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 | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q1 | – | Sell |
-10,400
| Closed | -$140K | – | 7924 |
|
|
2025
Q4 | $140K | Buy |
10,400
+3,600
| +53% | +$54.6K | ﹤0.01% | 4695 |
|
|
2025
Q3 | $105K | Sell |
6,800
-3,000
| -31% | -$42.3K | ﹤0.01% | 5303 |
|
|
2025
Q2 | $125K | Buy |
9,800
+1,900
| +24% | +$25.7K | ﹤0.01% | 4772 |
|
|
2025
Q1 | $126K | Buy |
7,900
+7,500
| +1,875% | +$114K | ﹤0.01% | 4426 |
|
|
2024
Q4 | $5.88K | Sell |
400
-10,700
| -96% | -$183K | ﹤0.01% | 6349 |
|
|
2024
Q3 | $193K | Buy |
11,100
+10,200
| +1,133% | +$161K | ﹤0.01% | 3650 |
|
|
2024
Q2 | $12K | Sell |
900
-20,100
| -96% | -$277K | ﹤0.01% | 5544 |
|
|
2024
Q1 | $332K | Buy |
21,000
+7,500
| +56% | +$119K | ﹤0.01% | 3125 |
|
|
2023
Q4 | $254K | Sell |
13,500
-121,700
| -90% | -$2.26M | ﹤0.01% | 3647 |
|
|
2023
Q3 | $2.87M | Buy |
135,200
+4,700
| +4% | +$125K | 0.01% | 1346 |
|
|
2023
Q2 | $3.65M | Buy |
130,500
+11,200
| +9% | +$279K | 0.01% | 1208 |
|
|
2023
Q1 | $2.75M | Buy |
119,300
+78,400
| +192% | +$1.72M | 0.01% | 1269 |
|
|
2022
Q4 | $838K | Buy |
40,900
+28,100
| +220% | +$615K | ﹤0.01% | 2587 |
|
|
2022
Q3 | $278K | Buy |
12,800
+11,200
| +700% | +$252K | ﹤0.01% | 3823 |
|
|
2022
Q2 | $31K | Sell |
1,600
-14,900
| -90% | -$289K | ﹤0.01% | 5951 |
|
|
2022
Q1 | $332K | Sell |
16,500
-39,800
| -71% | -$775K | ﹤0.01% | 4259 |
|
|
2021
Q4 | $1.21M | Sell |
56,300
-40,400
| -42% | -$845K | ﹤0.01% | 3154 |
|
|
2021
Q3 | $1.84M | Buy |
96,700
+12,500
| +15% | +$254K | ﹤0.01% | 2750 |
|
|
2021
Q2 | $1.92M | Sell |
84,200
-38,500
| -31% | -$759K | ﹤0.01% | 2698 |
|
|
2021
Q1 | $2.25M | Buy |
122,700
+71,000
| +137% | +$1.14M | ﹤0.01% | 2343 |
|
|
2020
Q4 | $705K | Buy |
51,700
+41,700
| +417% | +$445K | ﹤0.01% | 2958 |
|
|
2020
Q3 | $82K | Buy |
+10,000
| New | +$80.2K | ﹤0.01% | 4336 |
|
|
2020
Q1 | – | Sell |
-1,400
| Closed | -$14K | – | 5373 |
|
|
2019
Q4 | $14K | Buy |
1,400
+100
| +8% | +$921 | ﹤0.01% | 4482 |
|
|
2019
Q3 | $12K | Buy |
+1,300
| New | +$13.1K | ﹤0.01% | 4536 |
|
|
2019
Q1 | – | Sell |
-100
| Closed | -$1K | – | 4954 |
|
|
2018
Q4 | $1K | Sell |
100
-1,400
| -93% | -$11K | ﹤0.01% | 4718 |
|
|
2018
Q3 | $13K | Sell |
1,500
-35,800
| -96% | -$317K | ﹤0.01% | 4567 |
|
|
2018
Q2 | $301K | Buy |
37,300
+7,400
| +25% | +$62.4K | ﹤0.01% | 2719 |
|
|
2018
Q1 | $246K | Buy |
29,900
+10,600
| +55% | +$85.7K | ﹤0.01% | 2616 |
|
|
2017
Q4 | $169K | Sell |
19,300
-74,100
| -79% | -$676K | ﹤0.01% | 3030 |
|
|
2017
Q3 | $738K | Buy |
+93,400
| New | +$667K | 0.01% | 1786 |
|
|
2017
Q2 | – | Sell |
-2,300
| Closed | -$19K | – | 4829 |
|
|
2017
Q1 | $19K | Sell |
2,300
-19,000
| -89% | -$176K | ﹤0.01% | 3894 |
|
|
2016
Q4 | $220K | Buy |
21,300
+6,600
| +45% | +$79.3K | ﹤0.01% | 2364 |
|
|
2016
Q3 | $235K | Buy |
14,700
+2,800
| +24% | +$34.1K | ﹤0.01% | 2352 |
|
|
2016
Q2 | $106K | Sell |
11,900
-1,000
| -8% | -$10.7K | ﹤0.01% | 2825 |
|
|
2016
Q1 | $133K | Buy |
12,900
+3,800
| +42% | +$27.7K | ﹤0.01% | 2620 |
|
|
2015
Q4 | $64K | Buy |
+9,100
| New | +$57.4K | ﹤0.01% | 3271 |
|
|
2015
Q1 | – | Sell |
-200
| Closed | -$1K | – | 4878 |
|
|
2014
Q4 | $1K | Sell |
200
-4,000
| -95% | -$18.2K | ﹤0.01% | 4767 |
|
|
2014
Q3 | $15K | Sell |
4,200
-2,100
| -33% | -$9.17K | ﹤0.01% | 4260 |
|
|
2014
Q2 | $31K | Sell |
6,300
-14,100
| -69% | -$72.8K | ﹤0.01% | 3867 |
|
|
2014
Q1 | $109K | Buy |
20,400
+16,800
| +467% | +$82.7K | ﹤0.01% | 3000 |
|
|
2013
Q4 | $20K | Buy |
3,600
+1,600
| +80% | +$8.99K | ﹤0.01% | 4234 |
|
|
2013
Q3 | $14K | Buy |
2,000
+1,400
| +233% | +$7.28K | ﹤0.01% | 4357 |
|
|
2013
Q2 | $2K | Buy |
+600
| New | +$2.29K | ﹤0.01% | 4886 |
|
Other funds holding ERII
VCM
VPM
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.