Pdt Partners, LLC Energy Recovery, Inc. Transaction History

Pdt Partners, LLC

$1.45 Billion
Q3 2025

A detailed history of Pdt Partners, LLC transactions in Energy Recovery, Inc. stock. As of the latest transaction made, Pdt Partners, LLC holds 12,400 shares of ERII stock, worth $180,420. This represents 0.01% of its overall portfolio holdings.

Number of Shares

12,400

Previous 12,405 0.04%

Holding current value

$180,420

Previous $158,000 20.89%

% of portfolio

0.01%

Previous 0.01%

19 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$12.72 - $15.42 $63 - $77	-5 Reduced 0.04%	12,400 $191,000
Q2 2025 Aug 14, 2025	BUY	$11.37 - $15.97 $141,044 - $198,107	12,405 New	12,405 $158,000
Q3 2022 Nov 14, 2022	SELL	$19.04 - $26.02 $449,572 - $614,384	-23,612 Reduced 46.29%	27,402 $596,000
Q2 2022 Aug 15, 2022	SELL	$17.16 - $21.57 $94,139 - $118,333	-5,486 Reduced 9.71%	51,014 $991,000
Q1 2022 May 16, 2022	BUY	$18.4 - $21.78 $101,089 - $119,659	5,494 Added 10.77%	56,500 $1.14 Million
Q4 2021 Feb 14, 2022	BUY	$18.85 - $24.18 $113 - $145	6 Added 0.01%	51,006 $1.1 Million
Q2 2021 Aug 16, 2021	BUY	$16.76 - $22.78 $514,062 - $698,708	30,672 Added 150.89%	51,000 $1.16 Million
Q1 2021 May 17, 2021	SELL	$13.58 - $19.42 $113,759 - $162,681	-8,377 Reduced 29.18%	20,328 $373,000
Q4 2020 Feb 16, 2021	BUY	$8.33 - $13.75 $35,694 - $58,918	4,285 Added 17.55%	28,705 $392,000
Q3 2020 Nov 16, 2020	SELL	$6.85 - $8.96 $54,663 - $71,500	-7,980 Reduced 24.63%	24,420 $200,000
Q2 2020 Aug 14, 2020	BUY	$6.94 - $9.05 $97,160 - $126,700	14,000 Added 76.09%	32,400 $246,000
Q1 2020 May 15, 2020	SELL	$6.5 - $11.02 $27,300 - $46,284	-4,200 Reduced 18.58%	18,400 $137,000
Q4 2019 Feb 14, 2020	SELL	$8.46 - $9.99 $39,440 - $46,573	-4,662 Reduced 17.1%	22,600 $221,000
Q3 2019 Nov 14, 2019	BUY	$8.73 - $11.73 $62,524 - $84,010	7,162 Added 35.63%	27,262 $253,000
Q2 2019 Aug 14, 2019	SELL	$8.79 - $11.02 $37,796 - $47,386	-4,300 Reduced 17.62%	20,100 $209,000
Q1 2019 May 15, 2019	SELL	$6.77 - $9.1 $60,422 - $81,217	-8,925 Reduced 26.78%	24,400 $213,000
Q4 2018 Feb 14, 2019	SELL	$6.38 - $9.24 $2,469 - $3,575	-387 Reduced 1.15%	33,325 $224,000
Q3 2018 Nov 14, 2018	SELL	$7.68 - $9.79 $56,724 - $72,308	-7,386 Reduced 17.97%	33,712 $302,000
Q2 2018 Aug 14, 2018	BUY	$7.81 - $9.1 $320,975 - $373,991	41,098 New	41,098 $332,000

Others Institutions Holding ERII

# of Institutions

205

Shares Held

43.6M

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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