Citadel Advisors’s Middlesex Water MSEX Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$1.7M Buy
32,715
+18,828
+136% +$991K ﹤0.01% 6441
2025
Q4
$700K Buy
13,887
+1,064
+8% +$57.2K ﹤0.01% 8211
2025
Q3
$694K Buy
12,823
+5,759
+82% +$308K ﹤0.01% 8359
2025
Q2
$383K Sell
7,064
-12,354
-64% -$731K ﹤0.01% 9243
2025
Q1
$1.24M Sell
19,418
-7,745
-29% -$421K ﹤0.01% 6480
2024
Q4
$1.43M Buy
27,163
+4,656
+21% +$292K ﹤0.01% 6324
2024
Q3
$1.47M Sell
22,507
-16,054
-42% -$995K ﹤0.01% 6099
2024
Q2
$2.02M Buy
38,561
+2,273
+6% +$118K ﹤0.01% 5298
2024
Q1
$1.91M Buy
36,288
+13,279
+58% +$735K ﹤0.01% 5621
2023
Q4
$1.51M Buy
23,009
+15,734
+216% +$1.04M ﹤0.01% 5874
2023
Q3
$482K Sell
7,275
-33,858
-82% -$2.61M ﹤0.01% 8135
2023
Q2
$3.32M Sell
41,133
-12,733
-24% -$997K ﹤0.01% 4290
2023
Q1
$4.21M Sell
53,866
-20,294
-27% -$1.64M ﹤0.01% 4087
2022
Q4
$5.83M Buy
74,160
+62,681
+546% +$5.44M ﹤0.01% 3604
2022
Q3
$886K Buy
11,479
+7,767
+209% +$695K ﹤0.01% 7251
2022
Q2
$326K Buy
+3,712
New +$333K ﹤0.01% 9620
2021
Q3
Sell
-15,792
Closed -$1.62M 14355
2021
Q2
$1.29M Sell
15,792
-27,206
-63% -$2.25M ﹤0.01% 7680
2021
Q1
$3.4M Buy
42,998
+36,192
+532% +$2.74M ﹤0.01% 5146
2020
Q4
$493K Buy
6,806
+1,064
+19% +$73.6K ﹤0.01% 8175
2020
Q3
$357K Sell
5,742
-2,660
-32% -$172K ﹤0.01% 7848
2020
Q2
$564K Sell
8,402
-48,291
-85% -$3.06M ﹤0.01% 6860
2020
Q1
$3.41M Buy
56,693
+43,432
+328% +$2.75M ﹤0.01% 3260
2019
Q4
$843K Buy
13,261
+770
+6% +$48.8K ﹤0.01% 5914
2019
Q3
$811K Sell
12,491
-8,280
-40% -$504K ﹤0.01% 5952
2019
Q2
$1.23M Buy
+20,771
New +$1.21M ﹤0.01% 5359
2019
Q1
Sell
-6,540
Closed -$369K 9654
2018
Q4
$349K Buy
+6,540
New +$322K ﹤0.01% 7003
2018
Q3
Sell
-14,817
Closed -$676K 9527
2018
Q2
$625K Buy
+14,817
New +$614K ﹤0.01% 6007
2015
Q4
Sell
-11,830
Closed -$282K 9007
2015
Q3
$282K Buy
+11,830
New +$271K ﹤0.01% 5660

Other funds holding MSEX

Citadel Advisors's MSEX Position: Q1 2026 in Review

Citadel Advisors increased its Middlesex Water (MSEX) stake by 136% in Q1 2026, buying an estimated $991K and bringing the position to 32,715 shares worth $1.7M. The position accounts for ﹤0.01% of the portfolio, ranked #6441.

Citadel Advisors first reported a position in MSEX in Q3 2015 and has held it in 28 quarters since. The position peaked at $5.83M in Q4 2022. 219 funds tracked by Wall St. Rank hold MSEX as of Q1 2026.

  • Citadel Advisors held 32,715 shares of Middlesex Water worth $1.7M as of Q1 2026.
  • Citadel Advisors bought 18,828 Middlesex Water shares in Q1 2026, an estimated $991K.
  • Middlesex Water made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #6441 holding.
  • Citadel Advisors first reported a position in Middlesex Water in Q3 2015 and has held it in 28 quarters since.
  • Citadel Advisors's Middlesex Water position peaked at $5.83M in Q4 2022.
  • 219 funds tracked by Wall St. Rank held Middlesex Water as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.