Group One Trading’s Energy Recovery ERII Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q4
Sell
-1,400
Closed -$21.6K 8396
2025
Q3
$21.6K Sell
1,400
-1,800
-56% -$25.4K ﹤0.01% 6643
2025
Q2
$40.9K Buy
3,200
+500
+19% +$6.78K ﹤0.01% 5737
2025
Q1
$42.9K Buy
+2,700
New +$41.1K ﹤0.01% 5276
2024
Q4
Sell
-300
Closed -$5.22K 7447
2024
Q3
$5.22K Buy
+300
New +$4.73K ﹤0.01% 5866
2024
Q1
Sell
-7,900
Closed -$149K 7270
2023
Q4
$149K Buy
+7,900
New +$147K ﹤0.01% 4131
2022
Q4
Sell
-200
Closed -$4K 7455
2022
Q3
$4K Buy
200
+100
+100% +$2.25K ﹤0.01% 6911
2022
Q2
$2K Sell
100
-700
-88% -$13.6K ﹤0.01% 7395
2022
Q1
$16K Sell
800
-22,700
-97% -$442K ﹤0.01% 6902
2021
Q4
$505K Sell
23,500
-7,300
-24% -$153K ﹤0.01% 4123
2021
Q3
$586K Sell
30,800
-50,200
-62% -$1.02M ﹤0.01% 4009
2021
Q2
$1.84M Buy
81,000
+30,500
+60% +$601K ﹤0.01% 2743
2021
Q1
$926K Buy
+50,500
New +$809K ﹤0.01% 3330
2020
Q2
Sell
-14,900
Closed -$111K 5871
2020
Q1
$111K Buy
+14,900
New +$141K ﹤0.01% 3214
2019
Q3
Sell
-1,000
Closed -$10K 5250
2019
Q2
$10K Sell
1,000
-2,000
-67% -$19.7K ﹤0.01% 4412
2019
Q1
$26K Buy
+3,000
New +$23.9K ﹤0.01% 3909
2018
Q4
Sell
-8,600
Closed -$77K 4993
2018
Q3
$77K Sell
8,600
-22,100
-72% -$195K ﹤0.01% 3700
2018
Q2
$248K Buy
30,700
+2,000
+7% +$16.9K ﹤0.01% 2889
2018
Q1
$236K Sell
28,700
-68,300
-70% -$552K ﹤0.01% 2656
2017
Q4
$849K Buy
97,000
+82,000
+547% +$748K 0.01% 1851
2017
Q3
$119K Buy
15,000
+14,800
+7,400% +$106K ﹤0.01% 3121
2017
Q2
$2K Sell
200
-20,900
-99% -$167K ﹤0.01% 4561
2017
Q1
$176K Buy
+21,100
New +$196K ﹤0.01% 2609
2016
Q4
Sell
-5,200
Closed -$83K 4512
2016
Q3
$83K Sell
5,200
-35,600
-87% -$433K ﹤0.01% 3049
2016
Q2
$363K Buy
40,800
+39,000
+2,167% +$416K ﹤0.01% 1968
2016
Q1
$19K Buy
1,800
+1,700
+1,700% +$12.4K ﹤0.01% 3770
2015
Q4
$1K Sell
100
-300
-75% -$1.89K ﹤0.01% 4599
2015
Q3
$1K Buy
+400
New +$1.04K ﹤0.01% 4755
2015
Q2
Sell
-2,200
Closed -$6K 4924
2015
Q1
$6K Sell
2,200
-1,200
-35% -$4.13K ﹤0.01% 4303
2014
Q4
$18K Buy
3,400
+300
+10% +$1.36K ﹤0.01% 4000
2014
Q3
$11K Sell
3,100
-6,700
-68% -$29.3K ﹤0.01% 4416
2014
Q2
$48K Buy
9,800
+9,500
+3,167% +$49K ﹤0.01% 3566
2014
Q1
$2K Buy
300
+100
+50% +$492 ﹤0.01% 4991
2013
Q4
$1K Hold
200
﹤0.01% 5133
2013
Q3
$1K Sell
200
-800
-80% -$4.16K ﹤0.01% 5027
2013
Q2
$4K Buy
+1,000
New +$3.81K ﹤0.01% 4739

Other funds holding ERII

Group One Trading's ERII Position: Q1 2026 in Review

Group One Trading opened a new position in Energy Recovery (ERII) in Q1 2026: 4,031 shares worth $40.6K. The stake represents ﹤0.01% of the portfolio and ranks #5424 among its holdings. This is a return to the name: Group One Trading previously reported a position in ERII as recently as Q1 2025.

Group One Trading first reported a position in ERII in Q2 2013 and has held it in 23 quarters since. The position peaked at $1.11M in Q4 2017. 197 funds tracked by Wall St. Rank hold ERII as of Q1 2026.

  • Group One Trading held 4,031 shares of Energy Recovery worth $40.6K as of Q1 2026.
  • Energy Recovery was a new Group One Trading position in Q1 2026.
  • Energy Recovery made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5424 holding.
  • Group One Trading first reported a position in Energy Recovery in Q2 2013 and has held it in 23 quarters since.
  • Group One Trading's Energy Recovery position peaked at $1.11M in Q4 2017.
  • 197 funds tracked by Wall St. Rank held Energy Recovery as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.