Millennium Management’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
$3.25M Buy
322,341
+127,809
+66% +$1.67M ﹤0.01% 3397
2025
Q4
$2.62M Buy
194,532
+66,457
+52% +$1.01M ﹤0.01% 3704
2025
Q3
$1.97M Buy
128,075
+31,250
+32% +$441K ﹤0.01% 4073
2025
Q2
$1.24M Sell
96,825
-79,661
-45% -$1.08M ﹤0.01% 4250
2025
Q1
$2.8M Buy
176,486
+42,445
+32% +$646K ﹤0.01% 3457
2024
Q4
$1.97M Buy
+134,041
New +$2.29M ﹤0.01% 3660
2024
Q3
Sell
-356,595
Closed -$4.74M 6186
2024
Q2
$4.74M Buy
356,595
+201,770
+130% +$2.78M ﹤0.01% 2778
2024
Q1
$2.44M Sell
154,825
-285,797
-65% -$4.55M ﹤0.01% 3551
2023
Q4
$8.3M Buy
440,622
+427,157
+3,172% +$7.93M ﹤0.01% 2346
2023
Q3
$286K Buy
+13,465
New +$359K ﹤0.01% 4954
2023
Q1
Sell
-65,516
Closed -$1.34M 6484
2022
Q4
$1.34M Buy
+65,516
New +$1.43M ﹤0.01% 3884
2022
Q3
Sell
-153,415
Closed -$2.98M 7171
2022
Q2
$2.98M Sell
153,415
-357,544
-70% -$6.93M ﹤0.01% 3312
2022
Q1
$10.3M Buy
+510,959
New +$9.95M 0.01% 2136
2021
Q4
Sell
-32,041
Closed -$610K 6949
2021
Q3
$610K Buy
+32,041
New +$651K ﹤0.01% 5167
2021
Q2
Sell
-25,075
Closed -$460K 6653
2021
Q1
$460K Buy
+25,075
New +$401K ﹤0.01% 4894
2020
Q3
Sell
-31,123
Closed -$236K 4550
2020
Q2
$236K Buy
+31,123
New +$246K ﹤0.01% 3767
2019
Q3
Sell
-62,856
Closed -$655K 4268
2019
Q2
$655K Sell
62,856
-30,524
-33% -$300K ﹤0.01% 3059
2019
Q1
$815K Sell
93,380
-14,889
-14% -$119K ﹤0.01% 2989
2018
Q4
$729K Sell
108,269
-134,514
-55% -$1.06M ﹤0.01% 2750
2018
Q3
$2.17M Buy
242,783
+113,902
+88% +$1.01M ﹤0.01% 2381
2018
Q2
$1.04M Buy
+128,881
New +$1.09M ﹤0.01% 2813
2018
Q1
Sell
-51,099
Closed -$447K 3745
2017
Q4
$447K Sell
51,099
-1,156,887
-96% -$10.5M ﹤0.01% 3147
2017
Q3
$9.54M Sell
1,207,986
-553,475
-31% -$3.95M 0.01% 1282
2017
Q2
$14.6M Buy
1,761,461
+986,561
+127% +$7.9M 0.03% 834
2017
Q1
$6.45M Sell
774,900
-126,018
-14% -$1.17M 0.01% 1300
2016
Q4
$9.32M Buy
900,918
+477,119
+113% +$5.73M 0.02% 967
2016
Q3
$6.77M Sell
423,799
-505,734
-54% -$6.15M 0.01% 1152
2016
Q2
$8.26M Buy
929,533
+793,069
+581% +$8.46M 0.02% 971
2016
Q1
$1.41M Sell
136,464
-14,111
-9% -$103K ﹤0.01% 1994
2015
Q4
$1.06M Buy
150,575
+51,525
+52% +$325K ﹤0.01% 2274
2015
Q3
$212K Buy
99,050
+8,150
+9% +$21.1K ﹤0.01% 3088
2015
Q2
$249K Buy
90,900
+68,718
+310% +$201K ﹤0.01% 2962
2015
Q1
$57K Buy
22,182
+9,145
+70% +$31.4K ﹤0.01% 3456
2014
Q4
$69K Buy
13,037
+1,387
+12% +$6.29K ﹤0.01% 3808
2014
Q3
$41K Sell
11,650
-2,614
-18% -$11.4K ﹤0.01% 3611
2014
Q2
$70K Sell
14,264
-72,477
-84% -$374K ﹤0.01% 3285
2014
Q1
$461K Buy
+86,741
New +$427K ﹤0.01% 2668

Other funds holding ERII

Millennium Management's ERII Position: Q1 2026 in Review

Millennium Management increased its Energy Recovery (ERII) stake by 66% in Q1 2026, buying an estimated $1.67M and bringing the position to 322,341 shares worth $3.25M. The position accounts for ﹤0.01% of the portfolio, ranked #3397.

Millennium Management first reported a position in ERII in Q1 2014 and has held it in 37 quarters since. The position peaked at $14.6M in Q2 2017. 197 funds tracked by Wall St. Rank hold ERII as of Q1 2026.

  • Millennium Management held 322,341 shares of Energy Recovery worth $3.25M as of Q1 2026.
  • Millennium Management bought 127,809 Energy Recovery shares in Q1 2026, an estimated $1.67M.
  • Energy Recovery made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #3397 holding.
  • Millennium Management first reported a position in Energy Recovery in Q1 2014 and has held it in 37 quarters since.
  • Millennium Management's Energy Recovery position peaked at $14.6M in Q2 2017.
  • 197 funds tracked by Wall St. Rank held Energy Recovery as of Q1 2026.

Based on Millennium Management's 13F filing for Q1 2026, filed 15 May 2026.