BUY	$6.18 - $7.9 $360,973 - $461,439	58,410	58,410 $461,000

Others Institutions Holding ERII

# of Institutions

202

Shares Held

43.6M

Call Options Held

84.7K

Put Options Held

64.4K

View Full List

About Energy Recovery, Inc.

Ticker ERII
Exchange NASDAQ
Sector Industrials
Industry Pollution & Treatment Controls
Shares Outstandng 55,787,100
Market Cap $915M
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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Simplex Trading, LLC Energy Recovery, Inc. Transaction History