SUSQUEHANNA INTERNATIONAL GROUP, LLP

Holdings History for Energy Recovery, Inc. - COM (ERII)

Symbol: ERII on Nasdaq
Investment type: Equity - Shares of Stock
Class: COM

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Option	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
12/31/2024		0%	+0%	$452K	30.7K	+30,738	NEW	$14.70	Q4 2024
12/31/2024	call	0%	+0%	$470K	32K	+19,600	+158%	$14.70	Q4 2024
12/31/2024	put	0%	+0%	$241K	16.4K	+16,400	NEW	$14.70	Q4 2024
9/30/2024	call	0%	+0%	$216K	12.4K	+12,400	NEW	$17.39	Q3 2024
6/30/2024			0%	$0	0	-26,322	-100%		Q2 2024
3/31/2024		0%	0%	$416K	26.3K	-37,906	-59%	$15.79	Q1 2024
3/31/2024	call		0%	$0	0	-43,700	-100%		Q1 2024
12/31/2023		0%	+0%	$1.21M	64.2K	+48,455	+307%	$18.84	Q4 2023
12/31/2023	call	0%	+0%	$823K	43.7K	+10,700	+32.4%	$18.84	Q4 2023
12/31/2023	put		0%	$0	0	-19,100	-100%		Q4 2023
9/30/2023		0%	0%	$335K	15.8K	-4,468	-22.1%	$21.21	Q3 2023
9/30/2023	call	0%	+0%	$700K	33K	+18,000	+120%	$21.21	Q3 2023
9/30/2023	put	0%	+0%	$405K	19.1K	+19,100	NEW	$21.21	Q3 2023
6/30/2023		0%	0%	$566K	20.2K	-59,586	-74.6%	$27.95	Q2 2023
6/30/2023	call	0%	0%	$419K	15K	-13,600	-47.6%	$27.95	Q2 2023
3/31/2023		0%	+0%	$1.84M	79.8K	+43,821	+122%	$23.05	Q1 2023
3/31/2023	call	0%	0%	$659K	28.6K	-31,900	-52.7%	$23.05	Q1 2023
12/31/2022		0%	+0%	$738K	36K	+19,530	+119%	$20.49	Q4 2022
12/31/2022	call	0%	0%	$1.24M	60.5K	-64,700	-51.7%	$20.49	Q4 2022
9/30/2022		0%	0%	$358K	16.5K	-79,977	-82.9%	$21.73	Q3 2022
9/30/2022	call	0%	+0%	$2.72M	125K	+125,200	NEW	$21.74	Q3 2022
6/30/2022		0%	+0%	$1.87M	96.5K	+5,375	+5.9%	$19.42	Q2 2022
6/30/2022	call		0%	$0	0	-95,400	-100%		Q2 2022
3/31/2022		0%	0%	$1.83M	91.1K	-11,563	-11.3%	$20.14	Q1 2022
3/31/2022	call	0%	+0%	$1.92M	95.4K	+95,400	NEW	$20.14	Q1 2022
3/31/2022	put		0%	$0	0	-28,100	-100%		Q1 2022
12/31/2021		0%	+0%	$2.21M	103K	+48,901	+91%	$21.49	Q4 2021
12/31/2021	call		0%	$0	0	-196,500	-100%		Q4 2021
12/31/2021	put	0%	0%	$604K	28.1K	-9,600	-25.5%	$21.49	Q4 2021
9/30/2021		0%	0%	$1.02M	53.7K	-180,692	-77.1%	$19.04	Q3 2021
9/30/2021	call	0%	+0%	$3.74M	197K	+174,200	+781%	$19.03	Q3 2021
9/30/2021	put	0%	+0%	$717K	37.7K	+15,200	+67.6%	$19.02	Q3 2021
6/30/2021		0.01%	0%	$5.34M	234K	-160,066	-40.6%	$22.78	Q2 2021
6/30/2021	call	0%	0%	$508K	22.3K	-3,200	-12.5%	$22.78	Q2 2021
6/30/2021	put	0%	+0%	$513K	22.5K	+22,500	NEW	$22.80	Q2 2021
3/31/2021		0.01%	+0.01%	$7.24M	394K	+281,201	+248%	$18.34	Q1 2021
3/31/2021	call	0%	0%	$468K	25.5K	-3,900	-13.3%	$18.35	Q1 2021
12/31/2020		0%	+0%	$1.55M	113K	+94,370	+499%	$13.64	Q4 2020
12/31/2020	call	0%	+0%	$401K	29.4K	+19,100	+185%	$13.64	Q4 2020
9/30/2020		0%	0%	$155K	18.9K	-156,203	-89.2%	$8.19	Q3 2020
9/30/2020	call	0%	0%	$84K	10.3K	-22,200	-68.3%	$8.16	Q3 2020
9/30/2020	put		0%	$0	0	-30,300	-100%		Q3 2020
6/30/2020		0%	+0%	$1.33M	175K	+124,130	+243%	$7.59	Q2 2020
6/30/2020	call	0%	+0%	$247K	32.5K	+7,900	+32.1%	$7.60	Q2 2020
6/30/2020	put	0%	0%	$230K	30.3K	-27,800	-47.8%	$7.59	Q2 2020
3/31/2020		0%	+0%	$379K	51K	+39,152	+330%	$7.43	Q1 2020
3/31/2020	call	0%	0%	$183K	24.6K	-9,500	-27.9%	$7.44	Q1 2020
3/31/2020	put	0%	0%	$432K	58.1K	-900	-1.53%	$7.44	Q1 2020
12/31/2019		0%	0%	$116K	11.8K	-11,498	-49.3%	$9.79	Q4 2019
12/31/2019	call	0%	0%	$334K	34.1K	-78,900	-69.8%	$9.79	Q4 2019

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Showing 1 to 50 of 117 entries

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.